| Recruiting | Detection of Risk Behaviors: Pilot Observational Study With Bedridden and Agitated Patients. NCT05522647 | University Hospital, Clermont-Ferrand | — |
| Recruiting | Follow up Study of Varapodio Trial: Effect of Longevity and Fasting Mimicking Diet on Risk Factors Age Correla NCT07255300 | Fondazione Valter Longo | N/A |
| Active Not Recruiting | Efficacy of a Multidomain Intervention on Lifestyle Risk Factors for Dementia Prevention NCT06748625 | LuciLab | Phase 3 |
| Recruiting | TRAC-ER Intervention to Reduce Risky Alcohol Use and HIV Risk NCT05576350 | University of Kentucky | N/A |
| Recruiting | Molecular Classification in Relation to Prevention of Endometrial Cancer Recurrence and Lifestyle Factors NCT06680791 | Lukas Vanek | — |
| Recruiting | Building Social and Structural Connections for the Prevention of Opioid Use Disorder Among Youth Experiencing NCT06311838 | Ohio State University | N/A |
| Recruiting | Neurobehavioral Profiles of Adaptive Stress Responses in Individuals With Alcohol Use Disorder NCT06105853 | Central Institute of Mental Health, Mannheim | N/A |
| Completed | Effect of Solution-Focused Approach on the Internet,Social Media Addiction and Self-Efficacy Levels OfNursing NCT06674746 | Cumhuriyet University | N/A |
| Unknown | Fasting-mimicking Diet and Longevity Diet, Body Composition and Aging NCT05698654 | Fondazione Valter Longo | N/A |
| Completed | Messages About Reduced Nicotine in Combusted Tobacco Products NCT05506046 | Georgia State University | N/A |
| Completed | Depression Inventory for Maintenance Hemodialysis Patients NCT06844890 | Istanbul University | — |
| Completed | Multidomain Intervention on Modifiable Lifestyle Risk Factors for Dementia Prevention NCT05141578 | LuciLab | N/A |
| Completed | Evaluation of Values in Perspective (VIP) Program NCT04879342 | University of Miami | N/A |
| Completed | The Effect of Behavior Exchange Program on Risky Behaviors NCT06541418 | Istanbul Medipol University Hospital | N/A |
| Completed | Intervention on Modifiable Lifestyle Risk Factors for Dementia Prevention NCT04616794 | LuciLab | N/A |
| Completed | Translation Study of a Safe Teen Driving Intervention NCT04317547 | Ginger Yang | N/A |
| Completed | Wise Interventions in the Digital Society NCT04497506 | University of Deusto | N/A |
| Withdrawn | Questionnaire About Individual's Insight/Awareness of Risk of Violence NCT03762356 | Bournemouth University | — |
| Completed | Seroincidence Study Among Men Who Have Sex With Men and Transgender Women - The ImPrEP Seroincidence Study NCT05674682 | Evandro Chagas National Institute of Infectious Disease | N/A |
| Completed | Stress-related Predictor Profiles in Human Addiction NCT03810924 | Central Institute of Mental Health, Mannheim | N/A |
| Completed | An Emotion Regulation Intervention for Early Adolescent Risk Prevention NCT03430570 | Rhode Island Hospital | N/A |
| Completed | DOT Diary Mobile App for Pre-Exposure Prophylaxis Adherence in Young Men NCT03771638 | Public Health Foundation Enterprises, Inc. | Phase 4 |
| Completed | Effect of Air Pollution on the Cognitive Function of Adolescents NCT03762239 | Barcelona Institute for Global Health | N/A |
| Unknown | Piloting ProHealth: A Program for Male Soldiers on Sex, Dating and Alcohol-Use at Fort Bragg NCT03184298 | Womack Army Medical Center | N/A |
| Completed | Effectiveness of Counseling Interventions to Modify Risk Behaviors in Patients at the Hospital San Ignacio. NCT03521622 | Hospital Universitario San Ignacio | N/A |
| Completed | Couples Health Project: Couples-based Intervention to Reduce Drug Use and HIV Transmission Risk NCT03386110 | Hunter College of City University of New York | N/A |
| Completed | DOT Diary Optimization Pilot: A Pilot Study to Optimize the DOT Diary App to Measure PrEP Adherence NCT03387462 | Public Health Foundation Enterprises, Inc. | Phase 4 |
| Active Not Recruiting | The Impact of a Web-Based Naloxone Intervention Under Standing Orders to Patients Prescribed Chronic Opioid Th NCT03337009 | Kaiser Permanente | N/A |
| Completed | The Impact of Co-Dispensing Naloxone to Patients Prescribed Chronic Opioid Therapy NCT03337100 | Kaiser Permanente | N/A |
| Completed | Testing an Integrated Bio-Behavioral Primary HIV Prevention Intervention Among High-Risk People Who Use Drugs NCT03282890 | University of Connecticut | N/A |
| Completed | TOURIST 2: Tracking Of Urgent Risks In Swiss Travelers NCT03262337 | University of Zurich | — |
| Completed | Impact of Direct Outreach to Expand Access to Naloxone in the Context of Standing Orders NCT03241771 | Kaiser Permanente | N/A |
| Completed | The Life STORRIED Study NCT03134092 | University of Pennsylvania | N/A |
| Unknown | CheckED Yourself Study NCT03304574 | Seattle Children's Hospital | N/A |
| Completed | Impact of Self-visualization of Epileptic Seizures on Patients' Perception of the Disease and Risk Behavior NCT04311151 | Parc de Salut Mar | N/A |
| Completed | A SYNdemic BASed INtervention for MSM With High Risk Behavior: Design of a Randomized Controlled Trial NCT02859935 | Public Health Service of Amsterdam | N/A |
| Unknown | The Effect of a Safety Video on Ski and Snowboard School Program Participants in Calgary, Alberta NCT03184779 | Sport Injury Prevention Research Centre | N/A |
| Unknown | Pro-Change Population Health Solution NCT02755636 | Pro-Change Behavior Systems | Phase 2 |
| Completed | A Clinical Trial of SBIRT Services in School-based Health Centers NCT02387489 | Friends Research Institute, Inc. | N/A |
| Completed | Love, Sex & Choices: A Web Series on Mobile Devices to Reduce Black Women's HIV Risk NCT02493647 | Northeastern University | N/A |
| Active Not Recruiting | Fostering Healthy Futures for Teens: An RCT NCT03707366 | University of Denver | N/A |
| Completed | BEing Safe in Treatment NCT03575585 | University of Washington | Phase 2 |
| Completed | Safe, Healthy, Adolescent Relationships and Peers NCT02420548 | University of Oregon | N/A |
| Completed | Randomized Controlled Trial of Ways to Improve OVC HIV Prevention and Well-being NCT02054780 | Johns Hopkins Bloomberg School of Public Health | N/A |
| Completed | Secondary HIV Prevention and Adherence Among HIV-infected Drug Users NCT01741311 | University of Connecticut | N/A |
| Completed | Computerized Brief Alcohol Intervention (BI) for Binge Drinking HIV At-Risk and Infected Women NCT01125371 | Johns Hopkins University | N/A |
| Completed | XY-Zone Program Evaluation: A School-Based Dropout Prevention Program for At-Risk Youth NCT01323231 | University of Texas at Austin | Phase 1 / Phase 2 |
| Completed | Culturally Informed Family Based Treatment of Adolescents: A Randomized Trial NCT01823250 | University of Miami | Phase 2 |
| Completed | Juvenile Offender HIV Prevention and Drug Abuse Services NCT01922297 | University of Miami | N/A |
| Withdrawn | Computerized Screening and Brief Physician Advice to Reduce Teen Drinking NCT00849589 | Boston Children's Hospital | N/A |
| Completed | A Small-group Intervention to Reduce HIV Sexual Transmission Risk Behavior Among HIV-positive Men Who Have Sex NCT02546271 | Toronto Metropolitan University | N/A |
| Completed | Reducing HIV Risk in Urban Women: Soap Opera Videos on Video-Capable Cell Phones NCT03330522 | Northeastern University | N/A |
| Completed | Trial of Automated Risk Appraisal for Adolescents NCT00505440 | Nationwide Children's Hospital | N/A |
| Completed | Comprehensive Elementary School Risk Prevention NCT00099385 | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | N/A |
| Completed | A Randomized Trial of Vaccine Adherence in Young Injection Drug Users NCT00244374 | University of California, San Francisco | N/A |
| Completed | Employment-based Reinforcement to Motivate Drug Abstinence in the Treatment of Drug Addiction. - 1 NCT00249496 | Johns Hopkins University | N/A |
| Completed | Utilization of the Community Popular Opinion Leader (C-POL) Model in Alabama NCT00260754 | Centers for Disease Control and Prevention | N/A |
| Completed | A Community-Based Intervention With Popular Opinion Leaders (C-POL) in Texas NCT00260715 | Centers for Disease Control and Prevention | N/A |
| Completed | An STD Prevention Intervention for Men Newly Released From Jail NCT00260780 | Centers for Disease Control and Prevention | N/A |