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ClinicalTrials.gov public records Last synced Oct 21, 2026, 8:03 AM EDT

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Showing 1–24 of 88 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral 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, 8:03 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, 8:03 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, 8:03 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, 8:03 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, 8:03 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, 8:03 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, 8:03 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, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Treatment of Nontuberculous Mycobacterial Infection in Cystic Fibrosis

NCT02372383
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ethambutol, Rifampin, Azithromycin, Pancrelipase
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
16 Years to 45 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 21, 2026, 8:03 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, 8:03 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, 8:03 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, 8:03 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, 8:03 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, 8:03 AM EDT
Withdrawn Phase 3 Interventional

A P3 Comparator Trial in Community Acquired Bacterial Pneumonia

NCT02269644
View directory record Official record
Conditions
Community Acquired Pneumonia
Interventions
Dalbavancin, Linezolid, Linezolid Placebo, Azithromycin
Drug
Lead sponsor
Durata Therapeutics Inc., an affiliate of Allergan plc
Industry
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Butte, Montana
Source: ClinicalTrials.gov public record
Updated Jan 22, 2016 · Synced Oct 21, 2026, 8:03 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, 8:03 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, 8:03 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, 8:03 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Latency Antibiotics in Previable PPROM, 18 0/7- 22 6/7 WGA

NCT04047849
View directory record Official record
Conditions
Rupture of Membranes; Delayed Delivery (Following Spontaneous Rupture), Rupture of Membranes; Premature, Rupture of Membranes; Premature, Affecting Fetus, Preterm Birth, Preterm PROM (Pregnancy), Preterm Labor
Interventions
Antibiotics, oral Azithromycin and oral Amoxicillin
Drug
Lead sponsor
Woman's
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Impact of Two Alternative Dosing Strategies for Trachoma Control in Niger

NCT00618449
View directory record Official record
Conditions
Trachoma, Chlamydia Trachomatis
Interventions
Azithromcyin, Azithromycin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
1,139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Oct 21, 2026, 8:03 AM EDT
Recruiting Phase 2 Interventional

BElumosudil for Bronchiolitis Obliterans Prevention/Therapy (BEBOP)

NCT05922761
View directory record Official record
Conditions
Bronchiolitis Obliterans Syndrome, Bronchiolitis Obliterans, Lung Diseases, Chronic Graft Versus Host Disease
Interventions
Belumosudil, Fluticasone, Azithromycin, Prednisone, Montelukast
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Stanford, California • Boston, Massachusetts • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Results available

Personalized Treatment Algorithms for Difficult-to-treat Asthma

NCT04179461
View directory record Official record
Conditions
Asthma in Children
Interventions
Cholecalciferol, antihistamine, Azithromycin, emollient cream, Fluticasone Propionate, Asthma Controller Medication
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 20, 2021 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Phase 3 Interventional

Study to Evaluate ALIS (Amikacin Liposome Inhalation Suspension) in Participants With Nontuberculous Mycobacterial Lung Infection Caused by Mycobacterium Avium Complex

NCT04677569
View directory record Official record
Conditions
Mycobacterium Infections, Nontuberculous
Interventions
ALIS, Azithromycin, Ethambutol, ELC (matching placebo for ALIS)
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years and older
Enrollment
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
90
States / cities
Birmingham, Alabama • Fresno, California • Los Angeles, California + 71 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Results available

A Study of Standard Drugs for Mycobacterium Avium Complex

NCT04287049
View directory record Official record
Conditions
Mycobacterium Avium Complex
Interventions
Azithromycin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 21, 2026, 8:03 AM EDT