Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 12, 2026, 11:10 PM EDT

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

Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: No doxycycline Clear all
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 12, 2015 · Synced Sep 12, 2026, 11:10 PM EDT
Completed Phase 4 Interventional Results available

Parrying the Pitfalls of PrEP: Project PEACH

NCT05072093
View directory record Official record
Conditions
HIV, STI
Interventions
PrEP discontinuation intervention, Offering of on-demand oral PrEP, Offering of STI PEP, Injectable PrEP
Behavioral · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 12, 2026, 11:10 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 2, 2014 · Synced Sep 12, 2026, 11:10 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 29, 2017 · Synced Sep 12, 2026, 11:10 PM EDT
Completed Not applicable Interventional

Endourology Disease Group Excellence (EDGE) Consortium: Antibiotics (Abx) for Percutaneous Nephrolithotomy (PCNL) Part 2

NCT02829060
View directory record Official record
Conditions
Nephrolithiasis, Urinary Tract Infection (UTI), Sepsis
Interventions
Nitrofurantoin 100 MG, 7d, Gentamicin, 5mg/kg, Ampicillin 2g, Nitrofurantoin 100 mg, 48 hrs, Gentamicin, 80 mg, 7d, Gentamicin, 80 mg, 48hr
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Sep 12, 2026, 11:10 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 13, 2015 · Synced Sep 12, 2026, 11:10 PM 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 5, 2026 · Synced Sep 12, 2026, 11:10 PM EDT
Recruiting No phase listed Observational

Pharmacokinetics and Safety of Commonly Used Drugs in Lactating Women and Breastfed Infants

NCT03511118
View directory record Official record
Conditions
Lactating Women on Select DOI, Breastfed Infants of Mothers on Select DOI
Interventions
Tranexamic acid (TXA), labetalol, metformin, nifedipine, clindamycin, oxycodone, azithromycin, escitalopram, sertraline, ondansetron, Ciprofloxacin, Doxycycline, Levofloxacin, Methylphenidate, Sumatriptan, Citalopram, Cyclobenzaprine, Furosemide, Gabapentin, Hydrochlorothiazide, Hydroxyurea, Rosuvastatin, Topiramate, Trazodone, Valganciclovir, Venlafaxine, Verapamil, Remdesivir, Anakinra, Tocilizumab, Fluvoxamine, Amoxicillin, Bupropion, Duloxetine, Hydrocodone, Levetiracetam, Paroxetine, Buprenorphine
Drug
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
20
States / cities
La Jolla, California • Loma Linda, California • Chicago, Illinois + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 12, 2026, 11:10 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 11, 2026 · Synced Sep 12, 2026, 11:10 PM EDT
Active, not recruiting Early Phase 1 Interventional

Collaborative Urological Prosthetics Investigation Directive Research Group

NCT05100654
View directory record Official record
Conditions
Erectile Dysfunction, Penile Prosthesis Infection
Interventions
Doxycycline, Ciprofloxacin, Augmentin, Bactrim
Drug
Lead sponsor
University of Chicago
Other
Eligibility
35 Years to 90 Years · Male only
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 12, 2026, 11:10 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 24, 2021 · Synced Sep 12, 2026, 11:10 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 17, 2023 · Synced Sep 12, 2026, 11:10 PM 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 9, 2026 · Synced Sep 12, 2026, 11:10 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Analysis of the Microbiome in Rosacea

NCT04108897
View directory record Official record
Conditions
Rosacea
Interventions
Doxycycline, Ivermectin Topical
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 12, 2026, 11:10 PM 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 May 31, 2022 · Synced Sep 12, 2026, 11:10 PM EDT
Withdrawn Not applicable Interventional

Trial of the Use of Doxycycline After Rotator Cuff Repair

NCT02388477
View directory record Official record
Conditions
Rotator Cuff Injury
Interventions
Doxycycline, sugar pill
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2016 · Synced Sep 12, 2026, 11:10 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 1, 2018 · Synced Sep 12, 2026, 11:10 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Comparative Effectiveness Study of Spironolactone Versus Doxycycline for Acne

NCT04582383
View directory record Official record
Conditions
Acne
Interventions
Spironolactone, Doxycycline Hyclate
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
16 Years to 40 Years · Female only
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
18
States / cities
Fort Smith, Arkansas • San Francisco, California • Sherman Oaks, California + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 12, 2026, 11:10 PM EDT
Terminated Phase 3 Interventional Results available

CleanUP IPF for the Pulmonary Trials Cooperative

NCT02759120
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
Antimicrobial therapy: Co-trimoxazole or Doxycycline, No Intervention: Standard of Care
Drug · Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
40 Years and older
Enrollment
513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Sacramento, California + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 12, 2026, 11:10 PM EDT