| Not Yet Recruiting | Evaluating WhatsOK Helpline for Youth With Concerns About Sexual Thoughts and Behaviors NCT07525778 | Center for Violence Prevention Research Inc | N/A |
| Not Yet Recruiting | Integrative Alcohol and Risky Sex Feedback for College Students NCT05011903 | Anne E Ray | N/A |
| Recruiting | Effects of Infertility and Assisted Reproductive Technology on Sexual Function and Behavior NCT07376109 | McGill University Health Centre/Research Institute of the McGill University Health Centre | — |
| Recruiting | The Use of Cannabidiol Suppositories for Sexual Pain NCT07271030 | London Metropolitan University | N/A |
| Not Yet Recruiting | Cultural Adaptation, Validation, and Evaluation of the Programme for Promotion of Healthy Affective-Sexual Beh NCT07208045 | University of Seville | N/A |
| Active Not Recruiting | ALHIV Smartphone Game Study NCT06913660 | Emory University | N/A |
| Recruiting | Troubled-Desire & Therapeutic Chat for Reduction of CSAM Use (TD-CHAT) NCT06852443 | Charite University, Berlin, Germany | N/A |
| Recruiting | Rigorous Evaluation of Let's Talk Birth Control NCT06670066 | Child Trends | N/A |
| Active Not Recruiting | Examining the Effects of Theory-based Education on Individuals' Sexual Behavior. NCT07145749 | Saglik Bilimleri Universitesi | N/A |
| Recruiting | Evaluation of Parent Toolkit 2.0 (Morehouse Family Health Study) NCT06579781 | Child Trends | N/A |
| Completed | Uncovering the Acute Neurobiological Significance of Emerging Sexual Behaviors NCT06602362 | Indiana University | N/A |
| Enrolling By Invitation | The Effect of Web-Based Education Specific to Sexual Health During Pregnancy on Sexual Life NCT05954130 | Cukurova University | N/A |
| Recruiting | IMARA for Black Male Caregivers and Girls Empowerment (IMAGE) NCT06266416 | University of Illinois at Chicago | N/A |
| Recruiting | Alcohol & Men's Sexual Risk Behaviors NCT06158880 | Arizona State University | N/A |
| Active Not Recruiting | Optimizing a Digital AEP Risk Intervention With Native Women and Communities NCT06324929 | University of Virginia | N/A |
| Completed | Sexual Health Literacy Scale NCT05821907 | Nurdan Demirci | — |
| Completed | The Effect of Sexual Counseling Based on the BETTER Model on Sexual Function and Quality of Sexual Life in Pos NCT07261943 | Karamanoğlu Mehmetbey University | N/A |
| Recruiting | Journey of Transformation Curriculum for Native American Youth NCT05731713 | University of Washington | N/A |
| Completed | Scalable Technology for Online Prevention of Child Sexual Abuse (CSA) and CSA Materials NCT06764901 | Charite University, Berlin, Germany | N/A |
| Recruiting | Young Adult Education on Alcohol & Health NCT05620849 | University of Washington | N/A |
| Completed | Vaginal Injection of Platelet Rich Plasma for Sexual Function NCT05769283 | Medstar Health Research Institute | N/A |
| Recruiting | Cerebrovascular Disease: Quality of Life (CODE: QoL) NCT06443268 | University of Zurich | — |
| Recruiting | Keeping it LITE: Exploring HIV Risk in Vulnerable Youth With Limited Interaction and Digital Health Interventi NCT05848570 | Hektoen Institute for Medical Research | — |
| Unknown | Evaluating the Many Ways of Being Program NCT05801601 | Child Trends | N/A |
| Completed | Personalized Prevention for Couples: A 16-month Digital RCT NCT05708014 | Florida International University | N/A |
| Completed | Acceptability, Feasibility, and Preliminary Impact of a Web-based, HIV Prevention Toolkit With Cisgender Male NCT05873855 | Florida International University | N/A |
| Completed | SexoMBC2 Non Interventional Study NCT05577156 | Institut de Cancérologie de Lorraine | — |
| Completed | A Library-based Prevention Intervention for Adolescents Affected by Parental Drug Use NCT05033821 | Johns Hopkins Bloomberg School of Public Health | N/A |
| Completed | Dexamethasone and Robotic-assisted Hysterectomy NCT04762381 | Herning Hospital | N/A |
| Unknown | The Effect of Sexual Health Education Given to Women in the Postmenopausal Period on Sexual Life NCT05560178 | Necmettin Erbakan University | N/A |
| Terminated | Development of a Telehealth-delivered Peer Navigation and Coping Skills Intervention to Increase PrEP Use in Y NCT05769270 | Massachusetts General Hospital | N/A |
| Enrolling By Invitation | Evaluating the Impact of CHOICE-AYA on Contraceptive Use, Continuation and Satisfaction NCT05022134 | Children's Mercy Hospital Kansas City | N/A |
| Completed | Relationship Between Stress, Anxiety, Depression, Sexual Function and Marital Adjustment in Nurses NCT05750238 | Ordu University | — |
| Unknown | The Pill Project - Oral Contraceptive and Serotonergic Brain Signaling NCT05212389 | Rigshospitalet, Denmark | N/A |
| Unknown | Sexuality Education: Knowledge of Women Aged 18 to 25 NCT05140980 | Université de Reims Champagne-Ardenne | — |
| Completed | Study of Long-term Efficacy and Mechanisms Underlying the Impact of a Web-based Sexual and Relationship Health NCT04950686 | Innovation Research & Training | N/A |
| Completed | Developing Online Interventions to Reduce Stigma-Related Stress, Sexual Health, and HIV Risk Among Young Chine NCT04718194 | Yale University | N/A |
| Completed | Sexual Function Changes in High-Risk Pregnancies NCT05093647 | Saglik Bilimleri Universitesi | — |
| Completed | Evaluation of 3T, a Sex-Positive HIV/STI Mobile App Intervention for Young Black Men Ages 14-19 Attracted to M NCT04135443 | ETR Associates | N/A |
| Completed | Evaluating the El Camino Program NCT06485284 | Child Trends | N/A |
| Completed | H - Test Usage in Identification of Sexual Orientation Among People. NCT04673708 | University of Baghdad | N/A |
| Completed | AllyQuest Adherence App Intervention for HIV-positive Men Who Have Sex With Men and Transgender Women: Pilot T NCT03916484 | University of North Carolina, Chapel Hill | N/A |
| Unknown | Sexual Health and Problems During the Covid -19 Infection NCT04427813 | Aljazeera Hospital | — |
| Completed | Comparative Study Between Behavior Therapy and Behavior Therapy Plus Mirabegron in Sexually Active Men With OA NCT04420533 | Chang Gung Memorial Hospital | N/A |
| Completed | A Trial of Online LGBTQ-affirmative Cognitive Behavioral Therapy to Reduce Depression and Associated Health Ri NCT04408469 | Yale University | N/A |
| Completed | Sexual Functions and Covid-19 NCT05018065 | Gaziosmanpasa Research and Education Hospital | N/A |
| Completed | COVID-19 Pandemic and Female Sexual Behavior NCT04374422 | Acibadem University | — |
| Completed | Young Men and Media Study NCT04109443 | Boston University | N/A |
| Completed | Sex & Sleep in Athletes NCT04272853 | I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio | — |
| Completed | Evaluation Study of the Online High School Media Aware Program NCT04035694 | Innovation Research & Training | N/A |
| Completed | We Are Here Now: a Multi-level, Multicomponent Sexual and Reproductive Health Intervention for American Indian NCT03694418 | Montana State University | N/A |
| Completed | Prospective Observational Cohort HIV & STI Study in Europe NCT03866759 | Hendrik Streeck | — |
| Completed | Telling Our Daughters Our Story NCT06276595 | Johns Hopkins Bloomberg School of Public Health | N/A |
| Completed | Men's Sexual Risk Behaviors: Alcohol, Sexual Aggression, and Emotional Factors NCT03900650 | Arizona State University | N/A |
| Completed | Reducing Teen Pregnancy in the Emergency Department NCT03866811 | Columbia University | N/A |
| Completed | Protecting Our Future Generation: Promotion of Protective Sexual Health Practices Among Native American Youth NCT03895320 | Johns Hopkins Bloomberg School of Public Health | N/A |
| Completed | Integrated Prevention of HIV Risk and Intimate Partner Violence Among Adolescents in South Africa NCT03179982 | Brown University | N/A |
| Completed | Assessing the Preliminary Effects of a Multisectoral Agricultural Intervention on Adolescent Girls' Health NCT03741634 | University of California, San Francisco | N/A |
| Completed | Birds and Bees Research Study NCT03655951 | Innovation Research & Training | N/A |
| Completed | HIV and STIs Clinical Study in Germany NCT03884816 | Hendrik Streeck | — |
| Completed | Reducing HIV Vulnerability Through A Multilevel Life Skills Intervention For Adolescent Men NCT03155841 | University of Pennsylvania | N/A |
| Unknown | Sexaffectivity in Autistic Spectrum Disorder NCT03625609 | Parc Taulí Hospital Universitari | — |
| Completed | Supplement Study: Strength, Testosterone, Sexual Function, Quality of Life NCT03457740 | Appalachian State University | N/A |
| Completed | Feasibility Study of the Online High School Media Aware Program NCT03855033 | Innovation Research & Training | N/A |
| Completed | Evaluation of Manhood 2.0: A Community-Based Teen Pregnancy Prevention Program for Young Men NCT04962802 | Child Trends | N/A |
| Completed | Project Legacy Impact Evaluation Study NCT03366636 | Children's Hospital Los Angeles | N/A |
| Completed | Heart to Heart: Testing a Sexual Health Training for Foster and Kinship Caregivers NCT03331016 | Seattle Children's Hospital | N/A |
| Completed | Cadet Healthy Personal Skills Intervention Trial NCT03839797 | National Health Promotion Associates, Inc. | N/A |
| Completed | Evaluation of an Inpatient Sexual Risk Behavior Assessment Program NCT03502226 | Rhode Island Hospital | N/A |
| Completed | Group Alcohol Interventions for College Men NCT02983864 | Ohio University | N/A |
| Completed | Theater in School Sex Education - a Randomized Controlled Study NCT03374696 | Örebro University, Sweden | N/A |
| Completed | Rigorous Evaluation of High School FLASH NCT04079608 | ETR Associates | N/A |
| Completed | Making Healthy Decisions: A Trial Evaluating the "Your Move" Teen Pregnancy-prevention Intervention NCT02993185 | Carnegie Mellon University | N/A |
| Completed | Engineering an Online STI Prevention Program NCT02897804 | Penn State University | N/A |
| Completed | An Evaluation of Re:MIX: a Teen Pregnancy Prevention Program With Young Parents as Peer Educators, EngenderHea NCT03114410 | Child Trends | N/A |
| Completed | Immediate Postpartum Nexplanon Placement in Opioid Dependent Women NCT02657148 | University of Pittsburgh | — |
| Completed | Technology Enhanced Behavioral Activation Treatment for Substance Use NCT02707887 | University of North Carolina, Chapel Hill | N/A |
| Completed | Tx for Child Sexual Behavior Problems NCT02625571 | Milton S. Hershey Medical Center | N/A |
| Completed | Development and Testing of a Smartphone Application to Reduce Substance Use and Sexual Risk Among Homeless You NCT02530645 | New York State Psychiatric Institute | N/A |
| Completed | Oral Contraceptive Therapy and Sexuality NCT02613039 | University of Florence | Phase 4 |
| Completed | Love, Sex & Choices: A Web Series on Mobile Devices to Reduce Black Women's HIV Risk NCT02493647 | Northeastern University | N/A |
| Completed | Fostering Resilience to Psychosocial and HIV Risk in Indian MSM NCT02556294 | Massachusetts General Hospital | N/A |
| Active Not Recruiting | Fostering Healthy Futures for Teens: An RCT NCT03707366 | University of Denver | N/A |
| Completed | Our Family Our Future: Acceptability and Feasibility Study of a Family Prevention Program for HIV Risk and Dep NCT02432352 | Brown University | Phase 1 |
| Completed | Reducing Obesity Health Disparities in Hispanic Youth NCT03943628 | University of Miami | N/A |
| Completed | The Pelvic Floor Muscles Strength and Sexual Function in Primigravid and Non-pregnant Nulliparous NCT02866292 | Federal University of Uberlandia | — |
| Completed | Reproductive Life Plan-based Counseling With Men NCT02736214 | Uppsala University | N/A |
| Completed | Safe, Healthy, Adolescent Relationships and Peers NCT02420548 | University of Oregon | N/A |
| Completed | Development of a Novel HIV Risk Reduction Intervention for Abused Women NCT02118948 | The Miriam Hospital | N/A |
| Unknown | Impact Evaluation of the Teen Choice Program NCT02059486 | Mathematica Policy Research, Inc. | N/A |
| Unknown | Impact Evaluation of the Wise Guys Program NCT02052830 | Mathematica Policy Research, Inc. | N/A |
| Completed | Impact Evaluation of the Reducing the Risk Program NCT02054026 | Mathematica Policy Research, Inc. | N/A |
| Unknown | Male Reproductive Health of Floating Population: a Large-Scale Survey in Dongguan NCT01901029 | First Affiliated Hospital, Sun Yat-Sen University | — |
| Completed | Replication of Evidence-based Programs NCT03533192 | The University of Texas Health Science Center, Houston | N/A |
| Completed | Evaluation of Haitian American Responsible Teens NCT02674165 | Boston Medical Center | Phase 3 |
| Completed | Healthy Futures Evaluation NCT02554825 | JSI Research & Training Institute, Inc. | N/A |
| Completed | Evaluation of the Teen Outreach Program in Hennepin County, Minnesota NCT02510209 | Abt Associates | N/A |
| Completed | Seek, Test, and Retain. Linkages for Black HIV+, Substance-Using MSM NCT01790360 | Columbia University | N/A |
| Completed | Behavioral Counseling Intervention Trial to Reduce Alcohol-related Sexual Risk Behavior Among HIV-negative Men NCT02359487 | Centers for Disease Control and Prevention | N/A |
| Completed | Evaluation of the Teen Outreach Program in Chicago Public Schools NCT02548871 | Chapin Hall at the University of Chicago | N/A |
| Completed | Alcohol, Marijuana, and Risky Sex: Group Interventions With Detained Adolescents NCT01170260 | University of New Mexico | N/A |
| Completed | Familias Unidas: Preventing Substance Abuse in Hispanic Youth NCT01038206 | University of Miami | Phase 2 / Phase 3 |
| Completed | Evaluation of a Computer-Based System Using Cell Phones for HIV People in Peru NCT01118767 | Universidad Peruana Cayetano Heredia | N/A |
| Completed | Sexuality of Women With Pelvic Cancer NCT04070950 | University Hospital, Bordeaux | — |
| Completed | Reducing HIV Risk in Urban Women: Soap Opera Videos on Video-Capable Cell Phones NCT03330522 | Northeastern University | N/A |
| Completed | Information About HIV Transmission and Circumcision on Subsequent Sexual Behavior, and the Demand for Circumci NCT01895556 | Rebecca Thornton | N/A |
| Completed | Client-Centered Counseling During Routine/Opt-Out HIV-Testing in Uganda NCT02438930 | Susan M. Kiene | N/A |
| Withdrawn | HIV Prevention With Adolescents: Neurocognitive Deficits and Treatment Response NCT01169922 | University of New Mexico | N/A |
| Completed | Development of a Methamphetamine Early Intervention NCT01174654 | University of Washington | Phase 1 / Phase 2 |
| Completed | Adolescent Safer Sex Social Network Intervention NCT00107562 | University of North Carolina, Chapel Hill | N/A |
| Completed | Friendship Based HIV/STI (Sexually Transmitted Infections) Intervention for African American Females NCT00109421 | University of North Carolina, Chapel Hill | N/A |
| Completed | Linking Lives: Building Quality Parent Components for School-Based Health Programs in Middle Schools NCT00136279 | Centers for Disease Control and Prevention | N/A |
| Completed | Employment-based Reinforcement to Motivate Drug Abstinence in the Treatment of Drug Addiction. - 1 NCT00249496 | Johns Hopkins University | N/A |
| Active Not Recruiting | The Community Youth Development Study: A Test of Communities That Care NCT01088542 | University of Washington | N/A |
| Completed | Group Therapies for Reducing HIV-risk Behavior in Women Who Have Survived Childhood Sexual Abuse NCT00220597 | Stanford University | N/A |
| Completed | MEMA Kwa Vijana Trial: Impact of an Adolescent Sexual and Reproductive Health Intervention in Mwanza, Tanzania NCT00248469 | London School of Hygiene and Tropical Medicine | Phase 3 |
| Withdrawn | Effects of Caffeine on Women's Sexual Arousal NCT01242046 | University of Texas at Austin | N/A |