Doxycycline Prophylaxis for Prevention of Sexually Transmitted Infections
Public ClinicalTrials.gov record NCT06738407. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Doxycycline Prophylaxis for Prevention of Sexually Transmitted Infections Among Adolescent and Young Adult Females in the United States
Study identification
- NCT ID
- NCT06738407
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Westat
- Other
- Enrollment
- 760 participants
Conditions and interventions
Interventions
- Doxycycline hyclate delayed released 200 mg Drug
- Doxycycline hyclate delayed released 200 mg weekly Drug
- Per standard of care with quarterly STI testing/treatment and sexual health counseling Other
Drug · Other
Eligibility (public fields only)
- Age range
- 13 Years to 29 Years
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 26, 2026
- Primary completion
- Jun 14, 2028
- Completion
- Jun 14, 2028
- Last update posted
- May 14, 2026
2026 – 2028
United States locations
- U.S. sites
- 13
- U.S. states
- 12
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCLA Care | Los Angeles | California | 90095 | Not yet recruiting |
| San Francisco Department of Public Health | San Francisco | California | 94102 | Recruiting |
| Children's National Medical Center | Washington D.C. | District of Columbia | 20010 | Recruiting |
| University of Florida | Tampa | Florida | 33612 | Recruiting |
| Ponce de Leon | Atlanta | Georgia | 30303 | Not yet recruiting |
| University Illinois Chicago | Chicago | Illinois | 60612 | Recruiting |
| Tulane University | New Orleans | Louisiana | 70112 | Not yet recruiting |
| Johns Hopkins University | Baltimore | Maryland | 21287 | Not yet recruiting |
| Harlem Prevention Center | New York | New York | 10027 | Not yet recruiting |
| Chapel Hill | Chapel Hill | North Carolina | 27599 | Not yet recruiting |
| Penn Prevention | Philadelphia | Pennsylvania | 19104 | Not yet recruiting |
| St. Jude Children's Research Hospital | Memphis | Tennessee | 38015 | Recruiting |
| Baylor College of Medicine | Houston | Texas | 77030 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06738407, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 14, 2026 · Synced May 19, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06738407 live on ClinicalTrials.gov.