Treatment
Nicotine clinical trials
We’re tracking 139 recruiting studies that include Nicotine, each written for real people, not researchers, below.
Recruiting studies
- NCT06851936Recruiting
Help quitting tobacco for cancer survivors and their caregivers
This study tests a program to help people with a history of cancer and their family caregivers quit using tobacco or nicotine products. You may help researchers learn what works best for supporting quitting in this group.
Gainesville, FloridaAges 18 years+ - NCT06798324RecruitingPhase 4
Brain stimulation plus smoking cessation medication for quitting smoking
This trial tests whether combining brain stimulation (tDCS) with a smoking cessation medication (varenicline) helps people quit smoking. You would attend daily visits for two weeks.
Toronto, OntarioAges 18–85 - NCT06619964Enrolling by invitation
Study on nicotine levels in e-liquids
This trial tests how different nicotine levels in e-liquids affect people who use pod or pen-style vapes daily. It aims to help regulators make better rules about nicotine content.
Rochester, New YorkAges 21 years+ - NCT06609109RecruitingPhase 1
Testing how cannabis affects e-cigarette use
This study is for daily e-cigarette users who also use cannabis at least once a week. It tests how cannabis affects vaping behavior. Researchers want to see if using cannabis changes how much or how people vape.
Baltimore, MarylandAges 21 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+ - NCT06584929Recruiting
Rural smoking cessation app study
This study tests a smartphone-based program to help people who smoke at least 5 cigarettes a day quit. It focuses on adults in rural areas who want to stop smoking using their own device.
Minneapolis, MinnesotaAges 21 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+ - NCT06461650Recruiting
Nicotine Cessation Before Breast Reconstruction
This study tests whether a program to help women with breast cancer quit using nicotine before reconstructive surgery is feasible and helpful. If you use nicotine and are scheduled for reconstruction, you may be able to join.
Gainesville, FloridaAges 18–80 - 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+ - NCT06315881RecruitingPhase 2
Study of Nicotine Pouches for Cigarette or Snuff Users
This trial tests nicotine pouches (like small pouches you put in your mouth) as a way to help people who smoke cigarettes or use moist snuff. It studies how your body reacts to these pouches under controlled conditions and during daily life.
Columbus, OhioAges 21 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 - NCT06096714RecruitingEarly Phase 1
Testing nicotine's addictive threshold in smokers
This study tests how nicotine affects the brain's reward system in people who smoke. It aims to find the level of nicotine that becomes addictive, helping guide future treatments.
West Haven, ConnecticutAges 21–59 - NCT06066996RecruitingEarly Phase 1
Study of withdrawal symptoms when people vape less
This study looks at what happens when people who vape nicotine daily try to cut back. Researchers want to understand withdrawal symptoms and find better ways to help people reduce or quit vaping.
Baltimore, MarylandAges 21–55 - NCT06053567RecruitingPhase 3
Community smoking cessation for adults with high anxiety sensitivity
This study tests a smoking cessation program designed for adults who are very sensitive to anxiety (like feeling panicky about physical symptoms). It takes place at local YMCA centers and aims to help you quit smoking through a community-based approach.
Austin, TexasAges 18 years+ - NCT05994209RecruitingPhase 1
Testing social media to help people stop vaping
This study tests if using social media and digital tools can help people reduce or stop vaping. It's for people who vape daily and want to quit.
St Louis, MissouriAges 15–25 - NCT05665465RecruitingEarly Phase 1
Study how childhood stress may affect future smoking risk
This early study looks at how experiences from childhood may affect brain and behavior patterns related to nicotine and smoking risk. It may help researchers design better prevention strategies for people who have never smoked.
Durham, North CarolinaAges 18–21 - NCT05589220Recruiting
Music and nicotine patches to reduce cravings in student smokers
This study tests whether combining music therapy with nicotine replacement (like a patch or gum) can reduce smoking cravings when students try to quit. It’s aimed at motivated students who smoke regularly and want help with quitting.
PoitiersAges 18–25 - NCT05587361RecruitingPhase 4
Nicotine cue study using propranolol to study craving
This study tests whether a beta-blocking medicine (propranolol) and nicotine patches change how strongly your brain responds to smoking cues. It may help researchers understand what drives cigarette cravings and how to reduce them.
Tulsa, OklahomaAges 21–60 - NCT05538910Recruiting
Brain imaging study on substance use and depression
This study uses brain scans to understand how substance use and mental illness, like depression, are linked. It may help develop better treatments by looking at brain activity in people with and without depression.
Baltimore, MarylandAges 18–60 - 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+ - NCT04971954Recruiting
Nicotine test to improve age-related hearing processing
This study tests whether nicotine can improve how your brain processes sounds, which can get worse with age. It’s designed for non-smokers without significant hearing or medical/medication issues.
Irvine, CaliforniaAges 18–85 - 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+ - NCT03249428Enrolling by invitation
Cytisine vs nicotine patches for quitting smoking
This study compares cytisine (an aid to reduce cravings) with nicotine replacement therapy (like patches or gum) to help people quit tobacco/nicotine. It also looks at whether the two options work for people facing higher barriers like low income or housing insecurity.
Ottawa, OntarioAges 18 years+ - NCT07854431Recruiting
Measuring brain blood flow with light in healthy adults
This study uses a safe, non-invasive light-based technique called near-infrared spectroscopy (NIRS) to measure blood flow and oxygen in the brain. It aims to test a new monitoring device in healthy volunteers aged 20 to 40 to make sure it works correctly.
DüsseldorfAges 20–40
Common questions
- Are there clinical trials studying Nicotine?
- Yes. Clin2 currently lists 139 recruiting studies that include Nicotine, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Nicotine trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Nicotine an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Nicotine or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.