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Jhanji K, Shivji Z, Lazaj M, Lomax LB, Winston GP, Shukla G. Quality of life and cannabis use among patients with drug-resistant epilepsy-An observational study from a Canadian tertiary care referral center. Epileptic Disord 2024. [PMID: 39235763 DOI: 10.1002/epd2.20276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Revised: 08/13/2024] [Accepted: 08/25/2024] [Indexed: 09/06/2024]
Abstract
OBJECTIVE Very few publications have reported the impact of artisanal cannabis use on overall quality of life among people with drug-resistant epilepsy. This study aimed to evaluate the association of artisanal cannabis use among adults with drug-resistant epilepsy with quality of life, and to determine if an association exists between Quality-of-Life in Epilepsy Inventory-31 (QOLIE-31) 'T scores' and different clinical variables. METHODS This study included patients admitted to a Canadian tertiary care epilepsy center as part of a larger study. These patients were confirmed to have drug-resistant epilepsy by an epileptologist at the Ambulatory Epilepsy Clinic. Patients were categorized into cannabis users (CAN group) (n = 25) and Non-cannabis users (Non-CAN group) (n = 21). Data was collected on RedCap® for epilepsy and cannabis use details. These were analyzed for an association using a binary multivariable logistic regression model between QOLIE-31 'T scores' and age, sex, epilepsy duration, age at initiation of use, duration of cannabis use and psychiatric related comorbidity for all patients. Additionally, different 'T subscores' of the questionnaire were compared between the CAN group and Non-CAN group. RESULTS A statistically significant difference between the CAN group and Non-CAN group for the T subscore 'energy and fatigue' (p = .004) was found, with the CAN group scoring higher. However, for the 'overall T score' between the two groups there was no statically significant difference (p = .11). Additionally, a significant negative correlation between 'overall T score' and cannabis use disorder (p = .032) was found. SIGNIFICANCE This study provides new data on association of quality of life in epilepsy with cannabis use and can serve as a foundation for larger future studies to better assess this association.
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Affiliation(s)
- Kanika Jhanji
- Division of Neurology, Department of Medicine, Queen's University and Kingston Health Sciences Center, Kingston, Ontario, Canada
| | - Zaitoon Shivji
- Division of Neurology, Department of Medicine, Queen's University and Kingston Health Sciences Center, Kingston, Ontario, Canada
| | - Marion Lazaj
- Centre for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
| | - Lysa Boisse Lomax
- Division of Neurology, Department of Medicine, Queen's University and Kingston Health Sciences Center, Kingston, Ontario, Canada
- Centre for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
| | - Gavin P Winston
- Division of Neurology, Department of Medicine, Queen's University and Kingston Health Sciences Center, Kingston, Ontario, Canada
- Centre for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
| | - Garima Shukla
- Division of Neurology, Department of Medicine, Queen's University and Kingston Health Sciences Center, Kingston, Ontario, Canada
- Centre for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
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da Costa-Oliveira C, Pereira ML, de Carvalho NF, Silvério LAL, Jessé Ramos Y, Mazzola PG. Exploring the Significance of Pharmaceutical Care in Mental Health: A Spotlight on Cannabis. PHARMACY 2024; 12:100. [PMID: 39051384 PMCID: PMC11270281 DOI: 10.3390/pharmacy12040100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 06/06/2024] [Accepted: 06/12/2024] [Indexed: 07/27/2024] Open
Abstract
Although preliminary evidence suggests Cannabis's efficacy in symptom control for anxiety and depression-psychiatric disorders that significantly impact mental health-much remains to be understood about its effects on the central nervous system (CNS) and how to optimize treatment for these disorders. This study aims to conduct a narrative review to evaluate pharmaceutical care in treating symptoms of anxiety and depression alongside Cannabis use, focusing on safety and therapeutic efficacy optimization. We seek to conceptualize anxiety and depression disorders, review evidence on Cannabis use, evaluate the evidence quality, and identify knowledge gaps. Twelve articles were identified, revealing a significant gap in the literature regarding the integration of pharmaceutical care with Cannabis-based therapies, specifically for anxiety and depression. Despite a growing interest in the relationship between Cannabis and mental health, current research is insufficient for a comprehensive understanding. The relationship between Cannabis use and anxiety and depression disorders requires further, more targeted investigations. This study underscores the importance of future research to fill existing gaps, providing informed insights and robust guidelines for the safe and effective use of Cannabis as part of the treatment for anxiety and depression. It is crucial that pharmaceutical care integrates these therapies responsibly to improve the overall well-being of patients.
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Affiliation(s)
- Claudete da Costa-Oliveira
- Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas 13083-887, Brazil
- APEPI—Medicinal Cannabis Research and Patient Support Association, Rio de Janeiro 20040-030, Brazil
| | - Michele Lafayette Pereira
- Faculdade de Ciências Biológicas e Saúde, Universidade do Estado do Rio de Janeiro, Campus Zona Oeste, Rio de Janeiro 23070-200, Brazil
| | - Nicole Ferrari de Carvalho
- Faculdade de Ciências Farmacêuticas, Universidade Estadual de Campinas, Campinas 13083-871, Brazil; (N.F.d.C.); (L.A.L.S.); (P.G.M.)
| | - Luiza Aparecida Luna Silvério
- Faculdade de Ciências Farmacêuticas, Universidade Estadual de Campinas, Campinas 13083-871, Brazil; (N.F.d.C.); (L.A.L.S.); (P.G.M.)
| | - Ygor Jessé Ramos
- Farmácia da Terra Laboratory, Faculty of Pharmacy, Federal University of Bahia, Salvador 40170-115, Brazil;
| | - Priscila Gava Mazzola
- Faculdade de Ciências Farmacêuticas, Universidade Estadual de Campinas, Campinas 13083-871, Brazil; (N.F.d.C.); (L.A.L.S.); (P.G.M.)
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Kelly LE, Rieder MJ, Finkelstein Y. Medical cannabis for children: Evidence and recommendations. Paediatr Child Health 2024; 29:104-121. [PMID: 38586483 PMCID: PMC10996577 DOI: 10.1093/pch/pxad078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 04/20/2023] [Indexed: 04/09/2024] Open
Abstract
Interest in using cannabis products for a medical purpose in children under the age of 18 years is increasing. There are many medical cannabis products available that can include cannabidiol (CBD) or delta-9-tetrahydrocannabinol (THC), or both. Despite many therapeutic claims, there are few rigorous studies to inform the dosing, safety, and efficacy of medical cannabis in paediatric clinical practice. This statement reviews the current evidence and provides recommendations for using medical cannabis in children. Longer-term (2-year) reports support the sustained tolerability and efficacy of cannabidiol therapy for patients with Lennox-Gastaut and Dravet syndromes. CBD-enriched cannabis extracts containing small amounts of THC have been evaluated in a small number of paediatric patients, and further research is needed to inform clinical practice guidelines. Given the widespread use of medical cannabis in Canada, paediatricians should be prepared to engage in open, ongoing discussions with families about its potential benefits and risks, and develop individualized plans that monitor efficacy, reduce harms, and mitigate drug-drug interactions.
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Affiliation(s)
- Lauren E Kelly
- Canadian Paediatric Society, Drug Therapy Committee, Ottawa, Ontario, Canada
| | - Michael J Rieder
- Canadian Paediatric Society, Drug Therapy Committee, Ottawa, Ontario, Canada
| | - Yaron Finkelstein
- Canadian Paediatric Society, Drug Therapy Committee, Ottawa, Ontario, Canada
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Kelly LE, Rieder MJ, Finkelstein Y. Les données probantes et les recommandations sur le cannabis à des fins médicales chez les enfants. Paediatr Child Health 2024; 29:104-121. [PMID: 38586491 PMCID: PMC10996578 DOI: 10.1093/pch/pxad077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 04/20/2023] [Indexed: 04/09/2024] Open
Abstract
L'intérêt envers l'utilisation des produits du cannabis à des fins médicales chez les enfants de moins de 18 ans augmente. De nombreux produits du cannabis à des fins médicales contiennent du cannabidiol, du delta-9-tétrahydrocannabinol ou ces deux produits. Malgré les nombreuses prétentions thérapeutiques, peu d'études rigoureuses guident la posologie, l'innocuité et l'efficacité du cannabis à des fins médicales en pédiatrie clinique. Le présent document de principes passe en revue les données probantes à jour et expose les recommandations sur l'utilisation du cannabis à des fins médicales chez les enfants. Les rapports à plus long terme (deux ans) souscrivent à la tolérabilité et à l'efficacité soutenues d'un traitement au cannabidiol chez les patients ayant le syndrome de Lennox-Gastaut ou le syndrome de Dravet. Les extraits de cannabis enrichis de cannabidiol qui renferment de petites quantités de delta-9-tétrahydrocannabinol ont été évalués auprès d'un petit nombre de patients d'âge pédiatrique, et d'autres recherches devront être réalisées pour éclairer les guides de pratique clinique. Étant donné l'utilisation répandue du cannabis à des fins médicales au Canada, les pédiatres devraient être prêts à participer à des échanges ouverts et continus avec les familles au sujet de ses avantages potentiels et de ses risques, ainsi qu'à préparer des plans individuels en vue d'en surveiller l'efficacité, de réduire les méfaits et de limiter les interactions médicamenteuses.
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Affiliation(s)
- Lauren E Kelly
- Société canadienne de pédiatrie, comité de la pharmacologie, Ottawa (Ontario)Canada
| | - Michael J Rieder
- Société canadienne de pédiatrie, comité de la pharmacologie, Ottawa (Ontario)Canada
| | - Yaron Finkelstein
- Société canadienne de pédiatrie, comité de la pharmacologie, Ottawa (Ontario)Canada
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Brett BA, Conroy M, Doshi H, Lowe MX, Kalcheff-Korn S, Jackson H. An observational time-series study on the behavioral effects of adjunctive artisanal cannabidiol use by adults with treatment resistant epilepsies. BMC Neurol 2024; 24:141. [PMID: 38671370 PMCID: PMC11046917 DOI: 10.1186/s12883-024-03646-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND For approximately 30% of people with epilepsy, seizures are not well-controlled by anti-seizure medication (ASM). This condition, called treatment resistant epilepsy (TRE), is associated with increased morbidity and mortality, and substantially impacts the quality of life of both the individual and their family. Non-responsiveness to ASMs leads many people with TRE to seek alternative therapies, such as cannabinoid-based medication, particularly cannabidiol (CBD), with or without medical or professional advice. This is due in part to widespread reporting in the media about the benefits of CBD for seizures in some forms of epilepsy. METHODS Adults with TRE, opting to add CBD to their existing treatment regime, completed this prospective, observational, longitudinal, quasi-experimental, time-series study. We hypothesized that adjunctive CBD use would positively impact participants' quality of life and psychological well-being in comparison to a baseline period without CBD use. Participants were followed for a period of approximately six months - for approximately one month of baseline prior to the initiation of CBD use and approximately five months after the initiation of CBD use. Participants provided urine samples and completed behavioral questionnaires that assessed quality of life, anxiety/depression, and adverse events during baseline and at two times during CBD use. RESULTS Complete case analyses (n = 10) showed a statistically significant improvement in quality of life, a statistically significant decrease in anxiety symptoms, and a statistically significant decrease in the experience of adverse events over time (p < 0.05). Improvements noted in the experience of depression symptoms did not reach statistical significance. Urinalysis revealed the majority of participants had no CBD/metabolites in their system at the beginning of the study, and confirmed the presence of CBD/metabolites in participants' urine after CBD was added to their treatment regime. Analysis of missing data using multiple imputation supported the findings of the complete case analysis. INTERPRETATION For a small group of individuals with TRE of varying etiologies, adjunctive use of artisanal CBD was associated with improvements in the behavioral and psychological symptoms of TRE, as well as improved medication tolerability.
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Affiliation(s)
- Barbara A Brett
- Department of Psychology, Colorado State University-Pueblo, 2200 Bonforte Blvd., Pueblo, CO, 81001, USA.
| | - Matthieu Conroy
- US Army Medical Research Institute of Chemical Defense, Aberdeen, MD, USA
| | - Hardik Doshi
- Cape Fear Valley Medical Center, Fayetteville, NC, USA
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Salpekar JA, Scahill L. Psychopharmacology Management in Autism Spectrum Disorder. Pediatr Clin North Am 2024; 71:283-299. [PMID: 38423721 DOI: 10.1016/j.pcl.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Persons with autism spectrum disorder (ASD) may have other psychiatric conditions that warrant treatment. Symptoms may not be easy to discern from rigidity or irritability that are sometimes considered to be constituent parts of ASD. Pathophysiology that involves hyperexcitable neurons and anomalous connectivity may provide justification for using psychopharmacologic agents, although nonmedical strategies may also be effective. Hyperactivity, irritability, and tantrums with or without aggression may be rational targets for psychopharmacological intervention. The best-studied drug class to date has been the second-generation antipsychotics targeting irritability.
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Affiliation(s)
- Jay A Salpekar
- Neuropsychiatry Center, Kennedy Krieger Institute, Johns Hopkins University School of Medicine, 1741 Ashland Avenue, Baltimore, MD 21205, USA.
| | - Lawrence Scahill
- Emory University School of Medicine, Marcus Autism Center, 1920 Briarcliff Road, Atlanta, GA 30329, USA
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Ferrera G, Ricci E, Vignoli A, Savini MN, Viganò I, Chiesa V, Caputo D, Zambrelli E, La Briola F, Turner K, Canevini MP. Highly purified cannabidiol in the treatment of drug-resistant epilepsies: A real-life impact on seizure frequency, quality of life, behavior, and sleep patterns from a single Italian center. Epilepsy Behav 2023; 147:109409. [PMID: 37677907 DOI: 10.1016/j.yebeh.2023.109409] [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: 06/24/2023] [Revised: 07/22/2023] [Accepted: 08/19/2023] [Indexed: 09/09/2023]
Abstract
Seizure frequency in treatment-resistant epilepsies seems to be decreased by cannabidiol (CBD), but contrasting data are available on its effect on sleep, behavior, and quality of life (QoL), and no data is reported on its effect on parental stress in patients with epilepsy (PWE). Thus, we conducted a retrospective study on a cohort of children and adults with drug-resistant epilepsy (DRE) who had been treated with highly purified, pharmaceutical-grade CBD to evaluate its effects on seizure frequency, QoL, behavior, parental stress, and sleep. Eighteen patients (12 adults and 6 children) were included in the cohort and followed for a median of 9 months. At the last follow-up (Tn), nine patients (50%) were considered CBD responders with at least a 50% decrease in seizure frequency. No serious adverse effects were found. No statistically significant differences were found concerning sleep, including daytime sleepiness, and no statistically significant effect was found on parental stress at Tn. An improvement was found for social interaction in quality of life (p < 0.05) for all patients. Our results demonstrate that CBD is a safe and effective antiseizure medication (ASM). CBD doesn't seem to affect sleep measures in adults and children or worsen daytime sleepiness. However, CBD improves specific QoL measures, which could indicate a possible use of CBD for other childhood disabilities. No impact of CBD was seen on parental stress, which could possibly be due to the limited follow-up or could mean that parental stress is not dependent on seizure frequency.
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Affiliation(s)
- G Ferrera
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy; Department of Health Sciences, University of Milan, Milan, Italy
| | - E Ricci
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy; Department of Health Sciences, University of Milan, Milan, Italy.
| | - A Vignoli
- Department of Health Sciences, University of Milan, Milan, Italy; Child Neuropsychiatry Unit, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - M N Savini
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy
| | - I Viganò
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy
| | - V Chiesa
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy
| | - D Caputo
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy
| | - E Zambrelli
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy
| | - F La Briola
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy
| | - K Turner
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy
| | - M P Canevini
- Regional Center for Epilepsy- Sleep Medicine, ASST Santi Paolo e Carlo, Milan, Italy; Department of Health Sciences, University of Milan, Milan, Italy
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Salpekar JA, Ma GJ, Mietchen J, Mani J, Jones JE. Treatment of Comorbid Anxiety and Epilepsy. J Neuropsychiatry Clin Neurosci 2023; 35:218-227. [PMID: 36785943 DOI: 10.1176/appi.neuropsych.20220116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Objective: Anxiety is among the most common psychiatric illnesses, and it commonly co-occurs with epilepsy. This review of the existing literature on anxiety comorbid with epilepsy aims to generate new insights into strategies for assessment and treatment. Methods: The authors conducted a narrative literature review to select key publications that help clarify the phenomenology and management of comorbid anxiety and epilepsy. Results: Anxiety symptoms may be relevant even if the criteria for a diagnosis of an anxiety disorder are not met. Associating specific seizure types or seizure localization with anxiety symptoms remains difficult; however, the amygdala is a brain region commonly associated with seizure foci and panic or fear sensations. The hypothalamic-pituitary-adrenal axis may also be relevant for anxiety symptoms, particularly for the selection of treatments. Nonpharmacological treatment is appropriate for anxiety comorbid with epilepsy, particularly because relaxation techniques may reduce hypersympathetic states, which improve symptoms. Medication options include antidepressants and anticonvulsants that may have efficacy for anxiety symptoms. Benzodiazepines are a good choice to address this comorbid condition, although side effects may limit utility. Conclusions: Ultimately, there are numerous treatment options, and although there is a limited evidence base, quality of life may be improved with appropriate treatment for individuals experiencing comorbid anxiety and epilepsy.
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Affiliation(s)
- Jay A Salpekar
- Johns Hopkins University School of Medicine, Baltimore (Salpekar); Department of Psychiatry, Brigham and Women's Hospital, Boston (Ma); Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison (Mietchen, Jones); Howard University College of Medicine, Washington, D.C. (Mani)
| | - Grace J Ma
- Johns Hopkins University School of Medicine, Baltimore (Salpekar); Department of Psychiatry, Brigham and Women's Hospital, Boston (Ma); Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison (Mietchen, Jones); Howard University College of Medicine, Washington, D.C. (Mani)
| | - Jonathan Mietchen
- Johns Hopkins University School of Medicine, Baltimore (Salpekar); Department of Psychiatry, Brigham and Women's Hospital, Boston (Ma); Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison (Mietchen, Jones); Howard University College of Medicine, Washington, D.C. (Mani)
| | - Jeremy Mani
- Johns Hopkins University School of Medicine, Baltimore (Salpekar); Department of Psychiatry, Brigham and Women's Hospital, Boston (Ma); Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison (Mietchen, Jones); Howard University College of Medicine, Washington, D.C. (Mani)
| | - Jana E Jones
- Johns Hopkins University School of Medicine, Baltimore (Salpekar); Department of Psychiatry, Brigham and Women's Hospital, Boston (Ma); Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison (Mietchen, Jones); Howard University College of Medicine, Washington, D.C. (Mani)
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Cannabis-based magistral formulation is highly effective as an adjuvant treatment in drug-resistant focal epilepsy in adult patients: an open-label prospective cohort study. Neurol Sci 2023; 44:297-304. [PMID: 36129615 DOI: 10.1007/s10072-022-06393-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 09/08/2022] [Indexed: 01/12/2023]
Abstract
INTRODUCTION The safety and efficacy of a formulation high in cannabidiol (CBD) and low in ∆9-tetrahydrocannabinol (THC) to treat drug-resistant epilepsy have been examined previously in children, but not in adult population. The aim of this study was to evaluate whether CBD-rich oil, as an add-on treatment to conventional antiepileptic drugs, was effective, safe, and well-tolerated in adults with drug-resistant focal epilepsy (DRFE). METHODS An open-label, prospective cohort, single-center in adult patients with DRFE, were receiving stable doses of antiepileptic drugs (AEDs). A cannabis based-magistral formulation (CBMF) (100 mg/ml CBD and THC <1.9 mg/ml) was administrated 0.1 ml sublingually every 12 hours, up-titrated weekly. The primary outcome was to establish a reduction in seizures frequency >50% at 12 weeks. Adverse-drug reactions monitoring was done. p-value <0.05 was statistically significant. RESULTS Between August 2020 and July 2022, 44 (38.6%) patients completed >3 months of follow-up. The median daily dose of CBD was 200 mg, that of THC was 4 mg, and that of CBD per kilogram of weight was 3.7 mg. The median number of seizures per month before CBD treatment was 11, and after CBD treatment was 2.5 (p<0.001). A reduction in seizures >50% at 12 week was achieved in 79.5% of the patients. The median percentage change in seizure frequency per month was 84.1% at 12 weeks. Five patients reported any adverse-drug reactions. CONCLUSION The CBMF is a highly effective and safety therapy to treat adult patients with DRFE. The reduction in seizures frequency is maintained over time.
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Li J, Areal CC, Toffa DH, Citherlet D, Deacon C, Jutras-Aswad D, Keezer MR, Nguyen DK. Use of non-medical cannabis in epilepsy: A scoping review. Front Neurol 2023; 14:1132106. [PMID: 36949852 PMCID: PMC10025318 DOI: 10.3389/fneur.2023.1132106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 02/13/2023] [Indexed: 03/08/2023] Open
Abstract
Objective The use of medical cannabis among people with epilepsy (PWE) has been garnering increasing interest. In this scoping review, we aimed to summarize the literature on recreational/non-medical cannabis (NMC) use in PWE, focusing on the experience, habits, and beliefs of PWE regarding NMC. Methods Four databases (OVID Medline, OVID Embase, Ovid APA PsycInfo, and Web of Science) were searched for studies describing NMC use in PWE. NMC was defined as cannabis products procured from sources other than by prescription. Studies that consisted in original research and that detailed the experience, habits, and/or beliefs of PWE regarding NMC use were included in the analysis. Data pertaining to study identification, demographics, NMC use, and epilepsy characteristics were extracted. Descriptive statistical analyses and reflexive thematic analyses were performed to map these data. Results In total, 3,228 records were screened, and 66 were included for analysis: 45 had mainly adult samples, whereas 21 had mainly pediatric samples. Most studies were published after 2010, originated from the USA, and were cross-sectional. The median number of PWE using cannabis in these studies was 24.5 (1-37,945). No studies showcased elderly PWE, and most had predominantly Caucasian samples. The lifetime prevalence of NMC use in PWE was variable, ranging between 0.69 and 76.8%. Factors frequently associated with NMC use in PWE were male sex, younger adult age, and lower education status. Children with epilepsy took NMC primarily for seizure control, using high CBD/THC ratios, and only orally. Adults with epilepsy took NMC for various reasons including recreationally, using variable CBD/THC ratios, and predominantly through smoking. The majority of PWE across all studies perceived that NMC aided in seizure control. Other aspects pertaining to NMC use in PWE were rarely reported and often conflicting. Conclusion The literature on NMC use in PWE is sparse and heterogeneous, with many salient knowledge gaps. Further research is necessary to better understanding the experience, habits, and beliefs of PWE pertaining to NMC.
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Affiliation(s)
- Jimmy Li
- Neurology Division, Centre Hospitalier de l'Université de Sherbrooke (CHUS), Sherbrooke, QC, Canada
- Neurosciences Axis, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada
- *Correspondence: Jimmy Li
| | - Cassandra C. Areal
- Neurology Division, Centre Hospitalier de l'Université de Sherbrooke (CHUS), Sherbrooke, QC, Canada
| | - Dènahin Hinnoutondji Toffa
- Neurosciences Axis, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada
- Department of Neurosciences, Université de Montréal, Montreal, QC, Canada
| | - Daphné Citherlet
- Neurosciences Axis, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada
| | - Charles Deacon
- Neurology Division, Centre Hospitalier de l'Université de Sherbrooke (CHUS), Sherbrooke, QC, Canada
| | - Didier Jutras-Aswad
- Neurosciences Axis, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada
- Department of Psychiatry and Addictology, Université de Montréal, Montreal, QC, Canada
| | - Mark Robert Keezer
- Neurosciences Axis, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada
- Department of Neurosciences, Université de Montréal, Montreal, QC, Canada
- School of Public Health, Université de Montréal, Montreal, QC, Canada
- Neurology Division, Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC, Canada
| | - Dang Khoa Nguyen
- Neurosciences Axis, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada
- Department of Neurosciences, Université de Montréal, Montreal, QC, Canada
- Neurology Division, Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC, Canada
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Garcia-Romeu A, Elmore J, Mayhugh RE, Schlienz NJ, Martin EL, Strickland JC, Bonn-Miller M, Jackson H, Vandrey R. Online survey of medicinal cannabis users: Qualitative analysis of patient-level data. Front Pharmacol 2022; 13:965535. [PMID: 36147312 PMCID: PMC9485457 DOI: 10.3389/fphar.2022.965535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 07/18/2022] [Indexed: 11/25/2022] Open
Abstract
Aim: To characterize perceived benefits and challenges experienced by medicinal cannabis users. Methods: An anonymous online survey collected demographics, health information, and open-ended responses from medicinal cannabis users regarding perceptions, motivations, and experience of treatment. Qualitative open-ended responses were thematically analyzed. Results: Respondents (N = 808) were predominantly White (79%), female (63%), with a mean (SD) age of 38 (20). Two hundred eighty-four (35%) respondents provided data on a dependent family member (e.g., child; 22% of total sample). Most used cannabidiol (CBD)-dominant products (58%), primarily for neurological disorders (38%) or pain (25%). Primary motivations for medicinal cannabis use were based on beliefs that traditional treatments were ineffective and/or had intolerable side effects (51%), positive scientific or media portrayals of the safety/efficacy of cannabis as a therapeutic (29%), or preference for “natural” treatments over pharmaceuticals (21%). A majority of respondents (77%) attributed positive effects to the medicinal use of cannabis/cannabinoids. These included physical symptom improvements such as reduced pain (28%), improved sleep (18%), and seizure reduction (18%), and mental health improvements including reduced anxiety (22%) and improved mood (11%). Additionally, respondents reported reduced use of other medications (e.g., opioids) (12%), and improved quality of life (14%). Problems associated with use were cited by 41% of respondents, and included unwanted side effects (16%), lack of information or medical support (16%), prohibitive costs (12%), and legal concerns (10%). Conclusion: Most participants reported benefits from cannabis use for a variety of conditions where traditional treatments were ineffective or unacceptable. Concerns regarding cannabis side effects, legality, lack of information, and cost were raised. Data indicate greater research and education on the safety and efficacy of medicinal cannabis/cannabinoid use is warranted.
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Affiliation(s)
- Albert Garcia-Romeu
- Johns Hopkins University School of Medicine, Baltimore, MD, United States
- *Correspondence: Albert Garcia-Romeu,
| | - Joshua Elmore
- University of Colorado Boulder, Boulder, CO, United States
| | | | | | - Erin L. Martin
- Medical University of South Carolina, Charleston, SC, United States
| | | | | | - Heather Jackson
- Realm of Caring Foundation, Colorado Springs, Colorado, CO, United States
| | - Ryan Vandrey
- Johns Hopkins University School of Medicine, Baltimore, MD, United States
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Suraev A, Benson MJ, Martin L, Lintzeris N, McGregor IS. Determination of contaminants in artisanal cannabis products used for childhood epilepsy in the Australian community: A sub-analysis of the 'PELICAN' study. Epilepsy Behav 2022; 127:108496. [PMID: 34954507 DOI: 10.1016/j.yebeh.2021.108496] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 11/07/2021] [Accepted: 12/02/2021] [Indexed: 12/19/2022]
Abstract
Despite recent approval of pharmaceutical-grade cannabis products for the treatment of childhood epilepsy, some families continue to use artisanal cannabis products as a way to manage seizures in their children. However, such products are typically of unknown composition and quality, and may therefore pose an unpredictable health risk to the child. In the present analysis, 78 samples of cannabis products collected (as part of a previous study) from families of children with epilepsy (average age 8.8 ± 4.6 years) were analyzed for heavy metals (arsenic, cadmium, lead, and mercury), residual solvents (panel of 19 solvents) and pesticides (panel of 57 pesticides). Due to small sample volumes obtained, only a subset of samples was used in each analysis. Results showed that no cannabis sample exceeded the toxicity limits for heavy metals (n = 51 samples tested). Of the 58 cannabis samples tested for residual solvents, 17 (29%) contained concentrations of ethanol or isopropanol above the generally accepted limit of 5000 parts per million. With the volumes consumed, it was thought unlikely that children were consuming hazardous amounts of residual solvents, although this could not be ruled out in every case. Most samples (n = 31 samples tested) yielded inconclusive results for the pesticides, although one sample contained concentrations of bifenthrin that were 4.9 times higher than the acceptable limit. Overall, these results highlight the need for improved access to quality-assured cannabis products and the education of doctors, patients, and artisanal manufacturers around the contaminant exposure risk in unregulated cannabis products.
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Affiliation(s)
- Anastasia Suraev
- The University of Sydney, Lambert Initiative for Cannabinoid Therapeutics, Sydney, Australia; The University of Sydney, Brain and Mind Centre, Sydney, Australia; The University of Sydney, Faculty of Science, School of Psychology, Sydney, Australia.
| | - Melissa J Benson
- The University of Sydney, Lambert Initiative for Cannabinoid Therapeutics, Sydney, Australia; The University of Sydney, Brain and Mind Centre, Sydney, Australia; The University of Sydney, Faculty of Science, School of Psychology, Sydney, Australia.
| | - Lewis Martin
- The University of Sydney, Lambert Initiative for Cannabinoid Therapeutics, Sydney, Australia; The University of Sydney, Brain and Mind Centre, Sydney, Australia; The University of Sydney, Faculty of Science, School of Psychology, Sydney, Australia.
| | - Nicholas Lintzeris
- Drug and Alcohol Services, South East Sydney Local Health District, Sydney, Australia; Division Addiction Medicine, Faculty Medicine and Health, Sydney, Australia; NSW DACRIN (Drug and Alcohol Clinical Research and Improvement Network), Sydney, Australia.
| | - Iain S McGregor
- The University of Sydney, Lambert Initiative for Cannabinoid Therapeutics, Sydney, Australia; The University of Sydney, Brain and Mind Centre, Sydney, Australia; The University of Sydney, Faculty of Science, School of Psychology, Sydney, Australia.
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