- 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
Search Results
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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.
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Showing 1–24
of 174
matching trials from the live ClinicalTrials.gov search.
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- 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
- 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
- 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
- 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
- Conditions
- Larynx, LIP, Oral Cavity, Pharynx
- Interventions
- Metformin Hydrochloride, Doxycycline, Metformin +Doxycycline
- Drug
- Lead sponsor
- Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Breast Carcinoma, Endometrial Clear Cell Adenocarcinoma, Endometrial Serous Adenocarcinoma, Uterine Corpus Cancer, Uterine Corpus Carcinosarcoma
- Interventions
- Metformin Hydrochloride, Doxycycline
- Drug
- Lead sponsor
- Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 29 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2020
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- CoVid 19 Positive
- Interventions
- Hydroxychloroquine, Azithromycin, Hydroxychloroquine, Doxycycline, Hydroxychloroquine, Clindamycin, Hydroxychloroquine, Clindamycin, Primaquine - low dose., Hydroxychloroquine, Clindamycin, Primaquine - high dose., Remdesivir, Tocilizumab, Methylprednisolone, Interferon-Alpha2B, Losartan, Convalescent Serum
- Drug
- Lead sponsor
- The Camelot Foundation
- Other
- Eligibility
- Not listed
- Enrollment
- 1,800 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Breakthrough Bleeding
- Interventions
- Doxycycline
- Drug
- Lead sponsor
- University of Hawaii
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Honolulu, Hawaii
- 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
- Conditions
- Primary Systemic Amyloidosis
- Interventions
- Doxycycline
- Drug
- Lead sponsor
- Medical College of Wisconsin
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2020
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- Periodontal Disease, Diabetes Mellitus, Type 2
- Interventions
- Supra-gingival scaling and placebo, Subgingival scaling and metronidazole, Subgingival scaling and doxycycline
- Procedure
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2004
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Acne
- Interventions
- Benzoyl peroxide with clindamycin, Benzoyl peroxide with clindamycin and doxycycline
- Drug
- Lead sponsor
- Stiefel, a GSK Company
- Industry
- Eligibility
- 16 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2008
- U.S. locations
- 2
- States / cities
- Fremont, California • Las Vegas, Nevada
- Conditions
- COVID, Covid-19, Corona Virus Infection, Coronavirus Infection, Coronavirus-19, SARS-CoV2, SARS-CoV Infection
- Interventions
- Ivermectin, Doxycycline Hcl, Zinc, Vitamin D3, Vitamin C
- Drug · Dietary Supplement
- Lead sponsor
- ProgenaBiome
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Ventura, California
- 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
- Conditions
- Multiple Sclerosis
- Interventions
- Interferon beta 1a, oral doxycycline
- Drug
- Lead sponsor
- Louisiana State University Health Sciences Center Shreveport
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2003 – 2009
- U.S. locations
- 1
- States / cities
- Shreveport, Louisiana
- 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
- Conditions
- Sexually Transmitted Infection
- Interventions
- Single-Dose PK Phase - DR Group, Single-Dose PK Phase - IR Group, Multi-Dose PK Phase - Daily Group, Multi-Dose PK Phase - Intermittent Group
- Drug
- Lead sponsor
- HIV Prevention Trials Network
- Network
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Pelvic Inflammatory Disease
- Interventions
- Ceftriaxone, Doxycycline, Metronidazole, Placebo Oral Capsule
- Drug
- Lead sponsor
- Harold Wiesenfeld
- Other
- Eligibility
- 15 Years to 40 Years · Female only
- Enrollment
- 233 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 3
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Acne Vulgaris
- Interventions
- Doxycycline
- Drug
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 15 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2027
- U.S. locations
- 1
- States / cities
- Sacramento, California
- Conditions
- Anthrax
- Interventions
- Doxycycline and Valortim, Placebo Antibiotic and Valortim, Placebo Antibiotic and Placebo Valortim
- Drug
- Lead sponsor
- PharmAthene, Inc.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Overland Park, Kansas
- 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
- Conditions
- Diabetic Retinopathy
- Interventions
- doxycycline monohydrate, Placebo
- Drug
- Lead sponsor
- Thomas Gardner
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Hershey, Pennsylvania
- Conditions
- Blepharitis, Meibomianitis, Dry Eye
- Interventions
- COL-101 (doxycycline, USP) capsules, placebo
- Drug
- Lead sponsor
- Galderma R&D
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 8
- States / cities
- Little Rock, Arkansas • Naples, Florida • Louisville, Kentucky + 5 more