Clinical trials
Cigarette Smoking Behavior clinical trials
Below are recruiting cigarette smoking behavior clinical trials, each written for real people, not researchers. We’re tracking 48 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05513872RecruitingPhase 1/Phase 2
Help to quit smoking using nicotine replacement while not quitting yet
This early-stage study tests ways to help adults who currently smoke daily start making progress toward quitting (or changing smoking habits) over the next 6 months. You may use nicotine replacement, and the study checks safety for people who can use it.
Chicago, IllinoisAges 18 years+ - NCT06173778RecruitingPhase 2
Semaglutide for weight management after quitting smoking
This study tests whether the drug semaglutide (often used for weight loss) can help people who quit smoking avoid gaining weight. It's for people who are overweight or have weight-related health issues and want to stop smoking.
Austin, TexasAges 18–75 - NCT07223840RecruitingPhase 2
A study of brenipatide to help former smokers stay smoke-free
This trial tests an injectable drug called brenipatide to see if it helps people who have recently quit smoking stay quit for good. The study follows participants over time and requires them to come to clinic visits.
Rogers, ArkansasAges 18–75 - NCT07398443Recruiting
Study of marijuana and tobacco use in young adults
This study looks at how young adults use both marijuana and tobacco, and aims to understand their behaviors. It involves tasks and questionnaires, and may help develop better support for people who use both substances.
Providence, Rhode IslandAges 18–25 - 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+ - NCT07075068Recruiting
How smoking affects leg movement and coordination
This study tests how cigarette addiction changes the speed and coordination of your legs. If you are a smoker or a non-smoker, researchers will compare your movement to see if smoking makes a difference.
Istanbul, ÜsküdarAges 18–25 - NCT07585357Recruiting
Mobile app to help young smokers quit
This study tests a smartphone app that uses your location and daily habits to help you quit smoking. Researchers will send you personalized tips and support for 44 days to see if this approach helps you successfully stop smoking.
Baltimore, MarylandAges 18–40 - NCT07102082Recruiting
Smokeless tobacco product claims study for Western New York smokers
This study looks at how people view a smokeless tobacco product that claims to be less harmful than cigarettes. If you smoke daily and are open to trying a smokeless tobacco product, you may be able to help by taking an online survey.
Buffalo, New YorkAges 21 years+ - NCT07476144RecruitingPhase 1
Nordic Spirit pouch nicotine effects study in smokers
This study looks at how nicotine from Nordic Spirit pouches is absorbed and whether it might be habit-forming. It is for healthy adult smokers who want to test a tobacco-free nicotine pouch.
Knoxville, TennesseeAges 22–65 - NCT07271953Recruiting
Help for new moms to stay smoke-free after pregnancy
This trial tests if motivational interviews and a digital game can help women who quit smoking early in pregnancy avoid restarting after giving birth. You will receive support through counseling and a game to stay smoke-free.
Ankara, AnkaraAges 18 years+ - NCT05723588RecruitingPhase 2
TMS brain stimulation to help veterans quit smoking with PTSD
This Phase 2 study tests whether targeted brain stimulation (TMS) can improve smoking quit outcomes in Veterans who also have PTSD. It also uses brain imaging (MRI) to understand what changes in the brain may help people quit.
Durham, North CarolinaAges 18–75 - NCT06837220Recruiting
Smoking cessation program for people in community behavioral health
This study tests a smoking cessation program designed for people who receive care at community behavioral health centers in Chicago. If you're a daily smoker interested in quitting, you may be able to join and get support to help you stop.
Chicago, IllinoisAges 18–26 - NCT06098144RecruitingPhase 4
Smoking cessation program for construction workers
This study tests a program to help construction workers quit smoking. It involves safety managers receiving training to support workers in their quit attempts.
Miami, FloridaAges 18 years+ - 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+ - NCT06451081Recruiting
Helping Hong Kong smokers quit with a text-based program
This study tests a new program that uses text messages to help people who smoke daily to quit. It is designed for Hong Kong residents who can read Chinese and own a smartphone.
Hong KongAges 18 years+ - NCT06944847Recruiting
Vaping and smoking study for people with schizophrenia
This study looks at habits of vaping and smoking in people with schizophrenia. It may help researchers understand how to better support people who want to reduce or quit nicotine use.
Buffalo, New YorkAges 21–50 - NCT06983678Recruiting
Quitting smoking and pain sensitivity study
This study looks at how quitting smoking affects pain sensitivity in people who smoke, especially those with chronic low back pain. Researchers will use brain scans and daily surveys to understand these changes.
Durham, North CarolinaAges 21–65 - 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+ - 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+ - 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+ - NCT05413122RecruitingPhase 2/Phase 3
Smoking quit support for adults living with HIV in South Africa
This trial tests smoking-cessation interventions to help people living with HIV quit smoking or smoke less. You may be eligible if you smoke, are actively engaged in HIV treatment, and can follow the study for about a year.
Soweto, GautengAges 18 years+ - NCT05257629RecruitingPhase 3
Aggressive smoking quit program after heart problems
This trial tests whether a strong quit plan using varenicline (a quit pill) plus nicotine e-cigarettes, along with counseling, helps people stop smoking after a recent heart-related event. It’s aimed at people who want to quit and can safely stay involved for about a year.
New Westminster, British ColumbiaAges 18 years+ - NCT05557487Recruiting
Real-world low-dose CT screening for people at high lung risk
This study looks at how people at high risk for lung cancer use low-dose CT scans in real life, and what outcomes happen over time. It may help confirm which groups benefit most from regular screening and support safer screening decisions.
Taichung, TaiwanAges 20–80 - NCT06432985Recruiting
Smoking Cessation Program for Veterans with Cancer
This study tests a video-based program to help Veterans who smoke and are being treated for cancer or lung cancer screening to quit. If you're a VA patient in San Francisco and currently smoke, you may be able to join.
San Francisco, CaliforniaAges 18 years+
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Common questions
- Are there clinical trials for cigarette smoking behavior?
- Yes. Clin2 currently lists 48 recruiting cigarette smoking behavior 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 cigarette smoking behavior 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 cigarette smoking behavior 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.