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ClinicalTrials.gov public records Last synced Oct 30, 2026, 7:01 AM EDT

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Showing 1–24 of 175 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Doxycycline Monohydrate Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Antimalarial Drugs to Rabies Vaccine for Post-exposure Prophylaxis.

NCT02564471
View directory record Official record
Conditions
Rabies
Interventions
Chloroquine, Atovaquone and Proguanil, Doxycycline, Rabies Vaccine
Drug · Biological
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 60 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Oct 30, 2026, 7:01 AM EDT
Completed Phase 2Phase 3 Interventional

Clinical Study to Evaluate Treatment With ORACEA® for Geographic Atrophy (TOGA)

NCT01782989
View directory record Official record
Conditions
Geographic Atrophy
Interventions
ORACEA®, Placebo
Drug
Lead sponsor
Paul Yates, MD, PhD
Other
Eligibility
55 Years and older
Enrollment
286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
37
States / cities
Glendale, California • Poway, California • Golden, Colorado + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2022 · Synced Oct 30, 2026, 7:01 AM EDT
Withdrawn Not applicable Interventional

Study of NanoDOX Hydrogel vs Placebo for Dehisced Surgical Wounds

NCT01547325
View directory record Official record
Conditions
Dehisced Surgical Wounds
Interventions
NanoDOX 1% doxycycline monohydrate Hydrogel, placebo hydrogel
Drug
Lead sponsor
NanoSHIFT LLC
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Oct 30, 2026, 7:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioequivalence Study of Doxycycline Monohydrate 100mg Tablets Under Fasting Conditions

NCT00775177
View directory record Official record
Conditions
Healthy
Interventions
Doxycycline monohydrate 100mg tablets
Drug
Lead sponsor
Ranbaxy Laboratories Limited
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 20, 2008 · Synced Oct 30, 2026, 7:01 AM 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, 7:01 AM EDT
Completed Phase 3 Interventional

Doxycycline and OA Progression

NCT00000403
View directory record Official record
Conditions
Osteoarthritis
Interventions
Doxycycline
Drug
Lead sponsor
Indiana University
Other
Eligibility
45 Years to 64 Years · Female only
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2001
U.S. locations
6
States / cities
Birmingham, Alabama • Tucson, Arizona • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Oct 30, 2026, 7:01 AM 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, 7:01 AM EDT
Completed Phase 3 Interventional

Effects of Low-Dose Doxycycline on Oral Bone Loss

NCT00066027
View directory record Official record
Conditions
Periodontitis
Interventions
20 mg doxycycline hyclate, Placebo
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
2
States / cities
Lincoln, Nebraska • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 30, 2026, 7:01 AM 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, 7:01 AM EDT
Recruiting Phase 4 Interventional

Doxycycline Prophylaxis for Prevention of Sexually Transmitted Infections

NCT06738407
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Syphilis, Sexually Transmitted Infections (STIs)
Interventions
Doxycycline hyclate delayed released 200 mg, Doxycycline hyclate delayed released 200 mg weekly, Per standard of care with quarterly STI testing/treatment and sexual health counseling
Drug · Other
Lead sponsor
Westat
Other
Eligibility
13 Years to 29 Years · Female only
Enrollment
760 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
13
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 30, 2026, 7:01 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 30, 2026, 7:01 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 30, 2026, 7:01 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect of a Commonly Used Antibiotic, Doxycycline, in Women With Polycystic Ovarian Syndrome

NCT01788215
View directory record Official record
Conditions
Polycystic Ovarian Syndrome (PCOS), Irregular Menstrual Cycles, Androgen Excess
Interventions
doxycycline, Sugar Pill
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced Oct 30, 2026, 7:01 AM EDT
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, 7:01 AM EDT
Terminated Phase 1Phase 2 Interventional

Safety and Efficacy of Gentamicin Topical Gel (AppliGel-G) for Treatment of Mild to Moderately Infected Diabetic Foot Ulcers

NCT02036528
View directory record Official record
Conditions
Diabetic Foot Ulcers
Interventions
Gentamicin Topical Gel, Ciprofloxacin, Doxycycline
Drug
Lead sponsor
Royer Biomedical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Miami, Florida • Miami Lakes, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced Oct 30, 2026, 7:01 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Doxy-Post-exposure Prophylaxis

NCT05853120
View directory record Official record
Conditions
Sexually Transmitted Diseases
Interventions
Doxycycline
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 59 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 30, 2026, 7:01 AM EDT
Completed Phase 2 Interventional Results available

Treatment of Moderate to Severe Facial Acne Vulgaris

NCT00612573
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 22, 2013 · Synced Oct 30, 2026, 7:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Randomized Controlled Trial of Three Antibiotic Regimens for First Trimester Abortions

NCT02756403
View directory record Official record
Conditions
First Trimester Abortion
Interventions
Azithromycin, Doxycycline, Metronidazole, Placebo
Drug
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 11, 2022 · Synced Oct 30, 2026, 7:01 AM EDT
Recruiting Phase 1 Interventional

Prophylactic Antibiotics Useful With Antibiotic Impregnated External Ventricular Drains (EVDs)?

NCT05001750
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Intracerebral Hemorrhage, Ventriculitis, Cerebral, Hydrocephalus
Interventions
Long term (continuous) prophylactic antibiotics, 24 hours antibiotics
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 30, 2026, 7:01 AM EDT
Terminated Phase 2 Interventional Results available

A Phase II Study of Doxycycline in Relapsed NHL

NCT02086591
View directory record Official record
Conditions
Adult Diffuse Large B-Cell Lymphoma, Mantle Cell Lymphoma Recurrent, Lymphoma, Follicular, Marginal Zone B-Cell Lymphoma, Malignant Lymphoma - Lymphoplasmacytic, Waldenstrom Macroglobulinemia, Small Lymphocytic Lymphoma, Chronic Lymphocytic Leukemia (CLL), T-Cell Lymphoma
Interventions
Doxycycline
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 22, 2016 · Synced Oct 30, 2026, 7:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Combatting HIV Or Other STIs Early (CHOOSE)

NCT07510048
View directory record Official record
Conditions
HIV, STIs, STIs Prevention, HIV Prevention
Interventions
Standard of care and PrEP Choice at Enrollment, Standard of care followed by PrEP Choice at Month 9
Other
Lead sponsor
Westat
Other
Eligibility
13 Years to 24 Years · Male only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
6
States / cities
San Francisco, California • Washington D.C., District of Columbia • Tampa, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 30, 2026, 7:01 AM 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, 7:01 AM EDT
Completed Phase 1 Interventional

Doxycycline for Elbow Tendinopathy

NCT04686799
View directory record Official record
Conditions
Lateral Epicondylitis, Lateral Epicondylitis, Left Elbow, Lateral Epicondylitis, Right Elbow, Lateral Epicondylitis, Unspecified Elbow, Lateral Epicondylitis (Tennis Elbow) Bilateral, Medial Epicondylitis, Medial Epicondylitis, Right Elbow, Medial Epicondylitis, Left Elbow
Interventions
Doxycycline Hyclate 20 MG
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 30, 2026, 7:01 AM EDT
Completed Phase 4 Interventional

Use of a Novel Diet (UC DIET) for Treatment of Mild to Moderate Active Pediatric Ulcerative Colitis

NCT02345733
View directory record Official record
Conditions
Ulcerative Colitis (UC)
Interventions
Ulcerative Colitis Diet, Antibiotic cocktail
Other · Drug
Lead sponsor
Prof. Arie Levine
Government
Eligibility
8 Years to 19 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Oct 30, 2026, 7:01 AM EDT