CI

At a glance

ClinicalIndex Comparison Record
Phase 4Completed· 177 enrolled
Drug / intervention
Azithromycin +2 moredrug
Likely dose
Azithromycin 250 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03608774
NCT03608774Phase 4Completed

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

National Institute of Allergy and Infectious Diseases (NIAID)·interventional·Posted Aug 1, 2018·Updated Jan 7, 2021

In Brief

A Phase 4 clinical trial evaluating Azithromycin, Doxycycline, and 1 other intervention for Anal Chlamydia Infection. Completed, enrolled 177 participants across 2 sites.

Detailed Summary

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 Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 4CompletedFinished
20192020202120222023202420252026
First PostedAug 1, 2018
Enrollment StartJul 13, 2018
Primary CompletionFeb 21, 2020
TodayJul 2, 2026
Enrollment to primary: 1.6 yearsPosted 7.9 years ago

Interventions

Azithromycindrug

Azithromycin monohydrate is a macrolide antibacterial drug, FDA-approved in the US for the treatment of Chlamydia trachomatis (CT) in dose 1 gram (4 capsules of 250 mg), administered orally as a single dose.

Doxycyclinedrug

Doxycycline hyclate is an antibacterial drug synthetically derived from oxytetracycline, FDA-approved in the US for the treatment of Chlamydia trachomatis (CT) as a course of 100 mg (1 capsule), administered orally twice daily for 7 days.

Placeboother

Azithromycin placebo (4 capsules), administered orally as a single dose; Doxycycline placebo (1 capsule), administered orally twice daily for 7 days.