Clinical trials
Smokers clinical trials
Below are recruiting smokers clinical trials, each written for real people, not researchers. We’re tracking 55 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07215923RecruitingPhase 1
Study of ATI-1013 in healthy smokers who want to quit
This trial tests a new drug called ATI-1013 in healthy smokers. It aims to see how safe the drug is and how it works in the body. If you smoke at least 10 cigarettes a day and are in good health, you might be able to join.
Overland Park, KansasAges 23–59 - NCT06988644Recruiting
Smoking cessation support for health workers
This study offers counseling at work to help health professionals quit smoking. It tests whether talking with a counselor at your workplace makes it easier to stop smoking for good.
Grenoble, isereAges 18 years+ - NCT06816121Recruiting
Blood test for early lung cancer in high-risk smokers
This study is evaluating a blood-based test that might detect lung cancer early, before symptoms appear. Researchers are looking for heavy smokers who have no signs of cancer, as well as those with suspicious lung nodules or confirmed lung cancer, to see if a simple blood draw could help identify cancer sooner.
Oklahoma City, OklahomaAges 30–80 - NCT06763536Recruiting
Comparing nicotine pouches vs. nicotine patches or gum to help smokers in rural Appalachia quit
This study tests if oral nicotine pouches work better than nicotine patches or gum to help you smoke less. You’ll use one of these products for a while and check in with the study team. This is for adults who live in rural Appalachian counties and smoke at least 5 cigarettes a day.
Columbus, OhioAges 21 years+ - NCT04281979Recruiting
Testing a substance’s effects in adult cigarette and vape users
This study tests how a specific substance affects people who currently smoke cigarettes or e-cigarettes. You may be able to join if you’re within a certain age range and recently had specific smoking and drinking patterns, and if you meet health/safety requirements for study procedures like MRI.
Portland, OregonAges 21–40 - NCT04616313Recruiting
MRI and breathing tests in people who vape
This study uses a special lung scan (MRI) and breathing tests to understand how vaping affects lung structure and function. It may help researchers learn what early lung changes happen after starting vaping, even if you don’t feel sick.
London, OntarioAges 16 years+ - NCT06678243Recruiting
Smartphone app to help occasional smokers quit
This study tests a smartphone app (SiS4) designed to help people who smoke occasionally but not daily to quit. You will use the app to track your smoking and get support tailored to your schedule.
Boston, MassachusettsAges 18 years+ - NCT06678672Recruiting
Help for veterans who smoke before major surgery
This study tests a program to help veterans who smoke quit before a planned major surgery. The program uses rewards to encourage quitting, and it may improve surgery outcomes.
San Francisco, CaliforniaAges 18 years+ - NCT06595459RecruitingPhase 4
Options 2 study: testing nicotine replacement or medicines to help smokers switch
This study compares different nicotine replacement options to help people who smoke switch away from cigarettes. It may be a good fit if you smoke at least 5 cigarettes a day, aren't ready to quit in the next month, and are willing to stop using other stop-smoking aids.
Madison, WisconsinAges 21 years+ - NCT06598397RecruitingPhase 4
Quit smoking help for people with HIV in NYC
This study is testing different ways to help people with HIV quit smoking. It combines medication, coaching, and text messages to find the most affordable and effective support.
New York, New YorkAges 18 years+ - NCT06582693Recruiting
Tobacco treatment for families through children's hospital
This study offers proactive, personalized help to stop smoking for adults who smoke and have a child who is a patient at Children's Hospital of Philadelphia. It aims to see if this approach works better than usual care.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06575673Recruiting
Online skills training to help smokers quit and feel better
This trial tests an internet-based program that teaches skills to help you quit smoking and manage stress, anxiety, or low mood. You'll use your own device to get support and learn new ways to cope.
Tai Po, New TerritoriesAges 18–64 - NCT06543407Recruiting
Safer smoking options for people with mental illness
This study offers a way to reduce harm from smoking for people with mental health conditions who are not ready to quit. It tests if switching to a less harmful product can help improve health without requiring you to stop smoking completely.
Louisville, KentuckyAges 21 years+ - 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+ - NCT06296849RecruitingPhase 2
Quit smoking together as a couple with financial incentives
This trial tests if offering money rewards can help couples who both smoke to quit together. You and your partner would both join the program and get support to stop smoking.
Athens, GeorgiaAges 18 years+ - 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+ - NCT06043362Recruiting
Nicotine pouches for daily smokers
This study tests if nicotine pouches can help daily smokers reduce how many cigarettes they smoke. You'll try nicotine pouches, and researchers will track your progress.
Hershey, PennsylvaniaAges 21–70 - NCT05896033Recruiting
Study how menthol cigarette rules affect current menthol smokers
This study looks at how changes in menthol cigarette and e-cigarette rules may affect people who currently smoke menthol cigarettes. You may be asked to complete phone-based reports (like a diary) about your smoking patterns.
Charleston, South CarolinaAges 21 years+ - 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 YorkAges 21 years+ - NCT05722561RecruitingPhase 2
E-cigarettes to reduce smoking in opioid use disorder
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.
New York, New YorkAges 21–75 - NCT05643469Recruiting
Instant messaging support to help smokers quit during cancer treatment
This trial tests a quit-smoking support program using instant messages to help smokers stop smoking while they have cancer. It may help you reduce smoking cravings and stay engaged in quitting support.
Hong KongAges 18 years+ - NCT05703672RecruitingPhase 3
Switching smokers to e-cigarettes who do not want to quit
This study tests whether switching from regular cigarettes to e-cigarettes helps smokers who are not interested in quitting. You would also be offered varenicline and regular check-ins to compare outcomes over time.
Kansas City, MissouriAges 21 years+ - 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+ - NCT05555069Recruiting
Menthol-flavored vaping study for adult menthol cigarette smokers
This study looks at how menthol flavoring may affect whether adult menthol cigarette smokers switch to e-cigarettes. You may be asked to switch and use e-cigarettes over a set period, while researchers track your smoking behavior.
Kansas City, MissouriAges 21 years+
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Common questions
- Are there clinical trials for smokers?
- Yes. Clin2 currently lists 55 recruiting smokers 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 smokers 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 smokers 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.