Not applicableStudy completedNCT03526380What this trial is testingThe OPT-IN ProjectWho this might be right forOpioid-Related Disorders University of Michigan 92
Not applicableNot Yet RecruitingNCT06527040What this trial is testingClinical Decision Support for Safety of Opioid TransitionsWho this might be right forMedication AbuseHarm Reduction University of Colorado, Denver 200,000
Not applicableUnknownNCT03376113What this trial is testingThe Effect of a Brief Psychological Intervention on Reducing Self-harm Repetition: Feasibility StudyWho this might be right forSuicide and Self-harm National Taiwan University Hospital 68
Not applicableStudy completedNCT06277271What this trial is testingE-cigarettes as a Harm Reduction StrategyWho this might be right forSmoking Prisma Health-Upstate 30
Not applicableStudy completedNCT04676984What this trial is testingMedication Use and Quality of Life Among Older People (Pilot)Who this might be right forQuality of LifeReduction, Harm Odense University Hospital 3
Not applicableStudy completedNCT02600273What this trial is testingNovel Approaches to Reducing Tobacco Related HarmWho this might be right forSmokingTobacco Smoking BehaviorCigarette Smoking Duke University 18
Not applicableStudy completedNCT06472869What this trial is testingAssessing E-Cigarettes for Tobacco Harm Reduction in the Context of Lung Cancer ScreeningWho this might be right forElectronic Cigarette UseSmoking, CigaretteNicotine Dependence Massachusetts General Hospital 15
Not applicableStudy completedNCT04584229What this trial is testingChemsex, Perceived Risks and Coping Strategies.Who this might be right forSexual; Sexual DesireIllicit DrugsMSM University Hospital, Montpellier 15
Not applicableStudy completedNCT03541824What this trial is testingReducing Suicide Risk Associated With Weight LossWho this might be right forEating BehaviorSelf HarmWeight Loss Florida State University 59
Not applicableStudy completedNCT04079608What this trial is testingRigorous Evaluation of High School FLASHWho this might be right forPregnancy RelatedSexual BehaviorSTD ETR Associates 1,597
Large-scale testing (Phase 3)Looking for participantsNCT05703672What this trial is testingSwitching to E-cigarettes in Smokers Not Interested in QuittingWho this might be right forSmoking Reduction University of Kansas Medical Center 500
Not applicableStudy completedNCT06064981What this trial is testingBE Intervention for Naloxone UptakeWho this might be right forHarm Reduction University of Pennsylvania 137
Not applicableStudy completedNCT01130441What this trial is testingSelf-harming Behaviors Study of Adolescents in a Juvenile Detention HouseWho this might be right forAdolescent BehaviorHarm Reduction Far Eastern Memorial Hospital 277
Testing effectiveness (Phase 2)Study completedNCT05994703What this trial is testingAssisting Smokers to Switch to an e-Cigarette by Accelerating Learning of Adaptive Habits Using D-cycloserineWho this might be right forSmoking CessationHarm Reduction Rose Research Center, LLC 25
Not applicableUnknownNCT03962660What this trial is testingHarm Reduction for Tobacco Smoking With Support of Tobacco-Replacing Electronic Nicotine Delivery SystemsWho this might be right forSmoking, Tobacco University of Washington 94
Not applicableActive Not RecruitingNCT05733442What this trial is testingCounseling for Harm Reduction and Retention in Medication-assisted Treatment - Cherokee NationWho this might be right forOpioid Use Disorder Washington State University 136
Not applicableNot Yet RecruitingNCT07475988What this trial is testingAdapting a Telehealth Intervention for Suicide Prevention Among Patients With Alcohol Use Disorder in TanzaniaWho this might be right forAlcohol Use DisorderSuicide Prevention Duke University 30
Not applicableStudy completedNCT05620433What this trial is testingJoint Effort 2.0: a Mobile Application With University StudentsWho this might be right forCannabis UseCannabisCannabis Dependence+2 more Centre hospitalier de l'Université de Montréal (CHUM) 354
Not applicableStudy completedNCT02628964What this trial is testingElectronic Cigarettes (E-cigarettes) as a Harm Reduction StrategyWho this might be right forTobacco Use DisorderSmoking NYU Langone Health 100
Not applicableLooking for participantsNCT06982443What this trial is testingWellness, Alcohol, Vitals, and EmotionsWho this might be right forAlcohol Use University of New Mexico 120