Naltrexone for Overdose Prevention
Public ClinicalTrials.gov record NCT06633900. 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
Extended-Release Naltrexone as Opioid Overdose Pre-Exposure Prophylaxis (PrEP) in People Using Stimulants Living With or At Risk of HIV
Study identification
- NCT ID
- NCT06633900
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Lead sponsor
- University of California, San Francisco
- Other
- Enrollment
- 100 participants
Conditions and interventions
Conditions
Interventions
- IM naltrexone Drug
- Usual Care Behavioral
Drug · Behavioral
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- 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
- Apr 9, 2025
- Primary completion
- Apr 14, 2027
- Completion
- Apr 14, 2027
- Last update posted
- Apr 30, 2026
2025 – 2027
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Center on Substance Use and Health | San Francisco | California | 94102 | 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 NCT06633900, 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 Apr 30, 2026 · Synced May 1, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06633900 live on ClinicalTrials.gov.