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ClinicalTrials.gov public records Last synced Oct 30, 2026, 2:36 PM EDT

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Showing 49–72 of 179 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 4 Interventional Results available

ORCA - Oracea® for Rosacea: A Community-based Assessment

NCT00892281
View directory record Official record
Conditions
Rosacea
Interventions
doxycycline (Oracea®) 40 mg modified release as monotherapy, doxycycline (Oracea®) 40 mg modified release as add-on therapy
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
1,421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 25, 2022 · Synced Oct 30, 2026, 2:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Side Effects and Adherence Associated With Doxycycline Use Following Medical Abortion

NCT01799252
View directory record Official record
Conditions
Abortion
Interventions
Not listed
Lead sponsor
Gynuity Health Projects
Other
Eligibility
Female only
Enrollment
582 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
7
States / cities
Atlanta, Georgia • Chicago, Illinois • Ann Arbor, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 4 Interventional Results available

Patient Centered Outcomes in Rosacea: An Exploratory Multi-media Analysis of the Patient Experience on Oracea

NCT01872715
View directory record Official record
Conditions
Papulopustular Rosacea
Interventions
Oracea
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
25 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Carrollton, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 2 Interventional

Study to Evaluate the Safety and Efficacy of Topical Minocycline Gel in Patients With Papulopustular Rosacea

NCT03263273
View directory record Official record
Conditions
Rosacea, Papulopustular Rosacea
Interventions
1% Topical Minocycline Gel, 3% Topical Minocycline Gel, Topical Vehicle Gel
Drug · Other
Lead sponsor
Hovione Scientia Limited
Industry
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
23
States / cities
Bryant, Arkansas • Rogers, Arkansas • Fremont, California + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2019 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Azithromycin/Bicillin Syphilis

NCT00031499
View directory record Official record
Conditions
Syphilis
Interventions
Azithromycin, Benzathine Penicillin, Doxycycline
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
593 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2009
U.S. locations
7
States / cities
Birmingham, Alabama • Indianapolis, Indiana • New Orleans, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2013 · Synced Oct 30, 2026, 2:36 PM EDT
Withdrawn Not applicable Interventional

Doxycycline Versus Standard Care to Prevent Seroma Formation

NCT01188954
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Not applicable Interventional

Teledermatology and Modulation of Antibiotic Dose in Acne Vulgaris

NCT02905851
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Feedback group, Non Feedback group
Other
Lead sponsor
University of California, Davis
Other
Eligibility
15 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 2 Interventional

Skin Rash Study Before Chemotherapy in Colorectal & Head and Neck Cancer Patients

NCT01874860
View directory record Official record
Conditions
Colorectal Cancer, Head and Neck Cancer
Interventions
Doxycycline, Hydrocortisone 1% cream, Sunscreen, Moisturizer, Clindamycin, Medrol-dose pack (Steroid)
Drug · Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 3 Interventional Results available

Management of Etonogestrel Subdermal Implant-related Bleeding

NCT01658995
View directory record Official record
Conditions
ESI-related Bleeding
Interventions
Doxycycline, Placebo
Drug
Lead sponsor
Petra M. Casey
Other
Eligibility
18 Years to 51 Years · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 30, 2026, 2:36 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Improving Clinic Delivery of HIV-related Anal Health Services

NCT07464236
View directory record Official record
Conditions
HIV, Gonorrhea, Chlamydia, Anal Cancer Squamous Cell
Interventions
PEACHES 2.0 Implementation Strategies
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2028 – 2030
U.S. locations
1
States / cities
Biloxi, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Non-Invasive Treatment of Abdominal Aortic Aneurysm Clinical Trial

NCT01756833
View directory record Official record
Conditions
Aneurysm
Interventions
Doxycycline, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
55 Years and older
Enrollment
261 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
22
States / cities
Tucson, Arizona • Los Angeles, California • Stanford, California + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2021 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Doxycycline Monohydrate 25 mg (5mL) Oral Suspension Under Fed Conditions

NCT00829790
View directory record Official record
Conditions
Healthy
Interventions
Doxycycline Monohydrate
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Oct 30, 2026, 2:36 PM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy of Doxycycline in Patients With Non-Ischemic Cardiomyopathy

NCT01935622
View directory record Official record
Conditions
Non-ischemic Cardiomyopathy, Systolic Heart Failure (NYHA II-III)
Interventions
Doxycycline, placebo
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2014 · Synced Oct 30, 2026, 2:36 PM EDT
Not yet recruiting Phase 2 Interventional

Isotretinoin vs. Doxycycline for Acneiform Rash in Patients Receiving Drugs That Target the MAPK Pathway

NCT07629167
View directory record Official record
Conditions
Acneiform Drug Eruption, Acneiform Eruptions
Interventions
Isotretinoin, Doxycycline, Blood specimen collection, Photographs of Rash, Questionnaires, Stool Specimen collection
Drug · Procedure · Other + 1 more
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Years to 39 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Determine the Effect of Administering Periostat(R) Twice Daily on Patients With Acne Rosacea

NCT00041977
View directory record Official record
Conditions
Acne Rosacea
Interventions
doxycycline hyclate 20 mg twice daily
Drug
Lead sponsor
CollaGenex Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
7
States / cities
Gainesville, Florida • Miami, Florida • West Palm Beach, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 30, 2026, 2:36 PM EDT
Recruiting Phase 4 Interventional

Treatment Results for Patients With Central Centrifugal Cicatricial Alopecia (CCCA): a Multicenter Prospective Study

NCT04207931
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 4 Interventional

Hydroxychloroquine and Zinc With Either Azithromycin or Doxycycline for Treatment of COVID-19 in Outpatient Setting

NCT04370782
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine, Azithromycin, Zinc Sulfate, Doxycycline
Drug
Lead sponsor
St. Francis Hospital, New York
Other
Eligibility
30 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 2 Interventional Results available

Effect of Three Periodontal Therapies in Current Smokers and Non-Smokers

NCT00066066
View directory record Official record
Conditions
Periodontitis, Periodontal Diseases
Interventions
Scaling and root planing, Metronidazole, Amoxicillin, Doxycycline
Procedure · Drug
Lead sponsor
The Forsyth Institute
Other
Eligibility
20 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 22, 2013 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Oral and Intestinal Microbiota in Rheumatoid Arthritis (RA)

NCT01198509
View directory record Official record
Conditions
Rheumatoid Arthritis, Psoriatic Arthritis, Periodontal Disease
Interventions
doxycycline, vancomycin
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 70 Years
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2015 · Synced Oct 30, 2026, 2:36 PM EDT
Recruiting Not applicable Interventional

Intrauterine Stent Placement Following Hysteroscopic Septum Resection

NCT07032506
View directory record Official record
Conditions
Intrauterine Adhesion
Interventions
Intraoperative placement of an inflated intrauterine pediatric foley catheter, No Catheter placement, Hormonal Therapy Agent, Oral antibiotics
Procedure · Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older · Female only
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
3
States / cities
Little Rock, Arkansas • New York, New York • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Recruiting Phase 2 Interventional

Doxycycline Use in Post-Operative Seromas

NCT07498010
View directory record Official record
Conditions
Seroma
Interventions
Doxycycline
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 4 Interventional

Ocular Rosacea Biome Study

NCT05296837
View directory record Official record
Conditions
Ocular Rosacea, Antimicrobial Resistance
Interventions
Doxycycline 40 MG ( 20mg twice daily), Doxycycline 200 MG ( 100 mg twice daily), Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 4 Interventional

Doxycycline Effects on Inflammation in Cystic Fibrosis

NCT01323101
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Doxycycline, No doxycycline
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced Oct 30, 2026, 2:36 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Doxycycline, Temozolomide and Ipilimumab in Melanoma

NCT01590082
View directory record Official record
Conditions
Melanoma
Interventions
Doxycycline, Ipilimumab, Temozolomide
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Oct 30, 2026, 2:36 PM EDT