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ClinicalTrials.gov public records Last synced Oct 6, 2026, 1:05 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 121–144 of 178 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Doxycycline (Oracea) Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Fasting Study of Doxycycline Monohydrate Tablets 100 mg and Adoxa Tablets 100 mg

NCT00649571
View directory record Official record
Conditions
Healthy
Interventions
Doxycycline Monohydrate Tablets (100 mg, Adoxa Tablets 100 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Oct 6, 2026, 1:05 AM EDT
Not yet recruiting Phase 3 Interventional Accepts healthy volunteers

Duo: A Phase IIIb Individual-Level Randomized Controlled Trial of an Integrated Strategy

NCT07658976
View directory record Official record
Conditions
HIV Infection, Sexually Transmitted Infection
Interventions
HIV PrEP - choice of F/TDF, F/TAF, or CAB-LA, STI PEP - Doxycycline as Doxy-PEP, 3P mHealth package, Handout about HIV PrEP options available at the site, Standard-of-care HIV PrEP counseling from qualified study staff
Drug · Behavioral
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
18 Years to 29 Years · Male only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Los Angeles, California • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study of Continuous Oral Contraceptives and Doxycycline

NCT00480532
View directory record Official record
Conditions
Contraceptives, Oral
Interventions
Lybrel, Doxycycline, Oracea, Placebo, Doxycycline 100bid x5 days at the time of bleeding, Subantimicrobial doxycycline daily, placebo daily
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
2
States / cities
Honolulu, Hawaii • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 22, 2014 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 3 Interventional

A Randomized, Double-Blind, Placebo-Controlled, Multicenter Trial of the Safety and Efficacy of Ceftriaxone and Doxycycline in the Treatment of Patients With Seropositive Chronic Lyme Disease

NCT00001101
View directory record Official record
Conditions
Lyme Disease
Interventions
ceftriaxone, doxycycline
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 1 Interventional

Tetracycline-Derivatives for Treatment of Cerebral Arteriovenous Malformations and Aneurysms

NCT00243893
View directory record Official record
Conditions
Aneurysms, Arteriovenous Malformations
Interventions
minocycline, doxycycline
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years to 80 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2013 · Synced Oct 6, 2026, 1:05 AM EDT
Terminated Early Phase 1 Interventional

Patients Response to Early Switch To Oral:Osteomyelitis Study

NCT02099240
View directory record Official record
Conditions
Osteomyelitis
Interventions
oral antibiotics, intravenous antibiotics
Drug · Procedure
Lead sponsor
Julio Ramirez
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 6, 2021 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 3 Interventional Results available

Treatment of Chlamydia Infection Comparing WC2031 Tablets With Vibramycin

NCT01113931
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 27, 2012 · Synced Oct 6, 2026, 1:05 AM EDT
Not listed Early Phase 1 Interventional

CTCL Directed Therapy

NCT03116659
View directory record Official record
Conditions
Lymphoma, T-Cell, Cutaneous
Interventions
Doxycycline, Imiquimod
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
30 Years to 89 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Oct 6, 2026, 1:05 AM EDT
Active, not recruiting Phase 1 Interventional

Pembrolizumab With Intratumoral Injection of Clostridium Novyi-NT

NCT03435952
View directory record Official record
Conditions
Malignant Neoplasm of Breast, Malignant Neoplasms of Digestive Organs, Malignant Neoplasms of Eye Brain and Other Parts of Central Nervous System, Malignant Neoplasms of Female Genital Organs, Malignant Neoplasms of Ill-defined Secondary and Unspecified Sites, Malignant Neoplasms of Independent (Primary) Multiple Sites, Malignant Neoplasms of Lip Oral Cavity and Pharynx, Malignant Neoplasms of Male Genital Organs, Malignant Neoplasms of Mesothelial and Soft Tissue, Malignant Neoplasms of Respiratory and Intrathoracic Organs, Malignant Neoplasms of Thyroid and Other Endocrine Glands, Malignant Neoplasms of Urinary Tract
Interventions
Pembrolizumab, Clostridium Novyi-NT, Doxycycline
Drug · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Safety and Efficacy Study to Compare Two Rosacea Treatment Regimens

NCT00495313
View directory record Official record
Conditions
Rosacea
Interventions
doxycycline
Drug
Lead sponsor
CollaGenex Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
7
States / cities
Omaha, Nebraska • Las Vegas, Nevada • Arlington, Texas + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2008 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 3 Interventional Results available

A Study to Assess the Safety, Efficacy and Tolerability of Oral DFD-29 Capsules for the Treatment of Rosacea (MVOR-2)

NCT05343455
View directory record Official record
Conditions
Papulopustular Rosacea
Interventions
DFD-29, Doxycycline, Placebo
Drug
Lead sponsor
Journey Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
15
States / cities
Santa Monica, California • Doral, Florida • Miami, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 2 Interventional Results available

Topical NanoDox® for Atopic Dermatitis

NCT02910011
View directory record Official record
Conditions
Dermatitis, Atopic
Interventions
Nanodox 1% (doxycycline monohydrate hydrogel)
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 6, 2026, 1:05 AM EDT
Terminated Phase 3 Interventional Results available

D-PLEX 302: Efficacy and Safety of D-PLEX in the Prevention of Sternal Infection Post Cardiac Surgery

NCT03558984
View directory record Official record
Conditions
Surgical Site Infection, Sternal Infection, Cardiac Surgery
Interventions
D-PLEX, Standard of Care
Drug · Other
Lead sponsor
PolyPid Ltd.
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Rochester, Minnesota • Huston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Withdrawn Phase 3 Interventional

Efficacy and Safety of Rituximab Combined With Omalizumab in Patients With Bullous Pemphigoid

NCT04128176
View directory record Official record
Conditions
Bullous Pemphigoid
Interventions
Rituximab combined with Omalizumab
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 3 Interventional Results available

Combination Antibiotic Treatment for Reactive Arthritis Caused by Chlamydia Bacteria

NCT00351273
View directory record Official record
Conditions
Arthritis, Reactive, Reiter Disease
Interventions
Doxycycline and Rifampin, Azithromycin and Rifampin, Placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Tampa, Florida • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Oct 6, 2026, 1:05 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Doxycycline in Cutaneous Schwannoma (NF2)

NCT05521048
View directory record Official record
Conditions
Neurofibromatosis Type 2
Interventions
Doxycycline Injection [Doxy]
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
8 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 4 Interventional Results available

Duration of Antibiotic Therapy as Part of Maximal Medical Therapy for Chronic Rhinosinusitis

NCT01825408
View directory record Official record
Conditions
Sinusitis
Interventions
Doxycycline, Azithromycin, Augmentin
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 4 Interventional Results available

Oracea Soolantra Association in Participants With Severe Rosacea

NCT03075891
View directory record Official record
Conditions
Rosacea
Interventions
Ivermectin 1% cream, Doxycycline 40 mg MR (30 mg Immediate Release & 10 mg Delayed Release beads) capsules, Oral placebo capsules
Drug · Other
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
9
States / cities
Fort Smith, Arkansas • Sacramento, California • Boca Raton, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Juntas Adelante: A Peer-Coaching Intervention to Promote Chemoprophylaxis for HIV Prevention Among Latina Transgender Women in the Washington DC Metropolitan Area.

NCT07808541
View directory record Official record
Conditions
Prevention of HIV Infection, STI Prevention
Interventions
Juntas Adelante: A Peer coaching Intervention to Promote Chemoprophylaxis for HIV Prevention among Latina Transgender Women in the Washington DC Metropolitan Area.
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older · Male only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Withdrawn Phase 4 Interventional

Doxycycline Outcomes in Lupus Erythematosus

NCT01014260
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Placebo, Doxycycline
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 30, 2012 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 2 Interventional Results available

Persistent Methicillin Resistant Staphylococcus Aureus Eradication Protocol (PMEP)

NCT01594827
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Inhaled Vancomycin, Placebo (Sterile Water), Rifampin, Trimethoprim/Sulfamethoxazole (TMP/SMX), Doxycycline, Mupirocin Intranasal Creme, 4% chlorhexidine gluconate liquid skin cleanser
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Baltimore, Maryland • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 2 Interventional Results available

Placebo Controlled Efficacy and Safety Study of CD2475/101 40 mg Tablets vs. Placebo and Doxycycline 100 mg Capsules Once Daily in the Treatment of Inflammatory Lesions of Acne Vulgaris

NCT01320033
View directory record Official record
Conditions
Acne Vulgaris
Interventions
CD2475/101 40 mg, Doxycycline 100 mg, Placebo
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
12 Years and older
Enrollment
662 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
31
States / cities
Hot Springs, Arkansas • Los Angeles, California • Denver, Colorado + 25 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 6, 2026, 1:05 AM EDT
Enrolling by invitation Phase 4 Interventional

Antibiotic Prophylaxis in High-Risk Arthroplasty Patients

NCT04297592
View directory record Official record
Conditions
Infections Joint Prosthetic, Overweight or Obesity, MSSA Colonization, MRSA, Chronic Kidney Diseases, Diabetes, Autoimmune Diseases, Inflammatory Disease, Tobacco Use
Interventions
Cephalexin, Doxycycline, Cefadroxil
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
4,618 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
2
States / cities
Iowa City, Iowa • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

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

NCT00829764
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 6, 2026, 1:05 AM EDT