Clinical trials
Tobacco clinical trials
Below are recruiting tobacco clinical trials, each written for real people, not researchers. We’re tracking 190 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06077240Recruiting
E-cigarettes vs pouches for quitting smoking
This study compares the effects of e-cigarettes and nicotine pouches on smoking habits and addiction. The goal is to see which method helps people smoke less and reduces their dependence on cigarettes.
New Haven, ConnecticutAges 21 years+ - NCT05445804RecruitingPhase 1
Oral cannabidiol (CBD) to help you quit tobacco
This Phase 1 study tests whether taking oral CBD can help people quit tobacco. It also checks safety and helps researchers learn how people respond to the treatment while they practice quitting.
Baltimore, MarylandAges 18–65 - NCT06881069Recruiting
Text-based tobacco cessation support for low-income Utahns
This study tests a text-message program to help people who use tobacco quit. It's designed for adults living in low-income areas in Utah who visit certain clinics.
Salt Lake City, UtahAges 18 years+ - NCT07148232RecruitingPhase 4
Helping people experiencing homelessness quit smoking
This study tests an extended program to help people who are homeless and smoke at least 5 cigarettes a day quit smoking. It provides nicotine replacement therapy (like patches or gum) and support over time.
San Francisco, CaliforniaAges 18 years+ - NCT07142668Recruiting
How cigarette cost and availability affect tobacco buying
This study looks at how changing cigarette prices and availability affects what and how much tobacco people buy. It may help inform future policies that aim to reduce smoking.
Buffalo, New YorkAges 21 years+ - NCT06042361Enrolling by invitation
Making smoke-free housing fairer for residents
This study aims to make smoke-free policies more equitable in affordable housing communities. If you live in one of the six selected properties in Massachusetts, Maryland, or New York, you may be able to participate in a survey or a group discussion.
Boston, MassachusettsAges 18 years+ - NCT06535867Recruiting
Comparing phone-based vs. in-person mouth cancer screening in rural India
This study compares two ways to find early signs of mouth cancer or conditions that could lead to cancer. One method uses a simple phone-based health check, and the other uses standard in-person screening. People in rural areas of Varanasi who are at risk—such as those who use tobacco or have mouth sores—may be able to join.
New York, New YorkAges 18 years+ - NCT06693700Recruiting
Using an air quality monitor to help make your home smoke-free
This study tests whether an indoor air quality monitor can help people keep their homes smoke-free. It is for MSK patients who currently smoke and want to reduce smoke exposure indoors.
Basking Ridge, New JerseyAges 18 years+ - NCT04865276Recruiting
Quit tobacco with a phone-based support program
This study tests a phone (mHealth) program designed to help people stop using tobacco. You may be assigned to either the program or a comparison group, based on your location and the study plan.
Londrina, ParanáAges 18 years+ - NCT06883097Recruiting
Quitting smoking with HIV: A smoking cessation trial
This study tests whether nicotine replacement therapy (like patches or gum) can help people living with HIV quit smoking. You'll be part of a program that supports your quit attempt while you receive care for HIV.
Winston-Salem, North CarolinaAges 18 years+ - 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+ - NCT06234722Enrolling by invitation
How Prices Affect Tobacco Use in Appalachia
This study looks at how the price of different tobacco and nicotine products might change how much people in Appalachia buy or use them. If you use nicotine or tobacco daily and don't plan to quit soon, you may be able to join.
Lexington, KentuckyAges 21 years+ - NCT06438549Recruiting
Community health workers help pregnant smokers quit
This study tests whether adding a community health worker to your prenatal care team can help pregnant women quit smoking. It's for women who are ready to make a quit plan and are getting care at certain hospitals.
Loma Linda, CaliforniaAges 18 years+ - NCT05415371Enrolling by invitation
Smoking help program for pregnant women in Medicaid
This study tests a smoking-cessation program for pregnant people who smoke while using Medicaid. It may help reduce smoking during pregnancy through structured support calls.
Oklahoma City, OklahomaAges 18–105 - NCT07501572Enrolling by invitation
Escape room game to prevent tobacco harm for kids
This study tests if a robot-assisted escape room game can help 5th and 6th graders learn about the dangers of tobacco. It may help students make healthier choices.
New Taipei City, Xindian DistrictAges 10–12 - NCT05526196Recruiting
Study how cannabis and tobacco affect reaction and feelings
This study tests how cannabis and tobacco—used together or separately—affect your thinking speed, how you feel, and body responses. You may help researchers understand these effects under controlled conditions, which could be useful for safer use and treatment decisions.
Toronto, OntarioAges 19–45 - NCT06290869RecruitingPhase 3
Tobacco education and lung scan study
This study tests whether a special health education program, along with a free lung scan, can help long-term smokers quit. You may be able to join if you are a current smoker between 50 and 80 years old and have never had lung cancer.
Washington D.C., District of ColumbiaAges 50–80 - NCT07712887Recruiting
Studying how IQOS users puff across device models
This study looks at how people who regularly use IQOS inhale from different versions of the device. It aims to understand how the feeling and pattern of use change between models.
Beirut, BeirutAges 18–65 - NCT06218056RecruitingPhase 2
CBD for reducing cigarette smoking in a treatment center
This study tests whether a daily dose of cannabidiol (CBD) can help people who smoke at least 5 cigarettes a day cut down or quit. It is for people staying at a treatment center in Los Angeles where cannabis use is not allowed.
North Hollywood, CaliforniaAges 18–65 - NCT06254001RecruitingPhase 4
Combined tobacco treatment for hospitalized smokers
This trial tests a combination of treatments to help hospitalized smokers quit. If you are a smoker currently in the hospital, you may be able to join and get support to stop smoking.
Mexico CityAges 18 years+ - NCT06883162RecruitingPhase 3
A study to help people stop smoking tobacco and reduce cannabis use
This study tests whether a medication called varenicline (or a placebo) can help people who use both tobacco and cannabis to quit or cut back. It takes place in South Carolina and lasts 12 weeks.
Charleston, South CarolinaAges 18 years+ - NCT05805722Recruiting
Tobacco quit program for cancer patients and recent quitters
This study offers a structured tobacco-cessation program for people with a history of cancer who currently use tobacco or quit recently. It tests approaches to help you stop using tobacco and stay quit while you’re getting care or recovering.
Richmond, VirginiaAges 18 years+ - NCT07553962Recruiting
How couples support each other when quitting smoking
This study looks at how couples who both smoke can help each other quit. Researchers want to understand the ways partners support one another during a smoking cessation attempt, which may help improve quit success rates.
Denver, ColoradoAges 18 years+ - NCT07568483Recruiting
Web-based smoking cessation support program
This study tests TUBSIS 2.0, a digital program designed to help you quit or cut back on smoking. You'll use it on your computer, tablet, or phone, and researchers will track how it affects your smoking habits over time.
ZurichAges 18 years+
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Common questions
- Are there clinical trials for tobacco?
- Yes. Clin2 currently lists 190 recruiting tobacco 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 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 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.