Pharmacokinetic and Safety Study of a 90 Day Intravaginal Ring Containing Tenofovir
Public ClinicalTrials.gov record NCT03670355. 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
A Phase 1, Randomized Pharmacokinetic and Safety Study of a 90 Day Intravaginal Ring Containing Tenofovir
Study identification
- NCT ID
- NCT03670355
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Enrollment
- 49 participants
Conditions and interventions
Conditions
Interventions
- Tenofovir (TFV) IVR Drug
- Placebo IVR Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 45 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 1, 2019
- Primary completion
- Sep 24, 2019
- Completion
- Sep 24, 2019
- Last update posted
- Nov 12, 2025
2019
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Alabama CRS | Birmingham | Alabama | 35294 | — |
| Bridge HIV CRS | San Francisco | California | 94143 | — |
| University of Pittsburgh CRS | Pittsburgh | Pennsylvania | 15213 | — |
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 NCT03670355, 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 Nov 12, 2025 · Synced Jun 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03670355 live on ClinicalTrials.gov.