Post-approval studies (Phase 4)Study completedNCT02351167What this trial is testingGenetically Informed Smoking Cessation TrialWho this might be right forSmoking Cessation Washington University School of Medicine 822
Testing effectiveness (Phase 2)Active Not RecruitingNCT06088498What this trial is testingApp for Reducing Cravings to SmokeWho this might be right forSmoking H. Lee Moffitt Cancer Center and Research Institute 1,051
Not applicableLooking for participantsNCT07650721What this trial is testingSmoking Cessation Counseling Performance Among Medical InternsWho this might be right forSmoking Cessation Assiut University 140
Not applicableStudy completedNCT06470776What this trial is testingChatbot Counselling for Smoking Cessation in YouthsWho this might be right forTobacco UseSmoking Cessation The University of Hong Kong 154
Not applicableStudy completedNCT01320462What this trial is testingSmoking Cessation Program in the Preadmission ClinicWho this might be right forSmoking University Health Network, Toronto 296
Large-scale testing (Phase 3)Looking for participantsNCT05413122What this trial is testingEvaluating Smoking Cessation Interventions for PWH in South AfricaWho this might be right forSmoking CessationHIVComorbidities and Coexisting Conditions Johns Hopkins University 660
Not applicableStudy completedNCT02971137What this trial is testingPain and Smoking StudyWho this might be right forSmokingPainSmoking Cessation VA Office of Research and Development 371
Very early researchActive Not RecruitingNCT01098955What this trial is testingSmoking Cessation Treatment for Head & Neck Cancer PatientsWho this might be right forHead and Neck CancerSmoking Cessation M.D. Anderson Cancer Center 51
Not applicableStudy completedNCT00245323What this trial is testingChecking Smoking Status as a Routine Vital Sign: A Cluster-Randomized Trial of Its Effect on Cessation CounselingWho this might be right forSmoking Virginia Commonwealth University 2,000
Not applicableStudy completedNCT04532970What this trial is testingBAPS in Botswana: The Thotloetso TrialWho this might be right forHIV InfectionsSmoking CessationSmoking Abramson Cancer Center at Penn Medicine 651
Not applicableEnded earlyNCT02916628What this trial is testingEffects of Auricular Acupressure and Group Counseling on Smoking Cessation Tobacco Withdrawal SymptomsWho this might be right forSmoking Inha University Hospital 225
Early research (Phase 1)Study completedNCT00135213What this trial is testingPROS Brief Smoking Cessation Counseling in Pediatric Practice to Reduce Secondhand Smoke Exposure of Young ChildrenWho this might be right forHealth Care Quality, Access, and EvaluationSmoking Cessation University of Rochester 1,200
Not applicableStudy completedNCT04107753What this trial is testingThe Impact of Brief Motivational Counseling for Smoking Cessation in an Italian Emergency Department: a Randomized Controlled TrialWho this might be right forSmoking Habit Università degli Studi del Piemonte Orientale Amedeo Avogadro 480
Not applicableEnded earlyNCT02085616What this trial is testingEffectiveness of the Swedish National Tobacco QuitlineWho this might be right forSmoking CessationTobacco Cessation Uppsala University 586
Not applicableNot Yet RecruitingNCT07505147What this trial is testingEffectiveness of Brief Smoking Cessation Counselling in Pre-Anaesthesia Assessment ClinicWho this might be right forSmoking ( Cigarette) Pok Oi Hospital 125
Testing effectiveness (Phase 2)Study completedNCT02596711What this trial is testingProject Impact 2: A Culturally Tailored Smoking Cessation Intervention for Latino SmokersWho this might be right forTobacco Use CessationCancer Prevention M.D. Anderson Cancer Center 26
Testing effectiveness (Phase 2)Study completedNCT00104481What this trial is testingGroup Counseling for Smoking CessationWho this might be right forSmoking American University 240
Post-approval studies (Phase 4)Study completedNCT01010477What this trial is testingTrial of Nicotine Nasal Spray as an Aid for Smoking Cessation in SchizophreniaWho this might be right forSmoking CessationSchizophrenia Rutgers, The State University of New Jersey 66
Not applicableStudy completedNCT02157610What this trial is testingSmoking Cessation for Cervical Cancer SurvivorsWho this might be right forCervical CancerTobacco UseSmoking Cessation H. Lee Moffitt Cancer Center and Research Institute 202
Large-scale testing (Phase 3)Study completedNCT00507728What this trial is testingPharmacogenetics, Emotional Reactivity and SmokingWho this might be right forTobacco Use DisorderSmoking Cessation M.D. Anderson Cancer Center 646