- Conditions
- Gonorrhea, Chlamydia, Syphilis, Sexually Transmitted Infections (STIs)
- Interventions
- Doxycycline hyclate delayed released 200 mg, Doxycycline hyclate delayed released 200 mg weekly, Per standard of care with quarterly STI testing/treatment and sexual health counseling
- Drug · Other
- Lead sponsor
- Westat
- Other
- Eligibility
- 13 Years to 29 Years · Female only
- Enrollment
- 760 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 13
- States / cities
- Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–3
of 3
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Sexually Transmitted Infection
- Interventions
- Single-Dose PK Phase - DR Group, Single-Dose PK Phase - IR Group, Multi-Dose PK Phase - Daily Group, Multi-Dose PK Phase - Intermittent Group
- Drug
- Lead sponsor
- HIV Prevention Trials Network
- Network
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Gonorrhea, Chlamydia, Syphilis
- Interventions
- Doxycycline Hyclate Delayed-Release 200 mg
- Drug
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 641 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2023
- U.S. locations
- 3
- States / cities
- San Francisco, California • Seattle, Washington