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 95 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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, PennsylvaniaAges 21 years+ - NCT06762210Recruiting
Quit smoking with AI and dental health checks
This trial tests whether a smartphone app that uses artificial intelligence (AI) can help you quit smoking by looking at how it affects your dental health. If you smoke at least 5 cigarettes a day and want to quit, you may be able to join.
Fayoum, Alexandria GovernorateAges 21–65 - NCT06264154Recruiting
Can e-cigarette flavor help you quit smoking?
This study looks at whether the flavor of an e-cigarette can help people who keep smoking switch completely away from regular cigarettes. Participants will use e-cigarettes with different flavors for 6 weeks.
Philadelphia, PennsylvaniaAges 21 years+ - NCT05868421Recruiting
Veteran coaching with a trusted person to quit smoking
This study tests whether involving a supportive family member or friend can help a veteran use smoking-quit treatment more effectively. If you’ve smoked recently and can name a trusted contact who will join, you may be able to participate.
Minneapolis, MinnesotaAges 18 years+ - NCT07425119Recruiting
Quit smoking trial for people who smoke a little each day
This study tests a text message program to help people who smoke 1-10 cigarettes most days but not daily quit. It uses cues and reminders sent to your phone to support your quit attempt.
Durham, North CarolinaAges 18 years+ - NCT07162935Recruiting
Cigarillo use study for young adults
This study looks at how young adults use cigarillos. You will smoke research cigarillos in a lab and answer questions. The goal is to understand cigarillo use to help with future regulation.
Oklahoma City, OklahomaAges 18–24 - NCT07145866RecruitingPhase 4
Varenicline and TMS for quitting nicotine use
This study tests whether combining the medication varenicline (Chantix) with a special brain stimulation treatment (TMS) can help people quit vaping or smoking nicotine. If you're motivated to quit and use nicotine daily, you may be able to join.
Boston, MassachusettsAges 18–65 - NCT06249984Recruiting
Comparing moist snuff products for adult users in rural areas
This study compares different types of moist snuff to understand how they affect users. It may help find ways to reduce harm for people who use smokeless tobacco.
Columbus, OhioAges 21 years+ - NCT05746442Recruiting
Interactive quitting messages for Khmer-speaking people with HIV
This trial tests whether interactive, personalized messages can help people who smoke cigarettes quit. It is designed for Khmer-speaking adults living with HIV and aims to support a quit attempt within about two weeks.
Phnom PenhAges 18 years+ - 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, PennsylvaniaAges 21 years+ - NCT07402642Recruiting
Early Education to Lower Heart Attack Risk Factors
This trial tests if personalized education after a heart attack helps patients lower their future risk of heart problems. It focuses on people who had an emergency procedure to open blocked arteries.
Las Palmas de Gran Canaria, Las PalmasAges 18 years+ - NCT06901713Recruiting
Help quitting smoking with CBT and mindfulness
This trial tests a smoking cessation program that combines cognitive behavioral therapy (CBT) and mindfulness audio to help you quit or reduce smoking. You'll receive digital materials to support you.
HangzhouAges 18–65 - NCT05233228RecruitingPhase 2
Phone-based coaching to help you quit smoking in Laos
This study tests a mobile phone program that gives personalized help to support quitting smoking. If you’re eligible, it may help you plan a quit date and stick with quitting using the app.
ChampasakAges 18–65 - NCT04604509RecruitingPhase 4
Smoking quit plan using counseling and nicotine-free medicines
This trial tests whether a quit program that combines counseling with medicines (nicotine replacement, varenicline, or bupropion) helps people stop or cut down smoking. It’s also delivered through telehealth, with repeated check-ins to see how well the plan works and whether it’s safe for you.
Houston, TexasAges 18 years+ - NCT07564648Recruiting
Menthol Cigarette Study: How Different Brands Affect Smoking
This study compares how your body and mind respond to your usual menthol cigarettes versus a new menthol cigarette. Researchers want to understand how different menthol cigarettes affect smoking behavior and cravings over two weeks.
Columbus, OhioAges 21 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 - 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+ - 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+ - NCT06566703Recruiting
Testing a program to help quit smoking in tribal communities
This study tests a program called ANSOS to help people who smoke and are American Indian quit. You'd take part in Zoom sessions and be in the study for one year to see how well the program works.
Bethlehem, PennsylvaniaAges 18 years+ - 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 - 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 - 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 - 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 - 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
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Common questions
- Are there clinical trials for tobacco use cessation?
- Yes. Clin2 currently lists 95 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.