Testing effectiveness (Phase 2)Study completedNCT00439413What this trial is testingSelegiline for Smoking Cessation - 1Who this might be right forNicotine Dependence National Institute on Drug Abuse (NIDA) 246
Post-approval studies (Phase 4)Study completedNCT00235313What this trial is testingAdjustment of DOses of NIcotine in Smoking Cessation (ADONIS)Who this might be right forSmoking Cessation Assistance Publique - Hôpitaux de Paris 300
Post-approval studies (Phase 4)Study completedNCT01980550What this trial is testingAssociation of Functional COMT Val108/Met Polymorphism With Smoking Cessation in Nicotine Replacement TherapyWho this might be right forNicotine Dependence National Institute on Drug Dependence, China 250
Testing effectiveness (Phase 2)UnknownNCT01040910What this trial is testingCannabis for Inflammatory Bowel DiseaseWho this might be right forCrohn's DiseaseUlcerative Colitis Meir Medical Center 20
Not applicableStudy completedNCT03011710What this trial is testingEpidemiology and Acute Oral Effects Electronic CigaretteWho this might be right forNicotine Dependence, Cigarettes Semmelweis University 14
Not applicableStudy completedNCT00006151What this trial is testingCombining a Smoke Ending Aid With Behavioral Treatment - 1Who this might be right forTobacco Use Disorder Peter Gariti 60
Not applicableLooking for participantsNCT07298902What this trial is testingNon-Invasive Deep Brain Neuromodulation for Smoking CessationWho this might be right forNicotine Addiction The University of Texas Health Science Center, Houston 100
Post-approval studies (Phase 4)Study completedNCT04627922What this trial is testingN-Acetylcysteine for Smoking Cessation in Tobacco and Cannabis Co-UseWho this might be right forCannabis UseTobacco Use DisorderDrug Use Disorder Ellen Herbst 41
Large-scale testing (Phase 3)Study completedNCT00722124What this trial is testingS-Adenosyl-L-Methionine (SAMe) for Smoking AbstinenceWho this might be right forTobacco Dependence Mayo Clinic 150
Testing effectiveness (Phase 2)Study completedNCT01292642What this trial is testingCognitive Behavioral Therapy and the Nicotine Transdermal Patch for Cannabis Dependence and Nicotine DependenceWho this might be right forCannabis DependenceNicotine Dependence Mclean Hospital 12
Not applicableStudy completedNCT00714896What this trial is testingInterventions for Smoking Among Persons in RecoveryWho this might be right forSmoking Cessation University of California, San Francisco 75
Testing effectiveness (Phase 2)Study completedNCT01972464What this trial is testingProgesterone for Smoking Relapse Prevention Following DeliveryWho this might be right forTobacco Use Disorder Yale University 41
Early research (Phase 1)Study completedNCT02576899What this trial is testingImproving Functional Outcomes of Veterans With PTSD and Tobacco DependenceWho this might be right forTobaccoPosttraumatic Stress Disorder VA Office of Research and Development 36
Large-scale testing (Phase 3)UnknownNCT00547963What this trial is testingBrief Counseling to Reduce Injuries Among Emergency Department Patients Who Report Alcohol and Substance UseWho this might be right forAlcohol DrinkingMarijuana Smoking National Institute on Alcohol Abuse and Alcoholism (NIAAA) 554
Large-scale testing (Phase 3)Study completedNCT01573416What this trial is testing"Effectiveness of a Brief Intervention for Substances Consumption Linked to the Alcohol, Smoking and Substance Involvement Screening Test (ASSIST): A Randomized Control Trial in Chilean Primary Care."Who this might be right forAlcohol-Related DisordersSubstance-Related DisordersSubstance Abuse Pontificia Universidad Catolica de Chile 400
Very early researchStudy completedNCT03290430What this trial is testingEnd Nicotine Dependence ClinicWho this might be right forSmoking Cessation Case Comprehensive Cancer Center 56
Not applicableStudy completedNCT01091363What this trial is testingTobacco Dependence Treatment for Asian AmericansWho this might be right forTobacco Dependence University of Massachusetts, Boston 109
Large-scale testing (Phase 3)Study completedNCT01038206What this trial is testingFamilias Unidas: Preventing Substance Abuse in Hispanic YouthWho this might be right forPreventionFamily FunctionSubstance Use+1 more University of Miami 746
Not applicableEnrolling By InvitationNCT06042361What this trial is testingEnhancing Equity in Smoke-free HousingWho this might be right forTobacco UseTobacco SmokingTobacco Use Cessation+2 more Harvard School of Public Health (HSPH) 480
Not applicableStudy completedNCT00059514What this trial is testingTobacco Use Among Arab American YouthWho this might be right forTobacco Use Disorder Wayne State University 2,300