Clin2
NCT05722561Possibly a fitRecruiting

E-cigarettes to reduce smoking in opioid use disorder

Opioid Use DisorderCigarette Smoking

Part of Mental health clinical trials.

This Phase 2 study tests whether e-cigarettes can help people who use opioids (and also smoke cigarettes) cut down on combustible cigarette smoking. It looks at whether switching to e-cigarettes for “harm reduction” is safe and helps you smoke fewer cigarettes without requiring you to quit completely.

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

Phase
Phase 2
Enrollment
302 people
Ages
21 years to 75 years
Study type
Interventional

Who can take part

  • You are 21 years or older
  • You currently smoke at least 5 cigarettes per day
  • You have opioid use disorder and are in treatment with buprenorphine or methadone for at least 12 weeks
  • Your methadone or buprenorphine dose has been stable for at least 2 weeks
  • You want to reduce cigarette smoking, but you don’t have to be trying to quit completely
  • You can speak English or Spanish and have a mobile phone for study follow-ups

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.

NCT05815199Recruiting
E-cigarettes to help smokers with serious mental illness cut down

This study tests whether e-cigarettes can help people who smoke a lot reduce cigarette use (without requiring them to quit completely). It is designed for adults with serious mental illness and focuses on harm reduction and follow-up over time.

New York, New York
NCT06372899Recruiting
Switching to E-cigarettes or Nicotine Pouches for Smokers

This study tests whether switching to e-cigarettes or nicotine pouches can help smokers who have tried many times to quit. If you are a heavy smoker (at least 5 cigarettes a day) and have failed to quit before, this trial may offer a new way to reduce harm from smoking.

Philadelphia, Pennsylvania
NCT07199517Recruiting
Helping smokers who aren't ready to quit

This study tests whether switching to a less harmful nicotine product (like a nicotine pouch or e-cigarette) can help people who are not ready to quit smoking reduce their health risks. You would be given a sample of a harm reduction product to try, and researchers will check how it affects your smoking habits.

Philadelphia, Pennsylvania
NCT07202039Recruiting
E-Cigarettes for Smokers on Buprenorphine

This study tests whether switching to electronic cigarettes can help reduce harm for people with opioid use disorder who are on buprenorphine and smoke daily. The goal is to see if e-cigarettes are a safer option than continuing to smoke regular cigarettes.

Greenville, South Carolina
NCT06922617Recruiting
E-cigarettes vs. Nicotine Replacement for Smoking in Substance Use Treatment

This study compares e-cigarettes to nicotine replacement therapy (like patches or gum) to help people who are in treatment for substance use disorder (like drugs or alcohol) quit or reduce smoking. It aims to find a safer way to cut back on cigarettes.

Charleston, South Carolina
NCT07039292Enrolling by invitation
Can e-cigarettes help reduce smoking?

This study tests whether e-cigarettes can help people who smoke but have not wanted to use other treatments. If you currently smoke and have declined traditional options like nicotine patches or quitlines, you may be able to join.

Charleston, South Carolina

Hear when a new Opioid Use Disorder trial opens

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