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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Oral azithromycin Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Healthy Patients & Effect of Antibiotics

NCT03098485
View directory record Official record
Conditions
Microbiota, Anti-bacterial Agents
Interventions
Levofloxacin, Azithromycin, Cefpodoxime
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Sep 28, 2026, 12:21 PM EDT
Completed Phase 3 Interventional Results available

Validation of Patient Reported Outcome Measures in Participants With Nontuberculous Mycobacterial Lung Infection Caused by Mycobacterium Avium Complex

NCT04677543
View directory record Official record
Conditions
Mycobacterium Infections, Nontuberculous
Interventions
ALIS, Azithromycin, Ethambutol, ELC
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
27
States / cities
Birmingham, Alabama • Fresno, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Sep 28, 2026, 12:21 PM 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 5, 2025 · Synced Sep 28, 2026, 12:21 PM EDT
Terminated Phase 3 Interventional Results available

Empiric Therapy of Mucopurulent Cervicitis (MPC)

NCT01072136
View directory record Official record
Conditions
Vaginitis Bacterial, Cervicitis
Interventions
Placebo, Azithromycin, Cefixime
Other · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Female only
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
4
States / cities
Birmingham, Alabama • Torrance, California • New Orleans, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced Sep 28, 2026, 12:21 PM EDT
Suspended Phase 3 Interventional

VA Remote and Equitable Access to COVID-19 Healthcare Delivery (VA-REACH TRIAL)

NCT04363203
View directory record Official record
Conditions
SARS-CoV-2, COVID-19
Interventions
Hydroxychloroquine, Azithromycin, Placebo oral tablet
Drug
Lead sponsor
Salomeh Keyhani MD
Federal
Eligibility
216 Months and older
Enrollment
300 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 Jun 21, 2020 · Synced Sep 28, 2026, 12:21 PM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Treatment for COVID-19 in High-Risk Adult Outpatients

NCT04354428
View directory record Official record
Conditions
COVID-19, SARS-CoV-2
Interventions
Ascorbic Acid, Hydroxychloroquine Sulfate, Azithromycin, Folic Acid, Lopinavir 200 MG / Ritonavir 50 MG [Kaletra]
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
6
States / cities
Chicago, Illinois • New Orleans, Louisiana • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced Sep 28, 2026, 12:21 PM 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 26, 2026 · Synced Sep 28, 2026, 12:21 PM 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 9, 2026 · Synced Sep 28, 2026, 12:21 PM EDT
Completed Phase 3 Interventional Results available

Treatment Failure of Chlamydial Infection in Males and Females in Youth Correctional Facilities

NCT00980148
View directory record Official record
Conditions
Chlamydial Infection
Interventions
Azithromycin, Doxycycline
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years to 21 Years
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Birmingham, Alabama • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 28, 2026, 12:21 PM EDT
Completed Phase 3 Interventional Results available

Treatment of Preschool Children With Upper Respiratory Tract Illnesses Using Azythromycin and Lower Respiratory Tract Symptoms Using Oral Corticosteroids.

NCT01272635
View directory record Official record
Conditions
Asthma, Wheezing
Interventions
Azithromycin, Prednisolone, Placebo Azithromycin, Placebo Prednisolone
Drug · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
12 Months to 71 Months
Enrollment
607 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
16
States / cities
Tucson, Arizona • Oakland, California • San Francisco, California + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2016 · Synced Sep 28, 2026, 12:21 PM EDT
Terminated Phase 2 Interventional Results available

Evaluating the Efficacy of Hydroxychloroquine and Azithromycin to Prevent Hospitalization or Death in Persons With COVID-19

NCT04358068
View directory record Official record
Conditions
COVID-19, SARS-CoV 2
Interventions
Hydroxychloroquine (HCQ), Azithromycin (Azithro), Placebo for Hydroxychloroquine, Placebo for Azithromycin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
11
States / cities
Birmingham, Alabama • San Diego, California • Torrance, California + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced Sep 28, 2026, 12:21 PM 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 9, 2017 · Synced Sep 28, 2026, 12:21 PM EDT
Completed Phase 1 Interventional

Microbial, Immune, and Metabolic Perturbations by Antibiotics (MIME Study)

NCT02707042
View directory record Official record
Conditions
Normal Physiology, Healthy
Interventions
Amoxicillin, Azithromycin, Control
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 28, 2026, 12:21 PM EDT
Completed Not applicable Interventional

Azithromycin in the Treatment of Cryptosporidiosis in Patients Who Have Not Had Success With Other Drugs

NCT00002328
View directory record Official record
Conditions
Cryptosporidiosis, HIV Infections
Interventions
Azithromycin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
1 Day and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Groton, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 28, 2026, 12:21 PM EDT
Withdrawn Phase 3 Interventional

Azithromycin Plus Hydroxychloroquine for COVID-19 Infection

NCT05026801
View directory record Official record
Conditions
Respiratory Tract Infection Viral
Interventions
Azithromycin plus hydroxychloroquine
Drug
Lead sponsor
Iterum Therapeutics, International Limited
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Waterbury, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 28, 2026, 12:21 PM EDT
Completed Phase 2Phase 3 Interventional

Comparison of Two- Versus Three-antibiotic Therapy for Pulmonary Mycobacterium Avium Complex Disease

NCT03672630
View directory record Official record
Conditions
Mycobacterium Avium Complex, Nontuberculous Mycobacterium Infection
Interventions
Azithromycin, Ethambutol, Rifampin
Drug
Lead sponsor
Kevin Winthrop
Other
Eligibility
18 Years and older
Enrollment
474 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
25
States / cities
Loma Linda, California • San Diego, California • San Francisco, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 28, 2026, 12:21 PM 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 7, 2022 · Synced Sep 28, 2026, 12:21 PM 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 2, 2026 · Synced Sep 28, 2026, 12:21 PM EDT
Terminated Phase 4 Interventional

Study to Measure the Impact of Antibiotics on Bacterial Flora in Adults With Acute Sinusitis

NCT00245440
View directory record Official record
Conditions
Maxillary Sinusitis
Interventions
Azithromycin, Telithromycin
Drug
Lead sponsor
CPL Associates
Other
Eligibility
18 Years to 75 Years
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Taylors, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 30, 2007 · Synced Sep 28, 2026, 12:21 PM EDT
Terminated Early Phase 1 Interventional

Patients Response to Early Switch To Oral:Osteomyelitis Study

NCT02099240
View directory record Official record
Conditions
Osteomyelitis
Interventions
oral antibiotics, intravenous antibiotics
Drug · Procedure
Lead sponsor
Julio Ramirez
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Sep 28, 2026, 12:21 PM 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 14, 2026 · Synced Sep 28, 2026, 12:21 PM EDT
Completed Phase 4 Interventional

A Comparison of Safety and Efficacy of Cefdinir Oral Suspension Versus Azithromycin in Pediatric Subjects With Acute Otitis Media

NCT00645112
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 26, 2008 · Synced Sep 28, 2026, 12:21 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Azithromycin Before Induction

NCT06543290
View directory record Official record
Conditions
Infections
Interventions
Azithromycin Pill, Placebo
Drug
Lead sponsor
Arrowhead Regional Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Colton, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 28, 2026, 12:21 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Azithromycin to Prevent Wheezing Following Severe RSV Bronchiolitis-II

NCT02911935
View directory record Official record
Conditions
Respiratory Syncytial Virus, Bronchiolitis
Interventions
Oral azithromycin, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Month to 18 Months
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Sep 28, 2026, 12:21 PM EDT