Trial of Azithromycin vs. Doxycycline for the Treatment of Rectal Chlamydia in MSM
Public ClinicalTrials.gov record NCT03608774. 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 4, Randomized, Double-Blinded, Placebo-Controlled Trial of Azithromycin Versus Doxycycline for the Treatment of Rectal Chlamydia in Men Who Have Sex With Men
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
A clinical trial to compare the efficacy of azithromycin (Arm 1) vs. doxycycline (Arm 2) administered per CDC's STD Treatment Guidelines for rectal Chlamydia trachomatis (CT) in men who have sex with men (MSM). Subjects will be males aged = / \> 18 years with a microbiologically confirmed diagnosis of rectal CT and at least one male sex partner in the past 12 months. The trial will be conducted at two sites in the US and will enroll up to 274 total subjects to achieve 246 subjects who contribute to the primary analysis. The duration of this study will be approximately 16 months 22 months with subject participation duration 29 days. The primary objective of this study is to compare the efficacy of azithromycin vs. doxycycline for treatment of rectal CT infection in MSM based on microbiologic cure (negative NAAT) at Day 29.
Study identification
- NCT ID
- NCT03608774
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 177 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 99 Years
- 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
- Jul 12, 2018
- Primary completion
- Feb 20, 2020
- Completion
- Feb 20, 2020
- Last update posted
- Jan 6, 2021
2018 – 2020
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Fenway Health - The Fenway Institute | Boston | Massachusetts | 02115 | — |
| University of Washington - Harborview Medical Center - Center for AIDS and STD | Seattle | Washington | 98104-2499 | — |
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 NCT03608774, 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 Jan 6, 2021 · Synced Sep 8, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03608774 live on ClinicalTrials.gov.