Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:22 AM EDT

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Showing 73–96 of 156 matching trials from the live ClinicalTrials.gov search.
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Macrolide Antibiotic (Azithromycin), Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
40 Years and older
Enrollment
1,142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
10
States / cities
Birmingham, Alabama • San Francisco, California • Torrance, California + 7 more
Conditions
Pneumonia
Interventions
azithromycin sustained release, placebo, levofloxacin
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
35
States / cities
Mesa, Arizona • Phoenix, Arizona • San Luis Obispo, California + 28 more
Conditions
Endometritis, Wound Infection, Abscess, Surgical Site Infection
Interventions
Azithromycin and standard of care, Placebo and standard of care
Drug
Lead sponsor
Alan Tita
Other
Eligibility
14 Years and older · Female only
Enrollment
2,013 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
9
States / cities
Birmingham, Alabama • New Orleans, Louisiana • Jackson, Mississippi + 6 more
Conditions
RSV Bronchiolitis
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Month to 18 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Pharyngitis, Tonsillitis
Interventions
Azithromycin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 17 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
6
States / cities
Rancho Cordova, California • Chicago, Illinois • Murray, Utah + 1 more
Conditions
Coronavirus Infection
Interventions
Hydroxychloroquine Sulfate, Azithromycin, Chloroquine Sulfate
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
St Louis, Missouri
Conditions
Blepharitis
Interventions
ISV-502 (1.0% azithromycin and 0.1% dexamethasone combined), Azasite, Dexamethasone, Vehicle
Drug · Other
Lead sponsor
Sun Pharmaceutical Industries Limited
Industry
Eligibility
18 Years and older
Enrollment
917 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
45
States / cities
Chandler, Arizona • Phoenix, Arizona • Glendale, California + 36 more
Conditions
Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Azithromycin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
6
States / cities
Boston, Massachusetts • Syracuse, New York • The Bronx, New York + 3 more
Conditions
Respiratory Tract Infections, Chronic Bronchitis, Pneumonia
Interventions
Telithromycin, Azithromycin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 35 Years
Enrollment
2,051 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Ciprofloxacin hydrochloride, Ethambutol hydrochloride, Amikacin sulfate, Azithromycin, Rifampin, Clofazimine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1994
U.S. locations
16
States / cities
Torrance, California • Indianapolis, Indiana • St Louis, Missouri + 10 more
Conditions
Bacterial Infections, HIV Infections
Interventions
Azithromycin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Wichita, Kansas
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Azithromycin, HP xenon (¹²⁹XE)
Drug · Other
Lead sponsor
Genentech, Inc.
Industry
Eligibility
40 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Durham, North Carolina • Charlottesville, Virginia
Conditions
Lower Respiratory Tract Infection
Interventions
Azithromycin, Placebo, VIDAS B.R.A.H.M.S Procalcitonin Test (PCT)
Drug · Other · Device
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
514 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
5
States / cities
Atlanta, Georgia • Decatur, Georgia • Durham, North Carolina + 1 more
Completed Phase 3 Interventional Accepts healthy volunteers

Azithromycin/Bicillin Syphilis

NCT00031499
Conditions
Syphilis
Interventions
Azithromycin, Benzathine Penicillin, Doxycycline
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
593 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2009
U.S. locations
7
States / cities
Birmingham, Alabama • Indianapolis, Indiana • New Orleans, Louisiana + 3 more
Conditions
Covid19
Interventions
Atovaquone/Azithromycin
Drug
Lead sponsor
HonorHealth Research Institute
Other
Eligibility
18 Years to 95 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Scottsdale, Arizona
Conditions
Uncomplicated Urogenital Gonorrhea
Interventions
solithromycin, ceftriaxone, azithromycin
Drug
Lead sponsor
Melinta Therapeutics, Inc.
Industry
Eligibility
15 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
3
States / cities
Baltimore, Maryland • Cleveland, Ohio • Toledo, Ohio
Conditions
Ureaplasma Infections
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
2 Hours to 72 Hours
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
7
States / cities
Birmingham, Alabama • Newark, Delaware • Baltimore, Maryland + 2 more
Conditions
Acute Otitis Media
Interventions
cefdinir (Omnicef), azithromycin
Drug
Lead sponsor
Abbott
Industry
Eligibility
6 Months to 6 Years
Enrollment
357 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
30
States / cities
Columbiana, Alabama • Montgomery, Alabama • Ozark, Alabama + 24 more
Conditions
COVID-19
Interventions
Hydroxychloroquine, Azithromycin
Drug
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
45 Years and older
Enrollment
1,550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Murray, Utah • Salt Lake City, Utah
Conditions
Urethritis
Interventions
Azithromycin, Doxycycline
Drug
Lead sponsor
University of Washington
Other
Eligibility
16 Years and older · Male only
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of AzaSite Versus Vigamox in the Tears of Healthy Volunteers

NCT00575367
Conditions
Bacterial Infections, Eye Infections
Interventions
AzaSite (azithromycin ophthalmic solution), Vigamox (moxifloxacin hydrochloride ophthalmic solution)
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
New York, New York
Conditions
Blepharitis
Interventions
AzaSite®
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
2
States / cities
Lewiston, Maine • Andover, Massachusetts
Conditions
SARS-CoV-2, COVID-19
Interventions
Hydroxychloroquine Sulfate + Azithromycin, Hydroxychloroquine Sulfate
Combination Product · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
5
States / cities
Livingston, New Jersey • New Brunswick, New Jersey • Newark, New Jersey
Completed Phase 4 Interventional Accepts healthy volunteers

Mortality Reduction After Oral Azithromycin: Morbidity Study

NCT02048007
Conditions
Childhood Mortality
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
1 Month and older
Enrollment
72,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
2
States / cities
San Francisco, California • Baltimore, Maryland