Project Matter: Intervention to Improve HIV Self-care Among Men Who Have Sex With Men (MSM) With Substance Use Disorders
Public ClinicalTrials.gov record NCT03899220. 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
Addressing Internalized Stigma and Shame as Barriers to Engagement in HIV Care Among Men Who Have Sex With Men (MSM) With Substance Use Disorders (Project Matter)
Study identification
- NCT ID
- NCT03899220
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Massachusetts General Hospital
- Other
- Enrollment
- 50 participants
Conditions and interventions
Conditions
Interventions
- Project Matter Behavioral
Behavioral
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Male
- 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
- Apr 23, 2019
- Primary completion
- May 29, 2023
- Completion
- Nov 30, 2025
- Last update posted
- Dec 7, 2025
2019 – 2025
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Fenway Community Health | Boston | Massachusetts | 02215 | — |
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 NCT03899220, 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 Dec 7, 2025 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03899220 live on ClinicalTrials.gov.