Clinical trials
Tobacco Smoking clinical trials
Below are recruiting tobacco smoking clinical trials, each written for real people, not researchers. We’re tracking 113 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT05852860Enrolling by invitation
Mentoring program for HIV clinicians on tobacco cessation
This study tests a mentoring program to help clinicians who care for HIV patients learn more about helping patients quit smoking. It aims to improve how doctors and nurses support tobacco cessation in HIV care.
Philadelphia, PennsylvaniaAges Any age - NCT06930547Recruiting
Smoking cessation education for recovery
This study tests whether education classes can help people who are in recovery from mental health issues quit smoking. It is for people registered with a Community Mental Health Center who smoke daily.
Erzurum, ErzurumAges 18 years+ - NCT05999383RecruitingPhase 2
Marijuana and tobacco use study
This trial looks at how marijuana and tobacco work together in your body. If you regularly use both cannabis and tobacco, you may help researchers understand their combined effects.
San Francisco, CaliforniaAges 21–65 - 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 - NCT07198971Recruiting
Music therapy to help cancer patients quit smoking
This study tests whether adding music therapy sessions can help people with cancer quit smoking more easily. You'll work with a tobacco addiction nurse and a music therapist to see if the music part makes it easier to stick with quitting.
Montpellier, HeraultAges 18 years+ - 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 - NCT03495024RecruitingPhase 4
Varenicline for quitting smoking in people with schizophrenia
This trial tests whether varenicline helps people with schizophrenia or schizoaffective disorder stop smoking. It also looks at related nervous-system side effects that can happen with some anti-psychotic medicines.
Philadelphia, PennsylvaniaAges 18–75 - NCT06673225Recruiting
INSPIRE respiratory health program in Botucatu
This study tests a respiratory health program for adults with breathing symptoms and a history of smoking. It aims to see if the program improves lung health and quality of life.
Botucatu, São PauloAges 18 years+ - NCT07598136Recruiting
How e-cigarette flavors affect smoking habits
This study looks at whether different flavors in e-cigarettes help smokers quit or reduce regular cigarettes. You'll use e-cigarettes with different flavors while researchers track your smoking habits through a smartphone app.
Maitland, FloridaAges 21–65 - 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+ - NCT07039175RecruitingPhase 3
Helping veterans with chronic disease change smoking or drinking habits
This study tests a program to help veterans with diabetes, heart disease, or related conditions who are thinking about cutting back on smoking or alcohol. The goal is to see if the program can motivate positive changes in these habits.
Buffalo, New YorkAges 18 years+ - NCT07027956Recruiting
Smoking and lung function study
This study measures how well your lungs work and how much oxygen is in your blood. It compares smokers and non-smokers to see if smoking affects breathing.
KırşehirAges 18–65 - NCT07001930RecruitingPhase 1
Cannabidiol effects on stress and nicotine withdrawal
This trial tests whether a cannabis-derived compound called cannabidiol (CBD) can help people who smoke cigarettes cope with stress and withdrawal symptoms when they stop smoking. CBD is not the part of cannabis that makes you high.
Baltimore, MarylandAges 21–70 - NCT06922617Recruiting
Comparing e-cigarettes to standard quitting aids for people in addiction treatment
This study compares two ways to help people who are in treatment for substance use also quit or reduce smoking: using e-cigarettes or using standard nicotine replacement therapy (like patches or gum). If you're ready to make a change in your smoking, this could be a helpful option.
Charleston, South CarolinaAges 21 years+ - NCT06630728RecruitingPhase 4
How Addictive Are Very Low Nicotine Little Cigars?
This study is testing whether little cigars with very low nicotine are less addictive than regular ones. Researchers want to see how smoking these affects your mood, cravings, and smoking behavior.
Columbus, OhioAges 21–75 - NCT04715568RecruitingPhase 4
Testing how smoke exposure affects heart health
This study looks at whether being exposed to secondhand tobacco smoke at work affects heart and blood vessel health. It may help researchers understand which people are at higher risk and how the body responds to that exposure.
San Francisco, CaliforniaAges 40 years+ - NCT04722835Recruiting
Study lung immune cells in people at risk for COPD
This study looks at different lung immune cell patterns and how they work in smokers who are not yet diagnosed with COPD or asthma. It may help researchers understand why some people are more likely to develop COPD, which could guide future prevention or early treatments.
San Francisco, CaliforniaAges 40–75 - 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 - NCT07491627Enrolling by invitation
Nicotine's effect on gum disease treatment in smokers and non-smokers
This study looks at how smoking and nicotine affect the success of gum disease treatment. It compares results between smokers and non-smokers who have gum disease.
Liège, LiegeAges 18 years+ - NCT07292883RecruitingPhase 2
Accelerated TMS for smoking cessation
This trial tests whether a rapid form of brain stimulation (TMS) can help people stop smoking. It is designed for adults who are ready to quit within the next month.
Penetanguishene, OntarioAges 18 years+ - NCT07098065Recruiting
Health warnings and counseling to help you quit smoking
This trial tests whether health warnings and counseling can help smokers quit. You'll get support during visits to your local pharmacy.
DhakaAges 18–90 - 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+ - NCT06787937Recruiting
Study on reducing nicotine in cigarettes
This study tests cigarettes that have less nicotine to see how people react to them. You may be able to join if you are a regular adult smoker interested in trying reduced-nicotine cigarettes.
Atlanta, GeorgiaAges 21 years+
Hear when a new Tobacco Smoking trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for tobacco smoking?
- Yes. Clin2 currently lists 113 recruiting tobacco smoking 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 smoking 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 smoking 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.