ArticleAddiction (Abingdon, England)2017
Cannabis use during treatment for alcohol use disorders predicts alcohol treatment outcomes.
Article in Addiction (Abingdon, England), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
49 citing papers in PubMed.
- Acute Effects of Cannabis on Alcohol Craving and Consumption: A Randomized Controlled Crossover Trial.The American journal of psychiatry · 2026Trial
- Reductions in cigarette and cannabis use during a randomized clinical trial for alcohol use disorder.Alcohol and alcoholism (Oxford, Oxfordshire) · 2026Trial
- Effects of cannabis use on alcohol consumption in a sample of treatment-engaged heavy drinkers in Colorado.Addiction (Abingdon, England) · 2021Trial
- Cannabis use during alcohol treatment is associated with alcohol-related problems one-year post-treatment.Drug and alcohol dependence · 2018Trial
- Differences in alcohol cognitions, consumption, and consequences among first-time DUI offenders who co-use alcohol and marijuana.Drug and alcohol dependence · 2018Trial
- Momentary cannabis effects on alcohol use among adults trying to quit or cut back on drinking.Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors · 2026Article
- Lessons learned: challenges in recruiting and engaging people with heavy cannabis use for online interventions in Canada.Journal of cannabis research · 2026Article
- The Cannabinoid System as a Potential Novel Target for Alcohol-Associated Liver Disease: A Propensity-Matched Cohort Study.Liver international : official journal of the International Association for the Study of the Liver · 2025Article
- Cannabis administration is associated with reduced alcohol consumption: Evidence from a novel laboratory co-administration paradigm.Drug and alcohol dependence · 2025Article
- Cannabis retail store density and county-level mortality from injury in the state of Washington from 2009-2020.The American journal of drug and alcohol abuse · 2025Article
- ADHD and Cannabis Use in College Students: Examining Indirect Effects of Coping Motives.Substance use & misuse · 2025Article
- Alcohol use and cannabis craving in daily life: Sex differences and associations among young adults.Alcohol, clinical & experimental research · 2024Article
- Trends in use of tobacco and cannabis across different alcohol consumption levels in the United States, 2010-19.Alcohol and alcoholism (Oxford, Oxfordshire) · 2024Article
- Cannabis use and alcohol and drug outcomes in a longitudinal sample of sober living house residents in California.Journal of substance use and addiction treatment · 2024Article
- Cannabis donation as a harm reduction strategy: a case study.Harm reduction journal · 2024Article
- Simultaneous Cannabis and Alcohol Use among Medical Cannabis Patients.Substance use & misuse · 2024Article
- Changes in Cannabis Use Patterns in Psychiatric Populations Pre- and Post-Legalization of Recreational Cannabis Use in Canada: A Repeated Cross-Sectional Survey.Cannabis (Albuquerque, N.M.) · 2024Article
- Alcohol and cannabis dual use among Black adults: Associations with alcohol use, use-related problems, and race-based discrimination.The American journal on addictions · 2024Article
- The role of sex in daily levels of high-risk alcohol and cannabis co-use.Drug and alcohol dependence reports · 2023Article
- Risky drinking and other drug use in adults with chronic conditions in the United States: differential associations by race/ethnicity.Alcohol and alcoholism (Oxford, Oxfordshire) · 2023Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
aimsTo compare post-treatment alcohol use between those who use cannabis and those who abstain during treatment for alcohol use disorders (AUD); and to examine potential cannabis use thresholds by comparing post-treatment alcohol use between four frequency groups of cannabis users relative to abstainers.
designSecondary analyses of the Combined Pharmacotherapies and Behavioral Interventions (COMBINE) Study, a randomized control trial of AUD treatments. The current study compares longitudinal drinking data between those who used cannabis versus those who abstained during COMBINE treatment.
settingThe COMBINE Study treatments were delivered on an out-patient basis for 16 weeks. The current analyses include 206 cannabis users and 999 cannabis abstainers.
participantsAll participants met diagnosis of primary alcohol dependence (n = 1383). MEASUREMENTS: Primary exposures were any cannabis use and quartiles of cannabis use (Q1: 1-4 use days during treatment, Q2: 5-9 days, Q3: 10-44 days, Q4: 45-112 days). Outcomes were percentage of days abstinent from alcohol (PDA), drinks per drinking day (DPDD) and percentage of heavy drinking days (PHD), all measured at treatment end and 1 year post-treatment.
findingsCompared with no cannabis use, any cannabis use during treatment was associated with 4.35% [95% confidence interval (CI) = -8.68, -0.02], or approximately 4 fewer alcohol abstinent days at the end of treatment. This association weakened by 1 year post-treatment (95% CI = -9.78, 0.54). Compared with no cannabis use, only those in the second quartile of cannabis use (those who used once or twice per month during treatment) had 8.81% (95% CI = -17.00, -0.63), or approximately 10 fewer days alcohol abstinent at end of treatment, and 11.82% (95% CI = -21.56, -2.07), or approximately 13 fewer alcohol abstinent days 1 year post-treatment. Neither any cannabis use nor quartiles were associated with DPDD or PHD at either time-point.
conclusionsAmong individuals in alcohol treatment, any cannabis use (compared with none) is related to a significantly lower percentage of days abstinent from alcohol post-treatment, although only among those who used cannabis once or twice per month.
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Registered trials
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