Clin2
NCT05389930Possibly a fitRecruiting

Study how cannabis affects alcohol drinking

Alcohol DrinkingCannabis UseCannabisAlcohol Use Disorder

Treatments studied

Part of Mental health clinical trials.

This Phase 2 study looks at whether using cannabis changes how much alcohol you drink. You may be able to take part if you’ve been drinking heavily and using cannabis recently and can meet health and screening requirements.

Summary written for real people, not researchers, by Clin2.

Phase
Phase 2
Enrollment
350 people
Ages
21 years to 50 years
Study type
Interventional

Who can take part

  • You are 21 to 50 years old
  • You can speak and understand English
  • You have smoked cannabis at least once in the past 2 months
  • You have been heavy drinking in the past 2 months
  • You must weigh under 250 pounds and be in good physical health
  • Your breath alcohol test must be zero at each study visit

View the official record on ClinicalTrials.gov

Quick eligibility check

Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.

Similar studies

Other trials that look related to this one.

NCT05929677Recruiting· Early Phase 1
Study tests effects on impulsivity and how alcohol feels

This early-phase study looks at how alcohol affects impulsivity (tendency to act quickly) and people’s subjective experiences. You may be able to join if you drink regularly and meet the study safety rules.

Boston, Massachusetts
NCT02781519Recruiting· Phase 1
Study how THC affects men and women who have used cannabis before

This Phase 1 study tests how delta-9 THC (the main active ingredient in cannabis) affects healthy adults, and whether the effects differ by gender. It may help researchers understand risks and responses to THC, which could guide safer use and future treatments.

West Haven, Connecticut
NCT02811510Recruiting· Phase 1
Study of THC effects on people with past cannabis use

This Phase 1 study tests how THC (the main active ingredient in cannabis) affects healthy adults, and whether effects differ by gender. It’s designed to learn about short-term body and brain responses to THC.

West Haven, Connecticut
NCT04704271Recruiting· Phase 1
Study on THC effects in people with past cannabis use

This Phase 1 study looks at how THC (the main mind-altering ingredient in cannabis) affects healthy volunteers shortly after use. It focuses on differences between people and includes those who have used cannabis before.

West Haven, Connecticut
NCT05855668Recruiting
Study how brain and behavior differ in alcohol and cannabis use

This study looks at how people’s thoughts, brain-related measures, and behaviors differ between alcohol use disorder and cannabis use disorder. You may be asked to join group psychotherapy and complete assessments, which could help improve how care is planned for people like you.

Toronto, Ontario
NCT07279558Recruiting· Phase 2
CBD and Alcohol Use Study

This study tests whether cannabidiol (CBD), a compound from cannabis, can help people who drink alcohol regularly reduce their drinking or change their drinking patterns. You may be eligible if you're 21-65, have used CBD or cannabis before, drink alcohol regularly, and don't take certain medications that could interfere.

Aurora, Colorado

Hear when a new Alcohol Drinking trial opens

We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.