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Ball A, Hadland S, Rodean J, Hall M, Mendoza J, Ahrens K. Trends in Substance-Related Visits Among Youth to US Children's Hospitals, 2016-2021: An Analysis of the Pediatric Health Information System Database. J Adolesc Health 2024; 75:76-84. [PMID: 38530681 DOI: 10.1016/j.jadohealth.2024.02.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 02/06/2024] [Accepted: 02/08/2024] [Indexed: 03/28/2024]
Abstract
PURPOSE This study evaluates recent trends in substance-related visits among youth visiting children's hospitals. METHODS We conducted a cross-sectional study of substance-related visits to pediatric hospitals within the Pediatric Health Information System database of youth aged 12-21 years from 2016 through 2021. Substance-related visits were defined as acute visits for International Classification of Diseases, 10th Revision Clinical Modification codes related to substance 'use', dependence, or overdoses for alcohol, cannabis, nicotine, opioids, sedatives, stimulants, hallucinogens, or other substances. Cumulative growth rate and stratified substance-related trends were calculated using generalized estimating equations. Predicted number of visits during the COVID-19 pandemic was generated using an auto-regressive time series analysis. RESULTS There were 106,793 substance-related visits involving 84,632 youth. From 2016 to 2021, substance-related visits increased by 47.9% and increased across all ages, demographics, regions, and payors. Visits of Hispanic youth experienced the greatest percentage growth (63.3%, p < .05) when compared to Non-Hispanic (NH) White (46.2%) or NH Black (49.8%) youth. All substances except sedatives experienced an increase in growth in visits. Cannabis accounted for the largest percentage of visits (52.2%) and experienced the greatest percentage growth during the study period (82.4%, p < .001). During the pandemic, publicly insured, female, NH Black, and Hispanic youth experienced a greater-than-predicted number of substance-related visits. DISCUSSION Substance-related visits to children's hospitals are increasing for all demographics and nearly all substances. There were substantial increases in visits for most minoritized youth with a disproportionate rise among Hispanic youth. Visits over the pandemic were concentrated among publicly insured, female, NH Black, and Hispanic youth. Equitable large-scale investment is needed to address the rising morbidity of substance use among adolescents.
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Affiliation(s)
- Alexis Ball
- Division of General Pediatrics, Department of Pediatrics, University of Washington, Seattle, Washington.
| | - Scott Hadland
- Division of Adolescent and Young Adult Medicine, Department of Pediatrics, Mass General Hospital/Harvard Medical School, Boston, Massachusetts
| | | | - Matt Hall
- Children's Hospital Association, Lenexa, Kansas
| | - Jason Mendoza
- Division of General Pediatrics, Department of Pediatrics, University of Washington, Seattle, Washington; Cancer Prevention Program, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Kym Ahrens
- Division of Adolescent Medicine, Department of Pediatrics, Seattle Children's Hospital/University of Washington, Seattle, Washington
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Walsh PS, Dupont AS, Lipshaw MJ, Visotcky A, Thomas DG. Cannabis Legalization and Resource Use for Ingestions by Young Children. Pediatrics 2024; 153:e2024065881. [PMID: 38690624 PMCID: PMC11153323 DOI: 10.1542/peds.2024-065881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 03/27/2024] [Indexed: 05/02/2024] Open
Abstract
OBJECTIVE In conjunction with widening legalization, there has been a rapid rise in unintentional cannabis ingestions in young children. We sought to determine if the legal status of recreational cannabis was associated with resource use in young children with cannabis poisoning. METHODS This retrospective cross-sectional study of the Pediatric Health Information System included emergency department encounters between January 2016 and April 2023 for children <6 years of age with a diagnosis indicating cannabis ingestion. The primary exposure was recreational cannabis legalization status in the state in which the encounter occurred. We used logistic regression models to determine the association of recreational cannabis legality with resource utilization outcomes, adjusting for demographic covariates. RESULTS We included 3649 children from 47 hospitals; 29% of encounters occurred in places in which recreational cannabis was legal. Compared with environments in which recreational cannabis was illegal, cannabis-legal locations had lower uses of advanced neuroimaging (24% vs 35%; adjusted odds ratio [aOR], 0.65; 95% confidence interval [CI]: 0.55-0.77), lumbar puncture (1.6% vs 3.8%; aOR, 0.42; 95% CI: 0.24-0.70), ICU admission (7.9% vs 11%; aOR, 0.71; 95% CI: 0.54-0.93), and mechanical ventilation (0.8% vs 2.9%; aOR, 0.30; 95% CI: 0.14-0.58). Urine testing was more common in places in which recreational cannabis was legal (71% vs 58%; aOR, 1.87; 95% CI: 1.59-2.20). CONCLUSIONS State-level legalization of recreational cannabis was associated with a significant decrease in the utilization of advanced medical resources in cases of cannabis intoxication in children. These findings suggest the need for a focus on policies and procedures to minimize invasive testing in cases of cannabis intoxication in children.
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Affiliation(s)
- Patrick S. Walsh
- Department of Pediatrics, Section of Pediatric Emergency Medicine
| | - Amanda S. Dupont
- Department of Pediatrics, Section of Pediatric Emergency Medicine
| | - Matthew J. Lipshaw
- Division of Emergency Medicine, Cincinnati Children’s Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Alexis Visotcky
- Division of Biostatistics, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Danny G. Thomas
- Department of Pediatrics, Section of Pediatric Emergency Medicine
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Kaplan EF, Link CN, Schmalzried S, Rosenblatt A, Kellams A, Holland E. Association of Cannabis with Apneic Episodes in a Breastfed Infant: A Case Study. Breastfeed Med 2024; 19:490-493. [PMID: 38469628 DOI: 10.1089/bfm.2024.0047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Background: The use of cannabis and its perceived safety among pregnant and breastfeeding women has increased in the context of expanding legalization. Current guidelines recommend abstaining from the use of cannabis while pregnant or breastfeeding due to the potential for harm, although there is still much that is unknown in this field. Case Presentation: A 5-week-old infant presented with recurrent apneic episodes and a positive urine delta-9-tetrahydrocannabinol (THC) screening test. The infant's mother reported regular cannabis use for treatment of depression and anxiety while pregnant and breastfeeding. The infant was subsequently transitioned to formula feedings, and the infant's condition improved. Conclusion: Cannabis and its active metabolites can be transferred into breast milk and may have deleterious neurologic effects on infants. However, a causal relationship between cannabis exposure and short- or long-term neurologic sequelae has not yet been definitively established. Further studies are warranted to assess the safety of maternal cannabis use for breastfed infants.
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Affiliation(s)
- Emily F Kaplan
- University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Courtney N Link
- University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Scott Schmalzried
- Division of Medical Toxicology, Department of Emergency Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Amanda Rosenblatt
- Division of Breastfeeding Medicine, Department of Pediatrics, University of Virginia, Charlottesville, Virginia, USA
| | - Ann Kellams
- Division of Breastfeeding Medicine, Department of Pediatrics, University of Virginia, Charlottesville, Virginia, USA
| | - Eliza Holland
- Division of Hospital Medicine, Department of Pediatrics, University of Virginia, Charlottesville, Virginia, USA
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Wood S, Gabrys R, Freeman T, Hammond D. Canada's THC unit: Applications for the legal cannabis market. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2024; 128:104457. [PMID: 38772194 DOI: 10.1016/j.drugpo.2024.104457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/23/2024]
Abstract
The legalization of cannabis in Canada has accelerated the need for a standardized approach to measuring and communicating the amount of delta-9-tetrahydrocannabinol (THC) in cannabis products. This article offers an overview of the considerations associated with establishing and implementing a standard THC unit in the Canadian context. The article begins by discussing the applications of a standard THC unit, emphasizing its potential use in product labelling, consumer education, and product reporting and surveillance. The article then examines key considerations for identifying what a Canadian THC unit should be set at, specifically within the context of a country with a regulated commercial cannabis market. This is followed by a discussion of additional considerations related to the adoption of a Canadian THC unit, including its use across various product formats and modes of administration. A significant focus of this article is on prioritizing public health and safety and informed decision-making among adult consumers as the legal cannabis market evolves. Collaboration among various stakeholders, such as government agencies, industry, and public health professionals, is highlighted as crucial for a successful transition to the use of Canada's THC unit.
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Affiliation(s)
- Shea Wood
- Canadian Centre on Substance Use and Addiction, 75 Albert St, Suite 500, Ottawa, ON K1P 5E7, Canada.
| | - Robert Gabrys
- Canadian Centre on Substance Use and Addiction, 75 Albert St, Suite 500, Ottawa, ON K1P 5E7, Canada; Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa K1S 5B6, ON, Canada
| | - Tom Freeman
- Addiction and Mental Health Group, Department of Psychology, University of Bath, Bath BA2 7AY, Canada
| | - David Hammond
- School of Public Health Sciences, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, Canada
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Sera L, Hempel-Sanderoff C. Cannabis Science and Therapeutics: An Overview for Clinicians. J Clin Pharmacol 2024; 64:499-513. [PMID: 38145388 DOI: 10.1002/jcph.2400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 12/15/2023] [Indexed: 12/26/2023]
Abstract
Cannabis-based therapeutics have garnered increasing attention in recent years as patients seek alternative treatments for various medical conditions. This narrative review provides a comprehensive overview of the science behind the medical use of cannabis, focusing on the medical evidence for commonly treated conditions. In addition, the review addresses the practical considerations of using cannabis as a therapeutic agent, offering insights into dosing strategies, variations in cannabinoid formulation, and individual patient responses. Precautions, adverse consequences, and drug interactions are also discussed, with a focus on patient safety and the potential risks associated with cannabis use.
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Affiliation(s)
- Leah Sera
- Department of Practice, Sciences, and Health Outcomes Research, University of Maryland School of Pharmacy, Baltimore, MD, USA
| | - Carrie Hempel-Sanderoff
- Department of Practice, Sciences, and Health Outcomes Research, University of Maryland School of Pharmacy, Baltimore, MD, USA
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Mensah FK, Glover K, Leane C, Gartland D, Nikolof A, Clark Y, Gee G, Brown SJ. Understanding cannabis use and mental health difficulties in context with women's experiences of stressful events and social health issues in pregnancy: The Aboriginal Families Study. Compr Psychiatry 2024; 131:152455. [PMID: 38340534 DOI: 10.1016/j.comppsych.2024.152455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/12/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND Few population-based data sources fully recognise the intersections between stressful events, social health issues, and cannabis use in pregnancy, and little is known about sequelae for women's mental health. METHODS We draw on two waves of population-based data for 344 families participating in the Aboriginal Families Study longitudinal cohort. We examine women's mental health in the first year postpartum and when children were aged 5-9 years in context with life experiences and use of cannabis in pregnancy. OUTCOMES One in five women (19·5%) used cannabis during pregnancy (with or without co-use of tobacco). Within this group of women, 88·3% experienced 3 or more (3+) stressful events or social health issues. Psychological distress (Kessler-5 scale, K-5) in the year postpartum was substantially higher amongst women who had used cannabis or experienced 3+ stressful events or social health issues. High proportions of women met criteria for support and referral for depression and/or anxiety (52·5% of women who had used cannabis compared to 20·9% amongst women who had neither used cannabis nor tobacco; 43·2% of women who had experienced 3+ stressful events or social health issues compared to 15·6% amongst women who had not indicated these experiences). Similar patterns of psychological distress, depressive (9-item adapted Personal Health Questionnaire, aPHQ-9) and anxiety symptoms (7-item Generalised Anxiety Disorder score, GAD-7) were evident when the study children were aged 5-9 years. INTERPRETATION Amongst women who had used cannabis in pregnancy, a high burden of psychological distress, depression, and anxiety is evident in the postpartum period and as their children turn 5-9 years. The overlay of stressful events and social health issues and the high proportion of women meeting criteria for referral for mental health assessment and support indicate an urgent need to offer women opportunities for safe disclosure of cannabis use and opportunities to access sustained holistic services. Reducing the harms of cannabis use on Aboriginal and Torres Strait Islander families must be coupled with culturally safe ways of addressing the social, historical, and structural determinants of mental health distress and harmful use of substances.
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Affiliation(s)
- Fiona K Mensah
- Intergenerational Health, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia.
| | - Karen Glover
- Intergenerational Health, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Women and Kids, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Cathy Leane
- Women's and Children's Health Network, SA Health, Adelaide, South Australia, Australia
| | - Deirdre Gartland
- Intergenerational Health, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
| | - Arwen Nikolof
- Intergenerational Health, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia; Women and Kids, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Yvonne Clark
- Women and Kids, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia; University of South Australia, Adelaide, South Australia, Australia
| | - Graham Gee
- Intergenerational Health, Murdoch Children's Research Institute, Parkville, Victoria, Australia; School of Psychological Sciences, University of Melbourne, Parkville, Victoria, Australia
| | - Stephanie J Brown
- Intergenerational Health, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia; Women and Kids, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
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Lo JO, Hedges JC, Chou WH, Tager KR, Bachli ID, Hagen OL, Murphy SK, Hanna CB, Easley CA. Influence of substance use on male reproductive health and offspring outcomes. Nat Rev Urol 2024:10.1038/s41585-024-00868-w. [PMID: 38664544 DOI: 10.1038/s41585-024-00868-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/29/2024] [Indexed: 04/30/2024]
Abstract
The prevalence of substance use globally is rising and is highest among men of reproductive age. In Africa, and South and Central America, cannabis use disorder is most prevalent and in Eastern and South-Eastern Europe, Central America, Canada and the USA, opioid use disorder predominates. Substance use might be contributing to the ongoing global decline in male fertility, and emerging evidence has linked paternal substance use with short-term and long-term adverse effects on offspring development and outcomes. This trend is concerning given that substance use is increasing, including during the COVID-19 pandemic. Preclinical studies have shown that male preconception substance use can influence offspring brain development and neurobehaviour through epigenetic mechanisms. Additionally, human studies investigating paternal health behaviours during the prenatal period suggest that paternal tobacco, opioid, cannabis and alcohol use is associated with reduced offspring mental health, in particular hyperactivity and attention-deficit hyperactivity disorder. The potential effects of paternal substance use are areas in which to focus public health efforts and health-care provider counselling of couples or individuals interested in conceiving.
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Affiliation(s)
- Jamie O Lo
- Department of Urology, Oregon Heath & Science University, Portland, OR, USA.
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA.
- Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, OR, USA.
| | - Jason C Hedges
- Department of Urology, Oregon Heath & Science University, Portland, OR, USA
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
- Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, OR, USA
| | - Wesley H Chou
- Department of Urology, Oregon Heath & Science University, Portland, OR, USA
| | - Kylie R Tager
- Department of Environmental Health Science, University of Georgia College of Public Health, Athens, GA, USA
| | - Ian D Bachli
- Department of Environmental Health Science, University of Georgia College of Public Health, Athens, GA, USA
| | - Olivia L Hagen
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Susan K Murphy
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA
| | - Carol B Hanna
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Charles A Easley
- Department of Environmental Health Science, University of Georgia College of Public Health, Athens, GA, USA
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Fortier A, Zouaoui I, Dumais A, Potvin S. Effects of Recreational Cannabis Legalization on Mental Health: Scoping Review. Psychiatr Serv 2024:appips20230434. [PMID: 38650490 DOI: 10.1176/appi.ps.20230434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
OBJECTIVE Recreational cannabis legalization (RCL) is expanding rapidly. RCL's effects on mental health issues are of particular concern because cannabis use is more frequent among people receiving psychiatric care and is associated with several psychiatric disorders. The authors conducted a scoping review to examine the evidence and discern gaps in the literature concerning the effects of RCL on mental health and to assess the factors responsible for an observed heterogeneity in research results. METHODS This scoping literature review followed PRISMA guidelines. Five databases-MEDLINE, CINAHL, Embase, APA PsycInfo, and Web of Science-were searched for English- or French-language reports published between January 1, 2012, and April 30, 2023. RESULTS Twenty-eight studies from the United States and Canada were found. The studies were classified by category of the study's data (patients receiving psychiatric care [k=1], death records [k=4], emergency department or hospital records [k=10], and the general population [k=13]) and by the diagnosis (schizophrenia or psychoses, mood disorders, anxiety disorders and symptoms, suicide or suicidal ideation, or other mental health issues) examined. The review findings revealed a paucity of research and indicated mixed and largely inconclusive results of the studies examined. Research gaps were found in the examination of potential changes in cannabis use patterns among people receiving psychiatric care and in the availability of longitudinal studies. CONCLUSIONS Clinicians, researchers, and policy makers need to collaborate to address the research gaps and to develop evidence-based policies that reflect a thorough understanding of the effects associated with RCL.
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Affiliation(s)
- Alexandra Fortier
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, and Centre de Recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal
| | - Inès Zouaoui
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, and Centre de Recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal
| | - Alexandre Dumais
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, and Centre de Recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal
| | - Stéphane Potvin
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, and Centre de Recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal
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Beaugard CA, Walley AY, Amodeo M. "Everything is kind of the same except my mind is with me": exploring cannabis substitution in a sample of adults in early recovery from an opioid or stimulant addiction. Harm Reduct J 2024; 21:83. [PMID: 38643152 PMCID: PMC11031937 DOI: 10.1186/s12954-024-01002-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 04/06/2024] [Indexed: 04/22/2024] Open
Abstract
BACKGROUND Recovery from addiction is frequently equated with abstinence. However, some individuals who resolve an addiction continue to use substances, including via substitution (i.e., increased use of one substance after eliminating/ reducing another). Substitution may play a distinct role during early recovery (≤ 1 year), as this period is marked by dramatic change and adjustment. Cannabis is one of the most used substances and is legal for medical and recreational use in an increasing number of states. Consequently, cannabis an increasingly accessible substitute for substances, like fentanyl, heroin, cocaine and methamphetamine, with higher risk profiles (e.g., associated with risk for withdrawal, overdose, and incarceration). METHODS Fourteen participants reported that they had resolved a primary opioid or stimulant addiction and subsequently increased their cannabis use within the previous 12 months. Using grounded theory, the interviewer explored their experiences of cannabis use during early recovery. Data were analyzed in three stages: line by line coding for all text related to cannabis use and recovery, focused coding, and axial coding to generate a theory about recovery with cannabis substitution. The motivational model of substance use provided sensitizing concepts. RESULTS & DISCUSSION The final sample included eight men and six women ranging in age from 20 to 50 years old. Three participants resolved an addiction to methamphetamine and the remaining 11, an addiction to opioids. Participants explained that cannabis was appealing because of its less harmful profile (e.g., no overdose risk, safe supply, few side effects). Participants' primary motives for cannabis use included mitigation of psychiatric symptoms, withdrawal/ cravings, and boredom. While cannabis was effective toward these ends, participants also reported some negative side effects (e.g., decreased productivity, social anxiety). All participants described typical benefits of recovery (e.g., improved self-concept, better relationships) while continuing to use cannabis. Their experiences with and beliefs about substitution suggest it can be an effective strategy for some individuals during early recovery. CONCLUSIONS Cannabis use may benefit some adults who are reducing their opioid or stimulant use, especially during early recovery. The addiction field's focus on abstinence has limited our knowledge about non-abstinent recovery. Longitudinal studies are needed to understand the nature of substitution and its impact on recovery over time.
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Affiliation(s)
- Corinne A Beaugard
- Boston University School of Social Work, 264 Bay State Road, Boston, MA, 02215, USA.
- Department of Psychiatry, Boston Medical Center Crosstown Center, 4th Floor 801 Massachusetts Avenue, 02118, Boston, MA, USA.
| | - Alexander Y Walley
- Boston Medical Center, Grayken Center for Addiction, Clinical Addiction Research and Education Unit, Section of General Internal Medicine, Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, 801 Massachusetts Ave, 2nd Floor, Boston, MA, 02118, USA
| | - Maryann Amodeo
- Boston University School of Social Work, 264 Bay State Road, Boston, MA, 02215, USA
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Chaaban S, Istvan M, Schreck B, Laigo P, Rousselet M, Grall-Bronnec M, Pain S, Victorri-Vigneau C. Cannabis use and dependence among festival attendees: results from the French OCTOPUS survey. BMC Public Health 2024; 24:992. [PMID: 38594675 PMCID: PMC11003156 DOI: 10.1186/s12889-024-18496-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 04/01/2024] [Indexed: 04/11/2024] Open
Abstract
BACKGROUND Chronic use of cannabis is associated with an increased risk of psychosocial, mental and physical health impairments. Sociohealth institutions reach a very limited proportion of cannabis users in need of treatment. Using data collected from festival attendees, this study aimed to estimate the prevalence of dependent cannabis users and to characterize cannabis dependence. METHODS We used data from the cross-sectional OCTOPUS survey carried out at 13 music events in the French department of Loire-Atlantique between July 2017 and July 2018. 383 participants aged 18 or older underwent a face-to-face interview about their basic sociodemographics, tobacco use, alcohol use and past-year substance use. Using the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) criteria, we estimated the prevalence of dependent cannabis users and characterized their dependence. RESULTS More than two-thirds of participants reported that they had used cannabis in the past 12 months. Among 194 regular cannabis users (at least monthly), 63.4% were dependent. At least 40% of regular users reported health and/or social consequences of cannabis use. Compared to nondependent cannabis users, dependent cannabis users were more likely to be stimulant users and hallucinogen users. CONCLUSIONS Dependent cannabis use is common among festival attendees, especially among stimulant or hallucinogen users. Festival settings may be important arenas for i) implementing efficient harm reduction measures to prevent dependence and ii) providing information on care structures and promoting the use of care to dependent users. In addition, healthcare professionals should be aware of trends in polysubstance use among dependent cannabis users.
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Affiliation(s)
- Sarah Chaaban
- Centre d'Evaluation et d'Information sur la Pharmacodépendance-Addictovigilance (CEIP-A), Service de Pharmacologie Clinique, Nantes Université, CHU Nantes, F-44000, Nantes, France
| | - Marion Istvan
- Centre d'Evaluation et d'Information sur la Pharmacodépendance-Addictovigilance (CEIP-A), Service de Pharmacologie Clinique, Nantes Université, CHU Nantes, F-44000, Nantes, France
- Nantes Université, Univ Tours, CHU Nantes, CHU Tours, INSERM, MethodS in Patients-centered outcomes and HEalth Research, SPHERE, F-44000, Nantes, France
| | - Benoit Schreck
- Nantes Université, Univ Tours, CHU Nantes, CHU Tours, INSERM, MethodS in Patients-centered outcomes and HEalth Research, SPHERE, F-44000, Nantes, France
- UIC Psychiatrie et Santé Mentale, Nantes Université, CHU Nantes, F-44000, Nantes, France
| | - Pauline Laigo
- Centre d'Evaluation et d'Information sur la Pharmacodépendance-Addictovigilance (CEIP-A), Service de Pharmacologie Clinique, Nantes Université, CHU Nantes, F-44000, Nantes, France
| | - Morgane Rousselet
- Centre d'Evaluation et d'Information sur la Pharmacodépendance-Addictovigilance (CEIP-A), Service de Pharmacologie Clinique, Nantes Université, CHU Nantes, F-44000, Nantes, France.
- Nantes Université, Univ Tours, CHU Nantes, CHU Tours, INSERM, MethodS in Patients-centered outcomes and HEalth Research, SPHERE, F-44000, Nantes, France.
- UIC Psychiatrie et Santé Mentale, Nantes Université, CHU Nantes, F-44000, Nantes, France.
| | - Marie Grall-Bronnec
- Nantes Université, Univ Tours, CHU Nantes, CHU Tours, INSERM, MethodS in Patients-centered outcomes and HEalth Research, SPHERE, F-44000, Nantes, France
- UIC Psychiatrie et Santé Mentale, Nantes Université, CHU Nantes, F-44000, Nantes, France
| | - Stéphanie Pain
- Centre d'addictovigilance, Service de Pharmacologie Clinique, CHU de Poitiers, 86000, Poitiers, France
- Laboratoire de Neurosciences Expérimentales et Cliniques, INSERM U-1084, Université de Poitiers, 86000, Poitiers, France
| | - Caroline Victorri-Vigneau
- Centre d'Evaluation et d'Information sur la Pharmacodépendance-Addictovigilance (CEIP-A), Service de Pharmacologie Clinique, Nantes Université, CHU Nantes, F-44000, Nantes, France
- Nantes Université, Univ Tours, CHU Nantes, CHU Tours, INSERM, MethodS in Patients-centered outcomes and HEalth Research, SPHERE, F-44000, Nantes, France
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Petrilli K, Lawn W, Lees R, Mokrysz C, Borissova A, Ofori S, Trinci K, Dos Santos R, Leitch H, Soni S, Hines LA, Lorenzetti V, Curran HV, Freeman TP. Enhanced cannabis timeline followback (EC-TLFB): Comprehensive assessment of cannabis use including standard THC units and validation through biological measures. Addiction 2024; 119:772-783. [PMID: 38105033 DOI: 10.1111/add.16405] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 11/06/2023] [Indexed: 12/19/2023]
Abstract
AIMS The aims of this study were to present an enhanced cannabis timeline followback (EC-TLFB) enabling comprehensive assessment of cannabis use measures, including standard tetrahydrocannabinol (THC) units, and to validate these against objectively indexed urinary 11-nor-9-carboxy-tetrahydrocannabinol (THC-COOH) concentrations. DESIGN We used cross-sectional baseline data from the 'CannTeen' observational longitudinal study. SETTING The study was conducted in London, UK. PARTICIPANTS A total of 147 participants who used cannabis regularly took part in the study (n = 71 female, n = 76 male; mean age = 21.90, standard deviation = 5.32). MEASUREMENTS The EC-TLFB was used to calculate frequency of cannabis use, method of administration, including co-administration with tobacco, amount of cannabis used (measured with unaided self-report and also using pictorial aided self-report) and type of cannabis product (flower, hash) which was used to estimate THC concentration (both from published data on THC concentration of products and analysis of cannabis samples donated by participants in this study). We calculated total weekly standard THC units (i.e. 5 mg THC for all cannabis products and methods of administration) using the EC-TLFB. The outcome variable for validation of past week EC-TLFB assessments was creatinine-normalized carboxy-tetrahydrocannabinol (THC-COOH) in urine. FINDINGS All measures of cannabis exposure included in this analysis were positively correlated with levels of THC-COOH in urine (r = 0.41-0.52). Standard THC units, calculated with average concentrations of THC in cannabis in the UK and unaided self-report measures of amount of cannabis used in grams showed the strongest correlation with THC-COOH in urine (r = 0.52, 95% bias-corrected and accelerated = 0.26-0.70). CONCLUSIONS The enhanced cannabis timeline followback (EC-TLFB) can provide a valid assessment of a comprehensive set of cannabis use measures including standard tetrahydrocannabinol units as well as and traditional TLFB assessments (e.g. frequency of use and grams of cannabis use).
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Affiliation(s)
- Kat Petrilli
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
| | - Will Lawn
- Department of Psychology, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- Department of Addictions, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- Clinical Psychopharmacology Unit, University College London, London, UK
| | - Rachel Lees
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
| | - Claire Mokrysz
- Clinical Psychopharmacology Unit, University College London, London, UK
| | - Anya Borissova
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- NIHR University College London Hospitals Biomedical Research Centre, University College Hospital, London, UK
| | - Shelan Ofori
- Clinical Psychopharmacology Unit, University College London, London, UK
| | - Katie Trinci
- Clinical Psychopharmacology Unit, University College London, London, UK
| | | | - Harry Leitch
- Clinical Psychopharmacology Unit, University College London, London, UK
| | - Shilpa Soni
- Clinical Psychopharmacology Unit, University College London, London, UK
| | - Lindsey A Hines
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
- Population Health Science, Bristol Medical School, University of Bristol, Bristol, UK
| | - Valentina Lorenzetti
- Neuroscience of Addiction and Mental Health Programme, the Healthy Brain and Mind Research Centre, School of Behavioural and Health Sciences, Faculty of Health Sciences, Australian Catholic University, Melbourne, Australia
| | - H Valerie Curran
- Clinical Psychopharmacology Unit, University College London, London, UK
| | - Tom P Freeman
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
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Spindle TR, Zamarripa CA, Russo E, Pollak L, Bigelow G, Ward AM, Tompson B, Sempio C, Shokati T, Klawitter J, Christians U, Vandrey R. Vaporized D-limonene selectively mitigates the acute anxiogenic effects of Δ9-tetrahydrocannabinol in healthy adults who intermittently use cannabis. Drug Alcohol Depend 2024; 257:111267. [PMID: 38498958 PMCID: PMC11031290 DOI: 10.1016/j.drugalcdep.2024.111267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/01/2024] [Accepted: 03/02/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND Cannabis contains hundreds of chemical constituents beyond delta-9-tetrahydrocannabinol (THC), which is believed to drive most of its acute pharmacodynamic effects. The entourage effect theory asserts that non-THC constituents can impact acute cannabis effects, but few empirical studies have systematically evaluated this theory in humans. This study assessed whether the cannabis terpenoid d-limonene mitigates the acute anxiogenic effects of THC. METHODS Twenty healthy adults completed nine, double-blind outpatient sessions in which they inhaled vaporized THC alone (15mg or 30mg), d-limonene alone (1mg or 5mg), the same doses of THC and d-limonene together, or placebo; a subset of participants (n=12) completed a tenth session in which 30mg THC+15mg d-limonene was administered. Outcomes included subjective drug effects, cognitive/psychomotor performance, vital signs, and plasma THC and d-limonene concentrations. RESULTS When d-limonene was administered alone, pharmacodynamic outcomes did not differ from placebo. Administration of 15mg and 30mg THC alone produced subjective, cognitive, and physiological effects typical of acute cannabis exposure. Ratings of anxiety-like subjective effects qualitatively decreased as d-limonene dose increased and concurrent administration of 30mg THC+15mg d-limonene significantly reduced ratings of "anxious/nervous" and "paranoid" compared with 30mg THC alone. Other pharmacodynamic effects were unchanged by d-limonene. D-limonene plasma concentrations were dose orderly, and concurrent administration of d-limonene did not alter THC pharmacokinetics. CONCLUSIONS D-limonene selectively attenuated THC-induced anxiogenic effects, suggesting this terpenoid could increase the therapeutic index of THC. Future research should determine whether this effect extends to oral dose formulations and evaluate the interactions between other cannabis terpenoids or cannabinoids and THC.
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Affiliation(s)
- Tory R Spindle
- Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA
| | - C Austin Zamarripa
- Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA
| | - Ethan Russo
- CReDO Science, 20402 81st Avenue SW, Vashon, WA 98070, USA
| | - Lauren Pollak
- Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA
| | - George Bigelow
- Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA
| | - Alexandra M Ward
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Bridget Tompson
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Cristina Sempio
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Touraj Shokati
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Jost Klawitter
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Uwe Christians
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Ryan Vandrey
- Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA.
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13
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Temourian AA, Halliday DM, Yan Y, Chan-Golston AM, Song AV. Marijuana and E-cigarette Initiation Among Adolescents: A Survival Analysis. J Adolesc Health 2024; 74:747-754. [PMID: 38085208 DOI: 10.1016/j.jadohealth.2023.11.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/27/2023] [Accepted: 11/10/2023] [Indexed: 03/24/2024]
Abstract
PURPOSE Prior literature suggests marijuana and e-cigarette initiation among adolescents is surpassing combustible cigarette uptake. Marijuana and nicotine co-use is also a concern as these products grow in popularity. Initiation trajectories for marijuana and e-cigarette products are not well understood, let alone how the use of one product may impact initiation susceptibility for the other. METHODS We used national longitudinal data from the Population Assessment of Tobacco and Health study from 2013 to 2018. Eighth graders in Wave 1 made up the analytic sample (N = 2,270). We employed discrete time survival analyses to determine the likelihood of initiating marijuana and e-cigarettes between Waves 2 and 5. We used survival analyses to estimate the relationships between prior cigarette and marijuana use and subsequent e-cigarette initiation, as well as prior cigarette and e-cigarette use and subsequent marijuana initiation. RESULTS Previous marijuana initiation was associated with later e-cigarette initiation (odds ratio = 6.88, 95% confidence interval [4.89, 9.67]). Previous e-cigarette initiation was associated with later marijuana initiation (odds ratio = 9.28, 95% confidence interval [6.86, 12.56]). By wave 5, adolescents were more than 42% likely to initiate marijuana and e-cigarettes. DISCUSSION Susceptibility to marijuana and e-cigarette products starts as early as eighth grade and increases over time. The use of one product is significantly related to later initiation for the other. Rather than addressing marijuana and nicotine as separate concerns, interventions may benefit by recognizing the closely related nature of these products.
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Affiliation(s)
- Allison A Temourian
- Department of Psychological Sciences, School of Social Sciences, Humanities, & Arts, University of California, Merced, California; Nicotine and Cannabis Policy Center, Health Sciences Research Institute, University of California, Merced, California
| | - Deanna M Halliday
- Center for Tobacco Control Research and Education, University of California, San Francisco, California
| | - Yueqi Yan
- Biostatistics and Data Support Center, Health Sciences Research Institute, University of California, Merced, California
| | - Alec M Chan-Golston
- Department of Public Health, School of Social Sciences, Humanities, & Arts, University of California, Merced, California; Biostatistics and Data Support Center, Health Sciences Research Institute, University of California, Merced, California
| | - Anna V Song
- Department of Psychological Sciences, School of Social Sciences, Humanities, & Arts, University of California, Merced, California; Nicotine and Cannabis Policy Center, Health Sciences Research Institute, University of California, Merced, California.
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14
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Goulette M, Schlienz NJ, Case AA, Hansen E, Rivard C, Ashare RL, Goniewicz ML, Bansal-Travers M, Hyland A, Smith DM. Self-reported knowledge of tetrahydrocannabinol and cannabidiol concentration in cannabis products among cancer patients and survivors. Support Care Cancer 2024; 32:210. [PMID: 38443674 PMCID: PMC10915076 DOI: 10.1007/s00520-024-08374-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 02/11/2024] [Indexed: 03/07/2024]
Abstract
PURPOSE Cannabis use may introduce risks and/or benefits among people living with cancer, depending on product type, composition, and nature of its use. Patient knowledge of tetrahydrocannabinol (THC) or cannabidiol (CBD) concentration could provide information for providers about cannabis use during and after treatment that may aide in risk and benefit assessments. This study aimed to examine knowledge of THC or CBD concentration among patients living with cancer who consume cannabis, and factors associated with knowledge of cannabinoid concentrations. METHODS People living with cancer who consumed cannabis since their diagnosis (n = 343) completed an anonymous, mixed-mode survey. Questions assessed usual mode of delivery (MOD), knowledge of THC/CBD concentration, and how source of acquisition, current cannabis use, and source of instruction are associated with knowledge of THC/CBD concentration. Chi-square and separate binary logistic regression analyses were examined and weighted to reflect the Roswell Park patient population. RESULTS Less than 20% of people living with cancer had knowledge of THC and CBD concentration for the cannabis products they consumed across all MOD (smoking- combustible products, vaping- vaporized products (e-cigarettes), edibles-eating or drinking it, and oral- taking by mouth (pills)). Source of acquisition (smoking-AOR:4.6, p < 0.01, vaping-AOR:5.8, p < 0.00, edibles-AOR:2.6, p < 0.04), current cannabis use (edibles-AOR:5.4, p < 0.01, vaping-AOR: 11.2, p < 0.00, and oral-AOR:9.3, p < 0.00), and source of instruction (vaping only AOR:4.2, p < 0.05) were found to be variables associated with higher knowledge of THC concentration. CONCLUSION Self-reported knowledge of THC and CBD concentration statistically differed according to MOD, source of acquisition, source of instruction, and current cannabis use.
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Affiliation(s)
- Michelle Goulette
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA
- State University of New York at Buffalo, Buffalo, NY, USA
| | - Nicolas J Schlienz
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA
| | - Amy A Case
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA
| | - Eric Hansen
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA
| | - Cheryl Rivard
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA
| | | | - Maciej L Goniewicz
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA
| | - Maansi Bansal-Travers
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA
| | - Andrew Hyland
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA
| | - Danielle M Smith
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Elm & Carlton Streets, Buffalo, NY, 14263, USA.
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15
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Benoy R, Ramirez C, Hitchcock M, Reardon C. Cannabis Use in Adolescent and Young Adult Athletes: A Clinical Review. Sports Health 2024; 16:279-284. [PMID: 37950433 PMCID: PMC10916776 DOI: 10.1177/19417381231208661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023] Open
Abstract
CONTEXT Cannabis use among the general population has increased over time, in part due to decriminalization of use and greater social acceptance of cannabis use. These changes have contributed to increased availability of cannabis products, thus raising the likelihood that a subset of adolescent and young adult athletes will use cannabis. Therefore, it is imperative that clinicians and other providers working with young athletes have a thorough understanding of the impact cannabis can have on the athletic performance and overall health of a young athlete. EVIDENCE ACQUISITION PubMed (Medline), CINAHL, PsycINFO, and SportDiscus databases were used to perform a literature search of articles published between January 1, 2010 and December 31, 2022. Additional articles were reviewed based on references obtained from initial articles. STUDY DESIGN Clinical review. LEVEL OF EVIDENCE Level 4. RESULTS Survey studies suggest that up to 1 in 4 athletes have used cannabis at least once in the last year. Age, sex, race, sexual orientation, level of competition, and country of residence of an athlete all contribute to differing rates of cannabis use among athletes. The scientific literature does not support using cannabis for athletic performance, and multiple studies have demonstrated notable impairments in objective athletic performance measures. Cannabis use can also negatively impact an athlete's overall health via cardiovascular, gastrointestinal, and mental health symptoms and disorders. CONCLUSION Cannabis use among adolescent and young adult athletes is common, and rates of use are influenced by many different factors. Current evidence suggests that cannabis use can worsen sport performance, negatively impact an athlete's general health, and contribute to negative mental health outcomes.
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Affiliation(s)
- Ryan Benoy
- Department of Psychiatry, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Cesar Ramirez
- Department of Psychiatry, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Mary Hitchcock
- University of Wisconsin-Madison, Ebling Library for the Health Sciences, 2339 Health Sciences Learning Center, Madison, Wisconsin
| | - Claudia Reardon
- Department of Psychiatry, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
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16
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Calhoun BH, Walukevich-Dienst K, Graupensperger S, Patrick ME, Lee CM. Morning cannabis use in young adults: Associations with overall levels of use, negative consequences, and cannabis use disorder symptoms across 2.5 years. Drug Alcohol Depend 2024; 256:111114. [PMID: 38325066 PMCID: PMC10919896 DOI: 10.1016/j.drugalcdep.2024.111114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 01/02/2024] [Accepted: 01/25/2024] [Indexed: 02/09/2024]
Abstract
BACKGROUND Emerging research suggests morning cannabis use may be associated with using more cannabis and experiencing more cannabis-related consequences. This paper examined whether months when young adults reported morning cannabis use (use between 6:00AM and 12:00PM) were associated with cannabis use frequency, negative cannabis-related consequences, and changes in cannabis use disorder (CUD) symptoms. METHODS Participants were 778 young adults (Mage=21.11 years, 58.5% female) enrolled in a longitudinal study on substance use and social role transitions. Eligible participants were 18-23 years old at screening and reported past-year alcohol use. Participants completed a baseline survey, 24 consecutive monthly surveys, and a follow-up survey 30 months after baseline. Aims were tested using multilevel models and multiple regression. RESULTS Analyses were limited to cannabis use months (N=4719; 28.9% of sampled months) and participants who reported cannabis use at least once (N=542; 69.7% of all participants). Morning use was reported in 12.3% of cannabis use months and at least once by 23.6% of participants who reported using cannabis. Relative to non-morning use months, morning use months were associated with greater cannabis use frequency and more negative consequences. However, the association between morning use and negative consequences was not statistically significant after controlling for cannabis use frequency. The percentage of cannabis use months with morning use was positively associated with increased CUD symptoms at the 30-month follow-up, relative to baseline. CONCLUSIONS Morning cannabis use may be a useful marker of high-risk cannabis use and may contribute to the maintenance and worsening of CUD over time.
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Affiliation(s)
- Brian H Calhoun
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA 98195-7238, USA.
| | - Katherine Walukevich-Dienst
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA 98195-7238, USA
| | - Scott Graupensperger
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA 98195-7238, USA
| | - Megan E Patrick
- Institute for Social Research, University of Michigan, P.O. Box 1248, 426 Thompson St, Ann Arbor, MI 48106-1248, USA
| | - Christine M Lee
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA 98195-7238, USA
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Yang S, Cotter LM, Lu L, Kriss LA, Minich M, Liu J, Silver LD, Cascio CN. Countering online marketing and user endorsements with enhanced cannabis warning labels: An online experiment among at-risk youth and young adults. Prev Med 2024; 180:107877. [PMID: 38266719 DOI: 10.1016/j.ypmed.2024.107877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 12/20/2023] [Accepted: 01/20/2024] [Indexed: 01/26/2024]
Abstract
As cannabis legalization expands and online marketing intensifies, this study examines whether online social cues can amplify youth-targeted cannabis advertising and whether cannabis warning labels (CWLs) can counteract these influences. A U.S. online sample of 970 adolescents and 1776 young adults susceptible to cannabis use were recruited from Qualtrics in summer 2022. Each participant was randomly assigned to one of the 3 (CWLs: none vs. textual vs. pictorial) by 3 (comments: none vs. anti-cannabis vs. pro-cannabis) conditions in an online experiment. Participants were exposed to three online marketing posts promoting marijuana edibles (randomly selected from a large pool, N = 1260), each with either no warning label, a textual warning, or a pictorial warning (text and picture), and with either five comments (pro- or anti-cannabis in valence) or none. Results showed that among adolescents, pro-cannabis comments increased product appeal (vs. anti-cannabis comments: b = 0.18, p = .025; vs. no comments: b = 0.21, p = .021), and did so more than young adults. For adolescents, only pictorial warnings reduced product appeal (b = -0.20, p = .028). For young adults, both pictorial (b = -0.18, p = .002) and textual warnings (b = -0.12, p = .029) reduced product appeal. Furthermore, both textual (adolescents: b = -0.20, p = .004; young adults: b = -0.15, p = .005) and pictorial (adolescents: b = -0.30, p < .001; young adults: b = -0.18, p = .001) warnings reduced cannabis use intentions. Findings support requiring enhanced CWLs accompany online marketing ads.
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Affiliation(s)
- Sijia Yang
- School of Journalism and Mass Communication, University of Wisconsin, Madison, WI, United States of America.
| | - Lynne M Cotter
- School of Journalism and Mass Communication, University of Wisconsin, Madison, WI, United States of America
| | - Linqi Lu
- School of Journalism and Mass Communication, University of Wisconsin, Madison, WI, United States of America
| | - Lauren A Kriss
- School of Journalism and Mass Communication, University of Wisconsin, Madison, WI, United States of America; UT Center for Health Communication, Austin, TX, United States of America
| | - Matt Minich
- School of Journalism and Mass Communication, University of Wisconsin, Madison, WI, United States of America
| | - Jiaying Liu
- Department of Communication, University of California, Santa Barbara, CA, United States of America
| | - Lynn D Silver
- Public Health Institute, Oakland, CA, United States of America
| | - Christopher N Cascio
- School of Journalism and Mass Communication, University of Wisconsin, Madison, WI, United States of America
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Halladay J, Sunderland M, Chapman C, Repchuck R, Georgiades K, Boak A, Hamilton HA, Slade T. Examining temporal trends in psychological distress and the co-occurrence of common substance use in a population-based sample of grade 7-12 students from 2013 to 2019. Soc Psychiatry Psychiatr Epidemiol 2024:10.1007/s00127-024-02619-z. [PMID: 38311705 DOI: 10.1007/s00127-024-02619-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 01/01/2024] [Indexed: 02/06/2024]
Abstract
PURPOSE Characterizing trends and correlates of adolescent psychological distress is important due to observed global increases over the last 20 years. Substance use is a commonly discussed correlate, though we lack an understanding about how co-occurrence of these concerns has been changing over time. METHODS Data came from repeated, representative, cross-sectional surveys of grade 7-12 students across Ontario, Canada conducted biennially from 2013 to 2019. Poisson regression with robust standard errors was used to examine changes in the joint association between psychological distress (operationalized as Kessler-6 [K6] scores ≥ 13) and substance use over time. Weighted prevalence ratios (PR) and their 99% confidence intervals were estimated, where p < 0.01 denotes statistical significance. RESULTS The prevalence of psychological distress doubled between 2013 and 2019, with adjusted increases of about 1.2 times each survey year. This biennial increase did not differ based on sex, perceived social standing, school level, or any substance use. Students using substances consistently reported a higher prevalence of psychological distress (between 1.2 times and 2.7 times higher). There were similarly no differential temporal trends based on substance use for very high distress (K6 ≥ 19) or K6 items explored individually. CONCLUSION Psychological distress steeply increased among adolescents and substance use remains important to assess and address alongside distress. However, the magnitude of temporal increases appears to be similar for adolescents reporting and not reporting substance use.
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Affiliation(s)
- J Halladay
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Level 6, Jane Foss Russell Building, G02, Camperdown, NSW, 2006, Australia.
| | - M Sunderland
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Level 6, Jane Foss Russell Building, G02, Camperdown, NSW, 2006, Australia
| | - C Chapman
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Level 6, Jane Foss Russell Building, G02, Camperdown, NSW, 2006, Australia
| | - R Repchuck
- Offord Centre for Child Studies, McMaster University, Hamilton, ON, Canada
| | - K Georgiades
- Offord Centre for Child Studies, McMaster University, Hamilton, ON, Canada
| | - A Boak
- The Centre for Addiction and Mental Health (CAMH), University of Toronto, Toronto, Canada
| | - H A Hamilton
- The Centre for Addiction and Mental Health (CAMH), University of Toronto, Toronto, Canada
| | - T Slade
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Level 6, Jane Foss Russell Building, G02, Camperdown, NSW, 2006, Australia
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Leclerc L, Fakra E, Pignon B, Benyamina A, Gaillard R, Rolland B. Opinions of French psychiatrists on the regulatory status of cannabis: Results from the "PsyCan - Encéphale" national online survey. L'ENCEPHALE 2024:S0013-7006(23)00215-4. [PMID: 38311481 DOI: 10.1016/j.encep.2023.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 09/30/2023] [Accepted: 11/02/2023] [Indexed: 02/06/2024]
Abstract
OBJECTIVE To explore the opinions of French psychiatrists toward the legalization of medical or recreational use of cannabis in France. METHODS Psycan was an anonymous Internet survey conducted between September 28, 2021 and March 29, 2022, among subscribers of the Encéphale Online community, i.e., approximately 4000 French psychiatrists. Participants were asked to complete a structured questionnaire, collecting their socio-demographic features, clinical experience, opinions toward cannabis legalization, and perceived impact of cannabis derivatives for psychiatric disorders. Logistic regression models were used to identify factors associated with being for or against cannabis legalization. RESULTS In total, 413 psychiatrists answered the survey, of whom 253 (61.3%) declared being in favour of recreational cannabis, and 349 (84.4%) of medical cannabis. Being in favour of legalization of recreational cannabis was negatively associated with being female (odd ratio [OR]=0.61; 95% confidence interval [CI]=0.41-0.93), and with the frequency of meeting patients with cannabis use disorder (OR=0.60; 95%CI=0.43-0.83). Most respondents were concerned about the development of psychotic disorders. The most frequent pro-legalization arguments were improved prevention, better control of product content, and better protection of youth, respectively. Arguments against legalization were increased societal damages, increased impact on health, including mental health. CONCLUSIONS A majority of French psychiatrists were in favour of the marketing of medical cannabis, and, to a lesser extent, the legalization of recreational cannabis. For recreational cannabis, the proportion of pro-legalization psychiatrists was slightly more elevated than that found in the French general population.
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Affiliation(s)
- Léa Leclerc
- Service universitaire d'addictologie de Lyon (SUAL), hospices civils de Lyon, pavillon K, hôpital Édouard-Herriot, 5, place d'Arsonval, 69003 Lyon, France.
| | - Eric Fakra
- Service de psychiatrie, CHU Saint-Étienne, université Jean-Monnet, Saint-Étienne, France; PSYR2, CRNL, CNRS UMR5292, Inserm U1028, UCBL1, université de Lyon, Bron, France
| | - Baptiste Pignon
- AP-HP, hôpitaux universitaires « H. Mondor », DMU IMPACT, Inserm, IMRB, Translational Neuropsychiatry, Fondation FondaMental, université Paris-Est-Créteil (UPEC), 94010 Créteil, France
| | - Amine Benyamina
- Centre d'enseignement, de recherche et de traitement des addictions, hôpital universitaire Paul-Brousse (AP-HP), université Paris- Saclay, France UR PSYCOMADD, Villejuif, France
| | - Raphaël Gaillard
- Inserm, UMR S894, Paris Cité University and Sorbonne University, Paris, France; Centre hospitalier Sainte-Anne, Paris, France; Centre de psychiatrie et neurosciences, Paris, France
| | - Benjamin Rolland
- Service universitaire d'addictologie de Lyon (SUAL), hospices civils de Lyon, pavillon K, hôpital Édouard-Herriot, 5, place d'Arsonval, 69003 Lyon, France; PSYR2, CRNL, CNRS UMR5292, Inserm U1028, UCBL1, université de Lyon, Bron, France
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20
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Wilson J, Mills KL, Sunderland M, Freeman TP, Teesson M, Haber PS, Marel C. The Long-Term Relationship Between Cannabis and Heroin Use: An 18- to 20-year Follow-Up of the Australian Treatment Outcome Study (ATOS). Am J Psychiatry 2024; 181:135-143. [PMID: 38018142 DOI: 10.1176/appi.ajp.20230088] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
OBJECTIVE Cannabis use is common among individuals with opioid use disorder, but it remains unclear whether cannabis use is associated with an increase or a reduction in illicit opioid use. To overcome limitations identified in previous longitudinal studies with limited follow-ups, the authors examined a within-person reciprocal relationship between cannabis and heroin use at several follow-ups over 18 to 20 years. METHODS The Australian Treatment Outcome Study (ATOS) recruited 615 people with heroin dependence in 2001 and 2002 and reinterviewed them at 3, 12, 24, and 36 months as well as 11 and 18-20 years after baseline. Heroin and cannabis use were assessed at each time point using the Opiate Treatment Index. A random-intercept cross-lagged panel model analysis was conducted to identify within-person relationships between cannabis use and heroin use at subsequent follow-ups. RESULTS After accounting for a range of demographic variables, other substance use, and mental and physical health measures, an increase in cannabis use 24 months after baseline was significantly associated with an increase in heroin use at 36 months (estimate=0.21, SE=0.10). Additionally, an increase in heroin use at 3 months and 24 months was significantly associated with a decrease in cannabis use at 12 months (estimate=-0.27, SE=0.09) and 36 months (estimate=-0.22, SE=0.08). All other cross-lagged associations were not significant. CONCLUSIONS Although there was some evidence of a significant relationship between cannabis and heroin use at earlier follow-ups, this was sparse and inconsistent across time points. Overall, there was insufficient evidence to suggest a unidirectional or bidirectional relationship between the use of these substances.
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Affiliation(s)
- Jack Wilson
- Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, Australia (Wilson, Mills, Sunderland, Teesson, Marel); Addiction and Mental Health Group, University of Bath, Bath, U.K. (Freeman); Sydney Medical School, University of Sydney, Sydney, Australia (Haber); Drug Health Services, Royal Prince Alfred Hospital, Camperdown, Australia (Haber)
| | - Katherine L Mills
- Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, Australia (Wilson, Mills, Sunderland, Teesson, Marel); Addiction and Mental Health Group, University of Bath, Bath, U.K. (Freeman); Sydney Medical School, University of Sydney, Sydney, Australia (Haber); Drug Health Services, Royal Prince Alfred Hospital, Camperdown, Australia (Haber)
| | - Matthew Sunderland
- Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, Australia (Wilson, Mills, Sunderland, Teesson, Marel); Addiction and Mental Health Group, University of Bath, Bath, U.K. (Freeman); Sydney Medical School, University of Sydney, Sydney, Australia (Haber); Drug Health Services, Royal Prince Alfred Hospital, Camperdown, Australia (Haber)
| | - Tom P Freeman
- Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, Australia (Wilson, Mills, Sunderland, Teesson, Marel); Addiction and Mental Health Group, University of Bath, Bath, U.K. (Freeman); Sydney Medical School, University of Sydney, Sydney, Australia (Haber); Drug Health Services, Royal Prince Alfred Hospital, Camperdown, Australia (Haber)
| | - Maree Teesson
- Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, Australia (Wilson, Mills, Sunderland, Teesson, Marel); Addiction and Mental Health Group, University of Bath, Bath, U.K. (Freeman); Sydney Medical School, University of Sydney, Sydney, Australia (Haber); Drug Health Services, Royal Prince Alfred Hospital, Camperdown, Australia (Haber)
| | - Paul S Haber
- Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, Australia (Wilson, Mills, Sunderland, Teesson, Marel); Addiction and Mental Health Group, University of Bath, Bath, U.K. (Freeman); Sydney Medical School, University of Sydney, Sydney, Australia (Haber); Drug Health Services, Royal Prince Alfred Hospital, Camperdown, Australia (Haber)
| | - Christina Marel
- Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, Australia (Wilson, Mills, Sunderland, Teesson, Marel); Addiction and Mental Health Group, University of Bath, Bath, U.K. (Freeman); Sydney Medical School, University of Sydney, Sydney, Australia (Haber); Drug Health Services, Royal Prince Alfred Hospital, Camperdown, Australia (Haber)
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21
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Chester LA, Englund A, Chesney E, Oliver D, Wilson J, Sovi S, Dickens AM, Oresic M, Linderman T, Hodsoll J, Minichino A, Strang J, Murray RM, Freeman TP, McGuire P. Effects of Cannabidiol and Delta-9-Tetrahydrocannabinol on Plasma Endocannabinoid Levels in Healthy Volunteers: A Randomized Double-Blind Four-Arm Crossover Study. Cannabis Cannabinoid Res 2024; 9:188-198. [PMID: 36493386 PMCID: PMC10874814 DOI: 10.1089/can.2022.0174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background: The effects of cannabis are thought to be mediated by interactions between its constituents and the endocannabinoid system. Delta-9-tetrahydrocannabinol (THC) binds to central cannabinoid receptors, while cannabidiol (CBD) may influence endocannabinoid function without directly acting on cannabinoid receptors. We examined the effects of THC coadministered with different doses of CBD on plasma levels of endocannabinoids in healthy volunteers. Methods: In a randomized, double-blind, four-arm crossover study, healthy volunteers (n=46) inhaled cannabis vapor containing 10 mg THC plus either 0, 10, 20, or 30 mg CBD, in four experimental sessions. The median time between sessions was 14 days (IQR=20). Blood samples were taken precannabis inhalation and at 0-, 5-, 15-, and 90-min postinhalation. Plasma concentrations of THC, CBD, anandamide, 2-arachidonoylglycerol (2-AG), and related noncannabinoid lipids were measured using liquid chromatography-mass spectrometry. Results: Administration of cannabis induced acute increases in plasma concentrations of anandamide (+18.0%, 0.042 ng/mL [95%CI: 0.023-0.062]), and the noncannabinoid ethanolamides, docosatetraenylethanolamide (DEA; +35.8%, 0.012 ng/mL [95%CI: 0.008-0.016]), oleoylethanolamide (+16.1%, 0.184 ng/mL [95%CI: 0.076-0.293]), and N-arachidonoyl-L-serine (+25.1%, 0.011 ng/mL [95%CI: 0.004-0.017]) (p<0.05). CBD had no significant effect on the plasma concentration of anandamide, 2-AG or related noncannabinoid lipids at any of three doses used. Over the four sessions, there were progressive decreases in the preinhalation concentrations of anandamide and DEA, from 0.254 ng/mL [95%CI: 0.223-0.286] to 0.194 ng/mL [95%CI: 0.163-0.226], and from 0.039 ng/mL [95%CI: 0.032-0.045] to 0.027 ng/mL [95%CI: 0.020-0.034] (p<0.05), respectively. Discussion: THC induced acute increases in plasma levels of anandamide and noncannabinoid ethanolamides, but there was no evidence that these effects were influenced by the coadministration of CBD. It is possible that such effects may be evident with higher doses of CBD or after chronic administration. The progressive reduction in pretreatment anandamide and DEA levels across sessions may be related to repeated exposure to THC or participants becoming less anxious about the testing procedure and requires further investigation. The study was registered on clinicaltrials.gov (NCT05170217).
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Affiliation(s)
- Lucy A. Chester
- Department of Psychosis Studies and Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Amir Englund
- National Addiction Centre (NAC), Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Edward Chesney
- Department of Psychosis Studies and Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Dominic Oliver
- Department of Psychosis Studies and Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- Department of Psychiatry, Oxford University, Warneford Hospital, Oxford, United Kingdom
| | - Jack Wilson
- The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, New South Wales, Australia
| | - Simina Sovi
- Department of Psychosis Studies and Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Alex M. Dickens
- Turku Bioscience Center, University of Turku and Åbo Akademi University, Turku, Finland
- Department of Chemistry, University of Turku, Turku, Finland
| | - Matej Oresic
- Turku Bioscience Center, University of Turku and Åbo Akademi University, Turku, Finland
- School of Medical Sciences, Örebro University, Örebro, Sweden
| | - Tuomas Linderman
- Turku Bioscience Center, University of Turku and Åbo Akademi University, Turku, Finland
| | - John Hodsoll
- Department of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Amedeo Minichino
- Department of Psychosis Studies and Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- Department of Psychiatry, Oxford University, Warneford Hospital, Oxford, United Kingdom
| | - John Strang
- National Addiction Centre (NAC), Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Robin M. Murray
- Department of Psychosis Studies and Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Tom P. Freeman
- Department of Psychology, University of Bath, Bath, United Kingdom
| | - Philip McGuire
- Department of Psychosis Studies and Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- Department of Psychiatry, Oxford University, Warneford Hospital, Oxford, United Kingdom
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22
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Gibson LP, Mueller RL, Winiger EA, Klawitter J, Sempio C, Williams S, Bryan AD, Bidwell LC, Hutchison KE. Cannabinoid Exposure and Subjective Effects of THC and CBD in Edible Cannabis Products. Cannabis Cannabinoid Res 2024; 9:320-334. [PMID: 36378267 PMCID: PMC10874820 DOI: 10.1089/can.2022.0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: The popularity of edible cannabis products continues to grow in states with legal cannabis access, but few studies have investigated the acute effects of these commercially available products. The present study sought to explore the effects of three commercially available edible products with different levels of delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD). Methods: A sample of regular cannabis users (N=99) were evaluated. Fifty participants completed the study procedures in-person, whereas 49 participants completed the study procedures remotely via Zoom. Subjective effects and plasma cannabinoid levels (in-person participants only) were assessed before and 2 h after participants self-administered one of three products ad libitum: a THC-dominant edible product, a CBD-dominant edible product, or a THC+CBD edible product. Results: At the 2-h post-use assessment, among in-person participants, plasma THC and CBD levels were robustly correlated with self-reported milligrams of THC and CBD consumed, respectively. Across all three conditions, in-person and remote participants experienced (1) an increase in subjective intoxication and elation, (2) a decrease in tension, and (3) no change in paranoia from pre-use to post-use. At post-use, participants who used a CBD product reported less intoxication relative to participants who used a THC+CBD or THC-only product. Participants who used a THC+CBD product reported consuming less THC-and displayed lower plasma THC levels (in-person participants)-relative to participants who used a THC-only product, despite reporting similar levels of positive (intoxication, elation, liking) and psychotomimetic (paranoia, tension) effects. Psychotomimetic effects were very low among both in-person and remote participants across all three conditions, and there were no post-use differences across conditions. Conclusions: Findings suggest that experienced users who consumed a THC+CBD product reported similar levels of positive and psychotomimetic effects relative to those who consumed a THC-only product, despite consuming less THC and displaying lower plasma THC concentrations. Given the potential harms associated with acute cannabis reward and long-term THC exposure, further research is needed to establish whether edible cannabis products with CBD pose less risk to users. Future studies should examine whether these effects generalize to samples of infrequent users, who may have less experience with edible cannabis use. ClinicalTrials.gov ID: NCT03522103.
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Affiliation(s)
- Laurel P. Gibson
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, Colorado, USA
| | - Raeghan L. Mueller
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, Colorado, USA
| | - Evan A. Winiger
- Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Jost Klawitter
- Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Institute of Cognitive Science, University of Colorado Boulder, Boulder, Colorado, USA
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA
| | - Cristina Sempio
- Department of Anesthesiology, University of Colorado, Aurora, Colorado, USA
| | - Sarah Williams
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, Colorado, USA
| | - Angela D. Bryan
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, Colorado, USA
| | - L. Cinnamon Bidwell
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, Colorado, USA
- Institute of Cognitive Science, University of Colorado Boulder, Boulder, Colorado, USA
| | - Kent E. Hutchison
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, Colorado, USA
- Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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23
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McCauley DM, Baiocchi M, Gaiha SM, Halpern-Felsher B. Sociodemographic differences in use of nicotine, cannabis, and non-nicotine E-cigarette devices. Drug Alcohol Depend 2024; 255:111061. [PMID: 38134543 PMCID: PMC10949227 DOI: 10.1016/j.drugalcdep.2023.111061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 12/05/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND Sociodemographic differences in e-cigarette use have been documented; however, disparities in use of specific e-cigarette types with various ingredients have yet to be thoroughly investigated. This study examines ever- and past-30-day-use of nicotine, cannabis, and non-nicotine e-cigarette device types by sex, sexual orientation, race/ethnicity, and financial comfort. METHODS Data were drawn from a 2021 national cross-sectional survey of adolescents, young adults, and adults (N = 6131, ages 13-40 years old). Participants reported ever and past-30-day-use of (1) disposable nicotine e-cigarettes, (2) pod/cartridge-based nicotine e-cigarettes, (3) "other" nicotine e-cigarettes, (4) non-nicotine e-cigarettes, (5) e-cigarettes with THC, and (6) e-cigarettes with CBD. We constructed summary tables for each e-cigarette device type in which percentages of ever and past-30-day-use were calculated by birth year category and sociodemographic variables: (a) sex, (b) sexual orientation, (c) race/ethnicity, and (d) financial comfort. RESULTS Females born between 1996 and 2008 reported higher rates of past-30-day disposable e-cigarette use relative to males (females 26.4%; males 22.4%). Compared to their heterosexual counterparts, LGBTQ+ participants reported higher overall rates of past-30-day-use for disposable (LGBTQ+ 27.9%; Heterosexual 23.8%), THC (LGBTQ+ 30.8%; Heterosexual 24.1%), and CBD e-cigarettes (LGBTQ+ 20.0%; Heterosexual 16.9%). Hispanic/Latino participants generally reported higher rates of past-30-day-use across device types relative to those identifying as Black or White non-Hispanic, particularly disposable nicotine e-cigarettes. CONCLUSIONS Findings highlight sociodemographic disparities in e-cigarette use, though differences varied based on e-cigarette device type and participant birth year category. Tailored preventive efforts may be necessary to mitigate e-cigarette use among populations at highest risk.
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Affiliation(s)
- Devin Malloy McCauley
- REACH Lab, Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, CA, 94304, United States
| | - Michael Baiocchi
- Department of Epidemiology and Population Health, Stanford University, Palo Alto, CA 94304, United States
| | - Shivani Mathur Gaiha
- REACH Lab, Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, CA, 94304, United States
| | - Bonnie Halpern-Felsher
- REACH Lab, Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, CA, 94304, United States.
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24
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Oliver D, Englund A, Chesney E, Chester L, Wilson J, Sovi S, Wigroth S, Hodsoll J, Strang J, Murray RM, Freeman TP, Fusar‐Poli P, McGuire P. Cannabidiol does not attenuate acute delta-9-tetrahydrocannabinol-induced attentional bias in healthy volunteers: A randomised, double-blind, cross-over study. Addiction 2024; 119:322-333. [PMID: 37821096 PMCID: PMC10952555 DOI: 10.1111/add.16353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 08/30/2023] [Indexed: 10/13/2023]
Abstract
AIMS To test how attentional bias and explicit liking are influenced by delta-9-tetrahydrocannabinol (THC) and whether these effects are moderated by cannabidiol (CBD). DESIGN Double-blind, randomised, within-subjects cross-over study. SETTING NIHR Wellcome Trust Clinical Research Facility at King's College Hospital, London, United Kingdom. PARTICIPANTS/CASES Forty-six infrequent cannabis users (cannabis use <1 per week). INTERVENTION(S) Across four sessions, participants inhaled vaporised cannabis containing 10 mg of THC and either 0 mg (0:1 CBD:THC), 10 mg (1:1), 20 mg (2:1) or 30 mg (3:1) of CBD, administered in a randomised order and counter-balanced across participants (a total of 24 order groups). MEASUREMENTS Participants completed two tasks: (1) Attentional Bias (AB), comparing reaction times toward visual probes presented behind 28 target stimuli (cannabis/food) compared with probes behind corresponding non-target (neutral) stimuli. Participants responding more quickly to probes behind target than non-target stimuli would indicate greater attentional bias to cannabis/food; (2) Picture Rating (PR), where all AB stimuli were rated on a 7-point pleasantness scale, measuring explicit liking. FINDINGS During the AB task, participants were more biased toward cannabis stimuli in the 0:1 condition compared with baseline (mean difference = 12.2, 95% confidence intervals [CIs] = 1.20-23.3, d = 0.41, P = 0.03). No other significant AB or PR differences were found between cannabis and food stimuli between baseline and 0:1 condition (P > 0.05). No significant CBD effect was found on AB or PR task performance at any dose (P > 0.05). There was additionally no cumulative effect of THC exposure on AB or PR outcomes (P > 0.05). CONCLUSIONS A double-blind, randomised, cross-over study among infrequent cannabis users found that inhaled delta-9-tetrahydrocannabinol increased attentional bias toward cannabis in the absence of explicit liking, a marker of liability toward cannabis use disorder. At the concentrations normally found in legal and illegal cannabis, cannabidiol had no influence on this effect.
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Affiliation(s)
- Dominic Oliver
- Department of PsychiatryUniversity of OxfordOxfordUK
- NIHR Oxford Health Biomedical Research CentreOxfordUK
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
| | - Amir Englund
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
- Addictions Department, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
| | - Edward Chesney
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
| | - Lucy Chester
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
- Laboratoire Didier Jutras‐AswadCentre de Recherche du Centre hospitalier de l'Université de MontréalMontréalQCCanada
| | - Jack Wilson
- The Matilda Centre for Research in Mental Health and Substance Use, Level 6, Jane Foss Russell Building, G02The University of SydneyNSWAustralia
| | - Simina Sovi
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
| | - Stina Wigroth
- Addictions Department, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
| | - John Hodsoll
- Department of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
| | - John Strang
- Addictions Department, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
- South London and the Maudsley National Health Service Foundation TrustLondonUK
| | - Robin M. Murray
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
| | - Tom P. Freeman
- Addictions Department, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
- Department of PsychologyUniversity of BathBathUK
| | - Paolo Fusar‐Poli
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and NeuroscienceKing's College LondonLondonUK
- South London and the Maudsley National Health Service Foundation TrustLondonUK
- Department of Brain and Behavioural SciencesUniversity of PaviaPaviaItaly
- Department of Psychiatry and PsychotherapyLudwig‐Maximilian‐University MunichMunichGermany
| | - Philip McGuire
- Department of PsychiatryUniversity of OxfordOxfordUK
- NIHR Oxford Health Biomedical Research CentreOxfordUK
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25
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McDonald AJ, Kurdyak P, Rehm J, Roerecke M, Bondy SJ. Youth cannabis use and subsequent health service use for mood and anxiety disorders: A population-based cohort study. Psychiatry Res 2024; 332:115694. [PMID: 38176165 DOI: 10.1016/j.psychres.2023.115694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 12/16/2023] [Accepted: 12/24/2023] [Indexed: 01/06/2024]
Abstract
Epidemiologic research suggests a modest association between youth cannabis use and mood and anxiety disorders (MADs). However, current evidence is based mostly on cohort studies using data from the 20th century when cannabis was significantly less potent than today. We linked population-based survey data from 2009 to 2012 with administrative records of health services covered under universal healthcare up to 2017. The cohort included youth aged 12 to 24 years at baseline living in Ontario, Canada with no prior MAD health service use (n = 8,252). We conducted a multivariable Cox model to estimate the association between cannabis use frequency (never,
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Affiliation(s)
- André J McDonald
- Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Peter Boris Centre for Addictions Research, St. Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada; Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada; Michael G. DeGroote Centre for Medicinal Cannabis Research, McMaster University, Hamilton, Ontario, Canada.
| | - Paul Kurdyak
- Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada; ICES, Toronto, Ontario, Canada; Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Jürgen Rehm
- Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Institute of Clinical Psychology and Psychotherapy, Technische Universität Dresden, Dresden, Germany; Department of Psychiatry and Psychotherapy, Centre for Interdisciplinary Addiction Research (ZIS), University Medical Centre Hamburg-Eppendorf, Hamburg, Germany; Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada; I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
| | - Michael Roerecke
- Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Susan J Bondy
- Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
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26
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English A, Uittenbogaard F, Torrens A, Sarroza D, Slaven AVE, Piomelli D, Bruchas MR, Stella N, Land BB. A preclinical model of THC edibles that produces high-dose cannabimimetic responses. eLife 2024; 12:RP89867. [PMID: 38214701 PMCID: PMC10945583 DOI: 10.7554/elife.89867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024] Open
Abstract
No preclinical experimental approach enables the study of voluntary oral consumption of high-concentration Δ9-tetrahydrocannabinol (THC) and its intoxicating effects, mainly owing to the aversive response of rodents to THC that limits intake. Here, we developed a palatable THC formulation and an optimized access paradigm in mice to drive voluntary consumption. THC was formulated in chocolate gelatin (THC-E-gel). Adult male and female mice were allowed ad libitum access for 1 and 2 hr. Cannabimimetic responses (hypolocomotion, analgesia, and hypothermia) were measured following access. Levels of THC and its metabolites were measured in blood and brain tissue. Acute acoustic startle responses were measured to investigate THC-induced psychotomimetic behavior. When allowed access for 2 hr to THC-E-gel on the second day of a 3-day exposure paradigm, adult mice consumed up to ≈30 mg/kg over 2 hr, which resulted in robust cannabimimetic behavioral responses (hypolocomotion, analgesia, and hypothermia). Consumption of the same gelatin decreased on the following third day of exposure. Pharmacokinetic analysis shows that THC-E-gel consumption led to parallel accumulation of THC and its psychoactive metabolite, 11-OH-THC, in the brain, a profile that contrasts with the known rapid decline in brain 11-OH-THC levels following THC intraperitoneal (i.p.) injections. THC-E-gel consumption increased the acoustic startle response in males but not in females, demonstrating a sex-dependent effect of consumption. Thus, while voluntary consumption of THC-E-gel triggered equivalent cannabimimetic responses in male and female mice, it potentiated acoustic startle responses preferentially in males. We built a dose-prediction model that included cannabimimetic behavioral responses elicited by i.p. versus THC-E-gel to test the accuracy and generalizability of this experimental approach and found that it closely predicted the measured acoustic startle results in males and females. In summary, THC-E-gel offers a robust preclinical experimental approach to study cannabimimetic responses triggered by voluntary consumption in mice, including sex-dependent psychotomimetic responses.
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Affiliation(s)
- Anthony English
- Departments of Pharmacology, University of WashingtonSeattleUnited States
- UW Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), University of WashingtonSeattleUnited States
- Center for Cannabis Research, University of WashingtonSeattleUnited States
| | - Fleur Uittenbogaard
- Departments of Pharmacology, University of WashingtonSeattleUnited States
- UW Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), University of WashingtonSeattleUnited States
- Center for Cannabis Research, University of WashingtonSeattleUnited States
| | - Alexa Torrens
- Department of Anatomy & Neurobiology, University of California IrvineIrvineUnited States
| | - Dennis Sarroza
- Departments of Pharmacology, University of WashingtonSeattleUnited States
| | - Anna Veronica Elizabeth Slaven
- Departments of Pharmacology, University of WashingtonSeattleUnited States
- UW Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), University of WashingtonSeattleUnited States
| | - Daniele Piomelli
- Department of Anatomy & Neurobiology, University of California IrvineIrvineUnited States
| | - Michael R Bruchas
- Departments of Pharmacology, University of WashingtonSeattleUnited States
- UW Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), University of WashingtonSeattleUnited States
- Center for Cannabis Research, University of WashingtonSeattleUnited States
- Department of Anatomy & Neurobiology, University of California IrvineIrvineUnited States
- Department of Anesthesiology, University of WashingtonSeattleUnited States
| | - Nephi Stella
- Departments of Pharmacology, University of WashingtonSeattleUnited States
- UW Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), University of WashingtonSeattleUnited States
- Center for Cannabis Research, University of WashingtonSeattleUnited States
- Psychiatry & Behavioral Sciences, University of WashingtonSeattleUnited States
| | - Benjamin Bruce Land
- Departments of Pharmacology, University of WashingtonSeattleUnited States
- UW Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), University of WashingtonSeattleUnited States
- Center for Cannabis Research, University of WashingtonSeattleUnited States
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Cohen J, Petitjean H, Blasco MB, Mizrahi R. Cannabis-induced psychotic disorder with onset during withdrawal: a brief report of emerging evidence. Acta Neuropsychiatr 2024:1-5. [PMID: 38200701 DOI: 10.1017/neu.2023.60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
OBJECTIVES The link between cannabis use and psychotic symptoms or disorders is well known. However, the relation between cannabis withdrawal and psychotic symptoms is less studied. METHODS To our knowledge, this is the first publication of an observational systematic report of cannabis-induced psychotic disorder with onset during withdrawal. Here, we review patients presenting to a major emergency room in Montreal between January 2020 and September 2023 in a context of psychotic symptoms following cannabis cessation. RESULTS In total, seven male and one female patients presented at the peak of cannabis withdrawal with acute psychotic symptoms, representing less than 1% of all emergency service admissions. CONCLUSIONS We discuss current knowledge regarding the endocannabinoid system and dopamine homeostasis to formulate hypotheses regarding these observations.
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Affiliation(s)
- Johan Cohen
- Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada
| | | | - M Belen Blasco
- Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada
| | - Romina Mizrahi
- Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
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28
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ElSayed NA, Aleppo G, Bannuru RR, Beverly EA, Bruemmer D, Collins BS, Darville A, Ekhlaspour L, Hassanein M, Hilliard ME, Johnson EL, Khunti K, Lingvay I, Matfin G, McCoy RG, Perry ML, Pilla SJ, Polsky S, Prahalad P, Pratley RE, Segal AR, Seley JJ, Stanton RC, Gabbay RA. 5. Facilitating Positive Health Behaviors and Well-being to Improve Health Outcomes: Standards of Care in Diabetes-2024. Diabetes Care 2024; 47:S77-S110. [PMID: 38078584 PMCID: PMC10725816 DOI: 10.2337/dc24-s005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
The American Diabetes Association (ADA) "Standards of Care in Diabetes" includes the ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, an interprofessional expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence-grading system for ADA's clinical practice recommendations and a full list of Professional Practice Committee members, please refer to Introduction and Methodology. Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC.
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29
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Sahlem GL, Kim B, Baker NL, Wong BL, Caruso MA, Campbell LA, Kaloani I, Sherman BJ, Ford TJ, Musleh AH, Kim JP, Williams NR, Manett AJ, Kratter IH, Short EB, Killeen TK, George MS, McRae-Clark AL. A preliminary randomized controlled trial of repetitive transcranial magnetic stimulation applied to the left dorsolateral prefrontal cortex in treatment seeking participants with cannabis use disorder. Drug Alcohol Depend 2024; 254:111035. [PMID: 38043228 PMCID: PMC10837319 DOI: 10.1016/j.drugalcdep.2023.111035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 12/05/2023]
Abstract
BACKGROUND Cannabis use disorder (CUD) is a common and consequential disorder. When applied to the dorsolateral prefrontal cortex (DLPFC), repetitive transcranial magnetic stimulation (rTMS) reduces craving across substance use disorders and may have therapeutic clinical effects when applied in serial-sessions. The present study sought to preliminarily determine whether serial-sessions of rTMS applied to the DLPFC had a therapeutic effect in CUD. METHODS This study was a two-site, phase-2, double-blind, randomized-controlled-trial. Seventy-two treatment-seeking participants (37.5% Women, mean age 30.2±9.9SD) with ≥moderate-CUD were randomized to active or sham rTMS (Beam-F3, 10Hz, 20-total-sessions, two-sessions-per-visit, two-visits-per-week, with cannabis cues) while undergoing a three-session motivational enhancement therapy intervention. The primary outcome was the change in craving between pre- and post- treatment (Marijuana Craving Questionnaire Short-Form-MCQ-SF). Secondary outcomes included the number of weeks of abstinence and the number of days-per-week of cannabis use during 4-weeks of follow-up. RESULTS There were no significant differences in craving between conditions. Participants who received active-rTMS reported numerically, but not significantly, more weeks of abstinence in the follow-up period than those who received sham-rTMS (15.5%-Active; 9.3%-Sham; rate ratio = 1.66 [95% CI: 0.84, 3.28]; p=0.14). Participants who received active-rTMS reported fewer days-per-week of cannabis use over the final two-weeks of the follow-up period than those receiving sham-rTMS (Active vs. Sham: -0.72; Z=-2.33, p=0.02). CONCLUSIONS This trial suggests rTMS is safe and feasible in individuals with CUD and may have a therapeutic effect on frequency of cannabis use, though further study is needed with additional rTMS-sessions and a longer follow-up period.
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Affiliation(s)
- Gregory L Sahlem
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA.
| | - Bohye Kim
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA
| | - Nathaniel L Baker
- Departments of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Brendan L Wong
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA
| | - Margaret A Caruso
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Lauren A Campbell
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Irakli Kaloani
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA
| | - Brian J Sherman
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Tiffany J Ford
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA
| | - Ahmad H Musleh
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA
| | - Jane P Kim
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA
| | - Nolan R Williams
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA
| | - Andrew J Manett
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Ian H Kratter
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA, USA
| | - Edward B Short
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Terese K Killeen
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Mark S George
- Departments of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA; Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC, USA
| | - Aimee L McRae-Clark
- Departments of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA; Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC, USA
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McDuff DR, Garvin M, Joy Chang, Thompson D. Substance Misuse in Elite Athletes: Early Detection, Brief Intervention and Referral to Treatment. Clin Sports Med 2024; 43:127-144. [PMID: 37949506 DOI: 10.1016/j.csm.2023.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Sports medicine physicians and athletic trainers regularly encounter athletes who misuse substances that put them at risk for adverse health, social, interpersonal, academic, psychological, and performance effects. The three most encountered substances are alcohol (binge drinking), cannabis (marijuana), and tobacco/nicotine vaping. Early detection using self-report screening instruments, adverse consequences questionnaires, and urine testing are reviewed. Brief interventions that involve personalized feedback, goal setting, support system involvement, psychoeducation, contingency management, and/or motivational interviewing are highlighted. Lack of response to brief intervention or progression to a substance use disorder should prompt the consideration of referral to a substance specialty level of care.
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Affiliation(s)
- David R McDuff
- Department of Psychiatry, University of Maryland School of Medicine, 110 South Paca Street - 4th Floor, Baltimore, MD 21201, USA; Baltimore Orioles, Major League Baseball, 333 West Camden Street, Oriole Park at Camden Yards, Baltimore, MD 21201, USA; Maryland Centers for Psychiatry, 3290 North Ridge Road, Suite 320, Ellicott City, MD 21043, USA.
| | - Michelle Garvin
- Detroit Lions, National Football League, 222 Republic Drive, Allen Park, MI 48101, USA; Elite Performance Psychology, LLC, 205 Warrenton Drive, Silver Spring, MD 20904, USA
| | - Joy Chang
- Department of Psychiatry, University of Maryland School of Medicine, 110 South Paca Street - 4th Floor, Baltimore, MD 21201, USA; University of Maryland, College Park, 8500 Paint Branch Drive, XFINITY Center, Room 2707, College Park, MD 20742, USA
| | - Donald Thompson
- Department of Psychiatry, University of Maryland School of Medicine, 110 South Paca Street - 4th Floor, Baltimore, MD 21201, USA; Baltimore Orioles, Major League Baseball, 333 West Camden Street, Oriole Park at Camden Yards, Baltimore, MD 21201, USA
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31
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Affiliation(s)
- David A Gorelick
- From the Department of Psychiatry and Maryland Psychiatric Research Center, University of Maryland School of Medicine, Baltimore
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32
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Bero L, Lawrence R, Oberste JP, Li T, Leslie L, Rittiphairoj T, Piper C, Wang GS, Brooks-Russell A, Yim TW, Tung G, Samet JM. Health Effects of High-Concentration Cannabis Products: Scoping Review and Evidence Map. Am J Public Health 2023; 113:1332-1342. [PMID: 37939329 PMCID: PMC10632847 DOI: 10.2105/ajph.2023.307414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2023] [Indexed: 11/10/2023]
Abstract
Background. The concentration of pharmacologically active tetrahydrocannabinol (THC) in cannabis products has been increasing over the past decade. Concerns about potential harmful health effects of using these increasingly higher-concentration products have led some states to consider regulation of cannabis product THC concentration. We conducted a scoping review of health effects of high-concentration cannabis products to inform policy on whether the THC concentrations of cannabis product should be regulated or limited. Objectives. We conducted a scoping review to (1) identify and describe human studies that explore the relationship of high-concentration cannabis products with any health outcomes in the literature and (2) create an interactive evidence map of the included studies to facilitate further analyses. Search Methods. An experienced medical information specialist designed a comprehensive search strategy of 7 electronic databases. Selection Criteria. We included human studies of any epidemiological design with no restrictions by age, sex, health status, country, or outcome measured that reported THC concentration or included a known high-concentration cannabis product. Data Collection and Analysis. We imported search results into Distiller SR, and trained coders conducted artificial intelligence‒assisted screening. We developed, piloted, and revised data abstraction forms. One person performed data abstraction, and a senior reviewer verified a subset. We provide a tabular description of study characteristics, including exposures and outcomes measured, for each included study. We interrogated the evidence map published in Tableau to answer specific questions and provide the results as text and visual displays. Main Results. We included 452 studies in the scoping review and evidence map. There was incomplete reporting of exposure characteristics including THC concentration, duration and frequency of use, and products used. The evidence map shows considerable heterogeneity among studies in exposures, outcomes, and populations studied. A limited number of reports provided data that would facilitate further quantitative synthesis of the results across studies. Conclusions. This scoping review and evidence map support strong conclusions concerning the utility of the literature for characterizing risks and benefits of the current cannabis marketplace and the research approaches followed in the studies identified. Relevance of the studies to today's products is limited. Public Health Implications. High-quality evidence to address the policy question of whether the THC concentration of cannabis products should be regulated is scarce. The publicly available interactive evidence map is a timely resource for other entities concerned with burgeoning access to high-concentration cannabis. (Am J Public Health. 2023;113(12):1332-1342. https://doi.org/10.2105/AJPH.2023.307414).
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Affiliation(s)
- Lisa Bero
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Rosa Lawrence
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Jean-Pierre Oberste
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Tianjing Li
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Louis Leslie
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Thanitsara Rittiphairoj
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Christi Piper
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - George Sam Wang
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Ashley Brooks-Russell
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Tsz Wing Yim
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Gregory Tung
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
| | - Jonathan M Samet
- Lisa Bero and Rosa Lawrence are with the Department of General Internal Medicine, Center for Bioethics and Humanities, University of Colorado, Anschutz Medical Campus, Aurora. Jean-Pierre Oberste, Tianjing Li, Louis Leslie, and Tsz Wing Yim are with Department of Ophthalmology, University of Colorado, Anschutz Medical Campus. Thanitsara Rittiphairoj is with Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD. Christi Piper is with Strauss Health Sciences Library, University of Colorado, Anschutz Medical Campus. George Sam Wang is with Department of Pediatrics, Children's Hospital Colorado, University of Colorado, Anschutz Medical Campus. Ashley Brooks-Russell is with Department of Community and Behavioral Health, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Gregory Tung is with Department of Epidemiology, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus. Jonathan M. Samet is with Office of the Dean, Colorado School of Public Health, University of Colorado, Anschutz Medical Campus
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Adams ZW, Marriott BR, Hulvershorn LA, Hinckley JD. Treatment of Adolescent Cannabis Use Disorders. Psychiatr Clin North Am 2023; 46:775-788. [PMID: 37879838 DOI: 10.1016/j.psc.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
This review summarizes treatments for cannabis use disorder (CUD) in adolescents. The best supported CUD treatments are cognitive behavioral psychotherapies, including family-based models that facilitate environmental changes and youth-focused models that incorporate skills training, motivational interviewing, and contingency management to promote reductions in cannabis use. Some medications show promise in reducing cannabis craving and withdrawal symptoms. Further research is needed on the efficacy and implementation of existing treatments given the changes in cannabis use trends over time and on emerging technologies that may expand access to evidence-based CUD treatments.
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Affiliation(s)
- Zachary W Adams
- Department of Psychiatry, Indiana University School of Medicine, 410 West 10th Street, Suite 2000, Indianapolis, IN 46202, USA.
| | - Brigid R Marriott
- Department of Psychiatry, Indiana University School of Medicine, 410 West 10th Street, Suite 2000, Indianapolis, IN 46202, USA
| | - Leslie A Hulvershorn
- Department of Psychiatry, Indiana University School of Medicine, 1002 Wishard Boulevard, Suite 4110, Indianapolis, IN 46202, USA
| | - Jesse D Hinckley
- Department of Psychiatry, University of Colorado School of Medicine, 13001 East 17th Place, MS-F546, Aurora, CO 80045, USA. https://twitter.com/JHinckleyMDPhD
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Spinazzola E, Quattrone D, Rodriguez V, Trotta G, Alameda L, Tripoli G, Gayer-Anderson C, Freeman TP, Johnson EC, Jongsma HE, Stilo S, La Cascia C, Ferraro L, La Barbera D, Lasalvia A, Tosato S, Tarricone I, D'Andrea G, Galatolo M, Tortelli A, Tagliabue I, Turco M, Pompili M, Selten JP, de Haan L, Rossi Menezes P, Del Ben CM, Santos JL, Arrojo M, Bobes J, Sanjuán J, Bernardo M, Arango C, Kirkbride JB, Jones PB, O'Donovan M, Rutten BP, Van Os J, Morgan C, Sham PC, Austin-Zimmerman I, Li Z, Vassos E, Murray RM, Di Forti M. The association between reasons for first using cannabis, later pattern of use, and risk of first-episode psychosis: the EU-GEI case-control study. Psychol Med 2023; 53:7418-7427. [PMID: 37129249 PMCID: PMC10719678 DOI: 10.1017/s0033291723001071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 01/23/2023] [Accepted: 04/03/2023] [Indexed: 05/03/2023]
Abstract
BACKGROUND While cannabis use is a well-established risk factor for psychosis, little is known about any association between reasons for first using cannabis (RFUC) and later patterns of use and risk of psychosis. METHODS We used data from 11 sites of the multicentre European Gene-Environment Interaction (EU-GEI) case-control study. 558 first-episode psychosis patients (FEPp) and 567 population controls who had used cannabis and reported their RFUC.We ran logistic regressions to examine whether RFUC were associated with first-episode psychosis (FEP) case-control status. Path analysis then examined the relationship between RFUC, subsequent patterns of cannabis use, and case-control status. RESULTS Controls (86.1%) and FEPp (75.63%) were most likely to report 'because of friends' as their most common RFUC. However, 20.1% of FEPp compared to 5.8% of controls reported: 'to feel better' as their RFUC (χ2 = 50.97; p < 0.001). RFUC 'to feel better' was associated with being a FEPp (OR 1.74; 95% CI 1.03-2.95) while RFUC 'with friends' was associated with being a control (OR 0.56; 95% CI 0.37-0.83). The path model indicated an association between RFUC 'to feel better' with heavy cannabis use and with FEPp-control status. CONCLUSIONS Both FEPp and controls usually started using cannabis with their friends, but more patients than controls had begun to use 'to feel better'. People who reported their reason for first using cannabis to 'feel better' were more likely to progress to heavy use and develop a psychotic disorder than those reporting 'because of friends'.
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Affiliation(s)
- Edoardo Spinazzola
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
| | - Diego Quattrone
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, UK
- National Institute for Health Research, Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King's College, London, UK
- South London and Maudsley NHS Mental Health Foundation Trust, London, UK
| | - Victoria Rodriguez
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
| | - Giulia Trotta
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, UK
| | - Luis Alameda
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
- Service of General Psychiatry, Treatment and Early Intervention in Psychosis Program, Lausanne, University Hospital (CHUV), Lausanne, Switzerland
- Centro Investigacion Biomedica en Red de Salud Mental (CIBERSAM); Instituto de Biomedicina de Sevilla (IBIS), Hospital Universitario Virgen del Rocio, Departamento de Psiquiatria, Universidad de Sevilla, Sevilla, Spain
| | - Giada Tripoli
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
- Biomedicine, Neuroscience and Advanced Diagnostic Department, Psychiatry Section, University of Palermo, Palermo, Italy
| | - Charlotte Gayer-Anderson
- Department of Health Service and Population Research, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Tom P Freeman
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
- National Addiction Centre, Institute of Psychiatry, King's College London, London, UK
| | - Emma C Johnson
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
| | - Hannah E Jongsma
- Psylife Group, Division of Psychiatry, University College London, London, UK
| | - Simona Stilo
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
- Department of Mental Health and Addiction Services, ASP Crotone, Crotone, Italy
| | - Caterina La Cascia
- Biomedicine, Neuroscience and Advanced Diagnostic Department, Psychiatry Section, University of Palermo, Palermo, Italy
| | - Laura Ferraro
- Biomedicine, Neuroscience and Advanced Diagnostic Department, Psychiatry Section, University of Palermo, Palermo, Italy
| | - Daniele La Barbera
- Biomedicine, Neuroscience and Advanced Diagnostic Department, Psychiatry Section, University of Palermo, Palermo, Italy
| | - Antonio Lasalvia
- Section of Psychiatry, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Sarah Tosato
- Section of Psychiatry, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Ilaria Tarricone
- Department of Medical and Surgical Science, Psychiatry Unit, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Giuseppe D'Andrea
- Department of Medical and Surgical Science, Psychiatry Unit, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Michela Galatolo
- Department of Medical and Surgical Science, Psychiatry Unit, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Andrea Tortelli
- Institut Mondor de recherché biomedicale, Creteil, France
- Etablissement Public de Sante Maison Blanche, Paris, France
| | - Ilaria Tagliabue
- Department of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
- Department of Mental Health and Addiction Services, ASST Lecco, Lecco, Italy
| | - Marco Turco
- Department of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
| | - Maurizio Pompili
- Department of Neurosciences, Mental Health and Sensory Organs, Suicide Prevention Center, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - Jean-Paul Selten
- Rivierduinen Institute for Mental Health Care, Leiden, The Netherlands
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, South Limburg Mental Health Research and Teaching Network, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Lieuwe de Haan
- Early Psychosis Section, AmsterdamUMC, Academic Medical Centre, University of Amsterdam, Meibergdreef 5, 1105 AZ Amsterdam, The Netherlands
| | - Paulo Rossi Menezes
- Department of Preventive Medicine, Faculdade de Medicina, Universidade of São Paulo, São Paulo, Brazil
| | - Cristina M Del Ben
- Department of Preventive Medicine, Faculdade de Medicina, Universidade of São Paulo, São Paulo, Brazil
| | - Jose Luis Santos
- Department of Psychiatry, Servicio de Psiquiatría Hospital “Virgen de la Luz”, Cuenca, Spain
| | - Manuel Arrojo
- Department of Psychiatry, Psychiatric Genetic Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago de Compostela, Santiago, Spain
| | - Julio Bobes
- Department of Medicine, Psychiatry Area, School of Medicine, Universidad de Oviedo, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Oviedo, Spain
| | - Julio Sanjuán
- Department of Psychiatry, School of Medicine, Universidad de Valencia, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Valencia, Spain
| | - Miguel Bernardo
- Barcelona Clinic Schizophrenia Unit, Neuroscience Institute, Hospital Clinic of Barcelona, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Biomedical Research Networking Centre in Mental Health (CIBERSAM), Barcelona, Spain
| | - Celso Arango
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry and Mental Health, Hospital General Universitario Gregorio Marañón, School of Medicine, Universidad Complutense, IiSGM, CIBERSAM, Madrid, Spain
| | - James B Kirkbride
- Reader; Psylife Group, Division of Psychiatry, University College London, London, UK
| | - Peter B Jones
- Department of Psychiatry, University of Cambridge, Cambridge, UK
- CAMEO Early Intervention Service, Cambridgeshire & Peterborough NHS Foundation Trust, Cambridge, UK
| | - Michael O'Donovan
- Division of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK
| | - Bart P Rutten
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, South Limburg Mental Health Research and Teaching Network, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Jim Van Os
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
- Rivierduinen Institute for Mental Health Care, Leiden, The Netherlands
- Department Psychiatry, Brain Centre Rudolf Magnus, Utrecht University Medical Centre, Utrecht, The Netherlands
| | - Craig Morgan
- Department of Health Service and Population Research, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Pak C Sham
- Department of Psychiatry, Centre for PanorOmic Sciences, and State Key Laboratory of Brain and Cognitive Sciences, Li KaShing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Isabelle Austin-Zimmerman
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, UK
| | - Zhikun Li
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, UK
| | - Evangelos Vassos
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, UK
| | - EU-GEI WP2 Group
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
| | - Robin M Murray
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
| | - Marta Di Forti
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, UK
- South London and Maudsley NHS Mental Health Foundation Trust, London, UK
- Research Foundation, National Institute for Health Research Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King's College London and the NIHR BRC at University College London, London, UK
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Lin A, Dent GL, Davies S, Dominguez ZM, Cioffredi LA, McLemore GL, Maxwell JR. Prenatal cannabinoid exposure: why expecting individuals should take a pregnancy pause from using cannabinoid products. Front Pediatr 2023; 11:1278227. [PMID: 37886232 PMCID: PMC10598870 DOI: 10.3389/fped.2023.1278227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 09/18/2023] [Indexed: 10/28/2023] Open
Abstract
Cannabinoid use in all populations is increasing as legalization across the United States continues. Concerningly, there is a lack of caution provided by medical providers to pregnant individuals as to the impact the use of cannabinoids could have on the developing fetus. Research continues in both the preclinical and clinical areas, and is severely needed, as the potency of delta-9-tetrahydrocannabinol (THC), the primary psychoactive component of cannabis, has increased dramatically since the initial studies were completed. Thus far, clinical studies raise compelling evidence for short term memory deficits, impulse control issues, and attention deficiencies following prenatal cannabinoid exposure (PCE). These changes may be mediated through epigenetic modifications that not only impact the current offspring but could carry forward to future generations. While additional studies are needed, a pregnancy pause from cannabinoid products should be strongly recommended by providers to ensure the optimal health and well-being of our future generations.
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Affiliation(s)
- Alexis Lin
- Gustavus Adolphus College, Saint Peter, MN, United States
| | - Gelonia L. Dent
- Department of Mathematics, Medgar Evers College, CUNY, Brooklyn, NY, United States
| | - Suzy Davies
- Department of Neurosciences, University of New Mexico, Albuquerque, NM, United States
| | - Zarena M. Dominguez
- Department of Pediatrics, University of New Mexico, Albuquerque, NM, United States
| | | | | | - Jessie R. Maxwell
- Department of Neurosciences, University of New Mexico, Albuquerque, NM, United States
- Department of Pediatrics, University of New Mexico, Albuquerque, NM, United States
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Calapai F, Mannucci C, McQuain L, Salvo F. Pharmacological Evaluation of Signals of Disproportionality Reporting Related to Adverse Reactions to Antiepileptic Cannabidiol in VigiBase. Pharmaceuticals (Basel) 2023; 16:1420. [PMID: 37895891 PMCID: PMC10610535 DOI: 10.3390/ph16101420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 09/11/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
Cannabidiol is the first cannabis-derived drug approved for the treatment of Lennox-Gastaut syndrome, Dravet syndrome, and Tuberous Sclerosis Complex. In the current study, we performed a descriptive analysis followed by a disproportionality analysis of potential adverse events caused by CBD extracted from the VigiBase® database. Furthermore, the biological plausibility of the association between CBD and the serotonin 5-HT1A receptor as a possible cause of adverse events was analyzed and discussed. Data were extracted from the VigiBase® database using the VigiLyze® signal detection and signal management tool. Adverse events in VigiBase® reports were coded using MedDRA, version 19 of Preferred Terms (PTs). Data were uploaded into SPSS software and analyzed via a disproportionality analysis. Statistically significant disproportionality signals for CBD were found for "weight decreased" (5.19 (95% CI: 4.54-5.70)), "hypophagia" (3.68 (95% CI: 3.22-5.27)), and "insomnia" (1.6 (95% CI: 1.40-1.83)). Positive IC025 values were found for "weight decreased" (2.2), "hypophagia" (1.3), and "insomnia" (0.5), indicating a surplus of reported cases. CBD's interactions with 5-HT1A serotonin receptors may offer a potential biological explanation for the occurrence of insomnia in patients. It is noteworthy that the risk profiles mentioned in the information for prescribing CBD as an antiepileptic agent by regulatory agencies showed disparities specifically related to the adverse event "insomnia".
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Affiliation(s)
- Fabrizio Calapai
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98125 Messina, Italy;
| | - Carmen Mannucci
- Department of Biomedical and Dental Sciences and Morphological and Functional Imaging, University of Messina, 98125 Messina, Italy
| | - Liana McQuain
- Université de Bordeaux, European Training Programme in Pharmacovigilance and Pharmacoepidemiology (Eu2P), F-33000 Bordeaux, France;
| | - Francesco Salvo
- CHU de Bordeaux, Service de Pharmacologie Médicale, Centre Régional de Pharmacovigilance de Bordeaux, F-33000 Bordeaux, France;
- Université de Bordeaux, INSERM, Bordeaux Population Health, U1219, AHeaD Team, F-33000 Bordeaux, France
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Pepin LC, Simon MW, Banerji S, Leonard J, Hoyte CO, Wang GS. Toxic Tetrahydrocannabinol (THC) Dose in Pediatric Cannabis Edible Ingestions. Pediatrics 2023; 152:e2023061374. [PMID: 37635689 DOI: 10.1542/peds.2023-061374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/22/2023] [Indexed: 08/29/2023] Open
Abstract
OBJECTIVE The study characterizes cannabis toxicity in relation to tetrahydrocannabinol (THC) dose in pediatric edible cannabis ingestions. METHODS This is a retrospective review of children aged <6 years presenting with edible cannabis ingestions of known THC dose within a pediatric hospital network (January 1, 2015-October 25, 2022). Cannabis toxicity was characterized as severe if patients exhibited severe cardiovascular (bradycardia, tachycardia/hypotension requiring vasopressors or intravenous fluids, other dysrhythmias), respiratory (respiratory failure, apnea, requiring oxygen supplementation), or neurologic (seizure, myoclonus, unresponsiveness, responsiveness to painful stimulation only, requiring intubation or sedation) effects. Cannabis toxicity was characterized as prolonged if patients required >6 hours to reach baseline. The relationship between THC dose and severe and prolonged toxicity was explored using multivariable logistic regression and receiver operator characteristic curve analyses. RESULTS Eighty patients met inclusion. The median age was 2.9 years. The median THC ingestion was 2.1 mg/kg. Severe and prolonged toxicity was present in 46% and 74%, respectively. THC dose was a significant predictor of severe (adjusted odds ratio 2.9, 95% confidence interval: 1.8-4.7) and prolonged toxicity (adjusted odds ratio 3.2, 95% confidence interval: 1.6-6.5), whereas age and sex were not. Area under the curve was 92.9% for severe and 87.3% for prolonged toxicity. THC ingestions of ≥1.7 mg/kg can predict severe (sensitivity 97.3%) and prolonged toxicity (sensitivity 75.4%). CONCLUSIONS The THC dose of edible cannabis correlates to the degree of toxicity in children <6 years old. The threshold of 1.7 mg/kg of THC may guide medical management and preventive regulations.
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Affiliation(s)
- Lesley C Pepin
- Rocky Mountain Poison & Drug Safety, Denver Health and Hospital Authority, Denver, Colorado
| | - Mark W Simon
- Rocky Mountain Poison & Drug Safety, Denver Health and Hospital Authority, Denver, Colorado
| | - Shireen Banerji
- Rocky Mountain Poison & Drug Safety, Denver Health and Hospital Authority, Denver, Colorado
| | - Jan Leonard
- Department of Pediatrics, Section of Emergency Medicine, University of Colorado, Aurora, Colorado
| | - Christopher O Hoyte
- Rocky Mountain Poison & Drug Safety, Denver Health and Hospital Authority, Denver, Colorado
- Department of Emergency Medicine, University of Colorado Hospital, Aurora, Colorado
| | - George S Wang
- Rocky Mountain Poison & Drug Safety, Denver Health and Hospital Authority, Denver, Colorado
- University of Colorado Anschutz Medical Campus, Children's Hospital Colorado, Aurora, Colorado
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Barré T, Testa D, Santos M, Marcellin F, Roux P, Carrieri P, Radoszycki L, Protopopescu C. Symptom severity is a major determinant of cannabis-based products use among people with multiple sclerosis. J Clin Nurs 2023; 32:6460-6473. [PMID: 36880273 DOI: 10.1111/jocn.16674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/08/2023] [Accepted: 02/20/2023] [Indexed: 03/08/2023]
Abstract
AIMS AND OBJECTIVES We aimed to identify correlates of cannabinoid-based products (CBP) use in patients with multiple sclerosis (MS) in France and Spain. BACKGROUND MS is responsible for a wide range of symptoms, including pain. Access to CBP differs according to local legislation. The French context is more restrictive than the Spanish one, and no data regarding cannabis use among MS patients has yet been published. Characterizing MS patients who use CBP constitutes a first step toward identifying persons most likely to benefit from them. DESIGN An online cross-sectional survey was submitted to MS patients who were members of a social network for people living with chronic diseases and were living in France or Spain. METHODS Two study outcomes measured therapeutic CBP use and daily therapeutic CBP use. Seemingly unrelated bivariate probit regression models were used to test for associations between the outcomes and patients' characteristics while accounting for country-related differences. STROBE guidelines were followed in reporting this study. RESULTS Among 641 study participants (70% from France), the prevalence of CBP use was similar in both countries (23.3% in France vs. 20.1% in Spain). MS-related disability was associated with both outcomes, with a gradient observed between different degrees of disability. MS-related pain level was associated with CBP use only. CONCLUSIONS CBP use is common in MS patients from both countries. The more severe the MS, the more participants turned to CBP to alleviate their symptoms. Easier access to CBP should be ensured for MS patients in need of relief, especially from pain. RELEVANCE TO CLINICAL PRACTICE This study highlights the characteristics of MS patients using CBP. Such practices should be discussed by healthcare professional with MS patients.
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Affiliation(s)
- Tangui Barré
- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France
| | | | - Melina Santos
- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France
| | - Fabienne Marcellin
- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France
| | - Perrine Roux
- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France
| | - Patrizia Carrieri
- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France
| | | | - Camelia Protopopescu
- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France
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Isik OG, Guo L, Whitehouse AJO, Li G, Ing C. Neurodevelopmental outcomes in children after prenatal marijuana exposure. Paediatr Perinat Epidemiol 2023; 37:536-546. [PMID: 37283466 DOI: 10.1111/ppe.12987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/29/2023] [Accepted: 05/03/2023] [Indexed: 06/08/2023]
Abstract
BACKGROUND The effect of prenatal marijuana exposure (PME) on child neurodevelopment remains poorly understood. Prior studies have demonstrated inconsistent results. OBJECTIVES This study evaluated the association between PME and neuropsychological test scores in late childhood and early adulthood, accounting for a wide range of parental characteristics. METHODS This study evaluated participants from the Raine Study, a cohort of 2868 children born between 1989 and 1992. Children whose mothers provided information on marijuana use during pregnancy were included. The primary outcome was the Clinical Evaluation of Language Fundamentals (CELF) at age 10. Secondary outcomes included the Peabody Picture Vocabulary Test (PPVT), Child Behaviour Checklist (CBCL), McCarron Assessment of Neuromuscular Development (MAND), Coloured Progressive Matrices (CPM), Symbol Digit Modality Test (SDMT) and Autism Spectrum Quotient (AQ) scores. Exposed and unexposed children were matched by propensity score using optimal full matching. Missing covariate data were imputed using multiple imputation. Inverse probability of censoring weighting (IPCW) was used to adjust for missing outcome data. Linear regression within matched sets, adjusted by IPCW, evaluated score differences between exposed and unexposed children. As a secondary analysis, modified Poisson regression, adjusted by match weights and IPCW, evaluated the risk of clinical deficit in each outcome following PME. RESULTS Of the 2804 children in this cohort, 285 (10.2%) had PME. After optimal full matching and IPCW, exposed children scored similarly on CELF Total (-0.33 points, 95% confidence interval [CI] -4.71, 4.05), Receptive (+0.65 points, 95% CI -4.08, 5.38) or Expressive (-0.53 points, 95% CI -5.07, 4.02). PME was not associated with secondary outcomes or risks of clinical deficit in any neuropsychological assessments. CONCLUSIONS After adjusting for sociodemographic and clinical covariates, PME was not associated with worse neuropsychological test scores at age 10 or autistic traits at 19-20.
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Affiliation(s)
- Oliver G Isik
- Department of Anesthesiology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | - Ling Guo
- Department of Anesthesiology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
| | | | - Guohua Li
- Department of Anesthesiology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, New York, USA
| | - Caleb Ing
- Department of Anesthesiology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, New York, USA
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40
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Lorenzetti V, Freeman TP. Standardised cannabis metrics: Opportunities for tracking how cannabis use affects neurodevelopmental trajectories in youth cohorts worldwide. Addict Biol 2023; 28:e13309. [PMID: 37500491 DOI: 10.1111/adb.13309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/19/2023] [Accepted: 06/07/2023] [Indexed: 07/29/2023]
Affiliation(s)
- Valentina Lorenzetti
- Neuroscience of Addiction and Mental Health Program, Healthy Brain and Mind Research Centre, School of Behavioural and Health Sciences, Faculty of Health, Australian Catholic University, Melbourne, Australia
| | - Tom P Freeman
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
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Sahlem GL, Kim B, Baker NL, Wong BL, Caruso MA, Campbell LA, Kaloani I, Sherman BJ, Ford TJ, Musleh AH, Kim JP, Williams NR, Manett AJ, Kratter IH, Short EB, Killeen TK, George MS, McRae-Clark AL. A Preliminary Investigation Of Repetitive Transcranial Magnetic Stimulation Applied To The Left Dorsolateral Prefrontal Cortex In Treatment Seeking Participants With Cannabis Use Disorder. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.07.10.23292461. [PMID: 37503294 PMCID: PMC10370231 DOI: 10.1101/2023.07.10.23292461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Background Cannabis use disorder (CUD) is a common and consequential disorder. When applied to the dorsolateral prefrontal cortex (DLPFC), repetitive transcranial magnetic stimulation (rTMS) reduces craving across substance use disorders and may have a therapeutic clinical effect when applied in serial sessions. The present study sought to preliminarily determine whether serial sessions of rTMS applied to the DLPFC had a therapeutic effect in CUD. Methods This study was a two-site, phase-2, double-blind, randomized-controlled-trial. Seventy-two treatment-seeking participants (37.5% Women, mean age 30.2±9.9SD) with ≥moderate-CUD were randomized to active or sham rTMS (Beam-F3, 10Hz, 20-total-sessions, with cannabis cues) while undergoing a three-session motivational enhancement therapy intervention. The primary outcome was the change in craving between pre- and post-treatment (Marijuana Craving Questionnaire Short-Form-MCQ-SF). Secondary outcomes included the number of weeks of abstinence and the number of days-per-week of cannabis use during 4-weeks of follow-up. Results There were no significant differences in craving between conditions. Participants who received active rTMS reported numerically, but not significantly, more weeks of abstinence in the follow-up period than those who received sham rTMS (15.5%-Active; 9.3%-Sham; rate ratio = 1.66 [95% CI: 0.84, 3.28]; p=0.14). Participants who received active rTMS reported fewer days-per-week of cannabis use over the final two-weeks of the follow-up period (Active vs. Sham: -0.72; Z=-2.33, p=0.02). Conclusions This trial suggests rTMS is safe and feasible in individuals with CUD and may have a therapeutic effect on frequency of cannabis use, though further study is needed with additional rTMS-sessions and a longer follow-up period.
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Affiliation(s)
- Gregory L. Sahlem
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Bohye Kim
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Nathaniel L. Baker
- Departments of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Brendan L. Wong
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Margaret A. Caruso
- Departments of Psychiatry, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Lauren A. Campbell
- Departments of Psychiatry, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Irakli Kaloani
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Brian J. Sherman
- Departments of Psychiatry, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Tiffany J. Ford
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Ahmad H. Musleh
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Jane P. Kim
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Nolan R. Williams
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Andrew J. Manett
- Departments of Psychiatry, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Ian H. Kratter
- Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, California, USA
| | - Edward B. Short
- Departments of Psychiatry, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Terese K. Killeen
- Departments of Psychiatry, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Mark S. George
- Departments of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, South Carolina, USA
| | - Aimee L. McRae-Clark
- Departments of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, South Carolina, USA
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Calhoun BH, Graupensperger S, Fairlie AM, Walukevich-Dienst K, Patrick ME, Lee CM. "Wake-and-bake" cannabis use: Predictors and cannabis-related outcomes of use shortly after waking. Drug Alcohol Depend 2023; 248:109937. [PMID: 37236059 DOI: 10.1016/j.drugalcdep.2023.109937] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 05/12/2023] [Accepted: 05/13/2023] [Indexed: 05/28/2023]
Abstract
BACKGROUND Given recent historical increases in young adults frequent cannabis use and changes in cannabis policies throughout the United States, there is a need to examine high-risk patterns of use. This paper examined predictors and cannabis-related outcomes of "wake-and-bake" cannabis use, operationalized as use within 30min of waking. METHODS Participants were 409 young adults (Mage=21.61 years, 50.8% female) enrolled in a longitudinal study on simultaneous alcohol and cannabis use (i.e., using alcohol and cannabis at the same time such that their effects overlap). Eligibility criteria included reporting alcohol use 3+ times and simultaneous alcohol and cannabis use 1+ times in the past month. Participants completed twice-daily surveys for six 14-day bursts across two calendar years. Aims were tested using multilevel models. RESULTS Analyses were limited to cannabis use days (9406 days; 33.3% of all sampled days), and thereby to participants who reported using cannabis (384 participants; 93.9% of the sample). Wake-and-bake use was reported on 11.2% of cannabis use days and at least once by 35.4% of participants who used cannabis. On wake-and-bake use days, participants were high for more hours and had greater odds of driving under the influence of cannabis, but did not experience more negative consequences, relative to non-wake-and-bake cannabis use days. Participants who reported more cannabis use disorder symptoms and those reporting higher average social anxiety motives for cannabis use reported more frequent wake-and-bake use. CONCLUSIONS Wake-and-bake cannabis use may be a useful marker of high-risk cannabis use, including driving under the influence of cannabis.
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Affiliation(s)
- Brian H Calhoun
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA, 98195-7238, USA.
| | - Scott Graupensperger
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA, 98195-7238, USA
| | - Anne M Fairlie
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA, 98195-7238, USA
| | - Katherine Walukevich-Dienst
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA, 98195-7238, USA
| | - Megan E Patrick
- Institute for Social Research, University of Michigan, P.O. Box 1248, 426 Thompson St, Ann Arbor, MI, 48106-1248, USA
| | - Christine M Lee
- Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Box 357238, Seattle, WA, 98195-7238, USA
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Wilson J, Mills KL, Sunderland M, Freeman TP, Teesson M, Haber PS, Marel C. Different Tokes for Different Folks: Use of Cannabis Products Among a Longitudinal Cohort of People with Heroin Dependence. Int J Ment Health Addict 2023:1-17. [PMID: 37363767 PMCID: PMC10184640 DOI: 10.1007/s11469-023-01071-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/02/2023] [Indexed: 06/28/2023] Open
Abstract
Co-occurring cannabis use is common among those with opioid use disorder (OUD), but the extent to which it is harmful may be due to its preparation and concentration of various cannabinoids. The current study aimed to examine the prevalence of, and long-term associations with, the use of varying cannabis products among a naturalistic longitudinal cohort of people with heroin dependence. A total of 615 people, most of whom were entering treatment, were recruited to the Australian Treatment Outcome Study (ATOS) in 2001-2002. This analysis focuses on the 401 participants followed up at 18-20 years post baseline. Structured interviews assessed the use of cannabis products, as well as demographic and health covariates. High-potency/indoor-grown cannabis was the most common type ever used (68.8%), and in the past 12 months (80.4%), followed by low potency/outdoor grown (22.4%; 14.4%), and less so for other types of cannabis. After controlling for covariates, older age at baseline was associated with lower odds of high-potency cannabis being used as the primary type in the past 12 months. In contrast to studies of non-opioid dependent populations, common use of high-potency cannabis was not associated with more severe health outcomes. Supplementary Information The online version contains supplementary material available at 10.1007/s11469-023-01071-5.
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Affiliation(s)
- Jack Wilson
- The Matilda Centre for Research in Mental Health and Substance Use, Level 6, Jane Foss Russell Building, G02, The University of Sydney, Sydney, NSW 2006 Australia
| | - Katherine L. Mills
- The Matilda Centre for Research in Mental Health and Substance Use, Level 6, Jane Foss Russell Building, G02, The University of Sydney, Sydney, NSW 2006 Australia
| | - Matthew Sunderland
- The Matilda Centre for Research in Mental Health and Substance Use, Level 6, Jane Foss Russell Building, G02, The University of Sydney, Sydney, NSW 2006 Australia
| | - Tom P. Freeman
- Addiction and Mental Health Group (AIM), University of Bath, Bath, BA2 7AY UK
| | - Maree Teesson
- The Matilda Centre for Research in Mental Health and Substance Use, Level 6, Jane Foss Russell Building, G02, The University of Sydney, Sydney, NSW 2006 Australia
| | - Paul S. Haber
- Sydney Medical School, The University of Sydney, Sydney, NSW 2006 Australia
- Drug Health Services, Royal Prince Alfred Hospital, Camperdown, NSW 2050 Australia
| | - Christina Marel
- The Matilda Centre for Research in Mental Health and Substance Use, Level 6, Jane Foss Russell Building, G02, The University of Sydney, Sydney, NSW 2006 Australia
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Lathrop JR, Rosen SN, Heitkemper MM, Buchanan DT. Cyclic Vomiting Syndrome and Cannabis Hyperemesis Syndrome: The State of the Science. Gastroenterol Nurs 2023; 46:208-224. [PMID: 37074964 DOI: 10.1097/sga.0000000000000730] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 10/10/2022] [Indexed: 04/20/2023] Open
Abstract
This article provides a narrative review of the state of the science for both cyclic vomiting syndrome and cannabis hyperemesis syndrome along with a discussion of the relationship between these 2 conditions. The scope of this review includes the historical context of these conditions as well as the prevalence, diagnostic criteria, pathogenesis, and treatment strategies for both conditions. A synopsis of the endocannabinoid system provides a basis for the hypothesis that a lack of cannabidiol in modern high-potency Δ 9 -tetrahydrocannabinol cannabis may be contributory to cannabis hyperemesis syndrome and possibly other cannabis use disorders. In concluding assessment, though the publications addressing both adult cyclic vomiting syndrome and cannabis hyperemesis syndrome are steadily increasing overall, the state of the science supporting the treatments, prognosis, etiology, and confounding factors (including cannabis use) is of moderate quality. Much of the literature portrays these conditions separately and as such sometimes fails to account for the confounding of adult cyclic vomiting syndrome with cannabis hyperemesis syndrome. The diagnostic and therapeutic approaches are, at present, based generally on case series publications and expert opinion, with a very limited number of randomized controlled trials and a complete absence of Level 1 evidence within the cyclic vomiting literature overall as well as for cannabis hyperemesis syndrome specifically.
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Affiliation(s)
- James R Lathrop
- James R. Lathrop, DNP, FNP, ARNP, is a PhD student under the Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
- Sheldon N. Rosen, MD, is Clinical Associate Professor, Division of Gastroenterology, School of Medicine, University of Washington, Seattle
- Margaret M. Heitkemper, PhD, RN, FAAN, is Professor and Elizabeth Sterling Soule Endowed Chair in Nursing, Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
- Diana Taibi Buchanan, PhD, RN, is Associate Professor and Mary S. Tschudin Endowed Professor of Nursing Education, Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
| | - Sheldon N Rosen
- James R. Lathrop, DNP, FNP, ARNP, is a PhD student under the Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
- Sheldon N. Rosen, MD, is Clinical Associate Professor, Division of Gastroenterology, School of Medicine, University of Washington, Seattle
- Margaret M. Heitkemper, PhD, RN, FAAN, is Professor and Elizabeth Sterling Soule Endowed Chair in Nursing, Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
- Diana Taibi Buchanan, PhD, RN, is Associate Professor and Mary S. Tschudin Endowed Professor of Nursing Education, Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
| | - Margaret M Heitkemper
- James R. Lathrop, DNP, FNP, ARNP, is a PhD student under the Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
- Sheldon N. Rosen, MD, is Clinical Associate Professor, Division of Gastroenterology, School of Medicine, University of Washington, Seattle
- Margaret M. Heitkemper, PhD, RN, FAAN, is Professor and Elizabeth Sterling Soule Endowed Chair in Nursing, Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
- Diana Taibi Buchanan, PhD, RN, is Associate Professor and Mary S. Tschudin Endowed Professor of Nursing Education, Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
| | - Diana Taibi Buchanan
- James R. Lathrop, DNP, FNP, ARNP, is a PhD student under the Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
- Sheldon N. Rosen, MD, is Clinical Associate Professor, Division of Gastroenterology, School of Medicine, University of Washington, Seattle
- Margaret M. Heitkemper, PhD, RN, FAAN, is Professor and Elizabeth Sterling Soule Endowed Chair in Nursing, Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
- Diana Taibi Buchanan, PhD, RN, is Associate Professor and Mary S. Tschudin Endowed Professor of Nursing Education, Department of Biobehavioral Nursing & Health Informatics, School of Nursing, University of Washington, Seattle
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Hasin DS, Borodovsky J, Shmulewitz D, Walsh C, Struble CA, Livne O, Habib MI, Fink DS, Aharonovich E, Budney A. Adult use of highly-potent Δ9-THC cannabis concentrate products by U.S. state cannabis legalization status, 2021. Addict Behav 2023; 140:107617. [PMID: 36736229 PMCID: PMC9930475 DOI: 10.1016/j.addbeh.2023.107617] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 01/06/2023] [Accepted: 01/08/2023] [Indexed: 01/11/2023]
Abstract
BACKGROUND Compared to plant/flower cannabis products, cannabis concentrates have higher average potency of delta-9-tetrahydrocannabinol (Δ9-THC), which may be associated with greater likelihood of cannabis-related harms. Information on factors associated with use of cannabis concentrates is needed. METHODS Respondents were 4,328 adult past-7-day cannabis users from all 50 U.S. states and Washington DC (DC) who participated in an online 2021 survey. Using logistic regression to generate adjusted odds ratios (aOR), we investigated whether participants in states that enacted recreational cannabis laws (RCL, 12 states plus DC [treated as a state], n = 1,236) or medical cannabis laws (MCL-only, 23 states, n = 2,030) by December 31, 2020 were more likely than those in states without cannabis laws (no-CL, 15 states, n = 1,062) to use cannabis concentrate products in the prior 7 days. RESULTS Most participants (92.4%) used plant material in the prior 7 days; 57.0% used cannabis concentrates. In RCL, MCL and no-CL states, concentrate use was reported by 61.5%, 56.6%, and 52.5%, respectively. Compared to participants in no-CL states, odds of using cannabis concentrate products were greater among those in RCL states (aOR = 1.47; CI = 1.17-1.84) and MCL-only states (aOR = 1.29; CI = 1.08-1.55). Whether states had legally-authorized dispensaries had little effect on results. CONCLUSION Results suggest that individuals in MCL-only and RCL states are more likely to use cannabis concentrate products. Determining mechanisms underlying these results, e.g., commercialization, could provide important information for prevention. Clinicians should be alert to patient use of concentrates, especially in MCL-only and RCL states. Continued monitoring is warranted as additional states legalize cannabis use.
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Affiliation(s)
- Deborah S Hasin
- Department of Psychiatry, Columbia University Irving Medical Center, 1051 Riverside Drive, New York, NY 10032, USA; New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA; Department of Epidemiology, Columbia University Mailman School of Public Health, 722 W 168(th) St, New York, NY 10032, USA.
| | - Jacob Borodovsky
- Department of Psychiatry, Dartmouth Geisel School of Medicine, One Medical Center Drive, Lebanon, NH 03756, USA.
| | - Dvora Shmulewitz
- Department of Psychiatry, Columbia University Irving Medical Center, 1051 Riverside Drive, New York, NY 10032, USA; New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA.
| | - Claire Walsh
- New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA.
| | - Cara A Struble
- Department of Psychiatry, Dartmouth Geisel School of Medicine, One Medical Center Drive, Lebanon, NH 03756, USA.
| | - Ofir Livne
- Department of Psychiatry, Columbia University Irving Medical Center, 1051 Riverside Drive, New York, NY 10032, USA; New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA.
| | - Mohammad I Habib
- Department of Psychiatry, Dartmouth Geisel School of Medicine, One Medical Center Drive, Lebanon, NH 03756, USA.
| | - David S Fink
- New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA.
| | - Efrat Aharonovich
- Department of Psychiatry, Columbia University Irving Medical Center, 1051 Riverside Drive, New York, NY 10032, USA; New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA.
| | - Alan Budney
- Department of Psychiatry, Dartmouth Geisel School of Medicine, One Medical Center Drive, Lebanon, NH 03756, USA.
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Giguère S, Potvin S, Beaudoin M, Dellazizzo L, Giguère CÉ, Furtos A, Gilbert K, Phraxayavong K, Dumais A. Avatar Intervention for Cannabis Use Disorder in Individuals with Severe Mental Disorders: A Pilot Study. J Pers Med 2023; 13:jpm13050766. [PMID: 37240936 DOI: 10.3390/jpm13050766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/22/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
Cannabis use disorder (CUD) is a complex issue, even more so when it is comorbid with a severe mental disorder (SMD). Available interventions are at best slightly effective, and their effects are not maintained over time. Therefore, the integration of virtual reality (VR) may increase efficacy; however, it has not yet been investigated in the treatment of CUD. A novel approach, avatar intervention for CUD, uses existing therapeutic techniques from other recommended therapies (e.g., cognitive behavioral methods, motivational interviewing) and allows participants to practice them in real-time. During immersive sessions, participants are invited to interact with an avatar representing a significant person related to their drug use. This pilot clinical trial aimed to evaluate the short-term efficacity of avatar intervention for CUD on 19 participants with a dual diagnosis of SMD and CUD. Results showed a significant moderate reduction in the quantity of cannabis use (Cohen's d = 0.611, p = 0.004), which was confirmed via urinary quantification of cannabis use. Overall, this unique intervention shows promising results. Longer-term results, as well as comparison with classical interventions in a larger sample, are warranted through a future single-blind randomized controlled trial.
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Affiliation(s)
- Sabrina Giguère
- Department of Psychiatry and Addictology, University of Montreal, Montreal, QC H3T 1J4, Canada
- Research Center of the University Institute in Mental Health of Montreal, Montreal, QC H1N 3V2, Canada
| | - Stéphane Potvin
- Department of Psychiatry and Addictology, University of Montreal, Montreal, QC H3T 1J4, Canada
- Research Center of the University Institute in Mental Health of Montreal, Montreal, QC H1N 3V2, Canada
| | - Mélissa Beaudoin
- Department of Psychiatry and Addictology, University of Montreal, Montreal, QC H3T 1J4, Canada
- Research Center of the University Institute in Mental Health of Montreal, Montreal, QC H1N 3V2, Canada
- Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H3G 2M1, Canada
| | - Laura Dellazizzo
- Department of Psychiatry and Addictology, University of Montreal, Montreal, QC H3T 1J4, Canada
- Research Center of the University Institute in Mental Health of Montreal, Montreal, QC H1N 3V2, Canada
| | - Charles-Édouard Giguère
- Research Center of the University Institute in Mental Health of Montreal, Montreal, QC H1N 3V2, Canada
| | - Alexandra Furtos
- Department of Chemistry, University of Montreal, Montreal, QC H2V 0B3, Canada
| | - Karine Gilbert
- Department of Chemistry, University of Montreal, Montreal, QC H2V 0B3, Canada
| | - Kingsada Phraxayavong
- Research Center of the University Institute in Mental Health of Montreal, Montreal, QC H1N 3V2, Canada
- Services et Recherches Psychiatriques AD, Montreal, QC H1N 3V2, Canada
| | - Alexandre Dumais
- Department of Psychiatry and Addictology, University of Montreal, Montreal, QC H3T 1J4, Canada
- Research Center of the University Institute in Mental Health of Montreal, Montreal, QC H1N 3V2, Canada
- Services et Recherches Psychiatriques AD, Montreal, QC H1N 3V2, Canada
- Institut National de Psychiatrie Légale Philippe-Pinel, Montreal, QC H1C 1H1, Canada
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Petrilli K, Hines L, Adams S, Morgan CJ, Curran HV, Freeman TP. High potency cannabis use, mental health symptoms and cannabis dependence: Triangulating the evidence. Addict Behav 2023; 144:107740. [PMID: 37121087 DOI: 10.1016/j.addbeh.2023.107740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 03/30/2023] [Accepted: 04/19/2023] [Indexed: 05/02/2023]
Abstract
BACKGROUND Cannabis potency (concentration of Δ-9-Tetrahydrocannabinol) has been associated with risks of adverse mental health outcomes and addiction but no studies have triangulated evidence from self-report and objective measures of cannabis potency. We hypothesised that users of high potency cannabis would have higher levels of (a) anxiety, (b) depression and (c) psychosis-like symptoms (d) cannabis dependence than users of lower potency cannabis. METHODS A cross-sectional study of 410 participants donated a sample of cannabis for analysis of THC concentration and reported their cannabis potency preference. These two exposure measures were investigated for their association with cannabis dependence, depression, anxiety, and psychosis-like symptoms in separate linear/logistic regression models. RESULTS High potency cannabis preference was associated with a slight increased risk of cannabis dependence after adjusting for confounding, with the exception of cannabis use frequency (OR = 1.16, 95% CI 1.04-1.28). No association was found between THC concentration in cannabis and cannabis dependence. There was weak evidence of a small association between cannabis potency and depression and anxiety. There was no association between high potency cannabis preference or THC concentration in cannabis and psychosis-like symptoms. CONCLUSIONS Users of cannabis who preferred high potency types might be at increased risk of problematic cannabis use. This should be considered with caution as we were not able to triangulate these results with an objective measure of cannabis potency. More research is needed to understand the association between high potency cannabis use and depression and anxiety.
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Affiliation(s)
- Kat Petrilli
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK.
| | - Lindsey Hines
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK; Population Health Science, Bristol Medical School, University of Bristol, Bristol, UK
| | - Sally Adams
- Institute for Mental Health, School of Psychology, University of Birmingham, Birmingham, UK
| | - Celia J Morgan
- Washington Singer Laboratories, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | - H Valerie Curran
- Clinical Psychopharmacology Unit, Clinical Educational and Health Psychology Department, University College London, London, UK
| | - Tom P Freeman
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
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Hua DYH, Hindocha C, Baio G, Lees R, Shaban N, Morgan CJ, Mofeez A, Curran HV, Freeman TP. Effects of cannabidiol on anandamide levels in individuals with cannabis use disorder: findings from a randomised clinical trial for the treatment of cannabis use disorder. Transl Psychiatry 2023; 13:131. [PMID: 37085531 PMCID: PMC10121552 DOI: 10.1038/s41398-023-02410-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 04/23/2023] Open
Abstract
Cannabidiol (CBD) has shown promise in treating psychiatric disorders, including cannabis use disorder - a major public health burden with no approved pharmacotherapies. However, the mechanisms through which CBD acts are poorly understood. One potential mechanism of CBD is increasing levels of anandamide, which has been implicated in psychiatric disorders including depression and cannabis use disorder. However, there is a lack of placebo-controlled human trials investigating this in psychiatric disorders. We therefore assessed whether CBD affects plasma anandamide levels compared to placebo, within a randomised clinical trial of CBD for the treatment of cannabis use disorder. Individuals meeting criteria for cannabis use disorder and attempting cannabis cessation were randomised to 28-day administration with placebo (n = 23), 400 mg CBD/day (n = 24) or 800 mg CBD/day (n = 23). We estimated the effects of each CBD dose compared to placebo on anandamide levels from baseline to day 28. Analyses were conducted both unadjusted and adjusted for cannabis use during the trial to account for effects of cannabis on the endocannabinoid system. We also investigated whether changes in plasma anandamide levels were associated with clinical outcomes relevant for cannabis use disorder (cannabis use, withdrawal, anxiety, depression). There was an effect of 800 mg CBD compared to placebo on anandamide levels from baseline to day 28 after adjusting for cannabis use. Pairwise comparisons indicated that anandamide levels unexpectedly reduced from baseline to day 28 in the placebo group (-0.048, 95% CI [-0.089, -0.007]), but did not change in the 800 mg CBD group (0.005, 95% CI [-0.036, 0.047]). There was no evidence for an effect of 400 mg CBD compared to placebo. Changes in anandamide levels were not associated with clinical outcomes. In conclusion, this study found preliminary evidence that 28-day treatment with CBD modulates anandamide levels in individuals with cannabis use disorder at doses of 800 mg/day but not 400 mg/day compared to placebo.
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Affiliation(s)
- Daniel Ying-Heng Hua
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
| | | | | | - Rachel Lees
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK
| | | | - Celia J Morgan
- Washington Singer Labs, University of Exeter, Exeter, UK
| | - Ali Mofeez
- Pain Management Centre, National Hospital for Neurology and Neurosurgery, UCLH, London, UK
| | | | - Tom P Freeman
- Addiction and Mental Health Group (AIM), Department of Psychology, University of Bath, Bath, UK.
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Emerging Roles of Endocannabinoids as Key Lipid Mediators for a Successful Pregnancy. Int J Mol Sci 2023; 24:ijms24065220. [PMID: 36982295 PMCID: PMC10048990 DOI: 10.3390/ijms24065220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
In recent years, Cannabis use/misuse for treating pregnancy-related symptoms and other chronic conditions has increased among pregnant women, favored by decriminalization and/or legalization of its recreational uses in addition to its easy accessibility. However, there is evidence that prenatal Cannabis exposure might have adverse consequences on pregnancy progression and a deleterious impact on proper neurodevelopmental trajectories in the offspring. Maternal Cannabis use could interfere with the complex and finely controlled role performed by the endocannabinoid system in reproductive physiology, impairing multiple gestational processes from blastocyst implantation to parturition, with long-lasting intergenerational effects. In this review, we discuss current clinical and preclinical evidence regarding the role of endocannabinoids in development, function, and immunity of the maternal–fetal interface, focusing on the impact of Cannabis constituents on each of these gestational processes. We also discuss the intrinsic limitations of the available studies and the future perspectives in this challenging research field.
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50
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Abstract
Cannabis is one of the most widely used recreational drugs among people with clinical psychosis, after nicotine and alcohol. There has been a debate in psychiatry about whether or not we can infer a cause-and-effect relationship between the use of cannabis and psychotic disorders. In this editorial, we first present and critically discuss the evidence to date of the association between heavy cannabis use and psychosis. We argue that while the biological mechanisms underlying individual susceptibility to develop a psychotic disorder following heavy cannabis use are still unknown, heavy cannabis use remains the most modifiable risk factor for the onset of psychotic disorders and for its clinical and functional outcome. This demands a clear move towards both primary and secondary prevention intervention to reduce the impact of heavy cannabis use on the incidence and prevalence of psychotic disorders.
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Affiliation(s)
- L Johnson-Ferguson
- Jacobs Center for Productive Youth Development, University of Zurich, Zurich, Switzerland
- Psychiatric University Hospital, Zurich, Switzerland
- Department of Psychosis Studies, Institute of Psychiatry, King's College London, London, UK
| | - M Di Forti
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, London, UK
- South London and Maudsley NHS Mental Health Foundation Trust, London, UK
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