CCTG 595: Text Messaging Intervention to Improve Adherence to PrEP in High-risk MSM
Public ClinicalTrials.gov record NCT01761643. 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
CCTG 595: A Multicenter, Randomized Study of Text Messaging to Improve Adherence to PrEP in Risky MSM
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
CCTG 595 is a controlled, open-label, two-arm, randomized (1:1) clinical demonstration project to determine if the use of a text-message based adherence intervention (iTAB) improves retention and adherence to PrEP compared to standard of care (SoC) PrEP delivery.
Study identification
- NCT ID
- NCT01761643
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 398 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Male
- 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
- Dec 18, 2012
- Primary completion
- Jun 12, 2018
- Completion
- Jul 10, 2018
- Last update posted
- Jun 29, 2020
2012 – 2018
United States locations
- U.S. sites
- 4
- U.S. states
- 1
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| City of Long Beach Department of Health and Human Services | Long Beach | California | 90815 | — |
| University Southern California | Los Angeles | California | 90033 | — |
| University of California, San Diego | San Diego | California | 92103 | — |
| Harbor-UCLA Medical Center | Torrance | California | 90502 | — |
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 NCT01761643, 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 Jun 29, 2020 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01761643 live on ClinicalTrials.gov.