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ClinicalTrials.gov public records Last synced Sep 8, 2026, 12:58 AM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
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Conditions
Acne Vulgaris
Interventions
Doxycycline hyclate (Doryx), Doxycycline hyclate
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
12 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
4
States / cities
Vista, California • Miami, Florida • Louisville, Kentucky + 1 more
Completed Phase 2 Interventional Results available

Treatment of Moderate to Severe Facial Acne Vulgaris

NCT00612573
Conditions
Acne Vulgaris
Interventions
Doxycycline 0.6 mg/kg/day, Doxycycline 1.2 mg/kg/day, Doxycycline 2.4 mg/kg/day, Placebo
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
12 Years to 45 Years
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
23
States / cities
Encino, California • Fremont, California • Los Angeles, California + 20 more
Conditions
Seroma
Interventions
doxycycline, No intervention
Drug · Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Staten Island, New York
Conditions
Central Centrifugal Cicatricial Alopecia (CCCA)
Interventions
Topical steroid class I-II, Triamcinolone Acetonide, Doxycyline, Minoxidil
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oral Contraceptives and Subantimicrobial Doxycycline: Effect on Endometrial Matrix Metalloproteinases

NCT01469585
Conditions
Breakthrough Bleeding
Interventions
Doxycycline
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Honolulu, Hawaii
Conditions
Urogential Chlamydia Trachomatis Infection
Interventions
Doxycyline Hyclate tablet, Vibramycin (doxycyline hyclate) capsule
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
19 Years to 45 Years
Enrollment
495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
43
States / cities
Birmingham, Alabama • Foley, Alabama • Tucson, Arizona + 38 more
Conditions
Severe Acne Vulgaris
Interventions
Adapalene BPO Gel associated with Doxycyline Hyclate, Vehicle Gel associated with Doxycycline Hyclate
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
12 Years to 35 Years
Enrollment
459 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
28
States / cities
Oceanside, California • San Diego, California • Denver, Colorado + 25 more