| Recruiting | Gathering Online for Dialogue and Discussion to Enhance Social Support NCT05753683 | RTI International | N/A |
| Suspended | HIV/STD Risk and PrEP Implementation Messaging Among Gay, Bisexual, and Other Men Who Have Sex With Men NCT06183502 | Emory University | — |
| Completed | Improving HIV Prevention Among Heterosexual Men Seeking STI Services in Malawi NCT06200545 | HIV Prevention Trials Network | N/A |
| Recruiting | Optimizing the Floreciendo Sexual and Reproductive Health Workshop for Latina Teens and Female Caregivers: A P NCT06223165 | University of Illinois at Chicago | N/A |
| Completed | Technology-based Training Tool for PHAT Life NCT05339412 | Oregon Research Behavioral Intervention Strategies, Inc. | N/A |
| Recruiting | Evaluation of the SafeSpace App Intervention NCT06043596 | Child Trends | N/A |
| Completed | Rapid Diagnostic Assay for Gonorrhea and Chlamydia NCT05564299 | Massachusetts General Hospital | N/A |
| Completed | Reducing Disparities in Rural HIV Prevention NCT05319613 | University of Colorado, Denver | N/A |
| Completed | A Comprehensive HIV Prevention Package for South African Adolescent Girls and Young Women NCT04758390 | University of Illinois at Chicago | N/A |
| Completed | Transgender Men and HIV in Uganda: PrEP Uptake and Persistence NCT04867798 | Makerere University | — |
| Completed | Optimizing a Multi-Modal Intervention to Reduce Health-Risking Sexual Behaviors: Component Selection NCT04661566 | Uniformed Services University of the Health Sciences | N/A |
| Completed | A Pragmatic Trial to Expand Youth-friendly HIV Self-testing NCT04710784 | Washington University School of Medicine | N/A |
| Completed | Uptake of Medical Male Circumcision Among Men With Sexually Transmitted Infections NCT04677374 | University of North Carolina, Chapel Hill | N/A |
| Completed | STI/HIV Intervention Behavioral Intervention Program NCT04547413 | Madigan Army Medical Center | N/A |
| Unknown | Peer-Delivered HIV Self-Testing, STI Self-Sampling and PrEP for Transgender Women in Uganda NCT04328025 | Makerere University | N/A |
| Completed | Oral Doxycycline for the Prevention of Syphilis in Men Who Have Sex with Men (DaDHS) NCT02864550 | British Columbia Centre for Disease Control | Phase 4 |
| Completed | Project PRIDE (Promoting Resilience In Discriminatory Environments) NCT03528135 | University of Houston | N/A |
| Terminated | Healthy Relationships and Economic Pathways NCT03519191 | Public Health Institute, California | N/A |
| Completed | Performance of Nucleic Acid Amplification Tests for the Detection of NG and CT NCT02870101 | Duke University | N/A |
| Completed | Brief HIV Prevention Counseling for STI Patients in South Africa NCT01242501 | University of Connecticut | N/A |
| Completed | Multimedia WORTH With Black Drug-Involved Women on Probation NCT02391233 | Columbia University | N/A |
| Completed | Acute Partner and Social Contact Referral: iKnow NCT02467439 | University of North Carolina, Chapel Hill | N/A |
| Completed | Connecting Healthy Women: Examining the Effect of an Intervention From the Effect of Being Reachable NCT02157168 | University of Arizona | N/A |
| Unknown | STI Prevention Program for Entertainment Establishments in Singapore NCT02780986 | National University of Singapore | N/A |
| Completed | Improvement of STI Detection in Adolescent Emergency Department Patients NCT02509572 | Children's National Research Institute | N/A |
| Completed | Economic and Social Empowerment To Increase Upwards Mobility Among Women NCT02266108 | University of California, San Diego | N/A |
| Unknown | Impact Evaluation of the Wise Guys Program NCT02052830 | Mathematica Policy Research, Inc. | N/A |
| Completed | Microfinance and Health Intervention Trial for Youth in Dar es Salaam, Tanzania NCT01865383 | University of North Carolina, Chapel Hill | N/A |
| Completed | Multicomponent Intervention to Reduce Sexual Risk and Substance Use NCT01880489 | Hunter College of City University of New York | N/A |
| Completed | Connecting Resources for Urban Sexual Health NCT02183909 | University of California, San Francisco | N/A |
| Completed | Contraceptive Awareness and Reproductive Education NCT01627574 | University of Rhode Island | N/A |
| Completed | e-SiHLE: An Internet Pregnancy Prevention for Older Teenage Girls NCT01579617 | Tulane University Health Sciences Center | N/A |
| Unknown | Mobile Phone Text Messaging Referral NCT01746758 | Liverpool School of Tropical Medicine | N/A |
| Completed | Connect 'n Unite: Couples-Based HIV/STI Prevention for Drug-Involved, Black MSM NCT01394900 | Columbia University | N/A |
| Completed | Teen Video Study to Reduce Risky Driving and Sexual Behavior in Adolescents NCT02049710 | Carnegie Mellon University | N/A |
| Completed | Emerging Adults Who Use Alcohol and Marijuana NCT01473719 | Butler Hospital | Phase 3 |
| Completed | An Evaluation of Pono Choices: A Culturally Responsive Teen Pregnancy and STI Prevention Program NCT02612324 | University of Hawaii | N/A |
| Completed | Evaluation of the Effectiveness of the POWER Through Choices Program NCT01565304 | Mathematica Policy Research, Inc. | N/A |
| Completed | Sexually Transmitted Infections Among African American Women Who Have Sex With Women NCT01546714 | University of Alabama at Birmingham | — |
| Completed | Improving Sexually Transmitted Infection (STI) Results Notification and Partner Services NCT01938053 | Children's Hospital Medical Center, Cincinnati | N/A |
| Completed | Randomized Control Trial of Family-Based HIV Prevention for Latinos NCT01635335 | University of South Florida | Phase 2 |
| Completed | A Web-based Intervention Study to Reduce High-risk Sexual Behavior by Persons Living With HIV AIDS (PLWH) NCT01198418 | University of California, San Diego | N/A |
| Completed | HIV Rapid Testing & Counseling in Sexually Transmitted Disease (STD) Clinics in the U.S. NCT01154296 | Columbia University | N/A |
| Unknown | Comparative Effectiveness of Web-based Versus Traditional Adolescent HIV Prevention NCT01142882 | National Development and Research Institutes, Inc. | N/A |
| Completed | Intermittent Preventive Treatment With Azithromycin-containing Regimens in Pregnant Women in Papua New Guinea NCT01136850 | University of Melbourne | Phase 3 |
| Completed | The Multimedia HIV/STI Prevention for Drug-Involved Female Offenders NCT01784809 | Columbia University | Phase 2 |
| Completed | STI/HIV Prevention Intervention for Adolescents in Singapore NCT02461940 | National University of Singapore | N/A |
| Unknown | Addressing Proven Factors in HIV Prevention for Latino Youth NCT01633879 | Education Development Center, Inc. | Phase 2 / Phase 3 |
| Completed | Peer Groups for Healthy Pregnancy & HIV Prevention for Young Malawian Women NCT02882607 | University of Illinois at Chicago | N/A |
| Completed | HIV Prevention Program for African American Teen Males NCT00849823 | Richard Crosby | N/A |
| Completed | Sexually Transmitted Infections Among African American Women Who Have Sex With Women NCT01043081 | University of Mississippi Medical Center | — |
| Completed | Effectiveness of Community-Level Behavioral and Biomedical Interventions for Reducing HIV/STIs in Men in Peru NCT00670163 | University of California, Los Angeles | N/A |
| Completed | 62% & 15% Ethanol in Emollient Gel as Topical Male Microbicides NCT00469547 | University of Washington | Phase 1 |
| Completed | Parental Knowledge and Attitudes of Confidential Sexually Transmitted Infections (STI) Services for Teens NCT01144871 | University of California, San Francisco | — |
| Completed | Utilization of HIV Clinical Services in Rural India NCT00554567 | Institute of Health Management, Pachod, India | Phase 3 |
| Completed | Evaluation of the Healthy Love Workshop, an HIV Prevention Intervention for African American Women NCT00362375 | Centers for Disease Control and Prevention | Phase 1 / Phase 2 |
| Completed | Evaluation of Counseling for Partner Notification NCT01060839 | International Centre for Diarrhoeal Disease Research, Bangladesh | Phase 1 / Phase 2 |
| Completed | Brief Intervention and/or Distribution of Free Condoms for Travelers NCT01056536 | University of Lausanne Hospitals | N/A |
| Completed | HIV/STI Prevention for Drug-Involved Couples NCT01285349 | Columbia University | N/A |
| Completed | Urogenital Schistosomiasis and Sexually Transmitted Infections in Madagascar NCT00713999 | University of Aarhus | N/A |
| Completed | To Compare the Strategies of Universal Antibiotic Prophylaxis Versus Screen-and-treat in Reducing Infective Co NCT01842100 | The University of Hong Kong | N/A |