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ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:27 AM EDT

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Showing 1–24 of 156 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Azithromycin Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Single-Dose, Three-Way, Three-Sequence, Crossover BA Study of Azithromycin Oleogel

NCT05796362
View directory record Official record
Conditions
Infectious Disease, Drug Effect, Clinical Infection
Interventions
Azithromycin Oleogel (Oral and Rectal)
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 21, 2026, 4:27 AM EDT
Recruiting Phase 4 Interventional

Extended Azithromycin Treatment in Prelabor Rupture of Membranes

NCT07669207
View directory record Official record
Conditions
Preterm Prelabor Rupture of Membranes, PPROM
Interventions
Azithromycin (Azithro), Standard Azithromycin Dosing
Drug
Lead sponsor
Alexa Henderson
Other
Eligibility
Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 21, 2026, 4:27 AM EDT
Completed Phase 3 Interventional

A Single, High-Dose Azithromycin Extended Release (60 mg/kg) Compared With 10 Days of High-Dose Amoxicillin Clavulanate in Children With Ear Infections at High Risk of Persistent/Recurrent Ear Infections

NCT00643292
View directory record Official record
Conditions
Acute Otitis Media
Interventions
amoxicillin/clavulanate postassium (Augmentin ES-600), azithromycin SR
Drug
Lead sponsor
Pfizer
Industry
Eligibility
3 Months to 48 Months
Enrollment
902 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
23
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Bellflower, California + 18 more
Source: ClinicalTrials.gov public record
Updated May 17, 2011 · Synced Oct 21, 2026, 4:27 AM EDT
Completed Phase 3 Interventional

A Multicenter, Randomized, Double-Blind, Double-Dummy Trial of Azithromycin SR Compared With Clarithromycin Extended Release for the Treatment of Pneumonia in Adult Patients

NCT00643227
View directory record Official record
Conditions
Pneumonia
Interventions
clarithromycin extended release (ER), azithromycin SR
Drug
Lead sponsor
Pfizer
Industry
Eligibility
16 Years and older
Enrollment
504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
36
States / cities
Birmingham, Alabama • Haleyville, Alabama • Montgomery, Alabama + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2008 · Synced Oct 21, 2026, 4:27 AM 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 21, 2026, 4:27 AM EDT
Completed Phase 4 Interventional Results available

Study of Azithromycin to Prevent Recurrent Trichiasis Following Surgery in Ethiopia

NCT00347776
View directory record Official record
Conditions
Trichiasis
Interventions
azithromycin, topical tetracycline
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
1,452 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 7, 2017 · Synced Oct 21, 2026, 4:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study To Estimate The Relative Bioavailability Of Co-Administered Formulations Of Azithromycin Microsphere And Chloroquine Test Formulation Compared With Co-Administered Immediate Release Individual Azithromycin And Chloroquine Tablets In Healthy Adult Subjects

NCT01100060
View directory record Official record
Conditions
Malaria Prophylaxis
Interventions
azithromycin (AZ) microsphere, test chloroquine (CQ) formulation, azithromycin (AZ), chloroquine (CQ)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 25, 2010 · Synced Oct 21, 2026, 4:27 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 21, 2026, 4:27 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Pediatric Taste Test Study of Omnicef Versus Zithromax Antibiotic Suspension Medications

NCT00644774
View directory record Official record
Conditions
Healthy
Interventions
cefdinir (Omnicef), azithromycin
Drug
Lead sponsor
Abbott
Industry
Eligibility
4 Years to 8 Years
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
3
States / cities
Scottsdale, Arizona • St. Petersburg, Florida • Miamiville, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2008 · Synced Oct 21, 2026, 4:27 AM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of Azithromycin on MAC Disease Prevention in HIV-Positive Patients

NCT00000947
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Azithromycin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
19
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 21, 2026, 4:27 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Azithromycin in Control of Trachoma II

NCT00286026
View directory record Official record
Conditions
Trachoma
Interventions
Azithromycin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2012 · Synced Oct 21, 2026, 4:27 AM EDT
Terminated Phase 3 Interventional Results available

Treatment of ppROM With Erythromycin vs. Azithromycin Trial

NCT03060473
View directory record Official record
Conditions
Preterm Premature Rupture of Membranes (PPROM)
Interventions
Azithromycin, Erythromycin, Ampicillin, Amoxicillin
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
3
States / cities
Austin, Texas • Galveston, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Oct 21, 2026, 4:27 AM EDT
Withdrawn Phase 4 Interventional

Outpatient Registry Trial of Respiratory Tract Infections in Adults

NCT00245453
View directory record Official record
Conditions
Pneumonia, Bacterial, Bronchitis, Chronic
Interventions
azithromycin, telithromycin, Clarythromycin
Drug
Lead sponsor
CPL Associates
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Louisville, Kentucky • Slidell, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 28, 2015 · Synced Oct 21, 2026, 4:27 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Mortality Reduction After Oral Azithromycin: Mortality Study

NCT02047981
View directory record Official record
Conditions
Childhood Mortality
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
1 Month to 60 Months
Enrollment
190,238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
2
States / cities
San Francisco, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Oct 21, 2026, 4:27 AM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Chloroquine (CQ) and Azithromycin (AZ) Combination for Malaria Prophylaxis

NCT03278808
View directory record Official record
Conditions
Malaria
Interventions
Chloroquine-Azithromycin (CQ/AZ), Chloroquine (CQ), atovaquone-proguanil (Malarone®)
Drug
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Bethesda, Maryland • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Oct 21, 2026, 4:27 AM EDT
Completed Phase 4 Interventional Results available

Efficacy of Combination Therapies for Gonorrhea Treatment

NCT00926796
View directory record Official record
Conditions
Gonorrhoea
Interventions
Azithromycin, Gentamicin, Gemifloxacin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
15 Years to 60 Years
Enrollment
614 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
5
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2015 · Synced Oct 21, 2026, 4:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

The Pharmacokinetics of Azithromycin Prophylaxis for Cesarean Delivery

NCT01464840
View directory record Official record
Conditions
Endometritis
Interventions
Azithromycin
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Oct 21, 2026, 4:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Relative Bioavailability Study of 200mg/5 mL Azithromycin Oral Suspension Under Fasting Conditions

NCT00830206
View directory record Official record
Conditions
Healthy
Interventions
Azithromycin, Zithromax®
Other · Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Oct 21, 2026, 4:27 AM EDT
Not listed Phase 1Phase 2 Interventional

Evaluate the Efficacy and Safety of Oral Hydroxychloroquine, Indomethacin and Zithromax in Subjects With Mild Symptoms of COVID-19

NCT04344457
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine, Indomethacin, Zithromax Oral Product
Drug
Lead sponsor
Perseverance Research Center, LLC
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Scottsdale, Arizona • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Oct 21, 2026, 4:27 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Azithromycin for Meningococcal Carriage

NCT06618534
View directory record Official record
Conditions
Meningococcal Infections
Interventions
Azithromycin
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 25 Years
Enrollment
764 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 21, 2026, 4:27 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 21, 2026, 4:27 AM EDT
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 21, 2026, 4:27 AM EDT
Terminated Phase 2 Interventional Results available

Comparison of Two Macrolides, Azithromycin and Erythromycin, for Symptomatic Treatment of Gastroparesis

NCT01323582
View directory record Official record
Conditions
Gastroparesis
Interventions
Erythromycin, Azithromycin
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 5, 2014 · Synced Oct 21, 2026, 4:27 AM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Study to Determine the Effect of Azasite on Corneal Surface Irregularity

NCT01797107
View directory record Official record
Conditions
Meibomian Gland Dysfunction
Interventions
Azasite
Drug
Lead sponsor
Philadelphia Eye Associates
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2016 · Synced Oct 21, 2026, 4:27 AM EDT