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Adams ZW, Marriott BR, Hulvershorn LA, Hinckley JD. Treatment of Adolescent Cannabis Use Disorders. Psychiatr Clin North Am 2023; 46:775-788. [PMID: 37879838 DOI: 10.1016/j.psc.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
This review summarizes treatments for cannabis use disorder (CUD) in adolescents. The best supported CUD treatments are cognitive behavioral psychotherapies, including family-based models that facilitate environmental changes and youth-focused models that incorporate skills training, motivational interviewing, and contingency management to promote reductions in cannabis use. Some medications show promise in reducing cannabis craving and withdrawal symptoms. Further research is needed on the efficacy and implementation of existing treatments given the changes in cannabis use trends over time and on emerging technologies that may expand access to evidence-based CUD treatments.
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Affiliation(s)
- Zachary W Adams
- Department of Psychiatry, Indiana University School of Medicine, 410 West 10th Street, Suite 2000, Indianapolis, IN 46202, USA.
| | - Brigid R Marriott
- Department of Psychiatry, Indiana University School of Medicine, 410 West 10th Street, Suite 2000, Indianapolis, IN 46202, USA
| | - Leslie A Hulvershorn
- Department of Psychiatry, Indiana University School of Medicine, 1002 Wishard Boulevard, Suite 4110, Indianapolis, IN 46202, USA
| | - Jesse D Hinckley
- Department of Psychiatry, University of Colorado School of Medicine, 13001 East 17th Place, MS-F546, Aurora, CO 80045, USA. https://twitter.com/JHinckleyMDPhD
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2
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Haney M, Vallée M, Fabre S, Collins Reed S, Zanese M, Campistron G, Arout CA, Foltin RW, Cooper ZD, Kearney-Ramos T, Metna M, Justinova Z, Schindler C, Hebert-Chatelain E, Bellocchio L, Cathala A, Bari A, Serrat R, Finlay DB, Caraci F, Redon B, Martín-García E, Busquets-Garcia A, Matias I, Levin FR, Felpin FX, Simon N, Cota D, Spampinato U, Maldonado R, Shaham Y, Glass M, Thomsen LL, Mengel H, Marsicano G, Monlezun S, Revest JM, Piazza PV. Signaling-specific inhibition of the CB 1 receptor for cannabis use disorder: phase 1 and phase 2a randomized trials. Nat Med 2023; 29:1487-1499. [PMID: 37291212 PMCID: PMC10287566 DOI: 10.1038/s41591-023-02381-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 05/01/2023] [Indexed: 06/10/2023]
Abstract
Cannabis use disorder (CUD) is widespread, and there is no pharmacotherapy to facilitate its treatment. AEF0117, the first of a new pharmacological class, is a signaling-specific inhibitor of the cannabinoid receptor 1 (CB1-SSi). AEF0117 selectively inhibits a subset of intracellular effects resulting from Δ9-tetrahydrocannabinol (THC) binding without modifying behavior per se. In mice and non-human primates, AEF0117 decreased cannabinoid self-administration and THC-related behavioral impairment without producing significant adverse effects. In single-ascending-dose (0.2 mg, 0.6 mg, 2 mg and 6 mg; n = 40) and multiple-ascending-dose (0.6 mg, 2 mg and 6 mg; n = 24) phase 1 trials, healthy volunteers were randomized to ascending-dose cohorts (n = 8 per cohort; 6:2 AEF0117 to placebo randomization). In both studies, AEF0117 was safe and well tolerated (primary outcome measurements). In a double-blind, placebo-controlled, crossover phase 2a trial, volunteers with CUD were randomized to two ascending-dose cohorts (0.06 mg, n = 14; 1 mg, n = 15). AEF0117 significantly reduced cannabis' positive subjective effects (primary outcome measurement, assessed by visual analog scales) by 19% (0.06 mg) and 38% (1 mg) compared to placebo (P < 0.04). AEF0117 (1 mg) also reduced cannabis self-administration (P < 0.05). In volunteers with CUD, AEF0117 was well tolerated and did not precipitate cannabis withdrawal. These data suggest that AEF0117 is a safe and potentially efficacious treatment for CUD.ClinicalTrials.gov identifiers: NCT03325595 , NCT03443895 and NCT03717272 .
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Affiliation(s)
- Margaret Haney
- Department of Psychiatry, Columbia University Irving Medical Center, New York State Psychiatric Institute, New York, NY, USA
| | - Monique Vallée
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | | | - Stephanie Collins Reed
- Department of Psychiatry, Columbia University Irving Medical Center, New York State Psychiatric Institute, New York, NY, USA
| | | | | | - Caroline A Arout
- Department of Psychiatry, Columbia University Irving Medical Center, New York State Psychiatric Institute, New York, NY, USA
| | - Richard W Foltin
- Department of Psychiatry, Columbia University Irving Medical Center, New York State Psychiatric Institute, New York, NY, USA
| | - Ziva D Cooper
- Department of Psychiatry, Columbia University Irving Medical Center, New York State Psychiatric Institute, New York, NY, USA
- University of California, Los Angeles, Los Angeles, CA, USA
| | - Tonisha Kearney-Ramos
- Department of Psychiatry, Columbia University Irving Medical Center, New York State Psychiatric Institute, New York, NY, USA
| | | | - Zuzana Justinova
- Behavioral Neuroscience Research Branch, National Institute on Drug Abuse Intramural Research Program, National Institutes of Health, Department of Health and Human Services, Baltimore, MD, USA
| | - Charles Schindler
- Behavioral Neuroscience Research Branch, National Institute on Drug Abuse Intramural Research Program, National Institutes of Health, Department of Health and Human Services, Baltimore, MD, USA
| | | | - Luigi Bellocchio
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | - Adeline Cathala
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | | | | | - David B Finlay
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Filippo Caraci
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
- Department of Drug and Health Sciences, University of Catania, Italy, and Oasi Research Institute-IRCCS, Unit of Translational Neuropharmacology, Troina, Italy
| | - Bastien Redon
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
- Basic Neuroscience Department, Université de Genève, Genève, Switzerland
| | - Elena Martín-García
- Laboratory of Neuropharmacology, Department of Medicine and Life Sciences, University Pompeu Fabra, Barcelona, Spain
| | - Arnau Busquets-Garcia
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
- Cell-Type Mechanisms in Normal and Pathological Behavior Research Group, Neuroscience Programme, IMIM Hospital del Mar Medical Research Institute, Barcelona, Spain
| | - Isabelle Matias
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | - Frances R Levin
- Department of Psychiatry, Columbia University Irving Medical Center, New York State Psychiatric Institute, New York, NY, USA
| | | | - Nicolas Simon
- Aix Marseille Univ, APHM, INSERM, IRD, SESSTIM, Hop Sainte Marguerite, Service de Pharmacologie Clinique, Marseille, France
| | - Daniela Cota
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | | | - Rafael Maldonado
- Laboratory of Neuropharmacology, Department of Medicine and Life Sciences, University Pompeu Fabra, Barcelona, Spain
| | - Yavin Shaham
- Behavioral Neuroscience Research Branch, National Institute on Drug Abuse Intramural Research Program, National Institutes of Health, Department of Health and Human Services, Baltimore, MD, USA
| | - Michelle Glass
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
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Adams ZW, Marriott BR, Hulvershorn LA, Hinckley J. Treatment of Adolescent Cannabis Use Disorders. Child Adolesc Psychiatr Clin N Am 2023; 32:141-155. [PMID: 36410901 PMCID: PMC10097012 DOI: 10.1016/j.chc.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
This review summarizes treatments for cannabis use disorder (CUD) in adolescents. The best supported CUD treatments are cognitive behavioral psychotherapies, including family-based models that facilitate environmental changes and youth-focused models that incorporate skills training, motivational interviewing, and contingency management to promote reductions in cannabis use. Some medications show promise in reducing cannabis craving and withdrawal symptoms. Further research is needed on the efficacy and implementation of existing treatments given the changes in cannabis use trends over time and on emerging technologies that may expand access to evidence-based CUD treatments.
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Affiliation(s)
- Zachary W Adams
- Department of Psychiatry, Indiana University School of Medicine, 410 West 10th Street, Suite 2000, Indianapolis, IN 46202, USA.
| | - Brigid R Marriott
- Department of Psychiatry, Indiana University School of Medicine, 410 West 10th Street, Suite 2000, Indianapolis, IN 46202, USA
| | - Leslie A Hulvershorn
- Department of Psychiatry, Indiana University School of Medicine, 1002 Wishard Boulevard, Suite 4110, Indianapolis, IN 46202, USA
| | - Jesse Hinckley
- Department of Psychiatry, University of Colorado School of Medicine, 13001 East 17th Place, MS-F546, Aurora, CO 80045, USA. https://twitter.com/JHinckleyMDPhD
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4
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Fox HC, Milivojevic V, Sinha R. Therapeutics for Substance-Using Women: The Need to Elucidate Sex-Specific Targets for Better-Tailored Treatments. Handb Exp Pharmacol 2023; 282:127-161. [PMID: 37592081 DOI: 10.1007/164_2023_687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
In the last decade, alcohol consumption in the US has risen by 84% in women compared with 35% in men. Furthermore, research has shown that sex- and gender-related differences may disadvantage women in terms of developing a range of psychological, cognitive, and medical problems considerably earlier in their drinking history than men, and despite consuming a similar quantity of substances. While this "telescoping" process has been acknowledged in the literature, a concomitant understanding of the underlying biobehavioral mechanisms, and an increase in the development of specific treatments tailored to women, has not occurred. In the current chapter we focus on understanding why the need for personalized, sex-specific medications is imperative, and highlight some of the potential sex-specific gonadal and stress-related adaptations underpinning the accelerated progress from controlled to compulsive drug and alcohol seeking in women. We additionally discuss the efficacy of these mechanisms as novel targets for medications development, using exogenous progesterone and guanfacine as examples. Finally, we assess some of the challenges faced and progress made in terms of developing innovative medications in women. We suggest that agents such as exogenous progesterone and adrenergic medications, such as guanfacine, may provide some efficacy in terms of attenuating stress-induced craving for several substances, as well as improving the ability to emotionally regulate in the face of stress, preferentially in women. However, to fully leverage the potential of these therapeutics in substance-using women, greater focus needs to the placed on reducing barriers to treatment and research by encouraging women into clinical trials.
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Affiliation(s)
- Helen C Fox
- Department of Psychiatry and Behavioral Health, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA.
| | - Verica Milivojevic
- The Yale Stress Center, Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Rajita Sinha
- The Yale Stress Center, Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
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Novel biological insights into the common heritable liability to substance involvement: a multivariate genome-wide association study. Biol Psychiatry 2022. [DOI: 10.1016/j.biopsych.2022.07.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Haney M, Bedi G, Cooper ZD, Herrmann ES, Reed SC, Foltin RW, Kingsley PJ, Marnett LJ, Patel S. Impact of cyclooxygenase‐2 inhibition on cannabis withdrawal and circulating endocannabinoids in daily cannabis smokers. Addict Biol 2022; 27:e13183. [DOI: 10.1111/adb.13183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 05/07/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Margaret Haney
- New York State Psychiatric Institute New York New York USA
- Columbia University Irving Medical Center New York New York USA
| | - Gillinder Bedi
- Centre for Youth Mental Health The University of Melbourne and Substance Use Research Group, Orygen Melbourne Australia
| | - Ziva D. Cooper
- Los Angeles Cannabis Research Initiative, Jane & Terry Semel Institute for Neuroscience & Human Behavior, Department of Psychiatry and Biobehavioral Sciences, Department of Anesthesiology and Perioperative Medicine, David Geffen School of Medicine University of California Los Angeles California USA
| | - Evan S. Herrmann
- Division of Therapeutics and Medical Consequences National Institute on Drug Abuse Bethesda Maryland USA
| | - Stephanie Collins Reed
- New York State Psychiatric Institute New York New York USA
- Columbia University Irving Medical Center New York New York USA
| | - Richard W. Foltin
- New York State Psychiatric Institute New York New York USA
- Columbia University Irving Medical Center New York New York USA
| | - Philip J. Kingsley
- A.B. Hancock Jr. Memorial Laboratory for Cancer Research, Departments of Biochemistry, Chemistry, and Pharmacology Vanderbilt University Nashville Tennessee USA
| | - Lawrence J. Marnett
- A.B. Hancock Jr. Memorial Laboratory for Cancer Research, Departments of Biochemistry, Chemistry, and Pharmacology Vanderbilt University Nashville Tennessee USA
| | - Sachin Patel
- Department of Psychiatry and Behavioral Sciences Vanderbilt University Medical Center Nashville Tennessee USA
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At the intersection of sleep deficiency and opioid use: mechanisms and therapeutic opportunities. Transl Res 2021; 234:58-73. [PMID: 33711513 PMCID: PMC8217216 DOI: 10.1016/j.trsl.2021.03.006] [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] [Received: 12/14/2020] [Revised: 02/17/2021] [Accepted: 03/06/2021] [Indexed: 12/18/2022]
Abstract
Due to the ongoing opioid epidemic, innovative scientific perspectives and approaches are urgently needed to reduce the unprecedented personal and societal burdens of nonmedical and recreational opioid use. One promising opportunity is to focus on the relationship between sleep deficiency and opioid use. In this review, we examine empirical evidence: (1) at the interface of sleep deficiency and opioid use, including hypothesized bidirectional associations between sleep efficiency and opioid abstinence; (2) as to whether normalization of sleep deficiency might directly or indirectly improve opioid abstinence (and vice versa); and (3) regarding mechanisms that could link improvements in sleep to opioid abstinence. Based on available data, we identify candidate sleep-restorative therapeutic approaches that should be examined in rigorous clinical trials.
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Arout CA, Cooper ZD, Reed SC, Foltin RW, Comer SD, Levin FR, Haney M. 5HT-2C agonist lorcaserin decreases cannabis self-administration in daily cannabis smokers. Addict Biol 2021; 26:e12993. [PMID: 33389797 DOI: 10.1111/adb.12993] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 10/27/2020] [Accepted: 11/10/2020] [Indexed: 12/22/2022]
Abstract
There are no FDA-approved treatments for cannabis use disorder (CUD). Preclinical research has shown that the 5HT-2C agonist lorcaserin attenuates cue-induced reinstatement of THC seeking and self-administration. The goal of this placebo-controlled, counterbalanced, within-subject human laboratory study was to examine lorcaserin's effects on cannabis intoxication and self-administration. Lorcaserin (10 mg BID) was administered during one of two 13-day inpatient phases and placebo during the other; each phase was separated by ≥7 days of washout. Inpatient phases comprised (1) standardized cannabis administration (7.0% THC) at no financial cost (intoxication), counterbalanced with (2) the option to self-administer cannabis following either 0 or 3 days of abstinence. Cognitive task performance, food intake, subjective ratings of drug effects, objective/subjective sleep measures, and tobacco cigarette use were also assessed. Fifteen normal-weight, daily cannabis users (4F, 11M) not seeking treatment for CUD completed the study. Lorcaserin significantly reduced cannabis self-administration following 0 and 3 days of cannabis abstinence and also reduced craving for cannabis during abstinence. Lorcaserin produced small but significant increases in positive cannabis ratings and body weight relative to placebo. Lorcaserin also reduced tobacco cigarette smoking on days of cannabis administration relative to placebo. During abstinence, subjective but not objective measures of sleep quality worsened during lorcaserin maintenance. Overall, lorcaserin's ability to decrease drug taking and cannabis craving in nontreatment-seeking cannabis users supports further investigation of 5HT-2C agonists as potential pharmacotherapies for CUD.
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Affiliation(s)
- Caroline A. Arout
- Department of Psychiatry, New York State Psychiatric Institute Columbia University Irving Medical Center New York NY USA
| | - Ziva D. Cooper
- UCLA Cannabis Research Initiative, Jane and Terry Semel Institute for Neuroscience and Human Behavior, Department of Psychiatry and Biobehavioral Sciences University of California, Los Angeles Los Angeles CA USA
| | - Stephanie Collins Reed
- Department of Psychiatry, New York State Psychiatric Institute Columbia University Irving Medical Center New York NY USA
| | - Richard W. Foltin
- Department of Psychiatry, New York State Psychiatric Institute Columbia University Irving Medical Center New York NY USA
| | - Sandra D. Comer
- Department of Psychiatry, New York State Psychiatric Institute Columbia University Irving Medical Center New York NY USA
| | - Frances R. Levin
- Department of Psychiatry, New York State Psychiatric Institute Columbia University Irving Medical Center New York NY USA
| | - Margaret Haney
- Department of Psychiatry, New York State Psychiatric Institute Columbia University Irving Medical Center New York NY USA
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Roehrs T, Sibai M, Roth T. Sleep and alertness disturbance and substance use disorders: A bi-directional relation. Pharmacol Biochem Behav 2021; 203:173153. [PMID: 33582097 PMCID: PMC7996967 DOI: 10.1016/j.pbb.2021.173153] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/18/2021] [Accepted: 02/09/2021] [Indexed: 02/04/2023]
Abstract
The majority of the literature describing the relation of sleep/alertness disturbance and substance use disorders (SUD) has focused on the disruptive effects of substances with abuse liability on sleep and alertness. Rarely have studies or literature reviews assessed or discussed how sleep/alertness disturbance affects substance use. This paper focuses on the sleep/alertness disturbance side of the relation. We argue that the relation is bi-directional and review evidence showing that sleep/alertness disturbance affects all phases of the addiction cycle, including the initiation, maintenance and relapse of SUD. We review a variety of substances across all phases of the addiction cycle and conclude sleep/alertness disturbance is a critical factor in both understanding and treating SUD.
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Affiliation(s)
- Timothy Roehrs
- Sleep Medicine, Henry Ford Health System, Detroit, MI, United States of America; Dept of Psychiatry & Behavioral Neuroscience, Wayne State University, SOM, Detroit, MI, United States of America; Dept of Psychology, University of Detroit Mercy, Detroit, MI, United States of America
| | - Mohammad Sibai
- Sleep Medicine, Henry Ford Health System, Detroit, MI, United States of America; Dept of Psychology, University of Detroit Mercy, Detroit, MI, United States of America
| | - Thomas Roth
- Sleep Medicine, Henry Ford Health System, Detroit, MI, United States of America; Dept of Psychiatry & Behavioral Neuroscience, Wayne State University, SOM, Detroit, MI, United States of America.
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Kayser RR, Haney M, Simpson HB. Human Laboratory Models of Cannabis Use: Applications for Clinical and Translational Psychiatry Research. Front Psychiatry 2021; 12:626150. [PMID: 33716825 PMCID: PMC7947318 DOI: 10.3389/fpsyt.2021.626150] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 02/03/2021] [Indexed: 11/13/2022] Open
Abstract
Cannabis is increasingly used by individuals with mental health diagnoses and often purported to treat anxiety and various other psychiatric symptoms. Yet support for using cannabis as a psychiatric treatment is currently limited by a lack of evidence from rigorous placebo-controlled studies. While regulatory hurdles and other barriers make clinical trials of cannabis challenging to conduct, addiction researchers have decades of experience studying cannabis use in human laboratory models. These include methods to control cannabis administration, to delineate clinical and mechanistic aspects of cannabis use, and to evaluate potential treatment applications for cannabis and its constituents. In this paper, we review these human laboratory procedures and describe how each can be applied to study cannabis use in patients with psychiatric disorders. Because anxiety disorders are among the most common psychiatric illnesses affecting American adults, and anxiety relief is also the most commonly-reported reason for medicinal cannabis use, we focus particularly on applying human laboratory models to study cannabis effects in individuals with anxiety and related disorders. Finally, we discuss how these methods can be integrated to study cannabis effects in other psychiatric conditions and guide future research in this area.
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Affiliation(s)
- Reilly R. Kayser
- Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States
- Research Foundation for Mental Hygiene, New York State Psychiatric Institute, New York, NY, United States
| | - Margaret Haney
- Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States
- Research Foundation for Mental Hygiene, New York State Psychiatric Institute, New York, NY, United States
| | - Helen Blair Simpson
- Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States
- Research Foundation for Mental Hygiene, New York State Psychiatric Institute, New York, NY, United States
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11
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Drug addiction co-morbidity with alcohol: Neurobiological insights. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2021; 157:409-472. [PMID: 33648675 DOI: 10.1016/bs.irn.2020.11.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Addiction is a chronic disorder that consists of a three-stage cycle of binge/intoxication, withdrawal/negative affect, and preoccupation/anticipation. These stages involve, respectively, neuroadaptations in brain circuits involved in incentive salience and habit formation, stress surfeit and reward deficit, and executive function. Much research on addiction focuses on the neurobiology underlying single drug use. However, alcohol use disorder (AUD) can be co-morbid with substance use disorder (SUD), called dual dependence. The limited epidemiological data on dual dependence indicates that there is a large population of individuals suffering from addiction who are dependent on more than one drug and/or alcohol, yet dual dependence remains understudied in addiction research. Here, we review neurobiological data on neurotransmitter and neuropeptide systems that are known to contribute to addiction pathology and how the involvement of these systems is consistent or divergent across drug classes. In particular, we highlight the dopamine, opioid, corticotropin-releasing factor, norepinephrine, hypocretin/orexin, glucocorticoid, neuroimmune signaling, endocannabinoid, glutamate, and GABA systems. We also discuss the limited research on these systems in dual dependence. Collectively, these studies demonstrate that the use of multiple drugs can produce neuroadaptations that are distinct from single drug use. Further investigation into the neurobiology of dual dependence is necessary to develop effective treatments for addiction to multiple drugs.
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Nielsen S, Sabioni P, Gowing L, Le Foll B. Pharmacotherapies for Cannabis Use Disorders: Clinical Challenges and Promising Therapeutic Agents. Handb Exp Pharmacol 2020; 258:355-372. [PMID: 31375922 DOI: 10.1007/164_2019_258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This chapter reviews pharmacotherapies that have been trialled for cannabis dependence, identifying those that warrant further research and those of little or uncertain value. A diverse range of medicines have been tested, representing a broad range of pharmacological strategies. These include tetrahydrocannabinol preparations, various types of antidepressant, anxiolytics, a glutamatergic modulator and the neuropeptide oxytocin. Cannabinoid agonists warrant further research. For the FAAH inhibitor PF-04457845, oxytocin, varenicline and gabapentin, although there is a signal to indicate further research is warranted, these medications do not yet have sufficient evidence to support clinical use, and larger, longer-term trials are needed in representative treatment-seeking populations. Special populations that warrant consideration are those with cannabis dependence and concurrent mental health conditions and those that develop dependence through therapeutic use.
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Affiliation(s)
- Suzanne Nielsen
- Monash Addiction Research Centre, Monash University, Peninsula Campus, Frankston, VIC, Australia
| | - Pamela Sabioni
- Translational Addiction Research Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Linda Gowing
- Discipline of Pharmacology, University of Adelaide, Adelaide, SA, Australia
| | - Bernard Le Foll
- Translational Addiction Research Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada.
- Acute Care Program, Centre for Addiction and Mental Health, Toronto, ON, Canada.
- Departments of Family and Community Medicine, Pharmacology and Toxicology, Psychiatry, Institute of Medical Science, University of Toronto, Toronto, ON, Canada.
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada.
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13
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Li X, Slesinger PA. GABA B Receptors and Drug Addiction: Psychostimulants and Other Drugs of Abuse. Curr Top Behav Neurosci 2020; 52:119-155. [PMID: 33442842 DOI: 10.1007/7854_2020_187] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Metabotropic GABAB receptors (GABABRs) mediate slow inhibition and modulate synaptic plasticity throughout the brain. Dysfunction of GABABRs has been associated with psychiatric illnesses and addiction. Drugs of abuse alter GABAB receptor (GABABR) signaling in multiple brain regions, which partly contributes to the development of drug addiction. Recently, GABABR ligands and positive allosteric modulators (PAMs) have been shown to attenuate the initial rewarding effect of addictive substances, inhibit seeking and taking of these drugs, and in some cases, ameliorate drug withdrawal symptoms. The majority of the anti-addiction effects seen with GABABR modulation can be localized to ventral tegmental area (VTA) dopamine neurons, which receive complex inhibitory and excitatory inputs that are modified by drugs of abuse. Preclinical research suggests that GABABR PAMs are emerging as promising candidates for the treatment of drug addiction. Clinical studies on drug dependence have shown positive results with GABABR ligands but more are needed, and compounds with better pharmacokinetics and fewer side effects are critically needed.
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Affiliation(s)
- Xiaofan Li
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Paul A Slesinger
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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Haney M, Cooper ZD, Bedi G, Herrmann E, Comer SD, Reed SC, Foltin RW, Levin FR. Guanfacine decreases symptoms of cannabis withdrawal in daily cannabis smokers. Addict Biol 2019; 24:707-716. [PMID: 29659126 DOI: 10.1111/adb.12621] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Revised: 12/22/2017] [Accepted: 02/12/2018] [Indexed: 01/27/2023]
Abstract
The α2a-adrenergic agonist, lofexidine, reduced cannabis withdrawal-related sleep disruption in the laboratory, but side effects (e.g. fatigue, hypotension) limit its utility as a treatment for cannabis use disorder. This study tested the potential efficacy and tolerability of a daily bedtime administration of the FDA-approved α2a-adrenergic agonist, guanfacine, in a human laboratory model of cannabis use disorder. Daily, nontreatment-seeking cannabis smokers (13M, 2F) completed a within-subject study comprising two 9-day inpatient study phases. Each phase tested the effects of daily placebo or immediate-release guanfacine (2 mg) on cannabis intoxication (5.6 percent THC; 2 days), withdrawal (4 days of abstinence) and subsequent 'relapse' (3 days of cannabis self-administration). Ratings of mood, sleep, cardiovascular effects, food intake, psychomotor performance and cannabis self-administration were assessed. An outpatient phase preceded each inpatient phase for medication clearance or dose induction. Under placebo medication conditions, cannabis abstinence produced significant withdrawal, including irritability, sleep disruption and anorexia. Guanfacine reduced ratings of irritability and improved objective measures of sleep during cannabis withdrawal relative to placebo but did not reduce cannabis self-administration. Guanfacine was well tolerated with little evidence of fatigue and only small decreases in blood pressure: no dose was held due to hypotension. Thus, a single daily administration of guanfacine at bedtime improved sleep and mood during cannabis withdrawal relative to placebo. This positive signal supports further studies varying the guanfacine dose, formulation or frequency of administration, or combining it with other medications to increase the likelihood of having an impact on cannabis use.
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Affiliation(s)
- Margaret Haney
- Division on Substance Use Disorders, New York State Psychiatric Institute and Department of PsychiatryColumbia University Medical Center New York NY USA
| | - Ziva D. Cooper
- Division on Substance Use Disorders, New York State Psychiatric Institute and Department of PsychiatryColumbia University Medical Center New York NY USA
| | - Gillinder Bedi
- Division on Substance Use Disorders, New York State Psychiatric Institute and Department of PsychiatryColumbia University Medical Center New York NY USA
| | - Evan Herrmann
- Division on Substance Use Disorders, New York State Psychiatric Institute and Department of PsychiatryColumbia University Medical Center New York NY USA
| | - Sandra D. Comer
- Division on Substance Use Disorders, New York State Psychiatric Institute and Department of PsychiatryColumbia University Medical Center New York NY USA
| | - Stephanie Collins Reed
- Division on Substance Use Disorders, New York State Psychiatric Institute and Department of PsychiatryColumbia University Medical Center New York NY USA
| | - Richard W. Foltin
- Division on Substance Use Disorders, New York State Psychiatric Institute and Department of PsychiatryColumbia University Medical Center New York NY USA
| | - Frances R. Levin
- Division on Substance Use Disorders, New York State Psychiatric Institute and Department of PsychiatryColumbia University Medical Center New York NY USA
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McClure EA, Tomko RL, Salazar CA, Akbar SA, Squeglia LM, Herrmann E, Carpenter MJ, Peters EN. Tobacco and cannabis co-use: Drug substitution, quit interest, and cessation preferences. Exp Clin Psychopharmacol 2019; 27:265-275. [PMID: 30556733 PMCID: PMC6538467 DOI: 10.1037/pha0000244] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The co-use of tobacco and cannabis is a common practice worldwide and carries with it substantial public health burden. Few interventions exist that target both substances and little is known about quit interest, treatment preferences, and drug substitution during past cessation attempts, which is critical to guide the development of treatment strategies. The goal of this study was to provide descriptive information regarding quit interest, treatment preferences, and perceived drug substitution among adult (age 18 +) cannabis-tobacco co-users. Participants (N = 282) from two independent survey samples (recruited from Amazon Mechanical Turk) from across the United States were combined. Among all participants, 57% were female, 79% were White, and average age was 33.31 (SD = 9.54) years old. Approximately 80% had tried to quit smoking cigarettes at least once, while 40% had tried to quit using cannabis at least once. Of those who tried to quit, 50% self-reported a perceived increase in their cannabis use during tobacco cessation and 62% self-reported a perceived increase in their tobacco use during cannabis cessation. Average quit interest (10-point scale) for cannabis was 2.39 (SD = 2.35) and for tobacco was 7.07 (SD = 2.90). Results of this study suggest that tobacco use should be addressed among cannabis-tobacco co-users, but interventions should consider lack of interest in cannabis cessation. Reduction-based strategies for cannabis use appear to be more acceptable to this nontreatment-seeking, co-using population. Drug substitution during quit attempts for one substance should be further explored as an important treatment consideration. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Affiliation(s)
- Erin A. McClure
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences
| | - Rachel L. Tomko
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences
| | - Claudia A. Salazar
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences
| | - Saima A. Akbar
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences
| | - Lindsay M. Squeglia
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences
| | | | - Matthew J. Carpenter
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences
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Abstract
BACKGROUND Globally, cannabis use is prevalent and widespread. There are currently no pharmacotherapies approved for treatment of cannabis use disorders.This is an update of a Cochrane Review first published in the Cochrane Library in Issue 12, 2014. OBJECTIVES To assess the effectiveness and safety of pharmacotherapies as compared with each other, placebo or no pharmacotherapy (supportive care) for reducing symptoms of cannabis withdrawal and promoting cessation or reduction of cannabis use. SEARCH METHODS We updated our searches of the following databases to March 2018: the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, Embase, PsycINFO and Web of Science. SELECTION CRITERIA Randomised controlled trials (RCTs) and quasi-RCTs involving the use of medications to treat cannabis withdrawal or to promote cessation or reduction of cannabis use, or both, in comparison with other medications, placebo or no medication (supportive care) in people diagnosed as cannabis dependent or who were likely to be dependent. DATA COLLECTION AND ANALYSIS We used standard methodological procedures expected by Cochrane. MAIN RESULTS We included 21 RCTs involving 1755 participants: 18 studies recruited adults (mean age 22 to 41 years); three studies targeted young people (mean age 20 years). Most (75%) participants were male. The studies were at low risk of performance, detection and selective outcome reporting bias. One study was at risk of selection bias, and three studies were at risk of attrition bias.All studies involved comparison of active medication and placebo. The medications were diverse, as were the outcomes reported, which limited the extent of analysis.Abstinence at end of treatment was no more likely with Δ9-tetrahydrocannabinol (THC) preparations than with placebo (risk ratio (RR) 0.98, 95% confidence interval (CI) 0.64 to 1.52; 305 participants; 3 studies; moderate-quality evidence). For selective serotonin reuptake inhibitor (SSRI) antidepressants, mixed action antidepressants, anticonvulsants and mood stabilisers, buspirone and N-acetylcysteine, there was no difference in the likelihood of abstinence at end of treatment compared to placebo (low- to very low-quality evidence).There was qualitative evidence of reduced intensity of withdrawal symptoms with THC preparations compared to placebo. For other pharmacotherapies, this outcome was either not examined, or no significant differences was reported.Adverse effects were no more likely with THC preparations (RR 1.02, 95% CI 0.89 to 1.17; 318 participants; 3 studies) or N-acetylcysteine (RR 0.94, 95% CI 0.71 to 1.23; 418 participants; 2 studies) compared to placebo (moderate-quality evidence). For SSRI antidepressants, mixed action antidepressants, buspirone and N-acetylcysteine, there was no difference in adverse effects compared to placebo (low- to very low-quality evidence).There was no difference in the likelihood of withdrawal from treatment due to adverse effects with THC preparations, SSRIs antidepressants, mixed action antidepressants, anticonvulsants and mood stabilisers, buspirone and N-acetylcysteine compared to placebo (low- to very low-quality evidence).There was no difference in the likelihood of treatment completion with THC preparations, SSRI antidepressants, mixed action antidepressants and buspirone compared to placebo (low- to very low-quality evidence) or with N-acetylcysteine compared to placebo (RR 1.06, 95% CI 0.93 to 1.21; 418 participants; 2 studies; moderate-quality evidence). Anticonvulsants and mood stabilisers appeared to reduce the likelihood of treatment completion (RR 0.66, 95% CI 0.47 to 0.92; 141 participants; 3 studies; low-quality evidence).Available evidence on gabapentin (anticonvulsant), oxytocin (neuropeptide) and atomoxetine was insufficient for estimates of effectiveness. AUTHORS' CONCLUSIONS There is incomplete evidence for all of the pharmacotherapies investigated, and for many outcomes the quality of the evidence was low or very low. Findings indicate that SSRI antidepressants, mixed action antidepressants, bupropion, buspirone and atomoxetine are probably of little value in the treatment of cannabis dependence. Given the limited evidence of efficacy, THC preparations should be considered still experimental, with some positive effects on withdrawal symptoms and craving. The evidence base for the anticonvulsant gabapentin, oxytocin, and N-acetylcysteine is weak, but these medications are also worth further investigation.
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Affiliation(s)
- Suzanne Nielsen
- Monash UniversityMonash Addiction Research CentrePeninsula CampusMcMahons RoadFrankstonVICAustralia3199
| | - Linda Gowing
- University of AdelaideDiscipline of PharmacologyFrome RoadAdelaideSouth AustraliaAustralia5005
| | - Pamela Sabioni
- Centre for Addiction and Mental Health; University of TorontoTranslational Addiction Research Laboratory33 Russell StreetTorontoONCanada
| | - Bernard Le Foll
- Centre for Addiction and Mental Health; University of TorontoTranslational Addiction Research Laboratory33 Russell StreetTorontoONCanada
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Reed SC, Haney M, Manubay J, Campagna BR, Reed B, Foltin RW, Evans SM. Sex differences in stress reactivity after intranasal oxytocin in recreational cannabis users. Pharmacol Biochem Behav 2018; 176:72-82. [PMID: 30521833 DOI: 10.1016/j.pbb.2018.11.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/30/2018] [Accepted: 11/26/2018] [Indexed: 12/25/2022]
Abstract
Cannabis is the most widely used illicit drugs and the changing legal, political and cultural climate will likely increase cannabis use further. One factor that may underlie the transition from recreational use to problematic use is stress. The hormone oxytocin (OXT) modulates stress and may have therapeutic efficacy for substance use disorders, but few studies have examined OXT in cannabis users. Another factor is sex; although more men smoke cannabis, the transition from recreational to problematic use is faster in women. Using a within-subjects design, the effects of intranasal (i.n.) oxytocin (OXT; 40 IU) administration on stress reactivity (using the Trier Social Stress Test; TSST) and cannabis (5.6% THC) self-administration was assessed in recreational cannabis using men (n = 31) and women (n = 32) relative to i.n. placebo (PBO) and no-stress (NST) conditions. The TSST produced expected subjective and cardiovascular effects compared to the NST. However, in the i.n. OXT-TSST condition, positive subjective effects were lower and negative subjective effects were higher in women compared to PBO administration and compared to men. Further, latency to self-administer cannabis was longer in women than men and women self-administered less cannabis than men regardless of stress condition. There were no differences in cannabis craving as a function of sex, stress, or medication. These results suggest that OXT administration may lead to greater stress reactivity in recreational cannabis users, particularly women, and support growing evidence that sex differences should be carefully considered when examining the therapeutic potential of OXT.
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Affiliation(s)
- Stephanie C Reed
- New York State Psychiatric Institute, New York, NY, United States of America; Columbia University Medical Center, New York, NY, United States of America.
| | - Margaret Haney
- New York State Psychiatric Institute, New York, NY, United States of America; Columbia University Medical Center, New York, NY, United States of America
| | - Jeanne Manubay
- New York State Psychiatric Institute, New York, NY, United States of America; Columbia University Medical Center, New York, NY, United States of America
| | - Bianca R Campagna
- New York State Psychiatric Institute, New York, NY, United States of America
| | - Brian Reed
- Rockefeller University, New York, NY, United States of America
| | - Richard W Foltin
- New York State Psychiatric Institute, New York, NY, United States of America; Columbia University Medical Center, New York, NY, United States of America
| | - Suzette M Evans
- New York State Psychiatric Institute, New York, NY, United States of America; Columbia University Medical Center, New York, NY, United States of America
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18
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Zhand N, Milin R. What do we know about the pharmacotheraputic management of insomnia in cannabis withdrawal: A systematic review. Am J Addict 2018; 27:453-464. [PMID: 30113101 DOI: 10.1111/ajad.12783] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Revised: 06/04/2018] [Accepted: 07/22/2018] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Sleep disturbance is one of the hallmarks of cannabis withdrawal. Studies have indicated that treatment of this key symptom may facilitate abstinence. In the present paper we aim to provide a systematic review of the extant literature on pharmacological management of sleep disturbance associated with cannabis withdrawal. METHOD We conducted a systematic literature search across five electronic databases including PubMed, Psycinfo, MEDLINE, Cochrane review and Embase. Human studies using a pharmacological treatment for sleep disturbances associated with cannabis withdrawal were included. Review articles, case-series, open trials, posters, and editorials were excluded. RESULTS Seventeen publications, involving 562 participants, were included in this review. Major limitations involved small sample size, high dropout rate, methodological limitations, and heterogeneity of participants. Most of the studies were at high risk of bias, further downgrading the level of evidence. A meta-analysis was not performed due to lack of quantitative data, marked heterogeneity and low quality of the included studies. CONCLUSION There is not sufficient evidence for any of the reviewed treatment options. Methodological limitations in a majority of the studies rendered their findings preliminary. Of the twelve investigated pharmacological agents, Gabapentin, Lofexidine, Mirtazapine, Quetiapine, and Zolpidem showed some primary benefits for treatment of sleep difficulties associated with cannabis withdrawal; however, future prospective studies are required to confirm such results. SCIENTIFIC SIGNIFICANCE This review examines the current evidence for potential pharmacological options for treatment of cannabis withdrawal and associated sleep disturbance. It furthers our knowledge and provides groundwork for future research. (Am J Addict 2018;27:453-464).
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Affiliation(s)
- Naista Zhand
- Department of Psychiatry, University of Ottawa, Ontario, Canada
| | - Robert Milin
- Department of Psychiatry, University of Ottawa, Ontario, Canada.,Head, Division of Addiction and Mental Health, Department of Psychiatry, University of Ottawa, Ontario, Canada
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Abstract
Cannabis (marijuana) is a drug product derived from the plant Cannabis sativa. Cannabinoid is a general term for all chemical constituents of the cannabis plant. Legalization of marijuana in numerous US states, the availability of cannabis of higher potency, and the emergence of synthetic cannabinoids may have contributed to increased demand for related medical services. The most effective available treatments for cannabis use disorder are psychosocial approaches. There is no pharmacotherapy approved treatment. This article reviews the current state of knowledge regarding effective treatments for cannabis use disorder.
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Affiliation(s)
- Annie Lévesque
- Department of Psychiatry, Mount Sinai West Hospital, 1000 10th Avenue, Suite 8C-02, New York, NY 10019, USA.
| | - Bernard Le Foll
- Translational Addiction Research Laboratory, Centre for Addiction and Mental Health (CAMH), 33 Russell Street, Toronto, Ontario M5S 2S1, Canada; Addiction Division, Addiction Medicine Service, Centre for Addiction and Mental Health, Toronto, Ontario M6J 1H4, Canada; Department of Pharmacology and Toxicology, Institute of Medical Sciences, University of Toronto, Toronto, Ontario M5S 1A8, Canada; Department of Psychiatry, Institute of Medical Sciences, University of Toronto, Toronto, Ontario M5S 1A8, Canada; Department of Family and Community Medicine, Institute of Medical Sciences, University of Toronto, Toronto, Ontario M5S 1A8, Canada
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20
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Abstract
Purpose of review The present review will provide an overview of the neurobiology, epidemiology, clinical impact, and treatment of cannabis use disorder (CUD) in mood disorders. Recent findings Patients with mood disorders including major depressive disorder (MDD) and bipolar disorder (BD) have higher rates of cannabis use, and CUD compared to the general population. Reasons for this association are not clear, nor are the putative therapeutic effects of cannabis use, or its components delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD), in these illnesses. The evidence surrounding treatments for patients with this comorbidity is lacking, with more support for psychotherapeutic treatments compared with pharmacological treatments. Summary Cannabis use may be associated mood disorders, but more research is needed to increase our understanding of the mechanisms for this association, and to develop more effective treatments for this comorbidity.
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21
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The Current State of Pharmacological Treatments for Cannabis Use Disorder and Withdrawal. Neuropsychopharmacology 2018; 43:173-194. [PMID: 28875989 PMCID: PMC5719115 DOI: 10.1038/npp.2017.212] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 08/31/2017] [Accepted: 08/31/2017] [Indexed: 02/07/2023]
Abstract
Cannabis use disorder (CUD) commonly occurs and carries a notable economic and functional burden at both individual and societal levels. While there are no clearly efficacious medication treatments for CUD, 20 years of committed and high-quality research in the human laboratory and clinical settings have resulted in medications with demonstrated effectiveness in the treatment of cannabis withdrawal, the ability to reduce cannabis use, and results that point to promising future work. The current state of pharmacology research for CUD highlights the need to consider particular characteristics of patients, such as gender, impulsivity, and severity of cannabis use, when selecting a medication in the off-label treatment of CUD or cannabis withdrawal. As a field, the body of work also exposes some areas in need of improvement in study design, selection of outcome measures, interpretation of results, and the overall process of evaluating candidate medications. Coming to a consensus as a field and addressing these gaps in future research will likely lend itself to further advances in improving the lives of patients with CUD.
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22
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Panlilio LV, Justinova Z. Preclinical Studies of Cannabinoid Reward, Treatments for Cannabis Use Disorder, and Addiction-Related Effects of Cannabinoid Exposure. Neuropsychopharmacology 2018; 43:116-141. [PMID: 28845848 PMCID: PMC5719102 DOI: 10.1038/npp.2017.193] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 08/17/2017] [Accepted: 08/22/2017] [Indexed: 12/21/2022]
Abstract
Cannabis use has become increasingly accepted socially and legally, for both recreational and medicinal purposes. Without reliable information about the effects of cannabis, people cannot make informed decisions regarding its use. Like alcohol and tobacco, cannabis can have serious adverse effects on health, and some people have difficulty discontinuing their use of the drug. Many cannabis users progress to using and becoming addicted to other drugs, but the reasons for this progression are unclear. The natural cannabinoid system of the brain is complex and involved in many functions, including brain development, reward, emotion, and cognition. Animal research provides an objective and controlled means of obtaining information about: (1) how cannabis affects the brain and behavior, (2) whether medications can be developed to treat cannabis use disorder, and (3) whether cannabis might produce lasting changes in the brain that increase the likelihood of becoming addicted to other drugs. This review explains the tactics used to address these issues, evaluates the progress that has been made, and offers some directions for future research.
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Affiliation(s)
- Leigh V Panlilio
- Preclinical Pharmacology Section, Behavioral Neuroscience Research Branch, Intramural Research Program, National Institute on Drug Abuse, NIH, DHHS, Baltimore, MD, USA
| | - Zuzana Justinova
- Preclinical Pharmacology Section, Behavioral Neuroscience Research Branch, Intramural Research Program, National Institute on Drug Abuse, NIH, DHHS, Baltimore, MD, USA
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23
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Sherman BJ, McRae-Clark AL. Treatment of Cannabis Use Disorder: Current Science and Future Outlook. Pharmacotherapy 2017; 36:511-35. [PMID: 27027272 DOI: 10.1002/phar.1747] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Cannabis is the most commonly used illicit substance in the United States. Rates of cannabis use and cannabis use disorder (CUD) have increased in the past decade, paralleling changes in the legal and political climate favoring legalization. Almost 20 million people 12 years or older report past-month cannabis use, and 8 million report daily or near-daily use. Concurrently, the perception that cannabis use poses a significant risk of negative consequences has decreased. Contrary to this perception, heavy cannabis use is associated with cognitive impairment, increased risk for psychotic disorders and other mental health problems, lower education attainment, and unemployment. Clinical trials of various treatments for CUD have likewise increased, focusing primarily on psychotherapy treatments, specifically motivational enhancement therapy, cognitive behavioral therapy, and contingency management. Their findings suggest that a combination of these three modalities produces the best abstinence outcomes, although abstinence rates remain modest and decline after treatment. More recently, pharmacotherapy trials have been conducted as adjunctive interventions to psychosocial treatment. N-acetylcysteine and gabapentin are two of the most promising medications, although no pharmacologic treatment has emerged as clearly efficacious. In this review, we provide a detailed summary of clinical trials that evaluated psychotherapy and pharmacotherapy for treating CUD and discuss emerging areas of clinical research and cannabis-specific barriers to treatment.
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Affiliation(s)
- Brian J Sherman
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Aimee L McRae-Clark
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina
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24
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Abstract
The cannabis withdrawal syndrome (CWS) is a criterion of cannabis use disorders (CUDs) (Diagnostic and Statistical Manual of Mental Disorders - Fifth Edition) and cannabis dependence (International Classification of Diseases [ICD]-10). Several lines of evidence from animal and human studies indicate that cessation from long-term and regular cannabis use precipitates a specific withdrawal syndrome with mainly mood and behavioral symptoms of light to moderate intensity, which can usually be treated in an outpatient setting. Regular cannabis intake is related to a desensitization and downregulation of human brain cannabinoid 1 (CB1) receptors. This starts to reverse within the first 2 days of abstinence and the receptors return to normal functioning within 4 weeks of abstinence, which could constitute a neurobiological time frame for the duration of CWS, not taking into account cellular and synaptic long-term neuroplasticity elicited by long-term cannabis use before cessation, for example, being possibly responsible for cannabis craving. The CWS severity is dependent on the amount of cannabis used pre-cessation, gender, and heritable and several environmental factors. Therefore, naturalistic severity of CWS highly varies. Women reported a stronger CWS than men including physical symptoms, such as nausea and stomach pain. Comorbidity with mental or somatic disorders, severe CUD, and low social functioning may require an inpatient treatment (preferably qualified detox) and post-acute rehabilitation. There are promising results with gabapentin and delta-9-tetrahydrocannabinol analogs in the treatment of CWS. Mirtazapine can be beneficial to treat CWS insomnia. According to small studies, venlafaxine can worsen the CWS, whereas other antidepressants, atomoxetine, lithium, buspirone, and divalproex had no relevant effect. Certainly, further research is required with respect to the impact of the CWS treatment setting on long-term CUD prognosis and with respect to psychopharmacological or behavioral approaches, such as aerobic exercise therapy or psychoeducation, in the treatment of CWS. The up-to-date ICD-11 Beta Draft is recommended to be expanded by physical CWS symptoms, the specification of CWS intensity and duration as well as gender effects.
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Affiliation(s)
- Udo Bonnet
- Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, Evangelisches Krankenhaus Castrop-Rauxel, Academic Teaching Hospital of the University of Duisburg-Essen, Castrop-Rauxel
- Department of Psychiatry and Psychotherapy, Faculty of Medicine, LVR-Hospital Essen, University of Duisburg-Essen, Essen
| | - Ulrich W Preuss
- Vitos-Klinik Psychiatrie und Psychotherapie Herborn, Herborn
- Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
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25
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Halah MP, Zochniak MP, Barr MS, George TP. Cannabis Use and Psychiatric Disorders: Implications for Mental Health and Addiction Treatment. CURRENT ADDICTION REPORTS 2016. [DOI: 10.1007/s40429-016-0128-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
Distress intolerance (an individual's perceived or actual inability to tolerate distressing psychological or physiological states) is associated with cannabis use. It is unknown whether a biobehavioral index of distress intolerance, breath-holding duration, is acutely influenced (increased or decreased) by cannabis. Such information may further inform understanding of the expression of psychological or physiological distress postcannabis use. This within-subjects study examined whether smoked marijuana with 2.7%-3.0% delta-9-tetrahydrocannabinol (THC), relative to placebo, acutely changed duration of breath holding. Participants (n = 88; 65.9% male) were nontreatment-seeking frequent cannabis users who smoked placebo or active THC cigarette on two separate study days and completed a breath-holding task postsmoking. Controlling for baseline breath-holding duration and participant sex, THC produced significantly shorter breath-holding durations relative to placebo. There was a significant interaction of drug administration × frequency of cannabis use, such that THC decreased breath-holding time among less frequent but not among more frequent users. Findings indicate that cannabis may exacerbate distress intolerance (via shorter breath-holding durations). As compared to less frequent cannabis users, frequent users display tolerance to cannabis' acute effects including increased ability to tolerate respiratory distress when holding breath. Objective measures of distress intolerance are sensitive to contextual factors such as acute drug intoxication, and may inform the link between cannabis use and the expression of psychological distress. (PsycINFO Database Record
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Affiliation(s)
- Samantha G. Farris
- University of Houston, Department of Psychology, Houston, TX
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, Providence, RI
| | - Jane Metrik
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, Providence, RI
- Providence VA Medical Center, Providence, RI
- Center for Alcohol and Addiction Studies, Brown University School of Public Health, Providence, RI
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27
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Herrmann ES, Cooper ZD, Bedi G, Ramesh D, Reed SC, Comer SD, Foltin RW, Haney M. Effects of zolpidem alone and in combination with nabilone on cannabis withdrawal and a laboratory model of relapse in cannabis users. Psychopharmacology (Berl) 2016; 233:2469-78. [PMID: 27085870 PMCID: PMC5302052 DOI: 10.1007/s00213-016-4298-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 04/05/2016] [Indexed: 10/21/2022]
Abstract
RATIONALE Each year, over 300,000 individuals in the USA enter treatment for cannabis use disorder (CUD). The development of effective pharmacotherapy for CUD is a priority. OBJECTIVE This placebo-controlled study examined the effects of zolpidem alone and in combination with nabilone on cannabis withdrawal and a laboratory measure of relapse. METHODS Eleven daily, non-treatment-seeking cannabis users completed three, 8-day inpatient phases; each phase tested a different medication condition in counter-balanced order. On the first day of each phase, participants were administered placebo capsules t.i.d. and smoked experimenter-administered active cannabis (5.6 % Δ(9)-tetrahydrocannabinol (THC)). On days 2-8, the participants were administered capsules containing either placebo (0 mg at 0900, 1800, and 2300 hours), zolpidem (0 mg at 0900 and 1800, and 12.5 mg at 2300), or zolpidem (12.5 mg at 2300) and nabilone (3 mg at 0900 and 1800). Cannabis withdrawal, subjective capsule effects, and cognitive performance were examined on days 3-4, when only inactive cannabis (0.0 % THC) was available for self-administration. "Relapse" was measured on days 5-8, when participants could self-administer active cannabis. RESULTS Both medication conditions decreased withdrawal-related disruptions in sleep, but only zolpidem in combination with nabilone decreased withdrawal-related disruptions in mood and food intake relative to placebo. Zolpidem in combination with nabilone, but not zolpidem alone, decreased self-administration of active cannabis. Zolpidem in combination with nabilone also produced small increases in certain abuse-related subjective capsule ratings, while zolpidem alone did not. Neither medication condition altered cognitive performance. CONCLUSIONS Clinical testing of nabilone, either alone, or in combination with zolpidem is warranted.
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Affiliation(s)
- Evan S Herrmann
- Division on Substance Abuse, New York State Psychiatric Institute, Department of Psychiatry, Columbia University Medical Center, New York, NY, USA.
| | - Ziva D Cooper
- Division on Substance Abuse, New York State Psychiatric Institute, Department of Psychiatry, Columbia University Medical Center, New York, NY, USA
| | - Gillinder Bedi
- Division on Substance Abuse, New York State Psychiatric Institute, Department of Psychiatry, Columbia University Medical Center, New York, NY, USA
| | - Divya Ramesh
- Division on Substance Abuse, New York State Psychiatric Institute, Department of Psychiatry, Columbia University Medical Center, New York, NY, USA
| | - Stephanie C Reed
- Division on Substance Abuse, New York State Psychiatric Institute, Department of Psychiatry, Columbia University Medical Center, New York, NY, USA
| | - Sandra D Comer
- Division on Substance Abuse, New York State Psychiatric Institute, Department of Psychiatry, Columbia University Medical Center, New York, NY, USA
| | - Richard W Foltin
- Division on Substance Abuse, New York State Psychiatric Institute, Department of Psychiatry, Columbia University Medical Center, New York, NY, USA
| | - Margaret Haney
- Division on Substance Abuse, New York State Psychiatric Institute, Department of Psychiatry, Columbia University Medical Center, New York, NY, USA
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Copeland J, Pokorski I. Progress toward pharmacotherapies for cannabis-use disorder: an evidence-based review. Subst Abuse Rehabil 2016; 7:41-53. [PMID: 27217809 PMCID: PMC4862355 DOI: 10.2147/sar.s89857] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Cannabis is the most widely used and variably regulated drug in the world, with increasing trends of use being reported in the US, Australia, Asia, and Africa. Evidence has shown a decrease in the age of commencement of cannabis use in some developed countries and a prolongation of risk of initiation to cannabis use beyond adolescence among more recent users. Cannabis use is associated with numerous health risks and long-term morbidity, as well as risk of developing cannabis-use disorders. Cannabis users infrequently seek professional treatment, and normally do so after a decade of use. Cannabis-use disorders are currently treated using a selection of psychosocial interventions. Severity of withdrawal is a factor that increases the risk of relapse, and is the target of pharmacotherapy studies. Currently, there is no approved pharmacotherapy for cannabis-use disorders. A number of approaches have been examined, and trials are continuing to find a safe and effective medication with little abuse liability.
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Affiliation(s)
- Jan Copeland
- UNSW Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Izabella Pokorski
- UNSW Medicine, University of New South Wales, Sydney, NSW, Australia
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Angarita GA, Emadi N, Hodges S, Morgan PT. Sleep abnormalities associated with alcohol, cannabis, cocaine, and opiate use: a comprehensive review. Addict Sci Clin Pract 2016; 11:9. [PMID: 27117064 PMCID: PMC4845302 DOI: 10.1186/s13722-016-0056-7] [Citation(s) in RCA: 192] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 04/08/2016] [Indexed: 01/27/2023] Open
Abstract
Sleep abnormalities are associated with acute and chronic use of addictive substances. Although sleep complaints associated with use and abstinence from addictive substances are widely recognized, familiarity with the underlying sleep abnormalities is often lacking, despite evidence that these sleep abnormalities may be recalcitrant and impede good outcomes. Substantial research has now characterized the abnormalities associated with acute and chronic use of alcohol, cannabis, cocaine, and opiates. This review summarizes this research and discusses the clinical implications of sleep abnormalities in the treatment of substance use disorders.
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Affiliation(s)
- Gustavo A Angarita
- Yale University Department of Psychiatry, Connecticut Mental Health Center, 34 Park Street, New Haven, CT, 06519, USA
| | - Nazli Emadi
- Yale University Department of Psychiatry, Connecticut Mental Health Center, 34 Park Street, New Haven, CT, 06519, USA
| | - Sarah Hodges
- Yale University Department of Psychiatry, Connecticut Mental Health Center, 34 Park Street, New Haven, CT, 06519, USA
| | - Peter T Morgan
- Yale University Department of Psychiatry, Connecticut Mental Health Center, 34 Park Street, New Haven, CT, 06519, USA.
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Mason BL, Mustafa A, Filbey F, Brown ES. Novel Pharmacotherapeutic Interventions for Cannabis Use Disorder. CURRENT ADDICTION REPORTS 2016. [DOI: 10.1007/s40429-016-0094-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Panlilio LV, Justinova Z, Trigo JM, Le Foll B. Screening Medications for the Treatment of Cannabis Use Disorder. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2016; 126:87-120. [PMID: 27055612 DOI: 10.1016/bs.irn.2016.02.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Cannabis use has been increasingly accepted legally and in public opinion. However, cannabis has the potential to produce adverse physical and mental health effects, and cannabis use disorder (CUD) occurs in a substantial percentage of both occasional and daily cannabis users. Many people have difficulty discontinuing use despite receiving treatment. Therefore, it would be beneficial to develop safe and effective medications for treating CUD. To achieve this, methods have been developed for screening and evaluating potential medications using animal models and controlled experimental protocols in human volunteers. In this chapter, we describe: (1) animal models available for assessing the effect of potential medications on specific aspects of CUD, (2) the main findings obtained so far with these animal models, (3) the approaches used to assess potential medications in humans in laboratory experiments and clinical trials, and (4) the effectiveness of several potential pharmacotherapies on particular aspects of CUD modeled in these human studies.
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Affiliation(s)
- L V Panlilio
- Preclinical Pharmacology Section, Behavioral Neuroscience Research Branch, NIDA, NIH, DHHS, Baltimore, MD, United States
| | - Z Justinova
- Preclinical Pharmacology Section, Behavioral Neuroscience Research Branch, NIDA, NIH, DHHS, Baltimore, MD, United States
| | - J M Trigo
- Translational Addiction Research Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - B Le Foll
- Translational Addiction Research Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada; Addiction Medicine Service, Ambulatory Care and Structured Treatments, Centre for Addiction and Mental Health, Toronto, ON, Canada; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada; Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.
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Allsop DJ, Bartlett DJ, Johnston J, Helliwell D, Winstock A, McGregor IS, Lintzeris N. The Effects of Lithium Carbonate Supplemented with Nitrazepam on Sleep Disturbance during Cannabis Abstinence. J Clin Sleep Med 2015; 11:1153-62. [PMID: 26285109 DOI: 10.5664/jcsm.5090] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 04/30/2015] [Indexed: 01/08/2023]
Abstract
STUDY OBJECTIVE Sleep disturbance is a hallmark feature of cannabis withdrawal. In this study we explored the effects of lithium treatment supplemented with nitrazepam on objective and subjective measures of sleep quality during inpatient cannabis withdrawal. METHODS Treatment-seeking cannabis-dependent adults (n = 38) were admitted for 8 days to an inpatient withdrawal unit and randomized to either oral lithium (500 mg) or placebo, twice daily in a double-blind RCT. Restricted nitrazepam (10 mg) was available on demand (in response to poor sleep) on any 3 of the 7 nights. Dependent outcome measures for analysis included repeated daily objective actigraphy and subjective sleep measures throughout the 8 day detox, subjective cannabis withdrawal ratings, and detoxification completion rates. RESULTS Based on actigraphy, lithium resulted in less fragmented sleep compared to placebo (p = 0.04), but no other objective measures were improved by lithium. Of the subjective measures, only nightmares were suppressed by lithium (p = 0.04). Lithium did not have a significant impact on the use of nitrazepam. Sleep bout length (p < 0.0001), sleep efficiency (p < 0.0001), and sleep fragmentation (p = 0.05) were improved on nights in which nitrazepam was used. In contrast, only night sweats improved with nitrazepam from the subjective measures (p = 0.04). A Cox regression with daily repeated measures of sleep efficiency averaged across all people in the study a predictor suggests that a one-unit increase in sleep efficiency (the ratio of total sleep time to the total time in bed expressed as a percentage) resulted in a 14.6% increase in retention in treatment (p = 0.008, Exp(B) = 0.854, 95% CI = 0.759-0.960). None of the other sleep measures, nor use of lithium or nitrazepam were significantly associated with retention in treatment. CONCLUSIONS Lithium seems to have only limited efficacy on sleep disturbance in cannabis withdrawal. However the nitrazepam improved several actigraphy measures of sleep disturbance, warranting further investigation. Discord between objective and subjective sleep indices suggest caution in evaluating treatment interventions with self-report sleep data only.
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Affiliation(s)
- David J Allsop
- School of Psychology, University of Sydney, Sydney, NSW, Australia.,Discipline of Addiction Medicine, Central Clinical School, University of Sydney, NSW Australia.,The Langton Centre, Drug and Alcohol Services, South Eastern Sydney Local Health District, Surry Hills, NSW, Australia
| | - Delwyn J Bartlett
- Woolcock Institute of Medical Research &University of Sydney, NSW, Australia
| | - Jennifer Johnston
- University Centre for Rural Health, University of Sydney, Lismore, NSW, Australia
| | | | | | - Iain S McGregor
- School of Psychology, University of Sydney, Sydney, NSW, Australia
| | - Nicholas Lintzeris
- Discipline of Addiction Medicine, Central Clinical School, University of Sydney, NSW Australia.,The Langton Centre, Drug and Alcohol Services, South Eastern Sydney Local Health District, Surry Hills, NSW, Australia
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Gates P, Albertella L, Copeland J. Cannabis withdrawal and sleep: A systematic review of human studies. Subst Abus 2015; 37:255-69. [DOI: 10.1080/08897077.2015.1023484] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Weinstein AM, Miller H, Bluvstein I, Rapoport E, Schreiber S, Bar-Hamburger R, Bloch M. Treatment of cannabis dependence using escitalopram in combination with cognitive-behavior therapy: a double-blind placebo-controlled study. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2015; 40:16-22. [PMID: 24359507 DOI: 10.3109/00952990.2013.819362] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Cannabis is the most frequently used illegal substance in the United States and Europe. There is a dramatic increase in the demand for treatment for cannabis dependence. Cannabis users frequently have co-morbid mood symptoms, especially depression and anxiety, and regular cannabis users may self-medicate for such symptoms. OBJECTIVES We report a double-blind, placebo-controlled treatment study, for the prevention of cannabis use in cannabis-dependent individuals. METHOD Regular cannabis-dependent users (n = 52) were treated for 9 weeks with weekly cognitive-behavior and motivation-enhancement therapy sessions together with escitalopram 10 mg/day. Urine samples were collected to monitor delta-9 tetrahydrocannabinol (THC) during treatment and questionnaires were administered to assess anxiety and depression. RESULTS We observed a high rate of dropout (50%) during the 9-week treatment program. Fifty-two patients were included in the intention-to-treat analysis. Of these, ten (19%) remained abstinent after 9 weeks of treatment as indicated by negative urine samples for THC. Escitalopram provided no advantage over placebo in either abstinence rates from cannabis or anxiety and depression scores during the withdrawal and abstinent periods. CONCLUSIONS Escitalopram treatment does not provide an additional benefit either for achieving abstinence, or for the treatment of the cannabis withdrawal syndrome. Due to limitations of our study, namely, a high dropout rate and effects of low abstinence rates on measures of anxiety, depression and withdrawal, it is premature to conclude that selective serotonin reuptake inhibitors are not effective for treatment of the cannabis withdrawal syndrome.
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Bonnet U, Specka M, Stratmann U, Ochwadt R, Scherbaum N. Abstinence phenomena of chronic cannabis-addicts prospectively monitored during controlled inpatient detoxification: cannabis withdrawal syndrome and its correlation with delta-9-tetrahydrocannabinol and -metabolites in serum. Drug Alcohol Depend 2014; 143:189-97. [PMID: 25127704 DOI: 10.1016/j.drugalcdep.2014.07.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 07/19/2014] [Accepted: 07/21/2014] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To investigate the course of cannabis withdrawal syndrome (CWS) within a controlled inpatient detoxification setting and to correlate severity of CWS with the serum-levels of delta-9-tetrahydrocannabinol (THC) and its main metabolites 11-hydroxy-delta-9-tetrahydrocannabinol (THC-OH) and 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid (THC-COOH). METHODS Thirty-nine treatment-seeking chronic cannabis dependents (ICD-10) were studied on admission and on abstinent days 2, 4, 8 and 16, using a CWS-checklist (MWC) and the Clinical Global Impression-Severity scale (CGI-S). Simultaneously obtained serum was analysed to its concentration of THC, THC-OH and THC-COOH. RESULTS MWC peaked on day 4 (10.4 ± 4.6 from 39 points) and declined to 2.9 ± 2.4 points on day 16. Women had a significantly stronger CWS than men. The CWS was dominated by craving>restlessness>nervousness>sleeplessness. CGI-S peaked with 5 out of 7 points. On admission, THC and its metabolites did negatively correlate with the severity of CWS. There was no significant correlation afterwards, no matter if CWS was medicated or not. THC-OH in serum declined most rapidly below detection limit, on median at day 4. At abstinence day 16, the THC-levels of 28.2% of the patients were still above 1g/ml (range: 1.3 to 6.4 ng/ml). CONCLUSIONS CWS increased and then decreased without any correlation between its severity and the serum-levels of THC or its main metabolites after admission. According to the CGI-S, most patients achieved the condition of 'markedly ill'. Serum THC-OH was most clearly associated with recent cannabis use. Residual THC was found in the serum of almost one-third of the patients at abstinence day 16.
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Affiliation(s)
- U Bonnet
- Department of Psychiatry, Psychotherapy and Psychosomatics, Evangelisches Krankenhaus Castrop-Rauxel, Academic Teaching Hospital of the University of Duisburg/Essen, Castrop-Rauxel, Germany.
| | - M Specka
- Department of Addictive Behavior and Addiction Medicine, LVR-Klinikum Essen, University of Duisburg/Essen, Essen, Germany
| | - U Stratmann
- Department of Psychiatry, Psychotherapy and Psychosomatics, Evangelisches Krankenhaus Castrop-Rauxel, Academic Teaching Hospital of the University of Duisburg/Essen, Castrop-Rauxel, Germany
| | - R Ochwadt
- MVZ synlab Leverkusen GmbH, Leverkusen, Germany
| | - N Scherbaum
- Department of Addictive Behavior and Addiction Medicine, LVR-Klinikum Essen, University of Duisburg/Essen, Essen, Germany
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Lin SK. Pharmacological means of reducing human drug dependence: a selective and narrative review of the clinical literature. Br J Clin Pharmacol 2014; 77:242-52. [PMID: 23701272 DOI: 10.1111/bcp.12163] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Accepted: 04/28/2013] [Indexed: 12/20/2022] Open
Abstract
Substance abuse or addictive disorder is a global problem. A greater understanding of the associated changes in brain pathophysiology supports the notion that pharmacological treatments are part of the necessary treatment options. Craving is a core symptom of addictive disorder. It refers to a strong desire to use drugs again either to re-experience positive effects or to diminish negative experiences. Currently there are a number of medicines that are effective in the treatment of addictive disorders. These medications can either be for substitution (same pharmacological effect as the abused substance) or anticraving (decrease the craving of the abused substance). In this MEDLNE based review, specific compounds (naltrexone, acamprosate, topiramate, disulfiram, baclofen, N-acetylcysteine and bupropion) were selected that are known to diminish desire to use (anticraving effect) and that have been trialled for a number of different substance addictive disorders. Their therapeutic potential in clinical practice is discussed in light of their efficacy.
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Affiliation(s)
- Shih-Ku Lin
- Department of Psychiatry, Taipei City Hospital and Psychiatric Center, Taipei, Taiwan; Department of Psychiatry, School of Medicine, Taipei Medical University, Taipei, Taiwan
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Vandrey R, Babson KA, Herrmann ES, Bonn-Miller MO. Interactions between disordered sleep, post-traumatic stress disorder, and substance use disorders. Int Rev Psychiatry 2014; 26:237-47. [PMID: 24892898 PMCID: PMC4052373 DOI: 10.3109/09540261.2014.901300] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Disordered sleep is associated with a number of adverse health consequences and is an integral component of many psychiatric disorders. Rates of substance use disorders (SUDs) are markedly higher among individuals with post-traumatic stress disorder (PTSD), and this relationship may be partly mediated by disturbed sleep. Sleep disturbances (e.g. insomnia, daytime sleepiness, vivid nightmares) are hallmark features of PTSD and there is evidence that individuals with PTSD engage in substance use as a means of coping with these symptoms. However, prolonged substance use can lead to more severe sleep disturbances due to the development of tolerance and withdrawal. Behavioural or pharmacological treatment of disordered sleep is associated with improved daytime symptoms and psychosocial functioning among individuals who have developed PTSD. Initial research also suggests that improving sleep could be similarly beneficial in reducing coping oriented substance use and preventing relapse among those seeking treatment for SUDs. Together, these findings suggest that ameliorating sleep disturbance among at-risk individuals would be a viable target for the prevention and treatment of PTSD and associated SUDs, but prospective research is needed to examine this hypothesis. Enhanced understanding of the interrelation between sleep, PTSD, and SUDs may yield novel prevention and intervention approaches for these costly, prevalent and frequently co-occurring disorders.
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Affiliation(s)
- Ryan Vandrey
- Johns Hopkins University School of Medicine, University of Pennsylvania
| | - Kimberly A. Babson
- Center for Innovation to Implementation, VA Palo Alto Health Care System, University of Pennsylvania
- Department of Psychiatry and Behavioral Sciences, Stanford School of Medicine, University of Pennsylvania
| | - Evan S. Herrmann
- Johns Hopkins University School of Medicine, University of Pennsylvania
| | - Marcel O. Bonn-Miller
- Center for Innovation to Implementation, VA Palo Alto Health Care System, University of Pennsylvania
- Center of Excellence in Substance Abuse Treatment and Education, Philadelphia VAMC; Department of Psychiatry, University of Pennsylvania
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Babson KA, Bonn-Miller MO. Sleep Disturbances: Implications for Cannabis Use, Cannabis Use Cessation, and Cannabis Use Treatment. CURRENT ADDICTION REPORTS 2014. [DOI: 10.1007/s40429-014-0016-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Balter RE, Cooper ZD, Haney M. Novel Pharmacologic Approaches to Treating Cannabis Use Disorder. CURRENT ADDICTION REPORTS 2014; 1:137-143. [PMID: 24955304 DOI: 10.1007/s40429-014-0011-1] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
With large and increasing numbers of people using cannabis, the development of cannabis use disorder (CUD) is a growing public health concern. Despite the success of evidence-based psychosocial therapies, low rates of initial abstinence and high rates of relapse during and following treatment for CUD suggest a need for adjunct pharmacotherapies. Here we review the literature on medication development for the treatment of CUD, with a particular focus on studies published within the last three years (2010-2013). Studies in both the human laboratory and in the clinic have tested medications with a wide variety of mechanisms. In the laboratory, the following medication strategies have been shown to decrease cannabis withdrawal and self-administration following a period of abstinence (a model of relapse): the cannabinoid receptor agonist, nabilone, and the adrenergic agonist, lofexidine, alone and in combination with dronabinol (synthetic THC), supporting clinical testing of these medication strategies. Antidepressant, anxiolytic and antipsychotic drugs targeting monoamines (norepinephrine, dopamine, and serotonin) have generally failed to decrease withdrawal symptoms or laboratory measures of relapse. In terms of clinical trials, dronabinol and multiple antidepressants (fluoxetine, venlafaxine and buspirone) have failed to decrease cannabis use. Preliminary results from controlled clinical trials with gabapentin and N-acetylcysteine (NAC) support further research on these medication strategies. Data from open label and laboratory studies suggest lithium and oxytocin also warrant further testing. Overall, it is likely that different medications will be needed to target distinct aspects of problematic cannabis use: craving, ongoing use, withdrawal and relapse. Continued research is needed in preclinical, laboratory and clinical settings.
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Affiliation(s)
- Rebecca E Balter
- Division on Substance Abuse Department of Psychiatry Columbia University Medical Center 1051 Riverside Drive, Unit 120, New York, NY 10032, U.S.A
| | - Ziva D Cooper
- Division on Substance Abuse Department of Psychiatry Columbia University Medical Center 1051 Riverside Drive, Unit 120, New York, NY 10032, U.S.A
| | - Margaret Haney
- Division on Substance Abuse Department of Psychiatry Columbia University Medical Center 1051 Riverside Drive, Unit 120, New York, NY 10032, U.S.A
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Imbert B, Labrune N, Lancon C, Simon N. Baclofen in the management of cannabis dependence syndrome. Ther Adv Psychopharmacol 2014; 4:50-2. [PMID: 24490032 PMCID: PMC3896138 DOI: 10.1177/2045125313512324] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Cannabis is the most commonly used illicit drug in the world. However, only few studies have shown the efficacy of pharmacologic agents in targeting cannabis withdrawal symptoms or reducing the reinforcing effects of cannabis. Baclofen has been shown to reduce cannabis withdrawal symptoms and the subjective effects of cannabis. We think that the clinical utility of baclofen for cannabis dependence is a reasonable approach. A case report using baclofen is presented and provides preliminary support for the use of baclofen in the management of cannabis dependence.
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Affiliation(s)
- Bruce Imbert
- APHM, Sainte-Marguerite University Hospital, 270, bd sainte marguerite, Marseille 13274, France
| | | | | | - Nicolas Simon
- APHM, Sainte-Marguerite University Hospital, Marseille, France
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Diaper AM, Law FD, Melichar JK. Pharmacological strategies for detoxification. Br J Clin Pharmacol 2014; 77:302-14. [PMID: 24118014 PMCID: PMC4014033 DOI: 10.1111/bcp.12245] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Accepted: 09/24/2013] [Indexed: 02/06/2023] Open
Abstract
Detoxification refers to the safe discontinuation from a substance of dependence and is distinct from relapse prevention. Detoxification usually takes between a few days and a few weeks to complete, depending on the substance being misused, the severity of dependence and the support available to the user. Psychosocial therapies alongside pharmacological treatments are essential to improve outcome. The dependencies considered in this overview are detoxification from opioids (with methadone, buprenorphine, α2-adrenoceptor agonists and adjunct medications), alcohol (with benzodiazepines, anti-glutamatergics and γ-aminobutyric acid (GABA)-ergic drugs), stimulants and cannabis (with no clear recommended pharmacological treatments), benzodiazepines (with dose tapering) and nicotine (with nicotine replacement therapy, antidepressants and partial agonists). Evidence is limited by a lack of controlled trials robust enough for review bodies, and more research is required into optimal treatment doses and regimes, alone and in combination.
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Abstract
BACKGROUND Marijuana is the most commonly used illicit substance in the United States and worldwide. Marijuana use is a problem of increasing magnitude among adolescents. Use typically begins in adolescence and is associated with a variety of adverse outcomes. METHOD This article will present an overview of trends in marijuana use, and will review the endocannabinoid system and marijuana. It will discuss recent policy developments in US and their implications, especially for adolescents. Existing treatments will be reviewed, including findings from a recent randomized double-blind trial of N-acetylcysteine, a compound that reverses the dysregulation of the glutamate system that occurs in substance dependence. CONCLUSIONS The core treatment approaches include psychosocial interventions, sometimes in combination with each other. While a reduction in days of use is often achieved with most of these approaches, abstinence is a much more elusive goal. The evidence base for effective treatments remains inadequate especially with regard to adolescents, and there is an urgent need for more research in this area. Promising new treatments include N-acetylcysteine in conjunction with contingency management.
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Abstract
BACKGROUND Cannabis is the most prevalent illicit drug in the world. Demand for treatment of cannabis use disorders is increasing. There are currently no pharmacotherapies approved for treatment of cannabis use disorders. OBJECTIVES To assess the effectiveness and safety of pharmacotherapies as compared with each other, placebo or supportive care for reducing symptoms of cannabis withdrawal and promoting cessation or reduction of cannabis use. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (to 4 March 2014), MEDLINE (to week 3 February 2014), EMBASE (to 3 March 2014) and PsycINFO (to week 4 February 2014). We also searched reference lists of articles, electronic sources of ongoing trials and conference proceedings, and contacted selected researchers active in the area. SELECTION CRITERIA Randomised and quasi-randomised controlled trials involving the use of medications to reduce the symptoms and signs of cannabis withdrawal or to promote cessation or reduction of cannabis use, or both, in comparison with other medications, placebo or no medication (supportive care) in participants diagnosed as cannabis dependent or who were likely to be dependent. DATA COLLECTION AND ANALYSIS We used standard methodological procedures expected by The Cochrane Collaboration. Two review authors assessed studies for inclusion and extracted data. All review authors confirmed the inclusion decisions and the overall process. MAIN RESULTS We included 14 randomised controlled trials involving 958 participants. For 10 studies the average age was 33 years; two studies targeted young people; and age data were not available for two studies. Approximately 80% of study participants were male. The studies were at low risk of selection, performance, detection and selective outcome reporting bias. Three studies were at risk of attrition bias.All studies involved comparison of active medication and placebo. The medications included preparations containing tetrahydrocannabinol (THC) (two studies), selective serotonin reuptake inhibitor (SSRI) antidepressants (two studies), mixed action antidepressants (three studies), anticonvulsants and mood stabilisers (three studies), an atypical antidepressant (two studies), an anxiolytic (one study), a norepinephrine reuptake inhibitor (one study) and a glutamatergic modulator (one study). One study examined more than one medication. Diversity in the medications and the outcomes reported limited the extent that analysis was possible. Insufficient data were available to assess the utility of most of the medications to promote cannabis abstinence at the end of treatment.There was moderate quality evidence that completion of treatment was more likely with preparations containing THC compared to placebo (RR 1.29, 95% CI 1.08 to 1.55; 2 studies, 207 participants, P = 0.006). There was some evidence that treatment with preparations containing THC was associated with reduced cannabis withdrawal symptoms and craving, but this latter outcome could not be quantified. For mixed action antidepressants compared with placebo (2 studies, 179 participants) there was very low quality evidence on the likelihood of abstinence from cannabis at the end of follow-up (RR 0.82, 95% CI 0.12 to 5.41), and moderate quality evidence on the likelihood of treatment completion (RR 0.93, 95% CI 0.71 to 1.21). For this same outcome there was very low quality evidence for the effects of SSRI antidepressants (RR 0.82, 95% CI 0.44 to 1.53; 2 studies, 122 participants), anticonvulsants and mood stabilisers (RR 0.78, 95% CI 0.42 to 1.46; 2 studies, 75 participants), and the atypical antidepressant, bupropion (RR 1.06, 95% CI 0.67 to 1.67; 2 studies, 92 participants). Available evidence on gabapentin (anticonvulsant) and N-acetylcysteine (glutamatergic modulator) was insufficient for quantitative estimates of their effectiveness, but these medications may be worth further investigation. AUTHORS' CONCLUSIONS There is incomplete evidence for all of the pharmacotherapies investigated, and for many of the outcomes the quality was downgraded due to small sample sizes, inconsistency and risk of attrition bias. The quantitative analyses that were possible, combined with general findings of the studies reviewed, indicate that SSRI antidepressants, mixed action antidepressants, atypical antidepressants (bupropion), anxiolytics (buspirone) and norepinephrine reuptake inhibitors (atomoxetine) are probably of little value in the treatment of cannabis dependence. Preparations containing THC are of potential value but, given the limited evidence, this application of THC preparations should be considered still experimental. Further studies should compare different preparations of THC, dose and duration of treatment, adjunct medications and therapies. The evidence base for the anticonvulsant gabapentin and the glutamatergic modulator N-acetylcysteine is weak, but these medications are also worth further investigation.
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Affiliation(s)
- Kushani Marshall
- Discipline of Pharmacology, University of Adelaide, Adelaide, Australia
| | - Linda Gowing
- Discipline of Pharmacology, University of Adelaide, Adelaide, Australia
| | - Robert Ali
- Discipline of Pharmacology, University of Adelaide, Adelaide, Australia
| | - Bernard Le Foll
- Translational Addiction Research Laboratory, Centre for Addiction and Mental Health ; University of Toronto, Toronto, Canada
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Fox H, Sinha R. The role of guanfacine as a therapeutic agent to address stress-related pathophysiology in cocaine-dependent individuals. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2014; 69:217-65. [PMID: 24484979 DOI: 10.1016/b978-0-12-420118-7.00006-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The pathophysiology of cocaine addiction is linked to changes within neural systems and brain regions that are critical mediators of stress system sensitivity and behavioral processes associated with the regulation of adaptive goal-directed behavior. This is characterized by the upregulation of core adrenergic and corticotropin-releasing factor mechanisms that subserve negative affect and anxiety and impinge upon intracellular pathways in the prefrontal cortex underlying cognitive regulation of stress and negative emotional state. Not only are these mechanisms essential to the severity of cocaine withdrawal symptoms, and hence the trajectory of clinical outcome, but also they may be particularly pertinent to the demography of cocaine dependence. The ability of guanfacine to target overlapping stress, reward, and anxiety pathophysiology suggests that it may be a useful agent for attenuating the stress- and cue-induced craving state not only in women but also in men. This is supported by recent research findings from our own laboratory. Additionally, the ability of guanfacine to improve regulatory mechanisms that are key to exerting cognitive and emotional control over drug-seeking behavior also suggests that guanfacine may be an effective medication for reducing craving and relapse vulnerability in many drugs of abuse. As cocaine-dependent individuals are typically polydrug abusers and women may be at a greater disadvantage for compulsive drug use than men, it is plausible that medications that target catecholaminergic frontostriatal inhibitory circuits and simultaneously reduce stress system arousal may provide added benefits for attenuating cocaine dependence.
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Affiliation(s)
- Helen Fox
- Yale Stress Center, Yale University School of Medicine, New Haven Connecticut USA.
| | - Rajita Sinha
- Yale Stress Center, Yale University School of Medicine, New Haven Connecticut USA
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Cooper ZD, Foltin RW, Hart CL, Vosburg SK, Comer SD, Haney M. A human laboratory study investigating the effects of quetiapine on marijuana withdrawal and relapse in daily marijuana smokers. Addict Biol 2013; 18:993-1002. [PMID: 22741619 DOI: 10.1111/j.1369-1600.2012.00461.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Marijuana withdrawal contributes to the high relapse rates in individuals seeking treatment for marijuana-use disorders. Quetiapine, an atypical antipsychotic, reduces characteristic symptoms of marijuana withdrawal in a variety of psychiatric conditions, including mood lability, sleep disruption and anorexia. This human laboratory study investigated the effectiveness of quetiapine to decrease marijuana withdrawal and relapse to marijuana use in non-treatment-seeking marijuana smokers. Volunteers were maintained on placebo or quetiapine (200 mg/day) in this double-blind, counter-balanced, within-subject study consisting of two 15-day medication phases, the last 8 days of which were in-patient. On the first in-patient day, active marijuana [6.2% delta (9)-tetrahydrocannabinol (THC)] was repeatedly smoked under controlled conditions. For the next 3 days, inactive marijuana (0.0% THC) was available for self-administration (withdrawal). On the subsequent 4 days, active marijuana (6.2% THC) was available for self-administration (relapse). Volunteers (n = 14) who smoked an average of 10 marijuana cigarettes/day, 7 days/week, completed the study. Under placebo, withdrawal was marked by increased subjective ratings of negative mood, decreased sleep quality, and decreased caloric intake and weight loss. Compared with placebo, quetiapine improved sleep quality, increased caloric intake and decreased weight loss. However, quetiapine increased marijuana craving and marijuana self-administration during the relapse phase. These data do not suggest that quetiapine shows promise as a potential treatment for marijuana dependence.
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Affiliation(s)
- Ziva D Cooper
- Division on Substance Abuse, New York State Psychiatric Institute and Department of Psychiatry, College of Physicians and Surgeons of Columbia University, New York, NY, USA
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Flórez-Salamanca L, Secades-Villa R, Budney AJ, García-Rodríguez O, Wang S, Blanco C. Probability and predictors of cannabis use disorders relapse: results of the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC). Drug Alcohol Depend 2013; 132:127-33. [PMID: 23415849 PMCID: PMC4338368 DOI: 10.1016/j.drugalcdep.2013.01.013] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2012] [Revised: 01/16/2013] [Accepted: 01/20/2013] [Indexed: 10/27/2022]
Abstract
BACKGROUND This study aims to estimate the odds and predictors of Cannabis Use Disorders (CUD) relapse among individuals in remission. METHODS Analyses were done on the subsample of individuals with lifetime history of a CUD (abuse or dependence) who were in full remission at baseline (Wave 1) of the National Epidemiological Survey of Alcohol and Related Conditions (NESARC) (n=2350). Univariate logistic regression models and hierarchical logistic regression model were implemented to estimate odds of relapse and identify predictors of relapse at 3 years follow up (Wave 2). RESULTS The relapse rate of CUD was 6.63% over an average of 3.6 year follow-up period. In the multivariable model, the odds of relapse were inversely related to time in remission, whereas having a history of conduct disorder or a major depressive disorder after Wave 1 increased the risk of relapse. CONCLUSIONS Our findings suggest that maintenance of remission is the most common outcome for individuals in remission from a CUD. Treatment approaches may improve rates of sustained remission of individuals with CUD and conduct disorder or major depressive disorder.
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Affiliation(s)
- Ludwing Flórez-Salamanca
- Department of Psychiatry, New York State Psychiatric Institute and College of Physicians and Surgeons, Columbia University, New York, NY 10032, United States.
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Haney M, Cooper ZD, Bedi G, Vosburg SK, Comer SD, Foltin RW. Nabilone decreases marijuana withdrawal and a laboratory measure of marijuana relapse. Neuropsychopharmacology 2013; 38:1557-65. [PMID: 23443718 PMCID: PMC3682150 DOI: 10.1038/npp.2013.54] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Revised: 02/14/2013] [Accepted: 02/14/2013] [Indexed: 11/09/2022]
Abstract
Few individuals seeking treatment for marijuana use achieve sustained abstinence. The cannabinoid receptor agonist, Δ(9)-tetrahydrocannabinol (THC; dronabinol), decreases marijuana withdrawal symptoms, yet does not decrease marijuana use in the laboratory or clinic. Dronabinol has poor bioavailability, which may contribute to its poor efficacy. The FDA-approved synthetic analog of THC, nabilone, has higher bioavailability and clearer dose-linearity than dronabinol. This study tested whether nabilone administration would decrease marijuana withdrawal symptoms and a laboratory measure of marijuana relapse relative to placebo. Daily, nontreatment-seeking marijuana smokers (8 men and 3 women), who reported smoking 8.3±3.1 marijuana cigarettes/day completed this within-subject study comprising three, 8-day inpatient phases; each phase tested a different nabilone dose (0, 6, 8 mg/day, administered in counter-balanced order on days 2-8). On the first inpatient day, participants took placebo capsules and smoked active marijuana (5.6% THC) at six timepoints. For the next 3 days, they had the opportunity to self-administer placebo marijuana (0.0% THC; withdrawal), followed by 4 days in which active marijuana was available for self-administration (5.6% THC; relapse). Both nabilone dose conditions decreased marijuana relapse and reversed withdrawal-related irritability and disruptions in sleep and food intake (p<0.05). Nabilone (8 mg/day) modestly worsened psychomotor task performance. Neither dose condition increased ratings of capsule 'liking' or desire to take the capsules relative to placebo. Thus, nabilone maintenance produced a robust attenuation of marijuana withdrawal symptoms and a laboratory measure of relapse even with once per day dosing. These data support testing of nabilone for patients seeking marijuana treatment.
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Affiliation(s)
- Margaret Haney
- Division on Substance Abuse, New York State Psychiatric Institute, College of Physicians and Surgeons of Columbia University, New York, NY 10032, USA.
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Predictors of marijuana relapse in the human laboratory: robust impact of tobacco cigarette smoking status. Biol Psychiatry 2013; 73:242-8. [PMID: 22939992 PMCID: PMC3522776 DOI: 10.1016/j.biopsych.2012.07.028] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 07/13/2012] [Accepted: 07/27/2012] [Indexed: 11/23/2022]
Abstract
BACKGROUND Few marijuana smokers in treatment achieve sustained abstinence, yet factors contributing to high relapse rates are unknown. METHODS Study 1: data from five inpatient laboratory studies assessing marijuana intoxication, withdrawal, and relapse were combined to assess factors predicting the likelihood and severity of relapse. Daily, nontreatment-seeking marijuana smokers (n = 51; 10 ± 5 marijuana cigarettes/day) were enrolled. Study 2: to isolate the effects of cigarette smoking, marijuana intoxication, withdrawal, and relapse were assessed in daily marijuana and cigarette smokers (n = 15) under two within-subject, counter-balanced conditions: while smoking tobacco cigarettes as usual (SAU), and after at least 5 days without cigarettes (Quit). RESULTS Study 1: 49% of participants relapsed the first day active marijuana became available. Tobacco cigarette smokers (75%), who were not abstaining from cigarettes, were far more likely to relapse than non-cigarette smokers (odds ratio: 19, p < .01). Individuals experiencing more positive subjective effects (i.e., feeling "high") after marijuana administration and those with more negative affect and sleep disruption during marijuana withdrawal were more likely to have severe relapse episodes (p < .05). Study 2: most participants (>87%) relapsed to marijuana whether in the SAU or Quit phase. Tobacco cigarette smoking did not significantly influence relapse, nor did it affect marijuana intoxication or most symptoms of withdrawal relative to tobacco cessation. CONCLUSIONS Daily marijuana smokers who also smoke cigarettes have high rates of marijuana relapse, and cigarette smoking versus recent abstinence does not directly influence this association. These data indicate that current cigarette smoking is a clinically important marker for increased risk of marijuana relapse.
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Goldman M, Szucs-Reed RP, Jagannathan K, Ehrman RN, Wang Z, Li Y, Suh JJ, Kampman K, O'Brien CP, Childress AR, Franklin TR. Reward-related brain response and craving correlates of marijuana cue exposure: a preliminary study in treatment-seeking marijuana-dependent subjects. J Addict Med 2013; 7:8-16. [PMID: 23188041 PMCID: PMC3567235 DOI: 10.1097/adm.0b013e318273863a] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE : Determining the brain substrates underlying the motivation to abuse addictive drugs is critical for understanding and treating addictive disorders. Laboratory neuroimaging studies have demonstrated differential activation of limbic and motivational circuitry (eg, amygdala, hippocampus, ventral striatum, insula, and orbitofrontal cortex) triggered by cocaine, heroin, nicotine, and alcohol cues. The literature on neural responses to marijuana cues is sparse. Thus, the goals of this study were to characterize the brain's response to marijuana cues, a major motivator underlying drug use and relapse, and determine whether these responses are linked to self-reported craving in a clinically relevant population of treatment-seeking marijuana-dependent subjects. METHODS : Marijuana craving was assessed in 12 marijuana-dependent subjects using the Marijuana Craving Questionnaire-Short Form. Subsequently, blood oxygen level dependent functional magnetic resonance imaging data were acquired during exposure to alternating 20-second blocks of marijuana-related versus matched nondrug visual cues. RESULTS : Brain activation during marijuana cue exposure was significantly greater in the bilateral amygdala and the hippocampus. Significant positive correlations between craving scores and brain activation were found in the ventral striatum and the medial and lateral orbitofrontal cortex (P < 0.0001). CONCLUSIONS : This study presents direct evidence for a link between reward-relevant brain responses to marijuana cues and craving and extends the current literature on marijuana cue reactivity. Furthermore, the correlative relationship between craving and brain activity in reward-related regions was observed in a clinically relevant sample (treatment-seeking marijuana-dependent subjects). Results are consistent with prior findings in cocaine, heroin, nicotine, and alcohol cue studies, indicating that the brain substrates of cue-triggered drug motivation are shared across abused substances.
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Affiliation(s)
- Marina Goldman
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.
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Agabio R, Preti A, Gessa GL. Efficacy and tolerability of baclofen in substance use disorders: a systematic review. Eur Addict Res 2013; 19:325-45. [PMID: 23775042 DOI: 10.1159/000347055] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND It has been reported that baclofen, a drug used in the treatment of spasticity, reduces the severity of withdrawal symptoms and substance use disorders (SUDs) for some psychoactive drugs. AIMS AND METHODS To evaluate the effectiveness and safety of baclofen in the treatment of withdrawal syndrome and/or SUDs, providing (1) an outline of its pharmacological features; (2) a summary of studies that have suggested its possible effectiveness in the treatment of SUDs, and (3) a review of randomized, controlled trials (RCTs) on baclofen and SUDs. RESULTS Baclofen tolerability is generally considered to be good. Eleven RCTs investigated its effectiveness in the treatment of SUDs. Of these, 5 RCTs found that baclofen is effective, 5 RCTs found that it is ineffective and the results of 1 RCT were not appreciable because it did not achieve the preplanned level of participation. CONCLUSIONS The number of RCTs on baclofen and SUDs is still low, and their results are divergent. Further RCTs should be undertaken, particularly with higher doses of baclofen. Its administration may be suggested in patients who fail to respond to other approved drugs or who are affected by liver disease that prevents their administration, or in patients affected by SUDs for which no approved drugs are available. Treatment should be conducted under strict medical supervision.
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Affiliation(s)
- Roberta Agabio
- Department of Biomedical Sciences, Section of Neuroscience, Clinical Pharmacology, University of Cagliari, Cagliari, Italy
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