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ClinicalTrials.gov public records Last synced Oct 17, 2026, 5:15 AM EDT

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Showing 193–216 of 228 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: azithromycin Clear all
Completed Phase 4 Interventional

Intravenous Azithromycin Plus Intravenous Ceftriaxone Followed by Oral Azithromycin With Intravenous Levofloxacin Followed by Oral Levofloxacin for the Treatment of Moderate to Severely Ill Hospitalized Patients With Community Acquired Pneumonia

NCT00035347
View directory record Official record
Conditions
Community-Acquired Pneumonia (CAP)
Interventions
IV azithromycin, ceftriaxone, oral azithromycin, IV levofloxacin, oral levofloxacin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
22
States / cities
Birmingham, Alabama • Long Beach, California • Sylmar, California + 18 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2017 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Results available

NGU: Doxycycline (Plus or Minus Tinidazole) Versus Azithromycin (Plus or Minus Tinidazole)

NCT00322465
View directory record Official record
Conditions
Urethritis
Interventions
Doxycycline, Placebo, Tinidazole, Azithromycin
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years to 45 Years · Male only
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
4
States / cities
Birmingham, Alabama • New Orleans, Louisiana • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 3 Interventional Results available

Mycoplasma Genitalium Antibiotic Susceptibility and Treatment (MEGA)

NCT00358462
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 3 Interventional Results available

Efficacy + Safety of Liposome Cyclosporine A to Treat Bronchiolitis Obliterans Post Single Lung Transplant (BOSTON-1)

NCT03657342
View directory record Official record
Conditions
Bronchiolitis Obliterans, Chronic Rejection of Lung Transplant, Lung Transplant Rejection, Lung Transplant; Complications, Lung Transplant Failure and Rejection, Chronic Lung Allograft Dysfunction
Interventions
Liposomal Cyclosporine A, standard of care
Drug
Lead sponsor
Zambon SpA
Industry
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
25
States / cities
Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 17, 2026, 5:15 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Azithromycin Prophylaxis for PRElabor CEsarean DElivery Trial

NCT06605118
View directory record Official record
Conditions
Obstetrical Complications, Labor and Delivery Complication, Cesarean Delivery
Interventions
Azithromycin Injection, Placebo, Standard of Care Preoperative antibiotics
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
14
States / cities
Birmingham, Alabama • San Francisco, California • Chicago, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional

Safety and Efficacy Pilot Study of AzaSite® (Azithromycin) in Subjects With Blepharitis

NCT00629980
View directory record Official record
Conditions
Blepharitis
Interventions
AzaSite®
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
9
States / cities
Artesia, California • Mission Hills, California • Miami, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2011 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Results available

Azithromycin to Prevent Wheezing Following Severe Respiratory Syncytial Virus (RSV) Bronchiolitis

NCT01486758
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Co-administration on the Pharmacokinetics of SPR720, Azithromycin, and Ethambutol in Healthy Participants

NCT05966688
View directory record Official record
Conditions
Healthy Volunteers
Interventions
SPR720, Azithromycin, Ethambutol
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Oct 17, 2026, 5:15 AM EDT
Terminated Phase 3 Interventional

TELI COM - Telithromycin in Children With Otitis Media

NCT00315003
View directory record Official record
Conditions
Otitis Media, Suppurative, Otitis Media, Purulent
Interventions
Telithromycin, Azithromycin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
6 Months to 6 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 3, 2009 · Synced Oct 17, 2026, 5:15 AM EDT
Terminated Phase 4 Interventional Results available

Azithromycin for Meibomian Gland Disease

NCT03953118
View directory record Official record
Conditions
Dry Eye, Neuropathic Eye Pain, Ocular Microbiome, Depression, Anxiety
Interventions
Azithromycin Oral Product, Placebo Oral
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 17, 2026, 5:15 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Efficacy of Over the Counter (OTC) Povidone-Ioldine 5% for Treatment of Acute or Chronic Blepharitis

NCT01560962
View directory record Official record
Conditions
Blepharitis
Interventions
povidone iodine, No Intervention, Azithromycin, tobramycin-dexmethasone, warm soaked eyelid wash
Drug · Other
Lead sponsor
Southern California Institute for Research and Education
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 17, 2026, 5:15 AM EDT
Completed No phase listed Observational Results available

Effect of Macrolide Antibiotics on Airway Inflammation in People With Chronic Obstructive Pulmonary Disease (COPD)

NCT00549445
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 29, 2017 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Results available

Macrolide Azithromycin to Prevent Rapid Worsening of Symptoms Associated With Chronic Obstructive Pulmonary Disease

NCT00325897
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Oct 17, 2026, 5:15 AM EDT
Recruiting Phase 2 Interventional

Antibiotic Prophylaxis to Prevent Obesity-Related Induction Complications in Nulliparae at Term 2.0

NCT06488781
View directory record Official record
Conditions
Obesity in Pregnancy, Labor Complication
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
787 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional

Safety and Efficacy Study of Rifalazil for the Treatment of Chlamydia Trachomatis Infection in Women

NCT01631201
View directory record Official record
Conditions
Chlamydia Trachomatis Infection
Interventions
Rifalazil 25 milligram, Azithromycin 1 gram
Drug
Lead sponsor
ActivBiotics Pharma, LLC
Industry
Eligibility
19 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
5
States / cities
Birmingham, Alabama • San Diego, California • Indianapolis, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2013 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Mortality Reduction After Oral Azithromycin: Morbidity Study

NCT02048007
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 17, 2026, 5:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pharmacokinetics and Pharmacodynamics and Selected Antibiotics During Pregnancy

NCT00214331
View directory record Official record
Conditions
Pregnancy
Interventions
ciprofloxacin, azithromycin, gentamicin
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Oct 17, 2026, 5:15 AM EDT
Terminated Phase 3 Interventional Results available

Azithromycin for COVID-19 Treatment in Outpatients Nationwide

NCT04332107
View directory record Official record
Conditions
COVID-19, SARS-CoV-2
Interventions
Azithromycin, Placebos
Drug
Lead sponsor
Thomas M. Lietman
Other
Eligibility
18 Years and older
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Oct 17, 2026, 5:15 AM EDT
Terminated Phase 2 Interventional

Macrolides to Prevent Exacerbations of Asthma and Chronic Obstructive Pulmonary Disease

NCT00181272
View directory record Official record
Conditions
Asthma, Chronic Obstructive Pulmonary Disease
Interventions
azithromycin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 13, 2013 · Synced Oct 17, 2026, 5:15 AM EDT
Terminated Phase 2 Interventional Results available

A Study Of ¹²⁹XE MRI To Assess Disease Progression In Patients With COPD Treated With Or Without Azithromycin And Standard-of-Care Medications

NCT04353661
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 24, 2024 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Azithromycin 600 Mg Tablets, Fasting

NCT00834756
View directory record Official record
Conditions
Healthy
Interventions
Azithromycin 600 mg Tablet, Zithromax® 600 mg Tablet
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Oct 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional

A Phase II/III Trial of Rifampin, Ciprofloxacin, Clofazimine, Ethambutol, and Amikacin in the Treatment of Disseminated Mycobacterium Avium Infection in HIV-Infected Individuals.

NCT00000641
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 17, 2026, 5:15 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Vaginal Preparation and Azithromycin to Reduce Post Cesarean Infections

NCT04163679
View directory record Official record
Conditions
Infection, Obstetric Labor Complications, Endometritis, Cesarean Delivery Affecting Fetus, Wounds Injuries
Interventions
Vaginal Preparation
Procedure
Lead sponsor
Womack Army Medical Center
Federal
Eligibility
18 Years to 64 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Bragg, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced Oct 17, 2026, 5:15 AM EDT
Recruiting Phase 4 Interventional

Azithromycin Versus Doxycycline in Hospitalized Adult Patients With Community Acquired Pneumonia Treated With Beta-lactams

NCT07164131
View directory record Official record
Conditions
Community-acquired Pneumonia
Interventions
Doxycycline, Azithromycin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
5
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Mankato, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 17, 2026, 5:15 AM EDT