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Collazos KSG, Havanur A, De Santis J, Baral A, Vidot DC. Adverse childhood experiences as precursors to cannabis use in adulthood: A systematic review. CHILD ABUSE & NEGLECT 2024; 154:106889. [PMID: 38889556 DOI: 10.1016/j.chiabu.2024.106889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/28/2024] [Accepted: 06/04/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND Individuals with a history of Adverse Childhood Experiences (ACEs) are at risk of subsequent cannabis use. However, at present no existing systematic review explores ACEs as they relate to cannabis use. OBJECTIVE The aim of this systematic review paper is to examine how adverse childhood experiences (ACEs) impact rates, patterns, and the nature of cannabis use in adulthood. METHODS Guided by the PRISMA statement, this systematic review focuses on longitudinal studies that report cannabis use in adulthood. Databases searched include PubMed and Embase. RESULTS Ultimately, 28 manuscripts were selected for inclusion, ranging in scope from smaller community-focused studies to nationally representative longitudinal surveys; 22 of 28 studies occurred in the United States, with sample size ranging from 303 to 15,960 participants. Instruments used to assess ACEs and cannabis use varied considerably across studies, leading to loss of consistency. Nevertheless, presence of ACEs-childhood sexual abuse in particular-was consistently associated with cannabis use later in life. Frequency and severity of ACEs was found to exert an additive cumulative effect on severity of cannabis use. CONCLUSIONS This systematic review lays the foundation of the current state of the science regarding ACEs and cannabis use, which can provide further insight into a better understanding of this relationship and provide potential intervention opportunities.
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Affiliation(s)
- Kathryn S G Collazos
- University of Miami School of Nursing and Health Studies, Coral Gables, FL, USA.
| | - Amogh Havanur
- University of Miami Miller School of Medicine, Miami, FL, USA
| | - Joseph De Santis
- University of Miami School of Nursing and Health Studies, Coral Gables, FL, USA
| | - Amrit Baral
- University of Miami School of Nursing and Health Studies, Coral Gables, FL, USA; University of Miami Miller School of Medicine, Miami, FL, USA
| | - Denise C Vidot
- University of Miami School of Nursing and Health Studies, Coral Gables, FL, USA; University of Miami Miller School of Medicine, Miami, FL, USA
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Stiltner B, Pietrzak RH, Tylee DS, Nunez YZ, Adhikari K, Kranzler HR, Gelernter J, Polimanti R. Polysubstance addiction patterns among 7,989 individuals with cocaine use disorder. iScience 2023; 26:107336. [PMID: 37554454 PMCID: PMC10405253 DOI: 10.1016/j.isci.2023.107336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/22/2023] [Accepted: 07/06/2023] [Indexed: 08/10/2023] Open
Abstract
To characterize polysubstance addiction (PSA) patterns of cocaine use disorder (CoUD), we performed a latent class analysis (LCA) in 7,989 participants with a lifetime DSM-5 diagnosis of CoUD. This analysis identified three PSA subgroups among CoUD participants (i.e., low, 17%; intermediate, 38%; high, 45%). While these subgroups varied by age, sex, and racial-ethnic distribution (p < 0.001), there was no difference with respect to education or income (p > 0.05). After accounting for sex, age, and race-ethnicity, the CoUD subgroup with high PSA had higher odds of antisocial personality disorder (OR = 21.96 vs. 6.39, difference-p = 8.08✕10-6), agoraphobia (OR = 4.58 vs. 2.05, difference-p = 7.04✕10-4), mixed bipolar episode (OR = 10.36 vs. 2.61, difference-p = 7.04✕10-4), posttraumatic stress disorder (OR = 11.54 vs. 5.86, difference-p = 2.67✕10-4), antidepressant medication use (OR = 13.49 vs. 8.02, difference-p = 1.42✕10-4), and sexually transmitted diseases (OR = 5.92 vs. 3.38, difference-p = 1.81✕10-5) than the low-PSA CoUD subgroup. These findings underscore the importance of modeling PSA severity and comorbidities when examining the clinical, molecular, and neuroimaging correlates of CoUD.
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Affiliation(s)
- Brendan Stiltner
- Department of Psychiatry, Yale School of Medicine, New Haven, CT 06510, USA
- VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Robert H. Pietrzak
- Department of Psychiatry, Yale School of Medicine, New Haven, CT 06510, USA
- U.S. Department of Veterans Affairs National Center for Posttraumatic Stress Disorder, VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Daniel S. Tylee
- Department of Psychiatry, Yale School of Medicine, New Haven, CT 06510, USA
- VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Yaira Z. Nunez
- Department of Psychiatry, Yale School of Medicine, New Haven, CT 06510, USA
- VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Keyrun Adhikari
- Department of Psychiatry, Yale School of Medicine, New Haven, CT 06510, USA
- VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Henry R. Kranzler
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
- Mental Illness Research, Education, and Clinical Center, Crescenz Veterans Affairs Medical Center, Philadelphia, PA 19104, USA
| | - Joel Gelernter
- Department of Psychiatry, Yale School of Medicine, New Haven, CT 06510, USA
- VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Renato Polimanti
- Department of Psychiatry, Yale School of Medicine, New Haven, CT 06510, USA
- VA Connecticut Healthcare System, West Haven, CT 06516, USA
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Dacosta-Sánchez D, Fernández-Calderón F, Blanc-Molina A, Díaz-Batanero C, Lozano OM. Monitoring adherence and abstinence of cannabis use disorder patients: Profile identification and relationship with long-term treatment outcomes. JOURNAL OF SUBSTANCE USE AND ADDICTION TREATMENT 2023; 148:209019. [PMID: 36933660 DOI: 10.1016/j.josat.2023.209019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 01/19/2023] [Accepted: 03/10/2023] [Indexed: 03/18/2023]
Abstract
BACKGROUND Patients with cannabis use disorder (CUD) show heterogeneous sociodemographic and consumption patterns. Although previous studies, focused on identifying subgroups of CUD patients using input variables, have yielded useful results for planning individualized treatments, no published research has analyzed the profiles of CUD patients according to their therapeutic progress. This study therefore aims to identify subgroups of patients using adherence and abstinence indicators and to explore whether these profiles are associated with sociodemographic characteristics, consumption variables, and long-term therapeutic outcomes. METHODS This was a retrospective observational study with a multisite sample of 2055 CUD outpatients who were beginning treatment. The study monitored patient data at two-year follow-up. We conducted latent profiles analysis on the appointment attendance ratio and percentage of negative cannabis tests. RESULTS A three profile solution emerged: i) moderate abstinence/moderate adherence (n = 997); ii) high abstinence/moderate adherence (n = 613); and iii) high abstinence/high adherence (n = 445). The study found the most marked differences at the beginning of treatment for education level (chi2 (8) = 121.70, p < .001), source of referral (chi2 (12) = 203.55, p < .001), and frequency of cannabis use (chi2 (10) = 232.39, p < .001). Eighty percent of patients from the "high abstinence/high adherence" group were relapse-free at two year follow-up. This percentage decreased to 24.3 % in the "moderate abstinence/moderate adherence" group. CONCLUSIONS Research has shown adherence and abstinence indicators to be useful for identifying subgroups of patients with different prognoses regarding long-term success. Recognizing the sociodemographic and consumption variables associated with these profiles at the beginning of treatment could help to inform the design of more individualized interventions.
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Affiliation(s)
- Daniel Dacosta-Sánchez
- Department of Clinical and Experimental Psychology, University of Huelva. Avda. Fuerzas Armadas s/n. 21071, Huelva, Spain
| | - Fermín Fernández-Calderón
- Department of Clinical and Experimental Psychology, University of Huelva. Avda. Fuerzas Armadas s/n. 21071, Huelva, Spain; Research Center on Natural Resources, Health and the Environment, University of Huelva, Ed. Experimental Sciences, 21071 Huelva, Spain
| | - Andrea Blanc-Molina
- Department of Clinical and Experimental Psychology, University of Huelva. Avda. Fuerzas Armadas s/n. 21071, Huelva, Spain
| | - Carmen Díaz-Batanero
- Department of Clinical and Experimental Psychology, University of Huelva. Avda. Fuerzas Armadas s/n. 21071, Huelva, Spain; Research Center on Natural Resources, Health and the Environment, University of Huelva, Ed. Experimental Sciences, 21071 Huelva, Spain
| | - Oscar M Lozano
- Department of Clinical and Experimental Psychology, University of Huelva. Avda. Fuerzas Armadas s/n. 21071, Huelva, Spain; Research Center on Natural Resources, Health and the Environment, University of Huelva, Ed. Experimental Sciences, 21071 Huelva, Spain.
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Kroon E, Mansueto A, Kuhns L, Filbey F, Wiers R, Cousijn J. Gender differences in cannabis use disorder symptoms: A network analysis. Drug Alcohol Depend 2023; 243:109733. [PMID: 36565568 DOI: 10.1016/j.drugalcdep.2022.109733] [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: 06/27/2022] [Revised: 11/17/2022] [Accepted: 12/01/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND While cannabis use in women is increasing worldwide, research into gender differences in cannabis use disorder (CUD) symptomology is lacking. In response to limited effectiveness of addiction treatment, research focus has been shifting from clinical diagnoses towards interactions between symptoms, as patterns of symptoms and their interactions could be crucial in understanding etiological mechanisms in addiction. The aim of this study was to evaluate the CUD symptom network and assess whether there are gender differences therein. METHODS A total of 1257 Dutch individuals reporting weekly cannabis use, including 745 men and 512 women, completed online questionnaires assessing DSM-5 CUD symptoms and additional items on plans to quit or reduce use, cigarette use, and the presence of psychological diagnoses. Gender differences were assessed for all variables and an Ising model estimation method was used to estimate CUD symptom networks in men and women using network comparison tests to assess differences. RESULTS There were gender differences in the prevalence of 6 of the 11 symptoms, but symptom networks did not differ between men and women. Cigarette use appeared to only be connected to the network through withdrawal, indicating a potential role of cigarette smoking in enhancing cannabis withdrawal symptoms. Furthermore, there were gender differences in the network associations of mood and anxiety disorders with CUD symptoms. CONCLUSION The association between smoking and withdrawal as well as gender differences in the role of comorbidities in the CUD network highlight the value of using network models to understand CUD and how symptom interactions might affect treatment.
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Affiliation(s)
- Emese Kroon
- Neuroscience of Addiction (NofA) Lab, Department of Psychology, University of Amsterdam, the Netherlands; ADAPT-laboratory, Department of Psychology, University of Amsterdam, the Netherlands.
| | - Alessandra Mansueto
- ADAPT-laboratory, Department of Psychology, University of Amsterdam, the Netherlands; Centre for Urban Mental Health, University of Amsterdam, Amsterdam, the Netherlands; Psychological Methods, Department of Psychology, University of Amsterdam, the Netherlands; Amsterdam School of Communication Research (ASCoR), University of Amsterdam, Amsterdam, the Netherlands
| | - Lauren Kuhns
- Neuroscience of Addiction (NofA) Lab, Department of Psychology, University of Amsterdam, the Netherlands; ADAPT-laboratory, Department of Psychology, University of Amsterdam, the Netherlands
| | - Francesca Filbey
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Dallas, TX, USA
| | - Reinout Wiers
- ADAPT-laboratory, Department of Psychology, University of Amsterdam, the Netherlands; Centre for Urban Mental Health, University of Amsterdam, Amsterdam, the Netherlands
| | - Janna Cousijn
- Neuroscience of Addiction (NofA) Lab, Department of Psychology, University of Amsterdam, the Netherlands; Department of Psychology, Education & Child Studies, Erasmus University Rotterdam, the Netherlands
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Potukuchi PK, Moradi H, Park F, Kaplan C, Thomas F, Dashputre AA, Sumida K, Molnar MZ, Gaipov A, Gatwood JD, Rhee C, Streja E, Kalantar-Zadeh K, Kovesdy CP. Cannabis Use and Risk of Acute Kidney Injury in Patients with Advanced Chronic Kidney Disease Transitioning to Dialysis. Cannabis Cannabinoid Res 2023; 8:138-147. [PMID: 34597156 PMCID: PMC9940810 DOI: 10.1089/can.2021.0044] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background: The current social and legal landscape is likely to foster the medicinal and recreational use of cannabis. Synthetic cannabinoid use is associated with acute kidney injury (AKI) in case reports; however, the association between natural cannabis use and AKI risk in patients with advanced chronic kidney disease (CKD) is unknown. Materials and Methods: From a nationally representative cohort of 102,477 U.S. veterans transitioning to dialysis between 2007 and 2015, we identified 2215 patients with advanced CKD who had undergone urine toxicology (UTOX) tests within a year before dialysis initiation and had inpatient serial serum creatinine levels measured within 7 days after their UTOX test. The exposure of interest was cannabis use compared with no use as ascertained by the UTOX test. We examined the association of this exposure with AKI using logistic regression and inverse probability of treatment weighting with extensive adjustment for potential confounders. Results: The mean age of the overall cohort was 61 years; 97% were males, 51% were African Americans, 97% had hypertension, 76% had hyperlipidemia, and 75% were diabetic. AKI occurred in 56% of the cohort, and in multivariable-adjusted analysis, cannabis use (when compared with no substance use) was not associated with significantly higher odds of AKI (odds ratio 0.85, 95% confidence interval 0.38-1.87; p=0.7). These results were robust to various sensitivity analyses. Conclusions: In this observational study examining patients with advanced CKD, cannabis use was not associated with AKI risk. Additional studies are needed to characterize the impact of cannabis use on risk of kidney disease and injury.
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Affiliation(s)
- Praveen K. Potukuchi
- Division of Nephrology, Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, USA
- Institute for Health Outcomes and Policy, College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Hamid Moradi
- Division of Nephrology and Hypertension, University of California-Irvine, Orange, California, USA
- Nephrology Section, Long Beach VA Medical Center, Long Beach, California, USA
| | - Frank Park
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Cameron Kaplan
- USC Gehr Family Center for Health Systems Science and Innovation, Keck School of Medicine of USC, Los Angeles, California, USA
| | - Fridtjof Thomas
- Division of Biostatistics, Department of Preventive Medicine, College of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Ankur A. Dashputre
- Division of Nephrology, Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, USA
- Institute for Health Outcomes and Policy, College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Keiichi Sumida
- Division of Nephrology, Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Miklos Z. Molnar
- Division of Nephrology and Hypertension, Department of Medicine, University of Utah, Salt Lake City, Utah, USA
| | - Abduzhappar Gaipov
- Department of Medicine, Nazarbayev University School of Medicine, Nur-Sultan, Kazakhstan
| | - Justin D. Gatwood
- Department of Clinical Pharmacy and Translational Science, College of Pharmacy, University of Tennessee Health Science Center, Nashville, Tennessee, USA
| | - Connie Rhee
- Division of Nephrology and Hypertension, Harold Simmons Center for Chronic Disease Research and Epidemiology, University of California-Irvine, Orange, California, USA
| | - Elani Streja
- Division of Nephrology and Hypertension, Harold Simmons Center for Chronic Disease Research and Epidemiology, University of California-Irvine, Orange, California, USA
| | - Kamyar Kalantar-Zadeh
- Division of Nephrology and Hypertension, Harold Simmons Center for Chronic Disease Research and Epidemiology, University of California-Irvine, Orange, California, USA
| | - Csaba P. Kovesdy
- Division of Nephrology, Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, USA
- Nephrology Section, Memphis VA Medical Center, Memphis, Tennessee, USA
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Fleury MJ, Cao Z, Grenier G, Huỳnh C. Profiles of quality of outpatient care use, associated sociodemographic and clinical characteristics, and adverse outcomes among patients with substance-related disorders. Subst Abuse Treat Prev Policy 2023; 18:5. [PMID: 36641441 PMCID: PMC9840840 DOI: 10.1186/s13011-022-00511-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/22/2022] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND This study identified patient profiles in terms of their quality of outpatient care use, associated sociodemographic and clinical characteristics, and adverse outcomes based on frequent emergency department (ED) use, hospitalization, and death from medical causes. METHODS A cohort of 18,215 patients with substance-related disorders (SRD) recruited in addiction treatment centers was investigated using Quebec (Canada) health administrative databases. A latent class analysis was produced, identifying three profiles of quality of outpatient care use, while multinomial and logistic regressions tested associations with patient characteristics and adverse outcomes, respectively. RESULTS Profile 1 patients (47% of the sample), labeled "Low outpatient service users", received low quality of care. They were mainly younger, materially and socially deprived men, some with a criminal history. They had more recent SRD, mainly polysubstance, and less mental disorders (MD) and chronic physical illnesses than other Profiles. Profile 2 patients (36%), labeled "Moderate outpatient service users", received high continuity and intensity of care by general practitioners (GP), while the diversity and regularity in their overall quality of outpatient service was moderate. Compared with Profile 1, they were older, less likely to be unemployed or to live in semi-urban areas, and most had common MD and chronic physical illnesses. Profile 3 patients (17%), labeled "High outpatient service users", received more intensive psychiatric care and higher quality of outpatient care than other Profiles. Most Profile 3 patients lived alone or were single parents, and fewer lived in rural areas or had a history of homelessness, versus Profile 1 patients. They were strongly affected by MD, mostly serious MD and personality disorders. Compared with Profile 1, Profile 3 had more frequent ED use and hospitalizations, followed by Profile 2. No differences in death rates emerged among the profiles. CONCLUSIONS Frequent ED use and hospitalization were strongly related to patient clinical and sociodemographic profiles, and the quality of outpatient services received to the severity of their conditions. Outreach strategies more responsive to patient needs may include motivational interventions and prevention of risky behaviors for Profile 1 patients, collaborative GP-psychiatrist care for Profile 2 patients, and GP care and intensive specialized treatment for Profile 3 patients.
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Affiliation(s)
- Marie-Josée Fleury
- Douglas Hospital Research Centre, 6875 LaSalle Blvd, Montreal, Quebec, H4H 1R3, Canada. .,Department of Psychiatry, McGill University, 1033 Pine Avenue West, Montreal, Quebec, H3A 1A1, Canada.
| | - Zhirong Cao
- grid.412078.80000 0001 2353 5268Douglas Hospital Research Centre, 6875 LaSalle Blvd, Montreal, Quebec H4H 1R3 Canada
| | - Guy Grenier
- grid.412078.80000 0001 2353 5268Douglas Hospital Research Centre, 6875 LaSalle Blvd, Montreal, Quebec H4H 1R3 Canada
| | - Christophe Huỳnh
- grid.459278.50000 0004 4910 4652Institut universitaire sur les dépendances, Centre intégré universitaire de santé et des services sociaux du Centre-Sud-de-l’Île-de-Montréal, 950 Louvain Est, Montreal, Quebec H2M 2E8 Canada
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Rock KL, Englund A, Morley S, Rice K, Copeland CS. Can cannabis kill? Characteristics of deaths following cannabis use in England (1998-2020). J Psychopharmacol 2022; 36:1362-1370. [PMID: 35946604 PMCID: PMC9716494 DOI: 10.1177/02698811221115760] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND Cannabis is the most widely used illegal drug but is rarely considered a causal factor in death. AIMS This study aimed to understand trends in deaths in England where cannabinoids were detected at post-mortem, and to evaluate the clinical utility of post-mortem cannabinoid concentrations in coronial investigations. METHODS Deaths with cannabinoid detections reported to the National Programme on Substance Abuse Deaths (NPSAD) were extracted and analysed. RESULTS From 1998 to 2011, on average 7% of all cases reported to NPSAD had a cannabinoid detected (n = 110 deaths per year), rising to 18% in 2020 (n = 350). Death following cannabis use alone was rare (4% of cases, n = 136/3455). Traumatic injury was the prevalent underlying cause in these cases (62%, n = 84/136), with cannabis toxicity cited in a single case. Polydrug use was evident in most cases (96%, n = 3319/3455), with acute drug toxicity the prevalent underlying cause (74%, n = 2458/3319). Cardiac complications were the most cited physiological underlying cause of death (4%, n = 144/3455). The median average Δ9-tetrahydrocannabinol post-mortem blood concentrations were several magnitudes lower than previously reported median blood concentrations in living users (cannabis alone: 4.3 µg/L; cannabis in combination with other drugs: 3.5 µg/L). CONCLUSIONS Risk of death due to cannabis toxicity is negligible. However, cannabis can prove fatal in circumstances with risk of traumatic physical injury, or in individuals with cardiac pathophysiologies. These indirect harms need careful consideration and further study to better elucidate the role cannabis plays in drug-related mortality. Furthermore, the relevance of cannabinoid quantifications in determining cause of death in coronial investigations is limited.
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Affiliation(s)
- Kirsten L Rock
- Centre for Pharmaceutical Medicine Research, Institute of Pharmaceutical Sciences, King’s College London, London, UK
| | - Amir Englund
- Department of Addictions, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, South London and Maudsley NHS Foundation Trust, London, UK
| | - Stephen Morley
- Toxicology Unit, Leicester Royal Infirmary, Leicester, UK
| | - Kathleen Rice
- Toxicology Unit, Leicester Royal Infirmary, Leicester, UK
| | - Caroline S Copeland
- Centre for Pharmaceutical Medicine Research, Institute of Pharmaceutical Sciences, King’s College London, London, UK,National Programme on Substance Abuse Deaths, London, UK,Caroline Copeland, Centre for Pharmaceutical Medicine Research, Institute of Pharmaceutical Sciences, King’s College London, London, UK.
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Pan Y, Feaster DJ, Odom G, Brandt L, Hu MC, Weiss RD, Rotrosen J, Saxon AJ, Luo SX, Balise RR. Specific polysubstance use patterns predict relapse among patients entering opioid use disorder treatment. DRUG AND ALCOHOL DEPENDENCE REPORTS 2022; 5:100128. [PMID: 36644227 PMCID: PMC9838120 DOI: 10.1016/j.dadr.2022.100128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Introduction While polysubstance use has consistently been associated with higher rates of relapse, few studies have examined subgroups with specific combinations and time course of polysubstance use (i.e., polysubstance use patterns). This study aimed to classify and compare polysubstance use patterns, and their associations with relapse to regular opioid use in 2637 participants in three large opioid use disorder (OUD) treatment trials. Methods We explored the daily patterns of self-reported substance use in the 28 days prior to treatment entry. Market basket analysis (MBA) and repeated measure latent class analysis (RMLCA) were used to examine the subgroups of polysubstance use patterns, and multiple logistic regression was used to examine associations between identified classes and relapse. Results MBA and RMLCA identified 34 "associations rules " and 6 classes, respectively. Specific combinations of polysubstance use and time course (high baseline use and rapid decrease of use prior to initiation) predicts a worse relapse outcome. MBA showed individuals who co-used cocaine, heroin, prescription opioids, and cannabis had a higher risk for relapse (OR = 2.82, 95%CI = 1.13, 7.03). In RMLCA, higher risk of relapse was observed in individuals who presented with high baseline prescription opioid (OR = 1.9, 95% CI = 1.3, 2.76) or heroin use (OR = 3.54, 95%CI = 1.86, 6.72), although use decreased in both cases prior to treatment initiation. Conclusions Our analyses identified subgroups with distinct patterns of polysubstance use. Different patterns of polysubstance use differentially predict relapse outcomes. Interventions tailored to these individuals with specific polysubstance use patterns prior to treatment initiation may increase the effectiveness of relapse prevention.
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Affiliation(s)
- Yue Pan
- Department of Public Health Sciences, Division of Biostatistics, University of Miami, Office 1023, 1120 NW 14th St, Miami, FL 33136, USA,Corresponding author. (Y. Pan)
| | - Daniel J. Feaster
- Department of Public Health Sciences, Division of Biostatistics, University of Miami, Office 1023, 1120 NW 14th St, Miami, FL 33136, USA
| | - Gabriel Odom
- Department of Biostatistics, Florida International University, USA
| | - Laura Brandt
- Department of Psychology, The City College of New York, USA
| | - Mei-Chen Hu
- Department of Psychiatry, Columbia University, USA
| | - Roger D. Weiss
- Department of Psychiatry, Harvard Medical School, Boston, and McLean Hospital, USA
| | - John Rotrosen
- Department of Psychiatry, NYU Grossman School of Medicine, USA
| | - Andrew J. Saxon
- Department of Psychiatry and Behavioral Sciences, University of Washington, USA
| | - Sean X. Luo
- Department of Psychiatry, Columbia University, USA
| | - Raymond R. Balise
- Department of Public Health Sciences, Division of Biostatistics, University of Miami, Office 1023, 1120 NW 14th St, Miami, FL 33136, USA
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Picci G, Linden-Carmichael AN, Rose EJ. Resilience profiles predict polysubstance use in adolescents with a history of childhood maltreatment. ADDICTION RESEARCH & THEORY 2022; 31:137-147. [PMID: 36935733 PMCID: PMC10021075 DOI: 10.1080/16066359.2022.2132237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 09/19/2022] [Accepted: 09/30/2022] [Indexed: 06/18/2023]
Abstract
Background Childhood maltreatment (CM) can be an impediment to normative development and consistently predicts increased risk for substance misuse and polysubstance use (polySU). Yet, a subset of individuals who experience CM exhibit successful adaptations across the lifespan. Although there is an expansive literature on socioemotional and cognitive protective factors that mitigate impacts of CM, less is known about other, intra-individual resilience-promoting factors (e.g., positive future orientation) known to assuage high-risk SU patterns during adolescence. Method This study examined heterogeneity in individual-level resilience characteristics in maltreated youth as it related to CM characteristics and SU patterns during adolescence. Participants included maltreated youth from the longitudinal LONGSCAN sample (N=355; 181 females). Latent Profile Analysis was used to identify subgroups of CM-exposed individuals based on 5 resilience indicator variables (i.e., commitment to goals, engaging in demanding activities, self-reliance, positive future orientation, and externalizing behaviors). Tests for differences in SU patterns and CM characteristics between the resultant profiles were performed. Results Data models revealed 3 latent profiles based on participants' resilience traits (i.e., Low Resilience, Average Resilience, and High Resilience). There were no profile differences on the basis of CM characteristics. Those in the High Resilience profile were less likely to engage in polySU compared to the Average Resilience profile. Implications These findings highlight the promise of individual-level resilience factors that are not necessarily dependent upon caregiver or environmental inputs as protective against polySU following CM. This work represents a promising avenue for future preventative intervention efforts targeting emergent SU behaviors in high-risk youth.
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Affiliation(s)
- Giorgia Picci
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Ashley N. Linden-Carmichael
- The Edna Bennett Pierce Prevention Research Center, The Pennsylvania State University, University Park, PA, USA
| | - Emma J. Rose
- Department of Psychology, The Pennsylvania State University, University Park, PA, USA
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Robinson LD, Kelly PJ, Larance BK, Griffiths S, Deane FP. Eating Disorder Behaviours and Substance Use in Women Attending Treatment for Substance Use Disorders: a Latent Class Analysis. Int J Ment Health Addict 2022. [DOI: 10.1007/s11469-021-00497-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Lalwani K, Whitehorne-Smith P, Walcott G, McLeary JG, Mitchell G, Abel W. Prevalence and sociodemographic factors associated with polysubstance use: analysis of a population-based survey in Jamaica. BMC Psychiatry 2022; 22:513. [PMID: 35902836 PMCID: PMC9334544 DOI: 10.1186/s12888-022-04160-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 07/20/2022] [Indexed: 11/02/2022] Open
Abstract
BACKGROUND In Latin America and the Caribbean, there is a dearth of research exploring polysubstance use. This study aims to determine the prevalence, varying combinations and associated sociodemographic characteristics of polysubstance use in Jamaica. METHODS This study involved a secondary data analysis of the Jamaica National Drug Prevalence Survey 2016 dataset where 4,623 participants between the age of 12 and 65 years from each household were randomly selected as respondents. Statistical analysis was performed to determine the prevalence and the sociodemographic correlates of polysubstance use among Jamaicans. RESULTS 19.6% of respondents used two or more drugs in their lifetime. Of this amount 68.7% reported past year use and 61.9% reported past month use. Bivariate analyses reported polysubstance use was statistically significantly higher amongst males (U = 54,579, p = 0.000), those living in rural areas (U = 91,892, p = 0.003), non-Christian (U = 89,514, p = 0.014), and married persons (U = 74,672, p = 0.000). Past month polysubstance use was statistically significantly higher among employed persons than unemployed persons were (U = 81,342, p = 0.001). Surprisingly, there was a lack of significant differences between education level, household income and past month concurrent polysubstance use (p = 0.609; p = 0.115 respectively). Logistic regression model indicated males were 3.076 times more likely than females to report past month polysubstance use than females. Also, when compared to those 55-65 years old, participants 35-54 years were 2.922 times more likely and those 18-34 years were 4.914 times more likely to report past month polysubstance use. Additionally, those living in rural areas were 1.508 times more likely than participants living in urban areas to report past month polysubstance use. As it relates to occupational status, when compared to armed forces, skilled workers were 4.328 times more likely and unskilled workers were 7.146 times more likely to report past month polysubstance use. CONCLUSIONS One in five Jamaicans identified as polysubstance users, predominated by marijuana as the most common factor amongst the polysubstance combinations examined, signalling the need for early marijuana interventions.
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Affiliation(s)
- Kunal Lalwani
- Dept of Community Health and Psychiatry, University of the West Indies, Mona, Kingston, Jamaica.
| | | | - Geoffrey Walcott
- grid.12916.3d0000 0001 2322 4996Dept of Community Health and Psychiatry, University of the West Indies, Mona, Kingston, Jamaica
| | - Joni-Gaye McLeary
- grid.12916.3d0000 0001 2322 4996Dept of Community Health and Psychiatry, University of the West Indies, Mona, Kingston, Jamaica
| | - Gabrielle Mitchell
- grid.12916.3d0000 0001 2322 4996Dept of Community Health and Psychiatry, University of the West Indies, Mona, Kingston, Jamaica
| | - Wendel Abel
- grid.12916.3d0000 0001 2322 4996Dept of Community Health and Psychiatry, University of the West Indies, Mona, Kingston, Jamaica
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12
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Connor JP, Stjepanović D, Budney AJ, Le Foll B, Hall WD. Clinical management of cannabis withdrawal. Addiction 2022; 117:2075-2095. [PMID: 34791767 PMCID: PMC9110555 DOI: 10.1111/add.15743] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 10/27/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIMS Cannabis withdrawal is a well-characterized phenomenon that occurs in approximately half of regular and dependent cannabis users after abrupt cessation or significant reductions in cannabis products that contain Δ9 -tetrahydrocannabinol (THC). This review describes the diagnosis, prevalence, course and management of cannabis withdrawal and highlights opportunities for future clinical research. METHODS Narrative review of literature. RESULTS Symptom onset typically occurs 24-48 hours after cessation and most symptoms generally peak at days 2-6, with some symptoms lasting up to 3 weeks or more in heavy cannabis users. The most common features of cannabis withdrawal are anxiety, irritability, anger or aggression, disturbed sleep/dreaming, depressed mood and loss of appetite. Less common physical symptoms include chills, headaches, physical tension, sweating and stomach pain. Despite limited empirical evidence, supportive counselling and psychoeducation are the first-line approaches in the management of cannabis withdrawal. There are no medications currently approved specifically for medically assisted withdrawal (MAW). Medications have been used to manage short-term symptoms (e.g. anxiety, sleep, nausea). A number of promising pharmacological agents have been examined in controlled trials, but these have been underpowered and positive findings not reliably replicated. Some (e.g. cannabis agonists) are used 'off-label' in clinical practice. Inpatient admission for MAW may be clinically indicated for patients who have significant comorbid mental health disorders and polysubstance use to avoid severe complications. CONCLUSIONS The clinical significance of cannabis withdrawal is that its symptoms may precipitate relapse to cannabis use. Complicated withdrawal may occur in people with concurrent mental health and polysubstance use.
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Affiliation(s)
- Jason P. Connor
- National Centre for Youth Substance Use ResearchThe University of QueenslandSt LuciaQLDAustralia,Discipline of Psychiatry, Faculty of MedicineThe University of QueenslandHerstonQLDAustralia
| | - Daniel Stjepanović
- National Centre for Youth Substance Use ResearchThe University of QueenslandSt LuciaQLDAustralia
| | - Alan J. Budney
- Center for Technology and Behavioral HealthGeisel School of Medicine at DartmouthLebanonNHUSA
| | - Bernard Le Foll
- Translational Addiction Research Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental HealthUniversity of TorontoONCanada,Departments of Family and Community Medicine, Psychiatry, Pharmacology and ToxicologyUniversity of TorontoONCanada
| | - Wayne D. Hall
- National Centre for Youth Substance Use ResearchThe University of QueenslandSt LuciaQLDAustralia,Queensland Alliance for Environmental Health SciencesThe University of QueenslandWoolloongabbaQLDAustralia
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13
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Karamouzian M, Pilarinos A, Hayashi K, Buxton JA, Kerr T. Latent patterns of polysubstance use among people who use opioids: A systematic review. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2022; 102:103584. [DOI: 10.1016/j.drugpo.2022.103584] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/20/2021] [Accepted: 01/11/2022] [Indexed: 02/07/2023]
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14
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Daldegan-Bueno D, Maia LO, Glass M, Jutras-Aswad D, Fischer B. Co-exposure of cannabinoids with amphetamines and biological, behavioural and health outcomes: a scoping review of animal and human studies. Psychopharmacology (Berl) 2022; 239:1211-1230. [PMID: 34613429 PMCID: PMC9110457 DOI: 10.1007/s00213-021-05960-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 08/02/2021] [Indexed: 02/04/2023]
Abstract
RATIONALE The growing prevalence of psychostimulant (including amphetamine) use and associated health harms, with limited treatment options, present a global challenge. There is an increasing availability and medical applications of cannabinoids, and growing interest in their therapeutic potential for addictive disorders. OBJECTIVES The objective of this study is to review available data regarding cannabis/cannabinoid co-use or exposure on amphetamine-related outcomes. METHODS Towards the present scoping review, we systematically searched four databases (Medline, Web-of-Science, CINAHL Plus and PsycInfo) using cannabis/cannabinoid and amphetamine text-terms identifying peer-reviewed, English-language studies published in 2000-2020 involving multiple methods approaches among both human and animal study samples, assessing the association of co-use/administration of cannabis/cannabinoids products with non-medical amphetamines on biological, behavioural or health outcomes. RESULTS Twenty-five articles were included. Pre-clinical studies (n = 15) found mostly protective effects of single or repeated cannabinoids administration on rodents in amphetamine addiction models, amphetamine-induced models of human mental disorders (e.g. schizophrenia) and amphetamine-induced neurotoxicity. Human studies (n = 10) were more heterogeneously designed (e.g. cross-sectional, case-control, longitudinal) and assessed natural ongoing cannabis and methamphetamine use or dependence, showing mostly enhanced harms in a diversity of outcomes (e.g. mental health, methamphetamine use, cognition). CONCLUSIONS While human studies suggest cannabis use as an adverse risk factor among non-medical amphetamine users, pre-clinical studies suggest therapeutic potential of cannabinoids, especially cannabidiol, to alleviate amphetamine addiction and harms, including treatment outcomes. Given increasing psychostimulant harms but lack of care options, rigorous, high-quality design studies should aim to translate and investigate pre-clinical study results for potential therapeutic benefits of cannabinoids for amphetamine use/abuse in human subjects.
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Affiliation(s)
- Dimitri Daldegan-Bueno
- Schools of Population Health and Pharmacy, Faculty of Medical and Health Sciences, University of Auckland, 85 Park Rd, Grafton, Auckland 1023 New Zealand
| | - Lucas O. Maia
- Centre for Applied Research in Mental Health & Addiction, Simon Fraser University, 515 W. Hastings Street,, Vancouver, BC V6B 5K3 Canada
| | - Michelle Glass
- Department of Pharmacology and Toxicology, University of Otago, PO Box 56, Dunedin, 9054 Otago New Zealand
| | - Didier Jutras-Aswad
- Centre de Recherche, Centre Hospitalier Universitaire de Universite de Montreal (CHUM), 1051 Rue Sanguinet, Montréal, QC H2X 3E4 Canada ,Department of Psychiatry and Addiction, Faculty of Medicine, Université de Montréal, Pavillon Roger-Gaudry, 2900 Edouard Montpetit Blvd, Montreal, QC H3T 1J4 Canada
| | - Benedikt Fischer
- Schools of Population Health and Pharmacy, Faculty of Medical and Health Sciences, University of Auckland, 85 Park Rd, Grafton, Auckland, 1023, New Zealand. .,Centre for Applied Research in Mental Health & Addiction, Simon Fraser University, 515 W. Hastings Street,, Vancouver, BC, V6B 5K3, Canada. .,Department of Psychiatry, University of Toronto, 250 College Street, 8Th Floor, Toronto, ON, M5T 1R8, Canada. .,Department of Psychiatry, Federal University of Sao Paulo (UNIFESP), R. Dr. Ovídio Pires de Campos, Sao Paulo, 785 05403-903, Brazil.
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15
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Martin AMS, Kim DJ, Newman SD, Cheng H, Hetrick WP, Mackie K, O’Donnell BF. Altered cerebellar-cortical resting-state functional connectivity in cannabis users. J Psychopharmacol 2021; 35:823-832. [PMID: 34034553 PMCID: PMC8813046 DOI: 10.1177/02698811211019291] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Cannabis use has been associated with abnormalities in cerebellar mediated motor and non-motor (i.e. cognition and personality) phenomena. Since the cerebellum is a region with high cannabinoid type 1 receptor density, these impairments may reflect alterations of signaling between the cerebellum and other brain regions. AIMS We hypothesized that cerebellar-cortical resting-state functional connectivity (rsFC) would be altered in cannabis users, relative to their non-using peers. It was also hypothesized that differences in rsFC would be associated with cannabis use features, such as age of initiation and lifetime use. METHODS Cerebellar-cortical and subcortical rsFCs were computed between 28 cerebellar lobules, defined by a spatially unbiased atlas template of the cerebellum, and individual voxels in the cerebral regions, in 41 regular cannabis users (20 female) and healthy non-using peers (N = 31; 18 female). We also investigated associations between rsFC and cannabis use features (e.g. lifetime cannabis use and age of initiation). RESULTS Cannabis users demonstrated hyperconnectivity between the anterior cerebellar regions (i.e. lobule I-IV) with the posterior cingulate cortex, and hypoconnectivity between the rest of the cerebellum (i.e. Crus I and II, lobule VIIb, VIIIa, VIIIb, IX, and X) and the cortex. No associations were observed between features of cannabis use and rsFC. CONCLUSIONS Cannabis use was associated with altered patterns of rsFC from the cerebellum to the cerebral cortex which may have a downstream impact on behavior and cognition.
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Affiliation(s)
- Ashley M Schnakenberg Martin
- Department of Psychological and Brain Sciences and Program in Neuroscience, Indiana University, Bloomington, IN, USA,Psychology Service, VA Connecticut Healthcare System, West Haven, CT, USA,Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Dae-Jin Kim
- Department of Psychological and Brain Sciences and Program in Neuroscience, Indiana University, Bloomington, IN, USA
| | - Sharlene D Newman
- Department of Psychological and Brain Sciences and Program in Neuroscience, Indiana University, Bloomington, IN, USA
| | - Hu Cheng
- Department of Psychological and Brain Sciences and Program in Neuroscience, Indiana University, Bloomington, IN, USA
| | - William P Hetrick
- Department of Psychological and Brain Sciences and Program in Neuroscience, Indiana University, Bloomington, IN, USA,Department of Psychiatry, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Ken Mackie
- Department of Psychological and Brain Sciences and Program in Neuroscience, Indiana University, Bloomington, IN, USA,Department of Psychiatry, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Brian F O’Donnell
- Department of Psychological and Brain Sciences and Program in Neuroscience, Indiana University, Bloomington, IN, USA,Department of Psychiatry, Indiana University School of Medicine, Indianapolis, Indiana, USA
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16
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Peppin JF, Pergolizzi Jr JV, Fudin J, Meyer TA, Raffa RB. History of Respiratory Stimulants. J Pain Res 2021; 14:1043-1049. [PMID: 33889020 PMCID: PMC8057823 DOI: 10.2147/jpr.s298607] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/02/2021] [Indexed: 11/24/2022] Open
Abstract
The interest in substances that stimulate respiration has waxed and waned throughout the years, intensifying following the introduction of a new class of drugs that causes respiratory depression, and diminishing when antidotes or better drug alternatives are found. Examples include the opioids--deaths increasing during overprescribing, diminishing with wider availability of the opioid receptor antagonist naloxone, increasing again during COVID-19; the barbiturates--until largely supplanted by the benzodiazepines; propofol; and other central nervous system depressants. Unfortunately, two new troubling phenomena force a reconsideration of the status-quo: (1) overdoses due to highly potent opioids such as fentanyl, and even more-potent licit and illicit fentanyl analogs, and (2) overdose due to polysubstance use (the combination of an opioid plus one or more non-opioid drug, such as a benzodiazepine, sedating antidepressant, skeletal muscle relaxant, or various other agents). Since these now represent the majority of cases, new solutions are again needed. An interest in respiratory stimulants has been revived. This interest can be informed by a short review of the history of this interesting class of medications. We present a short history of the trajectory of advances toward more selective and safer respiratory stimulants.
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Affiliation(s)
- John F Peppin
- Marian University College of Osteopathic Medicine, Indianapolis, IN, USA
- Pikeville University College of Osteopathic Medicine, Pikeville, KY, USA
| | - Joseph V Pergolizzi Jr
- Enalare Therapeutics Inc., Princeton, NJ, USA
- NEMA Research Inc., Naples, FL, USA
- Neumentum Inc., Summit, NJ, USA
| | - Jeffrey Fudin
- Western New England College of Pharmacy, Springfield, MA, USA
- Albany College of Pharmacy & Health Sciences Union University, Albany, NY, USA
- Remitigate Therapeutics, Delmar, NY, USA
| | | | - Robert B Raffa
- Enalare Therapeutics Inc., Princeton, NJ, USA
- Neumentum Inc., Summit, NJ, USA
- University of Arizona College of Pharmacy, Tucson, AZ, USA
- Temple University School of Pharmacy, Philadelphia, PA, USA
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17
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Abstract
Cannabis use disorder (CUD) is an underappreciated risk of using cannabis that affects ~10% of the 193 million cannabis users worldwide. The individual and public health burdens are less than those of other forms of drug use, but CUD accounts for a substantial proportion of persons seeking treatment for drug use disorders owing to the high global prevalence of cannabis use. Cognitive behavioural therapy, motivational enhancement therapy and contingency management can substantially reduce cannabis use and cannabis-related problems, but enduring abstinence is not a common outcome. No pharmacotherapies have been approved for cannabis use or CUD, although a number of drug classes (such as cannabinoid agonists) have shown promise and require more rigorous evaluation. Treatment of cannabis use and CUD is often complicated by comorbid mental health and other substance use disorders. The legalization of non-medical cannabis use in some high-income countries may increase the prevalence of CUD by making more potent cannabis products more readily available at a lower price. States that legalize medical and non-medical cannabis use should inform users about the risks of CUD and provide information on how to obtain assistance if they develop cannabis-related mental and/or physical health problems.
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18
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Howe LK, Fisher LR, Atkinson EA, Finn PR. Symptoms of anxiety, depression, and borderline personality in alcohol use disorder with and without comorbid substance use disorder. Alcohol 2021; 90:19-25. [PMID: 33232791 DOI: 10.1016/j.alcohol.2020.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 10/13/2020] [Accepted: 11/07/2020] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Alcohol use disorder (AUD) is highly comorbid with other substance use disorders (SUDs) as well as other psychiatric disorders, such as anxiety, depression, and Borderline Personality Disorder (BPD). However, studies of persons with AUD rarely account for its comorbidity with other SUDs. Some research suggests that BPD symptoms reflect an important connection between internalizing disorders and SUDs. The current study investigated: 1) the levels of trait anxiety and symptoms of depression and BPD in persons with an AUD as a function of comorbid SUDs (cannabis use disorder - CUD) and other substance use disorder (oSUD), and 2) the influence of BPD on the association between severity of overall lifetime SUD symptoms (AUD + CUD + oSUD) and both trait anxiety and symptoms of depression. METHOD Trait anxiety and symptoms of depression and BPD were assessed in 671 young adults (351 men; 320 women; mean age 21 years) separated into four groups: Controls (n = 185), AUD-only (134), AUD + CUD (n = 210), and AUD + oSUD (n = 142). RESULTS Trait anxiety and symptoms of depression and BPD were elevated in all AUD groups compared with controls, and in the AUD + oSUD group compared with all other groups as well. Structural models also indicated that BPD symptoms accounted for all of the variance in lifetime SUD symptoms associated with Trait Anxiety, and a significant portion of the variance in lifetime SUD symptoms associated with depression symptoms. CONCLUSION Results indicate that when AUD is comorbid with oSUD, it is associated with more severe AUD symptoms and higher levels of trait anxiety and symptoms of both depression and BPD. The results also indicate that BPD symptoms account for the majority of the variance in SUD symptoms associated with both trait anxiety and depression, suggesting that a considerable amount of the internalizing symptomatology in AUD/SUDs is associated with BPD psychopathology.
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19
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Peppin JF, Raffa RB, Schatman ME. The Polysubstance Overdose-Death Crisis. J Pain Res 2020; 13:3405-3408. [PMID: 33364823 PMCID: PMC7751289 DOI: 10.2147/jpr.s295715] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 12/08/2020] [Indexed: 12/14/2022] Open
Affiliation(s)
- John F Peppin
- Department of Internal Medicine, Marian University College of Osteopathic Medicine, Indianapolis, IN, USA
| | - Robert B Raffa
- Temple University School of Pharmacy, Philadelphia, PA, USA.,University of Arizona College of Pharmacy, Tucson, AZ, USA.,Neumentum, Inc., Morristown, NJ, USA.,Enalare Therapeutics, Naples, FL, USA
| | - Michael E Schatman
- Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Boston, MA, USA.,Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA, USA
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20
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Wheeler PB, Stevens-Watkins D, Dogan JN, McCarthy D. Polysubstance use among frequent marijuana users: an examination of John Henryism Active Coping, psychiatric symptoms, and family social support among African American incarcerated men. J Ethn Subst Abuse 2020; 21:553-569. [PMID: 32697626 DOI: 10.1080/15332640.2020.1793861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Incarcerated African American men who use marijuana are vulnerable to polysubstance use, which is associated with greater risk for negative health and psychosocial outcomes than marijuana use alone. It is imperative to understand risk and protective factors for polysubstance use among this vulnerable population to inform the development of culturally tailored substance use interventions. The current study examined the association between John Henryism Active Coping (JHAC), family social support, psychiatric symptoms, and polysubstance use among African American incarcerated men who frequently use marijuana. Results indicated that higher John Henryism Active Coping (JHAC) is associated with decreased likelihood of engaging in polysubstance use, while psychiatric symptoms are associated with increased likelihood of polysubstance use. Incorporating elements of JHAC into concurrent mental health and substance use treatment may reduce risk for overdose and reincarceration among African American incarcerated men upon release into the community.
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Affiliation(s)
- Paris B Wheeler
- Department of Educational, School, and Counseling Psychology, University of Kentucky, Lexington, Kentucky
| | - Danelle Stevens-Watkins
- Department of Educational, School, and Counseling Psychology, University of Kentucky, Lexington, Kentucky
| | - Jardin N Dogan
- Department of Educational, School, and Counseling Psychology, University of Kentucky, Lexington, Kentucky
| | - Daniel McCarthy
- Department of Educational, School, and Counseling Psychology, University of Kentucky, Lexington, Kentucky
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21
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Bailey AJ, Finn PR. Examining the Utility of a General Substance Use Spectrum Using Latent Trait Modeling. Drug Alcohol Depend 2020; 212:107998. [PMID: 32362437 PMCID: PMC7293921 DOI: 10.1016/j.drugalcdep.2020.107998] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Polysubstance use (PSU; lifetime use of multiple substances) is common among individuals with problematic alcohol/substance use and is associated with poor prognosis and poor physical/mental health. Furthermore, simultaneous co-use of substances, such that drug effects overlap, is also common and related to unique risks (e.g. overdose). Despite the importance of PSU, current diagnostic systems continue to conceptualize problems with alcohol/substances as class-specific constructs (e.g. Stimulant Use Disorder), which essentially ignore many unique PSU processes. METHODS The current study modeled problems with alcohol, cannabis, stimulants, sedatives, opiates, and simultaneous co-use of these substances as a manifestation of a general substance use continuum versus as correlated class-specific constructs in a sample of young-adults(n = 2482) using confirmatory factor analysis. Utility of the models was evaluated by examining associations between the general substance use spectrum and class-specific latent factors with measures of anxiety, ADHD, adult antisocial problems, borderline symptoms, neuroticism, and intelligence in a subset of the sample(n=847). RESULTS Findings supported the conceptualization of problems with all substances, including co-use of substances, as being manifestations of a general substance use spectrum, as class-specific constructs were not differentially associated with other measures of psychological dysfunction. Examination of this general substance use spectrum indicated that all substances, separately and co-use, were robustly informative of this spectrum, but tended to discriminate between different severity levels. DISCUSSION The general substance use spectrum allows for integration of information from the use and co-use of all substances to provide better assessment of overall problems with substances compared to class-specific constructs.
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Affiliation(s)
- Allen J Bailey
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, USA; Department of Psychological and Brain Sciences, Indiana University, 1101 East 10th Street, Bloomington, IN, 47405, USA.
| | - Peter R Finn
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, USA; Department of Psychological and Brain Sciences, Indiana University, 1101 East 10th Street, Bloomington, IN, 47405, USA.
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22
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Crummy EA, O'Neal TJ, Baskin BM, Ferguson SM. One Is Not Enough: Understanding and Modeling Polysubstance Use. Front Neurosci 2020; 14:569. [PMID: 32612502 PMCID: PMC7309369 DOI: 10.3389/fnins.2020.00569] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 05/08/2020] [Indexed: 12/19/2022] Open
Abstract
Substance use disorder (SUD) is a chronic, relapsing disease with a highly multifaceted pathology that includes (but is not limited to) sensitivity to drug-associated cues, negative affect, and motivation to maintain drug consumption. SUDs are highly prevalent, with 35 million people meeting criteria for SUD. While drug use and addiction are highly studied, most investigations of SUDs examine drug use in isolation, rather than in the more prevalent context of comorbid substance histories. Indeed, 11.3% of individuals diagnosed with a SUD have concurrent alcohol and illicit drug use disorders. Furthermore, having a SUD with one substance increases susceptibility to developing dependence on additional substances. For example, the increased risk of developing heroin dependence is twofold for alcohol misusers, threefold for cannabis users, 15-fold for cocaine users, and 40-fold for prescription misusers. Given the prevalence and risk associated with polysubstance use and current public health crises, examining these disorders through the lens of co-use is essential for translatability and improved treatment efficacy. The escalating economic and social costs and continued rise in drug use has spurred interest in developing preclinical models that effectively model this phenomenon. Here, we review the current state of the field in understanding the behavioral and neural circuitry in the context of co-use with common pairings of alcohol, nicotine, cannabis, and other addictive substances. Moreover, we outline key considerations when developing polysubstance models, including challenges to developing preclinical models to provide insights and improve treatment outcomes.
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Affiliation(s)
- Elizabeth A Crummy
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, United States.,Center for Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA, United States.,Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, United States.,Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA, United States
| | - Timothy J O'Neal
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, United States.,Center for Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA, United States.,Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, United States.,Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA, United States
| | - Britahny M Baskin
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, United States.,Center for Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA, United States.,Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, United States.,Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA, United States
| | - Susan M Ferguson
- Center for Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA, United States.,Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, United States.,Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA, United States.,Alcohol and Drug Abuse Institute, University of Washington, Seattle, WA, United States
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23
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Geissler KH, Kaizer K, Johnson JK, Doonan SM, Whitehill JM. Evaluation of Availability of Survey Data About Cannabis Use. JAMA Netw Open 2020; 3:e206039. [PMID: 32520358 PMCID: PMC7287570 DOI: 10.1001/jamanetworkopen.2020.6039] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
IMPORTANCE In response to increasing public support for cannabis legalization, understanding associations of state and federal policy changes related to cannabis legalization with patterns of cannabis use is important. A challenge for public health monitoring and research is significant variation in data availability related to cannabis use behaviors and perceptions across and within states and over time, including the availability of prelegalization vs postlegalization data. OBJECTIVE To review data available on cannabis use and related behaviors over time in Massachusetts and the US. DESIGN, SETTING, AND PARTICIPANTS This case series examined state and national surveys on public health and related behaviors and outcomes to review availability of cannabis-related data for Massachusetts for 8 key indicators over time. Additionally, the Behavioral Risk Factor Surveillance System (BRFSS) and Youth Risk Behavior Surveillance System for all states were reviewed. The analysis was conducted between February 1, 2019, and March 18, 2020. EXPOSURES Surveys that enable state-level estimation of cannabis use and related behaviors. MAIN OUTCOMES AND MEASURES Eight key indicators related to cannabis use behaviors and perceptions: lifetime cannabis use, age of initiation, frequency of use, location of use, method of use, source of cannabis, perceptions of cannabis, and reason for use (ie, medical vs nonmedical). RESULTS There were 7 surveys that monitored cannabis use and related behaviors in Massachusetts for adolescents and adults. No surveys monitored all 8 indicators of interest, and availability over time was limited. In the most recent BRFSS, 24 states asked cannabis-related questions, meaning BRFSS data on cannabis use was lacking for more than half of the US adult population. In the Youth Risk Behavior Surveillance System, 36 states asked standard cannabis questions; most other states had at least 1 question related to cannabis use and frequency. CONCLUSIONS AND RELEVANCE These findings of limitations of existing surveys, and particularly the lack of national questions in the BRFSS and Youth Risk Behavior Surveillance System, suggest that available data have substantial limitations for monitoring cannabis use. As cannabis policy changes continue, there is a need to remain focused on the availability of high-quality data sources that allow for critical public health research.
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Affiliation(s)
- Kimberley H. Geissler
- Department of Health Promotion and Policy, University of Massachusetts Amherst School of Public Health and Health Sciences, Amherst
| | - Kia Kaizer
- Department of Health Promotion and Policy, University of Massachusetts Amherst School of Public Health and Health Sciences, Amherst
| | | | | | - Jennifer M. Whitehill
- Department of Health Promotion and Policy, University of Massachusetts Amherst School of Public Health and Health Sciences, Amherst
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Amiet D, Youssef GJ, Hagg LJ, Lorenzetti V, Parkes L, Solowij N, Yücel M. Young Adults With Higher Motives and Expectancies of Regular Cannabis Use Show Poorer Psychosocial Functioning. Front Psychiatry 2020; 11:599365. [PMID: 33384630 PMCID: PMC7771276 DOI: 10.3389/fpsyt.2020.599365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 11/20/2020] [Indexed: 02/04/2023] Open
Abstract
Background: Young adults regularly using cannabis represent a uniquely vulnerable yet heterogeneous cohort. Few studies have examined user profiles using cannabis use motives and expectations. The association between user profiles and psychosocial functioning among only regular users remains unexplored. This exploration is important to improve public education efforts and design tailor treatment approaches. Methods: Regular cannabis users (at least weekly; n = 329) completed an online survey via Amazon Mechanical Turk. The survey measured levels of cannabis use, other substance use, motives and expectations of cannabis use, symptoms of psychosis, depression, anxiety and stress, and reckless behavior such as getting high before work or driving under the influence of cannabis. Latent class analysis was performed using motives and expectations to identify data driven patterns of regular cannabis use. Classes were then used to investigate mental health and behavioral correlates of differences in motives and expectations. Results: A 2-class solution provided the best fit to the data; Class 1: Low Motives and Expectancies (n = 158) characterized by lower endorsement across all motivation and expectation variables, and Class 2: High Motives and Expectancies (n = 171) characterized by endorsing multiple motivations, and higher positive and negative expectations of cannabis use. Classes differed in a range of cannabis use variables; e.g., greater proportion of peer use in Class 2. The High Motives and Expectancies users reported higher symptoms of psychosis (positive and negative symptoms), depression, anxiety, and stress. A higher proportion met the criteria for a cannabis use disorder compared with Low Motives and Expectancies users. High Motives and Expectancies users reported higher mean problems with nicotine dependence and illicit drug use other than cannabis and were more likely to get high before work and drive under the influence of cannabis. Conclusions: There is heterogeneity among young regular cannabis users in their motivations and expectancies of use and associated psychosocial functioning. Understanding motives and expectancies can help segregate which users are at higher risk of worse functioning. These findings are timely when designing targeted assessment and treatment strategies, particularly as cannabis is further decriminalized and accessibility increases.
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Affiliation(s)
- Danielle Amiet
- BrainPark, School of Psychological Sciences and Monash Biomedical Imaging Facility, Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
| | - George J Youssef
- Centre for Social and Early Emotional Development, School of Psychology, Deakin University, Geelong, VIC, Australia.,Centre for Adolescent Health, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, VIC, Australia
| | - Lauryn J Hagg
- Centre for Social and Early Emotional Development, School of Psychology, Deakin University, Geelong, VIC, Australia
| | - Valentina Lorenzetti
- Neuroscience of Addiction & Mental Health Program, Healthy Brain and Mind Research Centre, Faculty of Health Sciences, School of Behavioural & Health Sciences, Australian Catholic University, Melbourne, VIC, Australia
| | - Linden Parkes
- Department of Bioengineering, School of Engineering & Applied Science, University of Pennsylvania, Philadelphia, PA, United States
| | - Nadia Solowij
- School of Psychology and Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW, Australia.,The Australian Centre for Cannabinoid Clinical and Research Excellence, New Lambton Heights, NSW, Australia
| | - Murat Yücel
- BrainPark, School of Psychological Sciences and Monash Biomedical Imaging Facility, Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
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Cicero TJ, Ellis MS, Kasper ZA. Polysubstance Use: A Broader Understanding of Substance Use During the Opioid Crisis. Am J Public Health 2019; 110:244-250. [PMID: 31855487 DOI: 10.2105/ajph.2019.305412] [Citation(s) in RCA: 168] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Objectives. To understand important changes in co-occurring opioid and nonopioid drug use (i.e., polysubstance use) within the opioid epidemic in the United States.Methods. We analyzed survey data on the past month co-use of prescription and illicit opioids and 12 nonopioid psychoactive drug classes from a national sample of 15 741 persons entering treatment of opioid use disorder.Results. Past-month illicit opioid use increased from 44.8% in 2011 to 70.1% in 2018, while the use of prescription opioids alone dropped from 55.2% to 29.9%, yet overall remained high (94.5% to 85.2%). Past-month use of at least 1 nonopioid drug occurred in nearly all participants (> 90%), with significant increases in methamphetamine (+85%) and decreases across nonopioid prescription drug classes (range: -40% to -68%).Conclusions. Viewing opioid trends in a "silo" ignores the fact not only that polysubstance use is ubiquitous among those with opioid use disorder but also that significant changes in polysubstance use should be monitored alongside opioid trends.Public Health Implications. Treatment, prevention, and policymaking must address not only the supply and demand of a singular drug class but also the global nature of substance use overall.
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Affiliation(s)
- Theodore J Cicero
- All of the authors are with Washington University in St Louis, St Louis, MO
| | - Matthew S Ellis
- All of the authors are with Washington University in St Louis, St Louis, MO
| | - Zachary A Kasper
- All of the authors are with Washington University in St Louis, St Louis, MO
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26
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Elliott L, Haddock CK, Campos S, Benoit E. Polysubstance use patterns and novel synthetics: A cluster analysis from three U.S. cities. PLoS One 2019; 14:e0225273. [PMID: 31794586 PMCID: PMC6890248 DOI: 10.1371/journal.pone.0225273] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 10/31/2019] [Indexed: 02/04/2023] Open
Abstract
The rapid emergence of novel psychoactive substances within the past decade has raised new concerns about the harms associated with unregulated drug use. Synthetic analogues-chemically related to established psychoactive substances like cannabis sativa and catha edulis-in particular have proliferated rapidly, allowing little opportunity for scientific research or the establishment of informal guidelines for safe use among consumers. To explore how synthetic substance use relates to other forms of use, this paper presents an analysis of polysubstance use among a sample of 676 people who use illicit substances in the United States. Participants were sampled from three greater metropolitan areas (Houston/Galveston, Texas; New York City; and New Orleans, Louisiana). Study researchers used cluster-type analyses to develop dendrogram visualizations of the interrelationships between substance types. Results suggest a considerable variation in substance and polysubstance use patterns across states in the U.S. Polysubstance use clustered around well-observed combinations like MDMA/cannabis and cocaine/heroin. Synthetic cannabinoids and cathinones showed no strong clustering with other substances. High rates of binge drinking among users of other substances further support the importance of interventions sensitive to the clinical challenges of polysubstance use.
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Affiliation(s)
- Luther Elliott
- New York University, College of Global Public Health, Center for Drug Use and HIV/HCV Research, New York, New York, United States of America
- * E-mail:
| | | | - Stephanie Campos
- New York State Psychiatric Institute, Columbia University, New York, New York, United States of America
| | - Ellen Benoit
- North Jersey Community Research Initiative, Research Division, Newark, New Jersey, United States of America
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27
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Marmet S, Studer J, Wicki M, Bertholet N, Khazaal Y, Gmel G. Unique versus shared associations between self-reported behavioral addictions and substance use disorders and mental health problems: A commonality analysis in a large sample of young Swiss men. J Behav Addict 2019; 8:664-677. [PMID: 31891314 PMCID: PMC7044575 DOI: 10.1556/2006.8.2019.70] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND AND AIMS Behavioral addictions (BAs) and substance use disorders (SUDs) tend to co-occur; both are associated with mental health problems (MHPs). This study aimed to estimate the proportion of variance in the severity of MHPs explained by BAs and SUDs, individually and shared between addictions. METHODS A sample of 5,516 young Swiss men (mean = 25.47 years old; SD = 1.26) completed a self-reporting questionnaire assessing alcohol, cannabis, and tobacco use disorders, illicit drug use other than cannabis, six BAs (Internet, gaming, smartphone, Internet sex, gambling, and work) and four MHPs (major depression, attention-deficit hyperactivity disorder, social anxiety disorder, and borderline personality disorder). Commonality analysis was used to decompose the variance in the severity of MHPs explained (R2) by BAs and SUDs into independent commonality coefficients. These were calculated for unique BA and SUD contributions and for all types of shared contributions. RESULTS BAs and SUDs explained between a fifth and a quarter of the variance in severity of MHPs, but individual addictions explained only about half of this explained variance uniquely; the other half was shared between addictions. A greater proportion of variance was explained uniquely or shared within BAs compared to SUDs, especially for social anxiety disorder. CONCLUSIONS The interactions of a broad range of addictions should be considered when investigating their associations with MHPs. BAs explain a larger part of the variance in MHPs than do SUDs and therefore play an important role in their interaction with MHPs.
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Affiliation(s)
- Simon Marmet
- Addiction Medicine, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland,Corresponding author: Simon Marmet; Addiction Medicine, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Rue du Bugnon 23, CH-1011 Lausanne, Switzerland; Phone: +41 21 314 18 97; Fax: +41 21 314 05 62; E-mail:
| | - Joseph Studer
- Addiction Medicine, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Matthias Wicki
- Addiction Medicine, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Nicolas Bertholet
- Addiction Medicine, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Yasser Khazaal
- Addiction Medicine, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland,Research Centre, University Institute of Mental Health at Montréal, Québec, Canada
| | - Gerhard Gmel
- Addiction Medicine, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland,Research Department, Addiction Switzerland, Lausanne, Switzerland,Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, ON, Canada,Department of Health and Social Sciences, University of the West of England, Bristol, UK
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28
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Bailey AJ, Farmer EJ, Finn PR. Patterns of polysubstance use and simultaneous co-use in high risk young adults. Drug Alcohol Depend 2019; 205:107656. [PMID: 31706247 PMCID: PMC6901131 DOI: 10.1016/j.drugalcdep.2019.107656] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 09/12/2019] [Accepted: 09/13/2019] [Indexed: 11/27/2022]
Abstract
BACKGROUND Polysubstance use (PSU) is associated with worse prognosis and poorer physical and mental health compared to single substance use. The current study provides information about PSU patterns by examining a diverse range of alcohol/substance use behaviors ranging from low-level experimentation to indicators of severe abuse. In addition, the current study, for the first time, examines how simultaneous co-use of multiple substances cluster with other more commonly studied PSU behaviors. METHODS Latent Class Analysis was used to identify patterns of substance use, in a sample of young-adults (n = 2098), using 25 items from the Semi-Structured Assessment for the Genetics of Alcoholism (SSAGA-II) including: items assessing severity of problems with alcohol, cannabis, stimulants, opiates, and sedatives; items assessing # of lifetime uses; items assessing simultaneous co-use of all combinations of substances. Then the association of class membership and age, antisocial and impulsive personality, experience seeking, anxiety, and neuroticism was examined using Multinomial Regression. RESULTS Fit indices (i.e. AIC, SSABIC, and entropy) and interpretability of classes supported a five-class solution: "Low Problems" (32% of sample), "Alcohol Primary" (11%), "Alcohol and Cannabis" (25%), "Moderate PSU" (23%), and "Severe PSU" (9%). Simultaneous co-use behaviors discriminated between lower and higher severity groups. Externalizing personality constructs robustly predicted membership in the "Moderate" and "Severe" PSU classes compared to the "Alcohol Primary" class. CONCLUSIONS PSU patterns followed an additive pattern of use with lower severity classes using alcohol/cannabis and more severe classes using other illicit substances in addition. Co-use items provided valuable information about PSU severity.
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Affiliation(s)
- Allen J Bailey
- Department of Psychological and Brain Sciences, Indiana University-Bloomington, 1101 East 10th Street, Bloomington, IN 47405, USA.
| | - Eli J Farmer
- Department of Psychological and Brain Sciences, Indiana University-Bloomington, 1101 East 10th Street, Bloomington, IN 47405, USA.
| | - Peter R Finn
- Department of Psychological and Brain Sciences, Indiana University-Bloomington, 1101 East 10th Street, Bloomington, IN 47405, USA.
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29
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Timko C, Han X, Woodhead E, Shelley A, Cucciare MA. Polysubstance Use by Stimulant Users: Health Outcomes Over Three Years. J Stud Alcohol Drugs 2019. [PMID: 30422794 DOI: 10.15288/jsad.2018.79.799] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Studies show that stimulant users have varied substance use patterns and that polysubstance use is associated with poorer past or concurrent medical, mental health, and substance use outcomes. This study examined outcomes of substance use patterns prospectively. METHOD A latent class analysis was conducted to examine substance use patterns among adults using stimulants (n = 710; 38.6% women) at baseline, and the health and treatment utilization outcomes of different use patterns over the subsequent 3 years. To examine associations between latent class membership and outcomes, generalized estimating equation modeling was conducted. RESULTS Four classes of substance use patterns at baseline were identified, involving high use of (a) methamphetamine and marijuana (23%); (b) crack cocaine and alcohol (25%); (c) powder cocaine, alcohol, and marijuana (23%); and (d) nonprescribed opioids, alcohol, marijuana, crack cocaine, and powder cocaine (i.e., polysubstance [29%]). Polysubstance class members had poorer physical health and mental health status, and more severe substance use, over the subsequent 3-year period, than other class members. Regarding treatment utilization, polysubstance class members had more medical care utilization than crack cocaine class members, and more substance use treatment utilization than powder cocaine class members. The methamphetamine, crack cocaine, and powder cocaine classes did not differ from each other on any health or treatment utilization outcome. CONCLUSIONS People using stimulants commonly use other substances, and those whose polysubstance use includes nonprescribed opioids have especially poor health outcomes.
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Affiliation(s)
- Christine Timko
- Center for Innovation to Implementation, Veterans Affairs (VA) Health Care System, Menlo Park, California.,Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California
| | - Xiaotong Han
- Division of Health Services Research, Psychiatric Research Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas.,Center for Mental Healthcare and Outcomes Research, Central Arkansas Veterans Healthcare System, North Little Rock, Arkansas.,VA South Central (VISN 16) Mental Illness Research, Education, and Clinical Center, Central Arkansas Veterans Healthcare System, North Little Rock, Arkansas
| | - Erin Woodhead
- Department of Psychology, San Jose State University, San Jose, California
| | - Alexandra Shelley
- Center for Innovation to Implementation, Veterans Affairs (VA) Health Care System, Menlo Park, California
| | - Michael A Cucciare
- Center for Mental Healthcare and Outcomes Research, Central Arkansas Veterans Healthcare System, North Little Rock, Arkansas.,VA South Central (VISN 16) Mental Illness Research, Education, and Clinical Center, Central Arkansas Veterans Healthcare System, North Little Rock, Arkansas.,Department of Psychiatry, University of Arkansas for Medical Sciences, Little Rock, Arkansas
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30
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Marmet S, Studer J, Lemoine M, Grazioli VS, Bertholet N, Gmel G. Reconsidering the associations between self-reported alcohol use disorder and mental health problems in the light of co-occurring addictions in young Swiss men. PLoS One 2019; 14:e0222806. [PMID: 31568530 PMCID: PMC6768466 DOI: 10.1371/journal.pone.0222806] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 09/07/2019] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Alcohol use disorder (AUD) is known to co-occur with other addictions, as well as with mental health problems. However, the effects of other addictions co-occurring with AUD on mental health problems were rarely studied and not considering them may bias estimates of the association between AUD and mental health problems. This study investigated which role co-occurring addictions play for the cross-sectional associations between self-reported AUD and mental health problems. METHOD Participants were 5516 young Swiss men (73.0% of those that gave written informed consent) who completed a self-report questionnaire. Using short screening questionnaires, we assessed three substance use disorders (alcohol, cannabis and tobacco), seven behavioural addictions (internet, gaming, smartphone, internet sex, gambling, work, exercise) and four mental health problems (major depression, bipolar disorder, attention deficit hyperactivity disorder (ADHD) and social anxiety disorder). Differences in the proportions of mental health problems were tested using logistic regressions between (1) participants with no AUD and AUD, (2) participants with no AUD and AUD alone and (3) participants with no AUD and AUD plus at least one co-occurring addiction. RESULTS Overall, (1) participants with AUD had higher proportions of major depression (Odds ratio (OR [95% confidence interval]) = 3.51 [2.73, 4.52]; ADHD (OR = 3.12 [2.41, 4.03]); bipolar disorder (OR = 4.94 [3.38, 7.21]) and social anxiety (OR = 2.21 [1.79, 2.73])) compared to participants with no AUD. Considering only participants with AUD alone compared to participants with no AUD (2), differences in proportions were no longer significant for major depression (OR = 0.83 [0.42, 1.64]), bipolar disorder (OR = 1.69 [0.67, 4.22]), social anxiety (OR = 1.15 [0.77, 1.73]) and ADHD (OR = 1.65 [1.00, 2.72]) compared to participants with no AUD. In contrast, (3) proportions of mental health problems were considerably higher for participants with AUD plus at least one other addiction when compared to participants with no AUD, with OR's ranging from 2.90 [2.27, 3.70] for social anxiety, 4.03 [3.02, 5.38] for ADHD, 5.29 [4.02, 6.97] for major depression to 6.64 [4.44, 9.94] for bipolar disorder. CONCLUSIONS AUD was associated with all four measured mental health problems. However, these associations were mainly due to the high proportions of these mental health problems in participants with AUD plus at least one co-occurring addiction and only to a lesser degree due to participants with AUD alone (i.e. without any other co-occurring addictions). Hence, estimates of the association between AUD and mental health problems that do not consider other addictions may be biased (i.e. overestimated). These findings imply that considering addictions co-occurring with AUD, including behavioural addictions, is important when investigating associations between AUD and mental health problems, and for the treatment of AUD and co-morbid disorders.
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Affiliation(s)
- Simon Marmet
- Addiction Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Joseph Studer
- Addiction Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Mélissa Lemoine
- Addiction Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Véronique S. Grazioli
- Addiction Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Nicolas Bertholet
- Addiction Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Gerhard Gmel
- Addiction Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Addiction Switzerland, Lausanne, Switzerland
- Centre for Addiction and Mental Health, Toronto, Canada
- University of the West of England, Frenchay Campus, Bristol, United Kingdom
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Hanzal N, Joyce K, Tibbo P, Stewart S. A Pilot Daily Diary Study of Changes in Stress and Cannabis Use Quantity Across the Menstrual Cycle. ACTA ACUST UNITED AC 2019. [DOI: 10.26828/cannabis.2019.02.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Khat use and psychotic symptoms in a rural Khat growing population in Kenya: a household survey. BMC Psychiatry 2019; 19:137. [PMID: 31064338 PMCID: PMC6505064 DOI: 10.1186/s12888-019-2118-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 04/15/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Khat is an amphetamine like psychostimulant chewed by over 10 million people globally. Khat use is thought to increase the risk of psychosis among its chewers. The evidence around this however remains inconclusive stemming from the scanty number of studies in this area and small study sample sizes. We undertook a large household survey to determine the association between psychotic symptoms and khat chewing in a rural khat growing and chewing population in Kenya. METHODS For this cross-sectional household survey, we randomly selected 831 participants aged 10 years and above residing in the Eastern region of Kenya. We used the psychosis screening questionnaire (PSQ) to collect information on psychotic symptoms and a researcher designed sociodemographic and clinical questionnaire to collect information on its risk factors. We used descriptive analysis to describe the burden of khat chewing and other substance use as well as rates and types of psychotic symptoms. Using a univariate and multivariate analyses with 95% confidence interval, we estimated the association between khat chewing and specific psychotic symptoms. RESULTS The prevalence of current khat chewing in the region was at 36.8% (n = 306) with a male gender predominance (54.8%). At least one psychotic symptom was reported by 16.8% (n = 168) of the study population. Interestingly, psychotic symptoms in general were significantly prevalent in women (19.5%) compared to men (13.6%) (p = 0.023). Khat chewing was significantly associated with reported strange experiences (p = 0.024) and hallucinations (p = 0.0017), the two predominantly reported psychotic symptoms. In multivariate analysis controlling for age, gender, alcohol use and cigarette smoking, there was a positive association of strange experiences (OR, 2.45; 95%CI, 1.13-5.34) and hallucination (OR, 2.08; 95% C.I, 1.06-4.08) with khat chewing. Of note was the high concurrent polysubstance use among khat chewers specifically alcohol use (78.4%) and cigarette smoking (64.5%). CONCLUSIONS Psychotic symptoms were significantly elevated in khat users in this population. Future prospective studies examining dose effect and age of first use may establish causality.
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Savonen J, Hakkarainen P, Kataja K, Sakki I, Tigerstedt C. Social representations of polydrug use in a Finnish newspaper 1990–2016. DRUGS AND ALCOHOL TODAY 2018. [DOI: 10.1108/dat-04-2018-0019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Purpose
The purpose of this paper is to study the social representations of polydrug use in the Finnish mainstream media. Social representations are shared ways of talking about socially relevant issues and have ramifications on both individual and socio-political levels.
Design/methodology/approach
The social representations theory and the “What’s the problem represented to be?” analysis provided the theoretical framework. In total, 405 newspaper articles were used as data and analysed by content analysis and thematic analysis. The key tenets of the social representations theory, anchoring, objectifying and naturalisation, were used in data analysis.
Findings
The study found that polydrug use was written about differently in articles over the study period from 1990 to 2016. Three social representations were introduced: first, polydrug use as a concept was used to refer to the co-use of alcohol and medical drugs. This was seen as a problem for young people, which could easily lead to illicit drug use. Second, illicit drugs were included in the definitions of polydrug use, which made the social representation more serious than before. The typical polydrug user was portrayed as a person who was addicted to substances, could not quite control his/her use and was a threat to others in society. Third, the concepts were naturalised as parts of common language and even used as prototypes and metaphors.
Originality/value
The study provides a look at how the phenomenon of polydrug use is conceptualised in everyday language as previous research has concentrated on its scientific definitions. It also adds to the research of media representations of different substances.
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Kelly PJ, Robinson LD, Baker AL, Deane FP, Osborne B, Hudson S, Hides L. Quality of life of individuals seeking treatment at specialist non-government alcohol and other drug treatment services: A latent class analysis. J Subst Abuse Treat 2018; 94:47-54. [DOI: 10.1016/j.jsat.2018.08.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Revised: 08/13/2018] [Accepted: 08/16/2018] [Indexed: 10/28/2022]
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35
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Kim DJ, Schnakenberg Martin AM, Shin YW, Jo HJ, Cheng H, Newman SD, Sporns O, Hetrick WP, Calkins E, O'Donnell BF. Aberrant structural-functional coupling in adult cannabis users. Hum Brain Mapp 2018; 40:252-261. [PMID: 30203892 DOI: 10.1002/hbm.24369] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 08/09/2018] [Accepted: 08/11/2018] [Indexed: 12/13/2022] Open
Abstract
Cellular studies indicate that endocannabinoid type-1 retrograde signaling plays a major role in synaptic plasticity. Disruption of these processes by delta-9-tetrahydrocannabinol (THC) could produce alterations either in structural and functional brain connectivity or in their association in cannabis (CB) users. Graph theoretic structural and functional networks were generated with diffusion tensor imaging and resting-state functional imaging in 37 current CB users and 31 healthy non-users. The primary outcome measures were coupling between structural and functional connectivity, global network characteristics, association between the coupling and network properties, and measures of rich-club organization. Structural-functional (SC-FC) coupling was globally preserved showing a positive association in current CB users. However, the users had disrupted associations between SC-FC coupling and network topological characteristics, most perturbed for shorter connections implying region-specific disruption by CB use. Rich-club analysis revealed impaired SC-FC coupling in the hippocampus and caudate of users. This study provides evidence of the abnormal SC-FC association in CB users. The effect was predominant in shorter connections of the brain network, suggesting that the impact of CB use or predispositional factors may be most apparent in local interconnections. Notably, the hippocampus and caudate specifically showed aberrant structural and functional coupling. These structures have high CB1 receptor density and may also be associated with changes in learning and habit formation that occur with chronic cannabis use.
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Affiliation(s)
- Dae-Jin Kim
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana
| | | | - Yong-Wook Shin
- Department of Psychiatry, Ulsan University School of Medicine, ASAN Medical Center, Seoul, South Korea
| | - Hang Joon Jo
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Hu Cheng
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana.,Imaging Research Facility, Indiana University, Bloomington, Indiana
| | - Sharlene D Newman
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana.,Imaging Research Facility, Indiana University, Bloomington, Indiana
| | - Olaf Sporns
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana.,Indiana University Network Science Institute, Indiana University, Bloomington, Indiana
| | - William P Hetrick
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana
| | - Eli Calkins
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana
| | - Brian F O'Donnell
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana
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36
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Timko C, Han X, Woodhead E, Shelley A, Cucciare MA. Polysubstance Use by Stimulant Users: Health Outcomes Over Three Years. J Stud Alcohol Drugs 2018; 79:799-807. [PMID: 30422794 PMCID: PMC6240007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 05/10/2018] [Indexed: 10/05/2023] Open
Abstract
OBJECTIVE Studies show that stimulant users have varied substance use patterns and that polysubstance use is associated with poorer past or concurrent medical, mental health, and substance use outcomes. This study examined outcomes of substance use patterns prospectively. METHOD A latent class analysis was conducted to examine substance use patterns among adults using stimulants (n = 710; 38.6% women) at baseline, and the health and treatment utilization outcomes of different use patterns over the subsequent 3 years. To examine associations between latent class membership and outcomes, generalized estimating equation modeling was conducted. RESULTS Four classes of substance use patterns at baseline were identified, involving high use of (a) methamphetamine and marijuana (23%); (b) crack cocaine and alcohol (25%); (c) powder cocaine, alcohol, and marijuana (23%); and (d) nonprescribed opioids, alcohol, marijuana, crack cocaine, and powder cocaine (i.e., polysubstance [29%]). Polysubstance class members had poorer physical health and mental health status, and more severe substance use, over the subsequent 3-year period, than other class members. Regarding treatment utilization, polysubstance class members had more medical care utilization than crack cocaine class members, and more substance use treatment utilization than powder cocaine class members. The methamphetamine, crack cocaine, and powder cocaine classes did not differ from each other on any health or treatment utilization outcome. CONCLUSIONS People using stimulants commonly use other substances, and those whose polysubstance use includes nonprescribed opioids have especially poor health outcomes.
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Affiliation(s)
- Christine Timko
- Center for Innovation to Implementation, Veterans Affairs (VA) Health Care System, Menlo Park, California
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California
| | - Xiaotong Han
- Division of Health Services Research, Psychiatric Research Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas
- Center for Mental Healthcare and Outcomes Research, Central Arkansas Veterans Healthcare System, North Little Rock, Arkansas
- VA South Central (VISN 16) Mental Illness Research, Education, and Clinical Center, Central Arkansas Veterans Healthcare System, North Little Rock, Arkansas
| | - Erin Woodhead
- Department of Psychology, San Jose State University, San Jose, California
| | - Alexandra Shelley
- Center for Innovation to Implementation, Veterans Affairs (VA) Health Care System, Menlo Park, California
| | - Michael A. Cucciare
- Center for Mental Healthcare and Outcomes Research, Central Arkansas Veterans Healthcare System, North Little Rock, Arkansas
- VA South Central (VISN 16) Mental Illness Research, Education, and Clinical Center, Central Arkansas Veterans Healthcare System, North Little Rock, Arkansas
- Department of Psychiatry, University of Arkansas for Medical Sciences, Little Rock, Arkansas
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37
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Problem and Pathological Gambling in Schizophrenia: Exploring Links with Substance Use and Impulsivity. J Gambl Stud 2018; 34:673-688. [DOI: 10.1007/s10899-018-9757-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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38
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Neumann M, Bühringer G, Höfler M, Wittchen HU, Hoch E. Is Cannabis Use Treatment Also Indicated for Patients with Low to Moderate Polysubstance Use. Eur Addict Res 2018; 24:79-87. [PMID: 29902799 DOI: 10.1159/000488345] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 03/12/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND Polysubstance use (PSU) is common among patients with cannabis use (CU) and is related to more severe CU problems. However, it is unclear how PSU predicts CU treatment outcomes beyond CU patterns. We examined the frequency, amount, and class of additionally used substances as predictors for primary and secondary outcomes. METHODS We conducted crude and adjusted regression analyses for PSU variables as predictors of remission, abstinence, -reduction, and secondary outcomes in 166 help-seeking -patients from a randomized clinical trial of CANDIS, a -cognitive behavioral treatment program. RESULTS Patients with recent illegal PSU experienced more difficulties in reducing their CU (B = -1.22, p < 0.001). In contrast, remission rates were slightly higher in patients with a wide variety of -last-year-PSU (RD = 0.04, p < 0.001). Amphetamine use -predicted poorer outcomes regarding CU-related problems (B = -4.22, p = 0.019), and the use of opiates, inhalants, and dissociative substances predicted poorer physical health outcomes (B = -0.62, p = 0.009; B = -0.96, p = 0.039; B = -1.18, p = 0.007). CONCLUSIONS CU treatment is also effective for patients with moderate PSU. However, treatment effects may be enhanced by addressing specific PSU characteristics as part of a modularized program.
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Affiliation(s)
- Maria Neumann
- Work Group Addictive Behaviors, Risk Analysis and Risk Management, Technische Universität Dresden, Dresden, Germany
| | - Gerhard Bühringer
- Work Group Addictive Behaviors, Risk Analysis and Risk Management, Technische Universität Dresden, Dresden, Germany.,IFT Institut für Therapieforschung, Munich, Germany
| | - Michael Höfler
- Work Group Addictive Behaviors, Risk Analysis and Risk Management, Technische Universität Dresden, Dresden, Germany
| | - Hans-Ulrich Wittchen
- Work Group Addictive Behaviors, Risk Analysis and Risk Management, Technische Universität Dresden, Dresden, Germany.,Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany
| | - Eva Hoch
- Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany
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39
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Anderson RE, Hruska B, Boros AP, Richardson CJ, Delahanty DL. Patterns of co-occurring addictions, posttraumatic stress disorder, and major depressive disorder in detoxification treatment seekers: Implications for improving detoxification treatment outcomes. J Subst Abuse Treat 2017; 86:45-51. [PMID: 29415850 DOI: 10.1016/j.jsat.2017.12.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 12/11/2017] [Accepted: 12/18/2017] [Indexed: 11/17/2022]
Abstract
BACKGROUND AND OBJECTIVES Poly-substance use and psychiatric comorbidity are common among individuals receiving substance detoxification services. Posttraumatic stress disorder (PTSD) and major depressive disorder (MDD) are the most common co-occurring psychiatric disorders with substance use disorder (SUD). Current treatment favors a one-size-fits-all approach to treating addiction focusing on one substance or one comorbidity. Research examining patterns of substance use and comorbidities can inform efforts to effectively identify and differentially treat individuals with co-occurring conditions. METHODS Using latent class analysis, the current study identified four patterns of PTSD, MDD, and substance use among 375 addiction treatment seekers receiving medically supervised detoxification. RESULTS The four identified classes were: 1) a PTSD-MDD-Poly SUD class characterized by PTSD and MDD occurring in the context of opioid, cannabis, and tobacco use disorders; 2) an MDD-Poly SUD class characterized by MDD and alcohol, opioid, tobacco, and cannabis use disorders; 3) an alcohol-tobacco class characterized by alcohol and tobacco use disorders; and 4) an opioid-tobacco use disorder class characterized by opioid and tobacco use disorders. The observed classes differed on gender and clinical characteristics including addiction severity, trauma history, and PTSD/MDD symptom severity. DISCUSSION AND CONCLUSIONS The observed classes likely require differing treatment approaches. For example, people in the PTSD-MDD-Poly SUD class would likely benefit from treatment approaches targeting anxiety sensitivity and distress tolerance, while the opioid-tobacco class would benefit from treatments that incorporate motivational interviewing. Appropriate matching of treatment to class could optimize treatment outcomes for polysubstance and comorbid psychiatric treatment seekers. These findings also underscore the importance of well-developed referral networks to optimize outpatient psychotherapy for detoxification treatment-seekers to enhance long-term recovery, particularly those that include transdiagnostic treatment components.
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Affiliation(s)
- RaeAnn E Anderson
- Kent State University, Department of Psychological Sciences, Kent, OH, USA
| | - Bryce Hruska
- Kent State University, Department of Psychological Sciences, Kent, OH, USA
| | - Alec P Boros
- Oriana House Alcohol, Drug Addiction, and Mental Health Crisis Center, Akron, OH, USA
| | | | - Douglas L Delahanty
- Kent State University, Department of Psychological Sciences, Kent, OH, USA; Northeastern Ohio Medical University, Rootstown, OH, USA.
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40
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Polysubstance use by psychiatry inpatients with co-occurring mental health and substance use disorders. Drug Alcohol Depend 2017; 180:319-322. [PMID: 28942289 DOI: 10.1016/j.drugalcdep.2017.08.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 08/16/2017] [Accepted: 08/18/2017] [Indexed: 12/26/2022]
Abstract
BACKGROUND Polysubstance use, the consumption of more than one substance over a defined period, is common and associated with psychiatric problems and poor treatment adherence and outcomes. This study examined past-month polysubstance use at intake among psychiatry inpatients with co-occurring mental health and substance use disorders, and outcomes 3 months later. METHODS Participants (n=406 psychiatry inpatients with documented mental health and substance use disorders) completed a baseline and a 3-month follow-up (84%) interview. With baseline data, a latent class analysis was conducted on substances used in the past 30days. Analyses of covariance tested for differences among classes on outcomes at 3-month follow-up. RESULTS At baseline, three classes were estimated: Cannabis+Alcohol (35.1%), Alcohol (49.3%), and Polysubstance, notably, cocaine plus alcohol and marijuana (15.7%). At follow-up, the Polysubstance class had more severe alcohol and drug use, support for abstinence, and motivation for help-seeking, but less abstinence self-efficacy; it was most likely to attend 12-step groups. The Cannabis+Alcohol class was least likely to obtain outpatient substance use treatment, and had the lowest percent days abstinent. CONCLUSIONS Psychiatry inpatients with co-occurring substance use and mental health disorders have varying substance use patterns that correspond to substance-related outcomes concurrently and over time. Many patients achieved abstinence for most days of the 3-month post-hospitalization period. To further increase abstinence, providers could build on polysubstance-using patients' high motivation to increase self-efficacy. In addition, because patients using mainly cannabis plus alcohol may perceive little harm from cannabis use, providers may consider modifying risk perceptions through effective education.
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Choi NG, DiNitto DM, Marti CN. Nonmedical versus medical marijuana use among three age groups of adults: Associations with mental and physical health status. Am J Addict 2017; 26:697-706. [DOI: 10.1111/ajad.12598] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 07/01/2017] [Accepted: 07/15/2017] [Indexed: 01/24/2023] Open
Affiliation(s)
- Namkee G. Choi
- University of Texas at Austin School of Social Work; 1925 San Jacinto Blvd; Austin Texas
| | - Diana M. DiNitto
- University of Texas at Austin School of Social Work; 1925 San Jacinto Blvd; Austin Texas
| | - Carl Nathan Marti
- University of Texas at Austin School of Social Work; 1925 San Jacinto Blvd; Austin Texas
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42
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Hayley AC, Stough C, Downey LA. DSM-5 cannabis use disorder, substance use and DSM-5 specific substance-use disorders: Evaluating comorbidity in a population-based sample. Eur Neuropsychopharmacol 2017; 27:732-743. [PMID: 28663122 DOI: 10.1016/j.euroneuro.2017.06.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 05/23/2017] [Accepted: 06/10/2017] [Indexed: 11/30/2022]
Abstract
Cannabis use disorder (CUD) is frequently associated with concurrent substance use and/or comorbid substance use disorders (SUDs); however there is little specificity with regard to commonly abused individual drug types/classes. This study therefore aimed to provide insight into the degree of these co-occurring relationships across several specific newer and older generation illicit and prescription drugs. 36,309 adults aged 18+ from wave 3 of the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC-III) were assessed. Weighted cross-tabulations and multivariable logistic regression analyses were used to evaluate comorbidity between current DSM-5 CUD, substance use and DSM-5 SUD. Current DSM-5 CUD is associated with greater lifetime use of all examined drug classes, and previous 12-month use of several newer-class illicit and prescription stimulant-based substances (all p< 0.05). Current DSM-5 CUD was similarly associated with increased incidence of a range of DSM-5 SUDs and was independently associated with concurrently reporting current DSM-5; sedative (Adjusted OR= 5.1, 95%CI 2.9-9.0), cocaine (AOR= 9.3, 95%CI 5.6-15.5), stimulant (AOR= 4.3, 95%CI 2.3-7.9), club drug (AOR= 16.1, 95%CI 6.3-40.8), opioid (AOR= 4.6, 95%CI 3.0-6.8) and alcohol-use disorder (AOR= 3.0, 95%CI 2.5-3.7); but not heroin or 'other' drug use disorder (both p>0.05). High comorbidity exists between DSM-5 CUD and many specific DSM-5 SUDs. Newer-class illicit and prescription stimulant-based drug use disorders are overrepresented among those with DSM-5 CUD. These findings underscore the need for tailored treatment programs for those presenting with DSM-5 CUD, and for greater treatment specification where poly-drug use is evident.
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Affiliation(s)
- Amie C Hayley
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Australia.
| | - Con Stough
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Australia
| | - Luke A Downey
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Australia; Institute for Breathing and Sleep, Austin Hospital, Melbourne, Australia
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Kelly PJ, Robinson LD, Baker AL, Deane FP, McKetin R, Hudson S, Keane C. Polysubstance use in treatment seekers who inject amphetamine: Drug use profiles, injecting practices and quality of life. Addict Behav 2017; 71:25-30. [PMID: 28242532 DOI: 10.1016/j.addbeh.2017.02.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 01/21/2017] [Accepted: 02/08/2017] [Indexed: 01/09/2023]
Abstract
BACKGROUND The injection of amphetamine is becoming increasingly common. However, there has been a lack of research examining people who inject amphetamine as the primary drug of use, limiting the potential to ensure services address the unique needs of this group. The current study used latent class analysis to identify classes of polydrug use among people who report injecting amphetamine during the past 12months. It also examined differences between classes and drug use patterns, injecting practices, quality of life and psychological distress. METHODS Participants who were attending non-government specialist alcohol and other drug treatment across New South Wales, Australia and had identified amphetamine as their principle drug of concern and reported injecting amphetamine in the previous 12months were included in the current study (N=827). Latent class analysis was performed to identify polydrug profiles of participants. RESULTS The large majority of people in the current study (85%) demonstrated low probability of heroin or other opiate use. Three distinct classes of polydrug use were identified: (1) Low-polydrug (n=491), (2) Opiates-polydrug (n=123), and (3) Alcohol-polydrug (n=213). There was a trend for the Low-polydrug class to demonstrate better functioning and safer injecting practices than the Opiates-polydrug and Alcohol-polydrug classes. CONCLUSION The results suggest that the majority of people accessing treatment who inject amphetamine as their primary drug of choice have a low probability of heroin or other opiate use. It is important that future research consider whether traditional harm minimisation strategies are appropriate for people who primarily inject amphetamine.
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Affiliation(s)
- Peter J Kelly
- Illawarra Institute for Mental Health, School of Psychology, University of Wollongong, Australia; Centre for Health Initiatives, University of Wollongong, Australia.
| | - Laura D Robinson
- Centre for Health Initiatives, University of Wollongong, Australia
| | - Amanda L Baker
- School of Medicine and Public Health, University of Newcastle, Australia
| | - Frank P Deane
- Illawarra Institute for Mental Health, School of Psychology, University of Wollongong, Australia
| | - Rebecca McKetin
- National Drug Research Institute, Faculty of Health Sciences, Curtin University, Australia
| | - Suzie Hudson
- Network of Alcohol and other Drugs Agencies (NADA), Australia
| | - Carol Keane
- Illawarra Institute for Mental Health, School of Psychology, University of Wollongong, Australia; Centre for Health Initiatives, University of Wollongong, Australia
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44
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Deschenau A, Iftimovici A, Touzeau D. [Drug use and treatment misuse: Key points on polydrug use]. Presse Med 2016; 45:1102-1107. [PMID: 27818062 DOI: 10.1016/j.lpm.2016.10.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Problematic use of psychoactive drugs, be it legal, on prescription, or not, remains a broad phenomenon when taken as a whole, with an increasingly large spectrum of used products. The polysubstance drug use is an expanding new trend. Although its epidemiological analysis is complex, needing further research, certain patterns of drug combinations can be found, allowing to identify clusters of users associated to more specific medical and social risks. Managing polysubstance users involves assessing each drug use, but also the connections between drugs and the patient's expectations for each of them. Complications, as well as psychiatric and somatic comorbidities are to be taken into account. The therapeutic tools for polysubstance drug use, mainly pharmacological, are still often limited to the sum of specific tools for each product. Prevention is crucial but has to adapt to the identified use clusters, and the gender. Notably, a good knowledge of chronic pain management and prescribed drug dependency risks is required to prevent polysubstance drug use involving opioids.
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Affiliation(s)
- Alice Deschenau
- Groupe hospitalier Paul-Guiraud, pôle addictions, 54, avenue de la République, 94800 Villejuif, France.
| | - Anton Iftimovici
- Groupe hospitalier Paul-Guiraud, pôle addictions, 54, avenue de la République, 94800 Villejuif, France
| | - Didier Touzeau
- Groupe hospitalier Paul-Guiraud, pôle addictions, 54, avenue de la République, 94800 Villejuif, France
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45
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Tzilos GK, Reddy MK, Caviness CM, Anderson BJ, Stein MD. Mostly Smokers: Identifying Subtypes of Emerging Adult Substance Users. Subst Use Misuse 2016; 51:1587-1592. [PMID: 27484392 PMCID: PMC5055451 DOI: 10.1080/10826084.2016.1188956] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND The concurrent use of marijuana and other substances among emerging adults (ages 18-25) is a major public health problem. This study examined if there are distinct subtypes of emerging adult marijuana users and if these are associated with demographic and substance use variables. METHODS The design was a cross-sectional interview with a community sample of 1,503 emerging adults in the northeastern U.S. who reported last month marijuana use. We used latent class analysis (LCA) to identify distinct subtypes of emerging adults who used additional substances and examined predictors of the latent classes. RESULTS We identified three distinct classes of emerging adults who use substances: "mostly smokers" (those who primarily use marijuana and nicotine), "moderate users" (those who primarily use marijuana and/or heavy episodic alcohol), and "polysubstance users." Polysubstance users had higher probabilities of use of all assessed substances (e.g. cocaine, opiates, sleep medications, stimulants, synthetic marijuana, and inhalants) than the other two groups. Not being currently enrolled in school and male gender were associated with mostly smokers and polysubstance users group status. CONCLUSIONS We identified a distinct group of emerging adult marijuana users who primarily smoke marijuana and cigarettes, suggesting that there could be a shared vulnerability for risk of co-occurrence.
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Affiliation(s)
- Golfo K Tzilos
- a General Medicine Research Unit , Butler Hospital , Providence , Rhode Island , USA.,b Department of Psychiatry and Human Behavior , Brown University , Providence , Rhode Island , USA.,c Department of Family Medicine , University of Michigan , Ann Arbor , Michigan , USA
| | - Madhavi K Reddy
- b Department of Psychiatry and Human Behavior , Brown University , Providence , Rhode Island , USA.,d Department of Psychiatry and Behavioral Sciences , The University of Texas Health Science Center at Houston , Houston , Texas , USA
| | - Celeste M Caviness
- a General Medicine Research Unit , Butler Hospital , Providence , Rhode Island , USA
| | - Bradley J Anderson
- a General Medicine Research Unit , Butler Hospital , Providence , Rhode Island , USA
| | - Michael D Stein
- a General Medicine Research Unit , Butler Hospital , Providence , Rhode Island , USA.,e Department of Medicine , Brown University , Providence , Rhode Island , USA
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Chan GC, Leung JK, Quinn C, Connor JP, Hides L, Gullo MJ, Alati R, Weier M, Kelly AB, Hall WD. Trend in alcohol use in Australia over 13 years: has there been a trend reversal? BMC Public Health 2016; 16:1070. [PMID: 27724901 PMCID: PMC5057497 DOI: 10.1186/s12889-016-3732-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 09/29/2016] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Skog's collectivity theory of alcohol consumption predicted that changes in alcohol consumption would synchronize across all types of drinkers in a population. The aim of this paper is examine this theory in the Australian context. We examined whether there was a collective change in alcohol use in Australia from 2001 to 2013, estimated alcohol consumption in non-high risk and high risk drinkers, and examined the trends in alcohol treatment episodes. METHODS Data from the 2001-2013 National Drug Strategy Household Surveys (N = 127,916) was used to estimate the prevalence and alcohol consumption of abstainers, high risk drinkers and frequent heavy episodic drinkers. Closed treatment episodes recorded in the Alcohol and Other Drug Treatment Services National Minimum Dataset (N = 608,367) from 2001 to 2013 were used to examine the trends of closed alcohol treatment episodes. RESULTS The prevalence of non-drinkers (abstainers) decreased to the lowest level in 2004 (15.3 %) and rebounded steadily thereafter (20.4 % in 2013; p < .001). Correspondingly, the per capita consumption of high risk drinkers (2 standard drinks or more on average per day) increased from 20.7 L in 2001 to peak in 2010 (21.5 L; p = .020). Non-high risk drinkers' consumption peaked in 2004 (2.9 L) and decreased to 2.8 L in 2013 (p < .05). There were decreases in alcohol treatment episodes across nearly all birth cohorts in recent years. CONCLUSION These findings are partially consistent with and support Skog's collectivity theory. There has been a turnaround in alcohol consumption after a decade-long uptrend, as evident in the collective decreases in alcohol consumption among nearly all types of drinkers. There was also a turnaround in rate of treatment seeking, which peaked at 2007 and then decreased steadily. The timing of this turnaround differs with level of drinking, with non-high risk drinkers reaching its peak consumption in 2004 and high risk drinkers reaching its peak consumption in 2010.
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Affiliation(s)
- Gary C.K. Chan
- Centre for Youth Substance Abuse Research, The University of Queensland, Brisbane, QLD 4072 Australia
| | - Janni K. Leung
- Policy and Epidemiology Group, Queensland Centre for Mental Health Research, Brisbane, Australia
- School of Public Health, The University of Queensland, Brisbane, Australia
| | - Catherine Quinn
- Centre for Youth Substance Abuse Research, Queensland University of Technology, Brisbane, Australia
| | - Jason P. Connor
- Centre for Youth Substance Abuse Research, The University of Queensland, Brisbane, QLD 4072 Australia
- Discipline of Psychiatry, School of Medicine, The University of Queensland, Brisbane, Australia
| | - Leanne Hides
- Centre for Youth Substance Abuse Research, Queensland University of Technology, Brisbane, Australia
| | - Matthew J. Gullo
- Centre for Youth Substance Abuse Research, The University of Queensland, Brisbane, QLD 4072 Australia
| | - Rosa Alati
- Centre for Youth Substance Abuse Research, The University of Queensland, Brisbane, QLD 4072 Australia
- School of Public Health, The University of Queensland, Brisbane, Australia
| | - Megan Weier
- Centre for Youth Substance Abuse Research, The University of Queensland, Brisbane, QLD 4072 Australia
| | - Adrian B. Kelly
- Centre for Youth Substance Abuse Research, The University of Queensland, Brisbane, QLD 4072 Australia
| | - Wayne D. Hall
- Centre for Youth Substance Abuse Research, The University of Queensland, Brisbane, QLD 4072 Australia
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Bujarski SJ, McDaniel CE, Lewis SF, Leen-Feldner EW, Feldner MT. Past-Month Marijuana Use Is Associated with Self-Reported Violence Among Trauma-Exposed Adolescents. JOURNAL OF CHILD & ADOLESCENT SUBSTANCE ABUSE 2016. [DOI: 10.1080/1067828x.2016.1222980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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48
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Hall W, Lynskey M. Why it is probably too soon to assess the public health effects of legalisation of recreational cannabis use in the USA. Lancet Psychiatry 2016; 3:900-6. [PMID: 27374072 DOI: 10.1016/s2215-0366(16)30071-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 04/11/2016] [Accepted: 04/20/2016] [Indexed: 12/21/2022]
Abstract
The citizens of four US states-Alaska, Colorado, Oregon, and Washington-have voted to legalise the sale of cannabis to adults for recreational purposes, and more states look likely to follow. Experience with alcohol and tobacco suggests that a for-profit legal cannabis industry will increase use by making cannabis more socially acceptable to use, making it more readily available at a cheaper price, and increasing the number of users and frequency of their use. We argue that it is too early to see the full effects of legalised cannabis policies on use and harm because several factors could delay the full commercialisation of a legal cannabis industry. These factors include restrictions on various licensed producers and sellers, and legal conflicts between Federal and State laws that might provide a brake on the speed and scale of commercialisation in states that have legalised cannabis. Any increases in cannabis use and harm could be minimised if governments introduced public health policies that limited the promotional activities of a legal cannabis industry, restricted cannabis availability to adults, and maintained cannabis prices at a substantial fraction of the black market price. So far, no states have chosen to implement these policies.
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Affiliation(s)
- Wayne Hall
- Centre for Youth Substance Abuse Research, University of Queensland, Herston, QLD, Australia; National Addiction Centre, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK.
| | - Michael Lynskey
- National Addiction Centre, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK
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Harrell PT, Fu H. Commentary on Betts et al. (2016): Polysubstance use and opioid substitution therapy among people who inject drugs. Addiction 2016; 111:1224-5. [PMID: 27273387 DOI: 10.1111/add.13417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 03/29/2016] [Accepted: 03/30/2016] [Indexed: 12/29/2022]
Affiliation(s)
- Paul T Harrell
- Department of Pediatrics, Eastern Virginia Medical School, Norfolk, VA, USA. .,Department of Psychiatry and Behavioral Sciences, Eastern Virginia Medical School, Norfolk, VA, USA.
| | - Hongyun Fu
- Department of Pediatrics, Eastern Virginia Medical School, Norfolk, VA, USA
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Temple EC. Clearing the smokescreen: the current evidence on cannabis use. Front Psychiatry 2015; 6:40. [PMID: 25821437 PMCID: PMC4358058 DOI: 10.3389/fpsyt.2015.00040] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Accepted: 03/02/2015] [Indexed: 01/11/2023] Open
Affiliation(s)
- Elizabeth Clare Temple
- School of Health Sciences and Psychology, Federation University Australia , Ballarat, VIC , Australia
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