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ClinicalTrials.gov public records Last synced Oct 30, 2026, 6:28 PM EDT

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Showing 145–168 of 179 matching trials from the live ClinicalTrials.gov search.
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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 30, 2026, 6:28 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Serum Levels of Doxycycline at the Time of Abortion With Two Dosing Regimens

NCT00177333
View directory record Official record
Conditions
Abortion, Induced, Vomiting
Interventions
Doxycycline
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 29, 2016 · Synced Oct 30, 2026, 6:28 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Prospective Evaluation of Oral Antibiotics for Treatment of Shoulder PJI

NCT04636125
View directory record Official record
Conditions
Periprosthetic Infection, Oral Antibiotics, Revision Total Shoulder Arthroplasty
Interventions
Doxycycline 100 MG Oral Tablet
Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 30, 2026, 6:28 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Subantimicrobial Doxycycline in Acne

NCT05399290
View directory record Official record
Conditions
Acne Vulgaris, Pediatrics
Interventions
Doxycycline Hyclate
Drug
Lead sponsor
Michigan State University
Other
Eligibility
13 Years to 17 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Oct 30, 2026, 6:28 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

A Prospective Clinical Study Assessing the Effects of Tetracycline Antibiotic on Tear Film and Tear Lipid Composition Within a Population of Patients Diagnosed With Blepharitis and Dry Eye Disease

NCT00355459
View directory record Official record
Conditions
Dry Eye Syndrome
Interventions
Tetracycline: Doxycycline analog
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 88 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 13, 2018 · Synced Oct 30, 2026, 6:28 PM EDT
Completed Not applicable Interventional Results available

Can Addition of Doxycycline Perioperatively Reduce Propionibacterium Acnes in Shoulder Arthroplasty?

NCT03115177
View directory record Official record
Conditions
Osteoarthritis
Interventions
Doxycycline, Cefazolin
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
40 Years to 90 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 15, 2018 · Synced Oct 30, 2026, 6:28 PM EDT
Terminated Phase 2 Interventional Results available

Doxycycline in Treating Patients With Chronic Rhinosinusitis With Nasal Polyps

NCT02569437
View directory record Official record
Conditions
Polyp of Nasal Sinus
Interventions
Doxycycline, methylprednisolone, nasal saline spray, Flonase, sugar pill
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 9, 2018 · Synced Oct 30, 2026, 6:28 PM 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, 6:28 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Doxycycline and TUDCA in Patients With Transthyretin Amyloid Cardiomyopathy

NCT01855360
View directory record Official record
Conditions
Amyloidosis; Heart (Manifestation), Senile Cardiac Amyloidosis
Interventions
Tauroursodeoxycholic Acid and Doxycycline
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 4, 2020 · Synced Oct 30, 2026, 6:28 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Cholera Anti-Secretory Treatment Trial

NCT04150250
View directory record Official record
Conditions
Cholera
Interventions
iOWH032, Placebo, V. cholerae Challenge, Antibiotics
Drug · Other
Lead sponsor
PATH
Other
Eligibility
18 Years to 44 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Oct 30, 2026, 6:28 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Lipidome and Microbiome Profile of the Eye in Rosacea

NCT03655197
View directory record Official record
Conditions
Rosacea, Ocular Rosacea, Cutaneous Rosacea
Interventions
Doxycycline
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2023 · Synced Oct 30, 2026, 6:28 PM 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, 6:28 PM 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, 6:28 PM 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, 6:28 PM EDT
Recruiting Phase 1 Interventional

Evaluating ER-100 for Safety in People With Glaucoma or Non-Arteritic Anterior Ischemic Optic Neuropathy (Optic Nerve Conditions)

NCT07290244
View directory record Official record
Conditions
Open Angle Glaucoma (OAG), NAION( Non-arteritic Anterior Ischemic Optic Neuropathy)
Interventions
ER-100 epigenetic therapy
Genetic
Lead sponsor
Life Biosciences Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
4
States / cities
Glendale, California • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 30, 2026, 6:28 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Norplant and Irregular Bleeding/Spotting

NCT00064766
View directory record Official record
Conditions
Endometrial Bleeding, Periodontal Disease
Interventions
doxycycline
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 30, 2026, 6:28 PM 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, 6:28 PM EDT
Completed Phase 4 Interventional Results available

Trial of Azithromycin vs. Doxycycline for the Treatment of Rectal Chlamydia in MSM

NCT03608774
View directory record Official record
Conditions
Anal Chlamydia Infection
Interventions
Azithromycin, Doxycycline, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years · Male only
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Oct 30, 2026, 6:28 PM 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 30, 2026, 6:28 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Use of Oracea and Epiduo Forte in Severe Acne Patients

NCT03457636
View directory record Official record
Conditions
Acne
Interventions
Doxycycline Anhydrous 40 MG, Adapalene/Benzoyl Peroxide Gel 0.3-2.5%
Drug
Lead sponsor
Derm Research, PLLC
Other
Eligibility
12 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Oct 30, 2026, 6:28 PM EDT
Terminated Phase 4 Interventional Results available

Comparing Oral Versus Parenteral Antimicrobial Therapy

NCT05977868
View directory record Official record
Conditions
Endovascular Infection, Bone and Joint Infection, Skin and Soft Tissue Infection, Pulmonary Infection, Gastrointestinal Infection, Genitourinary Infection
Interventions
Amoxicillin, amoxicillin-clavulanate, cefadroxil, cefpodoxime, cefalexin, ciprofloxacin, delafloxacin, doxycycline, levofloxacin, linezolid, Ampicillin, ampicillin-sulbactam, cefazolin, cefepime, ceftaroline, ceftazidime, ceftazidime-avibactam, dalbavancin, daptomycin, ertapenem
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 30, 2026, 6:28 PM 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, 6:28 PM EDT
Completed Phase 2 Interventional Results available

Spironolactone in Preventing Rash in Patients With Advanced Cancer Receiving Panitumumab and Cetuximab

NCT01867294
View directory record Official record
Conditions
Advanced Malignant Neoplasm, Dermatologic Complication
Interventions
Doxycycline, Management of Therapy Complications, Placebo, Questionnaire Administration, Spironolactone, Sunscreen, Therapeutic Hydrocortisone
Drug · Procedure · Other
Lead sponsor
Academic and Community Cancer Research United
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
Urbana, Illinois • Des Moines, Iowa • Wichita, Kansas + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Oct 30, 2026, 6:28 PM EDT
Completed Phase 3 Interventional Results available

Treatment Failure of Chlamydial Infection in Males and Females in Youth Correctional Facilities

NCT00980148
View directory record Official record
Conditions
Chlamydial Infection
Interventions
Azithromycin, Doxycycline
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years to 21 Years
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Birmingham, Alabama • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 30, 2026, 6:28 PM EDT