Clinical trials
Tobacco Use Cessation clinical trials
Below are recruiting tobacco use cessation clinical trials, each written for real people, not researchers. We’re tracking 105 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06310187Recruiting
Little cigar study for daily cigarette smokers
This study looks at how certain chemicals from little cigars affect the body. It may help researchers understand health risks. You must be a daily cigarette smoker who has never smoked little cigars.
Hershey, PennsylvaniaAges 21–65 - NCT03713424RecruitingPhase 2
Brain scan study of an antibiotic for drug addiction
This study uses an MRI brain scan to see how taking clavulanic acid affects brain activity related to drug addiction. It may help researchers understand whether this medicine could change how addiction-related cues affect the brain.
Columbia, MissouriAges 18–65 - NCT03912194RecruitingPhase 3
Training to help you quit smoking sooner and feel better
This Phase 3 study tests a quit-training program that teaches how to handle urges and negative feelings when you start cutting back or stopping smoking. You may benefit by improving your chances of quitting and reducing stress during withdrawal.
Birmingham, AlabamaAges 18 years+ - NCT04595422Recruiting
Train quitline staff to reach smokers about lung screening
This trial tests an educational approach delivered through tobacco quitlines to encourage eligible smokers to learn about lung cancer screening. It may help people who have a heavy smoking history get the right information and next steps.
Houston, TexasAges 18 years+ - NCT05587361RecruitingPhase 4
Nicotine cue study using propranolol to study craving
This study tests whether a beta-blocking medicine (propranolol) and nicotine patches change how strongly your brain responds to smoking cues. It may help researchers understand what drives cigarette cravings and how to reduce them.
Tulsa, OklahomaAges 21–60 - NCT05642715Recruiting
HIV smoking reduction program with varenicline and online support
This study tests a harm-reduction approach to help people with HIV smoke fewer cigarettes and quit if they want, using an online tobacco program and varenicline (a quit-smoking medicine). You may be placed in one of two different study groups to compare how well the approaches work.
The Bronx, New YorkAges 40–79 - NCT05814055RecruitingPhase 2
Kava to help quit smoking by easing stress and sleep issues
This Phase 2 study tests whether kava can help people quit smoking, especially by reducing stress and improving sleep during tobacco abstinence. You may be offered kava as part of a quitting support plan and monitored for safety and progress.
Gainesville, FloridaAges 21–75 - NCT06534047RecruitingPhase 4
Brain stimulation or nicotine patch to help you quit smoking
This study tests whether a brain stimulation treatment called rTMS can help people with psychiatric conditions quit smoking. You will be randomly assigned to get either rTMS or a nicotine patch, and your progress will be tracked to see which treatment works better.
Toronto, OntarioAges 18–70 - NCT06747871Recruiting
Opioids, low nicotine cigarettes, and chronic pain study
This study tests if using cigarettes with very low nicotine can help people with chronic pain who are on buprenorphine for opioid use disorder. It aims to see if this approach reduces smoking and helps you think about quitting.
Durham, North CarolinaAges 21 years+ - NCT06832085RecruitingPhase 4
Comparing stop-smoking medications for adult smokers in Ontario
This study compares three different stop-smoking treatments—nicotine patches, cytisine, or varenicline—to see which works best. If you want to quit or cut down in the next six months, this could help you find the right medication.
Ottawa, OntarioAges 18 years+ - NCT07108166Recruiting
COPD and Chronic Bronchitis: Switching from Cigarettes to Heat-Not-Burn Device
This study tests whether switching from regular cigarettes to a heated tobacco device (a product that heats rather than burns tobacco) can improve symptoms and lung function in people with moderate COPD and chronic bronchitis. Participants will be randomly assigned to either switch to the heated device or continue smoking cigarettes.
Clearwater, FloridaAges 40 years+ - NCT07466875Recruiting
Ear stimulation for nicotine withdrawal in psychiatric patients
This trial tests whether gentle electrical stimulation on the ear can help relieve nicotine withdrawal symptoms for smokers who are in a psychiatric hospital and must stop smoking. It is added on top of standard nicotine replacement therapy.
Nantou CityAges 18–65 - NCT05733767RecruitingPhase 2
Nurse-led help to quit smoking after heart or lung illness
This Phase 2 study tests a nurse practitioner–led program and medicine plan to help you stop smoking after certain heart or lung conditions. It may help you quit and stay smoke-free, while using lab testing (like breath measurements) to confirm progress.
Springfield, MassachusettsAges 18 years+ - NCT07301151Recruiting
Quit smoking study for Black adults in Minnesota
This study tests a smartphone app to help Black adults in Minnesota who smoke quit smoking. You'll use the app to track your progress and get reminders.
Minneapolis, MinnesotaAges 21 years+ - NCT07419425RecruitingPhase 4
Help for Black adults to quit smoking
This study tests a program to help Black adults who smoke quit. It offers support and medication to help you stop smoking.
Phoenix, ArizonaAges 21 years+ - NCT05906082Recruiting
Vape-free texting program for young adults in rural North Dakota
This pilot study tests whether vape-free coaching by text message can help people quit e-cigarettes. You may be eligible if you are a young adult who vapes daily and plans to quit within a month.
Milwaukee, WisconsinAges 18–24 - NCT06196489Recruiting
Quit vaping: program for young veterans
This trial tests a program to help young veterans quit vaping. You'll get support through your phone or computer to help you stop using nicotine.
San Diego, CaliforniaAges 18–30 - NCT07202351Recruiting
Sleep support for quitting smoking or cannabis
This trial tests whether adding sleep-focused help to standard quit-smoking or quit-cannabis therapy improves your chances of success. It is for people who are not already being treated for sleep problems.
Paris, Île-de-France RegionAges 18 years+ - NCT07040566RecruitingPhase 2
Varenicline to help stop vaping
This trial tests whether varenicline, a medicine that reduces cravings, can help people quit using e-cigarettes that contain nicotine. You must be a daily nicotine vaper and live in Connecticut or South Carolina.
New Haven, ConnecticutAges 18 years+ - 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 CarolinaAges 21 years+ - NCT04949464Recruiting
Smoking quit coaching plus lung scans for people with HIV
This study tests a behavior-change program to help people with HIV quit smoking, along with routine low-dose lung CT scans to find warning signs early. It’s a feasibility study, meaning the main goal is to see if the approach is practical and acceptable, and if people can follow through.
La Jolla, CaliforniaAges 45–80 - NCT05860699RecruitingPhase 2
Cannabidiol added during inpatient alcohol withdrawal
This trial tests whether cannabidiol (CBD) given during an inpatient alcohol detox helps people stay off alcohol afterward. You would be compared with standard care to see if CBD improves recovery during and after withdrawal.
Créteil, Albert ChenevierAges 18–75 - NCT05660525Recruiting
Helping rural smokers quit with pharmacist support and nicotine replacement
This study tests a smoking-cessation program delivered through community pharmacies in rural Appalachia. It may help people quit smoking using nicotine replacement (patch or lozenges) plus support from pharmacists.
Charlottesville, VirginiaAges 18 years+ - NCT03249428Enrolling by invitation
Cytisine vs nicotine patches for quitting smoking
This study compares cytisine (an aid to reduce cravings) with nicotine replacement therapy (like patches or gum) to help people quit tobacco/nicotine. It also looks at whether the two options work for people facing higher barriers like low income or housing insecurity.
Ottawa, OntarioAges 18 years+
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Common questions
- Are there clinical trials for tobacco use cessation?
- Yes. Clin2 currently lists 105 recruiting tobacco use cessation studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a tobacco use cessation trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a tobacco use cessation trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.