Clinical trials
Tobacco Use Disorder clinical trials
Below are recruiting tobacco use disorder clinical trials, each written for real people, not researchers. We’re tracking 117 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05726045Recruiting
Sleep-based brain training to help you quit smoking
This study tests a way to improve smoking cessation using special sleep-based brain stimulation and memory support. If it works, it may help you stay committed to quitting by strengthening helpful brain learning during sleep.
Mannheim, Baden-WurttembergAges 18–65 - NCT05766553Recruiting
Virtual reality mindfulness to reduce cigarette cravings
This trial tests whether guided mindfulness meditation in virtual reality can lower cigarette cravings and help people quit smoking. It may help by reducing urges to smoke during stressful moments.
IteuilAges 18–75 - NCT06582888RecruitingEarly Phase 1
VR attention test for smoking cravings
This study tests whether a virtual reality (VR) program can measure how your brain pays attention to smoking cues. It also involves taking a medication called varenicline (Chantix) to see if it reduces cravings. You may be eligible if you are a daily smoker, have been smoking for at least 3 years, and are not ready to quit in the next month.
San Diego, CaliforniaAges 22 years+ - NCT06614504RecruitingPhase 2
Nicotine control for dual e-cigarette and cigarette users
This study is testing how to help people who both smoke cigarettes and use e-cigarettes. It looks at ways to control nicotine use to help you quit or cut back.
Providence, Rhode IslandAges 21 years+ - NCT06617312RecruitingPhase 2
Cytisinicline and brain response to smoking cues
This study tests how a medicine called cytisinicline (similar to a plant-based stop-smoking aid) affects brain activity when you see or think about smoking. It may help researchers understand how the medicine works, even if you aren't ready to quit right now.
Los Angeles, CaliforniaAges 18–65 - 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+ - NCT07576595Recruiting
Lung Cancer Screening and Quit-Smoking Support for African Americans
This study helps African American smokers get lung cancer screening and receive support to quit smoking. Researchers will provide guidance and resources tailored to help you stop smoking and catch lung disease early if needed.
New Orleans, LouisianaAges 50–80 - NCT06986993RecruitingPhase 4
Semaglutide for smoking and weight in people with obesity
This study tests whether the medication semaglutide (similar to Ozempic/Wegovy) can help people who smoke and have obesity cut down on cigarettes, even if they aren't ready to quit. Participants will receive the drug and be monitored for changes in smoking habits and health.
Oklahoma City, OklahomaAges 18–65 - NCT07638553RecruitingPhase 3
Psilocybin to prevent alcohol relapse with depression
This study tests whether psilocybin (a psychedelic compound) can help people with severe alcohol use disorder stay sober longer, especially if they also have depression. Participants receive guided psilocybin sessions alongside counseling to reduce the risk of returning to heavy drinking.
BayonneAges 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+ - NCT06609083RecruitingPhase 1
How cannabis affects cigarette smoking
This study looks at how cannabis affects cigarette smoking habits. If you smoke every day and also use cannabis weekly, researchers want to see if cannabis changes how much you smoke.
Baltimore, MarylandAges 21 years+ - NCT04296604Recruiting
tDCS brain stimulation to improve thinking and mood
This study tests whether a non-surgical brain stimulation called tDCS can improve “executive function,” which means skills like planning, focus, and decision-making. It is designed for people with several mental health and substance-use conditions, and it may help you if those skills are affected by your diagnosis.
Boston, MassachusettsAges 18–65 - NCT04587791RecruitingEarly Phase 1
Cannabidiol (CBD) for opioid use disorder and chronic pain
This early study tests whether CBD can reduce symptoms of chronic pain in people receiving opioid maintenance treatment for opioid use disorder. It also looks at safety and whether CBD can be added without causing major problems.
West Haven, ConnecticutAges 18–70 - NCT06296186Recruiting
PTSD treatment for veterans in substance use recovery
This trial tests a condensed form of prolonged exposure therapy for PTSD in veterans who are also receiving treatment for a substance use disorder. The goal is to help you process trauma and reduce substance use together.
San Diego, CaliforniaAges 18 years+ - NCT07223983RecruitingPhase 1
Semaglutide for alcohol use disorder after weight loss surgery
This trial tests if a once-weekly diabetes medication (semaglutide) can help people with alcohol use disorder who have had gastric bypass or sleeve gastrectomy in the past 7 years. It may reduce alcohol cravings or drinking.
New Haven, ConnecticutAges 18 years+ - NCT07202039Recruiting
E-Cigarettes for Smokers on Buprenorphine
This study tests whether switching to electronic cigarettes can help reduce harm for people with opioid use disorder who are on buprenorphine and smoke daily. The goal is to see if e-cigarettes are a safer option than continuing to smoke regular cigarettes.
Greenville, South CarolinaAges 21 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 - NCT07079215Recruiting
Device trial for opioid withdrawal symptoms
This trial tests a physical device (ADTPM 1) to help manage withdrawal symptoms in people who are dependent on opioids. The goal is to see if the device can safely reduce withdrawal discomfort.
Daegu, DaeguAges 19–80 - NCT06858527Recruiting
Combined ADHD and substance use treatment study
This study tests a combined treatment for adults who have both ADHD and a substance use disorder. It looks at whether an integrated approach helps people better manage both conditions together.
ParisAges 18 years+ - NCT06873009Enrolling by invitation
Can therapy help men in prison quit smoking?
This trial tests if cognitive behavioural therapy (a type of talk therapy that changes thinking and habits) can help men in prison stop smoking. It aims to see what works best and for whom.
Paris, Île-de-France RegionAges 18 years+ - NCT07132814Recruiting
Testing abuse potential of five oral nicotine products
This study tests how much people might want to use five different types of modern oral nicotine products (like pouches or lozenges) compared to smoking their usual cigarette. It helps researchers understand if these products could be less addictive than cigarettes.
Overland Park, KansasAges 21–60 - NCT06968832Recruiting
Prolonged therapy for PTSD and substance use
This trial tests a therapy that helps people with both post-traumatic stress disorder (PTSD) and a substance use disorder (SUD). You'll receive extended therapy sessions to reduce PTSD symptoms and support your recovery from substance use, while continuing your current substance use treatment.
Jacksonville, FloridaAges 18 years+ - NCT07129590Recruiting
Trauma-informed care to help pregnant people quit smoking
This study tests whether a trauma-informed care approach can help pregnant people who have experienced trauma to quit smoking. The study involves clinicians and patients working together to improve smoking cessation support.
San Francisco, CaliforniaAges 18 years+ - NCT07488819Recruiting
Brain imaging study for people with PTSD or alcohol use disorder
This study uses a special brain scan (PET) to look at a protein called PDE4B in people with PTSD or alcohol use disorder. It may help researchers understand these conditions better.
New Haven, ConnecticutAges 18–70
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Common questions
- Are there clinical trials for tobacco use disorder?
- Yes. Clin2 currently lists 117 recruiting tobacco use disorder 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 disorder 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 disorder 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.