| Not Yet Recruiting | Integrated Care Versus Usual Care for Opioid Use Disorder and Infectious Diseases in Veterans NCT06766331 | VA Office of Research and Development | N/A |
| Not Yet Recruiting | Improving Clinic Delivery of HIV-related Anal Health Services NCT07464236 | Albert Einstein College of Medicine | N/A |
| Not Yet Recruiting | Evaluation of Free STI Testing Pilot Projects in Lucerne and Zurich, Switzerland NCT07516912 | University of Zurich | — |
| Not Yet Recruiting | Doxycycline Prophylaxis for Prevention of Sexually Transmitted Infections NCT06738407 | Westat | Phase 4 |
| Recruiting | Doxi-Rio: Study on the Use of Doxycycline to Prevent Sexually Transmitted Infections in Rio de Janeiro NCT07500415 | Oswaldo Cruz Foundation | N/A |
| Recruiting | The Efficacy of Doxycycline Post Exposure Prophylaxis for Preventing STIs Among MSM in Bangkok, Thailand. NCT07397403 | Bangrak STIs Center | Phase 4 |
| Recruiting | Assessing Acceptability and Feasibiity of STI Self-swab Testing, to be Offered at the Time of Telemed Medicati NCT06951438 | Queen's Medical Center | N/A |
| Recruiting | Superiority of On-demand PrEP Versus PEP on Using Doxycycline for Preventing STI in MSM NCT06188442 | Chinese University of Hong Kong | Phase 4 |
| Not Yet Recruiting | A Seek, Test, and Treat Intervention to Reduce Chlamydia Trachomatis Disparities NCT06428643 | Tulane University | N/A |
| Active Not Recruiting | BIYELA - Bexsero Immunisation in Young Women in Africa NCT06446752 | University of Washington | Phase 3 |
| Completed | Zenyth: Motivational Interviewing-based Telehealth Intervention for Bacterial Sexually Transmitted Infection S NCT06100250 | University of Michigan | N/A |
| Not Yet Recruiting | Susceptibility Testing In Neisseria Gonorrhoeae (STING) Study, Assessing the Performance of a New Rapid Test f NCT06352554 | SpeeDx Pty Ltd | — |
| Completed | Combination Primary Care and Prevention Services for Women Who Inject Drugs and Exchange Sex in Seattle, Washi NCT06187064 | University of Washington | N/A |
| Completed | Screening With Tampons: Evaluating Diagnostic Accuracy and HPV and Assessing Participant Views NCT06154239 | Anne's Day Ltd | N/A |
| Unknown | Meatal Swab Yourself With Testing for Infections Collectively NCT05870098 | The Leeds Teaching Hospitals NHS Trust | N/A |
| Active Not Recruiting | Efficacy Trial on Meningococcal B Vaccine for Preventing Gonorrhea Infections NCT05766904 | Chinese University of Hong Kong | Phase 3 |
| Completed | A Study to Learn About How Trumenba Vaccine Shots Work Against Gonorrhea Infection in Teenagers and Young Adul NCT05873751 | Pfizer | — |
| Completed | Pay-it-forward Gonorrhea and Chlamydia Testing Among Men in China NCT05723263 | University of North Carolina, Chapel Hill | N/A |
| Unknown | Extraordinarily Fun Training Project in Compulsory Secondary Education - Sexually Transmitted Infections NCT05727033 | Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina | N/A |
| Completed | Point of Care Rapid STI Test Optimization and Validation Extension NCT06566677 | Wits RHI Research Centre Clinical Research Site | — |
| Completed | Investigating Point-of-care Diagnostics for Sexually Transmitted Infections and Antimicrobial Resistance in Pr NCT05541081 | London School of Hygiene and Tropical Medicine | N/A |
| Unknown | Effectiveness of Relationship Education for Reducing HIV Incidence Among SGM NCT05678556 | Northwestern University | N/A |
| Completed | OptiGon - Optimising Laboratory Assays for Immune Responses to Gonococcus NCT05613725 | University of Oxford | — |
| Unknown | Gonorrhoea Resistance Assessment by Nucleic Acid Detection (GRANDII) NCT04268342 | The University of Queensland | N/A |
| Completed | Antibacterial Mouthwash for Pharyngeal Gonorrhea Prevention NCT04966507 | University of California, Los Angeles | Phase 2 |
| Completed | Gonococcal Vaccine Study in Key Populations in Kenya NCT04297436 | University of Oxford | N/A |
| Completed | Response Rate to Ceftriaxone 1g IM in Gonorrhoea : a French Retrospective Monocentric Study NCT04902560 | University Hospital, Montpellier | — |
| Completed | Cefixime Plus Doxycycline Compared to Ceftriaxone Plus Azithromycin for Treatment of Gonorrhoea NCT06090565 | Bulovka Hospital | Phase 4 |
| Unknown | Immunisation for Adolescents Against Serious Communicable Diseases (B Part of it NT) NCT04398849 | University of Adelaide | — |
| Completed | Antenatal Chlamydia Trachomatis and Neisseria Gonorrhoeae Testing to Prevent Adverse Neonatal Consequences NCT04955717 | University of Southern California | N/A |
| Completed | Penetration of the Innovative Antibiotic Gepotidacin Into Prostate and Tonsillar Tissue NCT04484740 | Institut National de la Santé Et de la Recherche Médicale, France | Phase 1 |
| Completed | Evaluation of EVO100 for Prevention of Urogenital Chlamydia Trachomatis and Neisseria Gonorrhoeae Infection NCT04553068 | Evofem Inc. | Phase 3 |
| Completed | Adolescent Sexually Transmitted Infection Screening in the Emergency Department NCT03715335 | Children's Hospital Medical Center, Cincinnati | N/A |
| Recruiting | Vienna HIV Infection Via Sex Study NCT05326061 | Medical University of Vienna | — |
| Completed | Pre-exposure Prophylaxis: A Miracle Drug or a Moral Hazard NCT04325555 | New York University | — |
| Completed | Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users an NCT03980223 | University of California, San Francisco | Phase 4 |
| Completed | Zoliflodacin in Uncomplicated Gonorrhoea NCT03959527 | Global Antibiotics Research and Development Partnership | Phase 3 |
| Completed | A Study Evaluating Efficacy and Safety of Gepotidacin Compared With Ceftriaxone Plus Azithromycin in the Treat NCT04010539 | GlaxoSmithKline | Phase 3 |
| Completed | A Pragmatic Trial of Two Strategies for Implementing an Effective eHealth HIV Prevention Program (Keep It Up! NCT03896776 | Northwestern University | N/A |
| Completed | Aztreonam for Pharyngeal Gonorrhea NCT03867734 | University of Washington | Phase 2 / Phase 3 |
| 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 | Study to Investigate Effect of Food and Safety of a New Formulation of Zoliflodacin NCT03718806 | Drugs for Neglected Diseases | Phase 1 |
| Completed | Online HIV Prevention for Young Male Couples NCT03284541 | Northwestern University | Phase 2 |
| Completed | New AntiBiotic Treatment Options for Uncomplicated Anogenital GOnorrhoea NCT03294395 | Public Health Service of Amsterdam | Phase 3 |
| Completed | Randomized Trial of an HIV Prevention and Relationship Education Program for Young Male Couples NCT03186534 | Northwestern University | Phase 2 |
| Completed | MAMAS: Mentoring Adolescent Mothers at School NCT03090802 | Drexel University | N/A |
| Completed | Check it: A New Approach to Controlling Chlamydia Transmission in Young People NCT03098329 | Tulane University | N/A |
| Completed | Evaluation of the Atlas Genetics io® CTNG System NCT03071510 | Binx Health Limited | — |
| Terminated | Clinical Evaluation of the Aptima® Combo 2® Assay Using the Panther® System in Female Urine Samples NCT02795975 | Hologic, Inc. | — |
| Completed | Multimedia WORTH With Black Drug-Involved Women on Probation NCT02391233 | Columbia University | N/A |
| Completed | A Study Evaluating Efficacy and Safety of CRO-SBT in the Treatment of Gonorrhea NCT04202068 | Xiangbei Welman Pharmaceutical Co., Ltd | Phase 4 |
| Completed | Texting Intervention to Sustain HIV Prevention in Women in High-drug-use Contexts NCT02447484 | University of California, San Diego | N/A |
| Completed | Trial of an Adapted STD Screening and Risk Reduction Intervention NCT02513225 | Johns Hopkins Bloomberg School of Public Health | N/A |
| Completed | A Dose-Ranging Study Evaluating the Efficacy, Safety, and Tolerability of GSK2140944 in the Treatment of Uncom NCT02294682 | GlaxoSmithKline | Phase 2 |
| Completed | Gonorrhea and Chlamydia HIV-infected Men Who Have Sex With Men NCT02019771 | University of Nebraska | — |
| Completed | Detection of Chlamydia (CT) and Gonorrhea (NG) NCT02055742 | Meridian Bioscience, Inc. | — |
| Terminated | Comparison of Delafloxacin Versus Ceftriaxone for the Treatment of Uncomplicated Gonorrhea NCT02015637 | Melinta Therapeutics, Inc. | Phase 3 |
| Completed | Cepheid Rectal Sample Validation Study NCT02099760 | University of Pittsburgh | — |
| Completed | Implementation of a Sexual Health Intervention for Young Men Who Have Sex With Men (MSM) in Two Vietnamese Cit NCT02122094 | National Development and Research Institutes, Inc. | N/A |
| Completed | Keep It Up! 2.0: A Comparison of Two Online HIV Intervention Programs for Young Men Who Have Sex With Men NCT01836445 | Northwestern University | N/A |
| Terminated | Prospective Collection of Female Specimens for Testing With Gen-Probe APTIMA (Registered Trademark) Assays NCT01728103 | Gen-Probe, Incorporated | — |
| Completed | Safer Sex Program for Young African-American Men NCT01439503 | Richard Crosby | Phase 2 |
| Completed | Expedited Partner Therapy for MSM in Peru NCT01720654 | University of California, Los Angeles | N/A |
| Completed | Prospective Collection of Female and Male Specimens for PANTHER® System Testing NCT01638637 | Gen-Probe, Incorporated | — |
| Withdrawn | Project AWARE: Using the Emergency Department (ED) to Prevent Sexually Transmitted Infections (STIs) in Youth NCT01195220 | North Bronx Healthcare Network | N/A |
| Completed | Implementation of an Efficacious Intervention for High Risk Women in Mexico NCT01465607 | University of California, San Diego | N/A |
| Completed | Computer-Assisted Self-Interviews and Health Screening in the Pediatric Emergency Department NCT01708317 | Washington University School of Medicine | N/A |
| Terminated | Multi-center Evaluation of the VERSANT® CT/GC DNA 1.0 Assay (kPCR)in Detecting C. Trachomatis and N. Gonorrhoe NCT01167777 | Siemens Healthcare Diagnostics Inc | — |
| Completed | Randomized Trial of Home Versus Clinic-Based STD Testing NCT01654991 | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | N/A |
| Completed | A Validation Study for Detecting Chlamydia and Gonorrhea in Rectal Samples NCT00827697 | University of Pittsburgh | — |
| Completed | Antimicrobial Susceptibility Patterns of N. Gonorrhea Isolates in an Era of Quinolone Resistance NCT00692822 | University of Florida | — |
| Completed | Washington State Community Expedited Partner Treatment (EPT) Trial NCT01665690 | University of Washington | Phase 4 |
| Completed | Effectiveness of HIV/Sexually Transmitted Infection Training for Physicians in China NCT00644150 | University of California, Los Angeles | N/A |
| Completed | Evaluation of NAATs for Detection of C. Trachomatis and N. Gonorrhoeae From Pharynx, Rectum, Glans & Urethra o NCT00187902 | University of California, San Francisco | — |
| Completed | Trial to Evaluate PRO 2000/5 Gels for the Prevention of Vaginally Acquired HIV Infection NCT00262106 | Endo Pharmaceuticals | Phase 3 |
| Completed | Risk Assessment of Long-Haul Truck Drivers NCT00381992 | Wake Forest University Health Sciences | — |
| Terminated | Cellulose Sulfate (CS) Gel and HIV in Nigeria NCT00120770 | FHI 360 | Phase 3 |
| Completed | Lay Health Advisors for Sexually Transmitted Disease Prevention NCT00207506 | Centers for Disease Control and Prevention | Phase 1 / Phase 2 |
| Unknown | Trial of Male Circumcision: HIV, Sexually Transmitted Disease (STD) and Behavioral Effects in Men, Women and t NCT00124878 | Wawer, Maria J., M.D. | Phase 3 |
| Completed | Nucleic Acid Amplification Tests (NAATs) for the Diagnosis of Pharyngeal and Rectal Chlamydia and Gonorrhea In NCT00252096 | Centers for Disease Control and Prevention | N/A |
| Completed | Home Screening for Chlamydia Surveillance NCT00177437 | University of Pittsburgh | Phase 3 |
| Completed | Randomized Trial of Home Versus Clinic-based Screening for Sexually Transmitted Infections NCT01184157 | Washington University School of Medicine | N/A |