Completed PHASE2 INTERVENTIONAL 4-arm NCT00612573

Treatment of Moderate to Severe Facial Acne Vulgaris

Phase 2 Study Randomized, Double-blind Study to Evaluate the Safety and Efficacy of 3 Doses of Doxycycline as Compared to Placebo in the Treatment of Moderate to Severe Facial Acne Vulgaris

Sponsor: Warner Chilcott

Conditions Acne Vulgaris

Interventions Doxycycline 0.6 mg/kg/day Doxycycline 1.2 mg/kg/day Doxycycline 2.4 mg/kg/day Placebo

Updated 9 times since 2017 Last updated: Apr 15, 2013 Started: Feb 29, 2008 Primary completion: Nov 30, 2008 Completion: Dec 31, 2008

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates Acne Vulgaris and is currently completed. Warner Chilcott leads this study, which shows 9 recorded versions since 2008 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

9 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE2
Sep 2024 — Sep 2025 [monthly]

Completed PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE2
Jan 2023 — Jul 2024 [monthly]

Completed PHASE2
Dec 2022 — Jan 2023 [monthly]

Completed PHASE2

▶ Show 4 earlier versions

Jan 2021 — Dec 2022 [monthly]

Completed PHASE2
Jun 2018 — Jan 2021 [monthly]

Completed PHASE2
Feb 2017 — Jun 2018 [monthly]

Completed PHASE2
Jan 2017 — Feb 2017 [monthly]

Completed PHASE2

First recorded

Feb 2008

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Warner Chilcott

Data source: Warner Chilcott

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Albuquerque, United States , Austin, United States , Broomall, United States , Cincinnati, United States , Clinton Township, United States , College Station, United States , Dallas, United States , Denver, United States , Encino, United States , Fort Washington, United States and 13 more locations