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Showing 1–24 of 228 matching trials from the live ClinicalTrials.gov search.
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Withdrawn Phase 4 Interventional

Comparison Study of Cefazolin Versus Cefazolin Plus Azithromycin Prophylaxis in Post-Cesarean Endometritis

NCT01721616
View directory record Official record
Conditions
Endometritis
Interventions
Azithromycin, Cefazolin
Drug
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced Sep 6, 2026, 11:03 AM EDT
Completed Not applicable Interventional Results available

The Anti-inflammatory Effect of Prophylactic Macrolides on Children With Chronic Lung Disease

NCT02544984
View directory record Official record
Conditions
Chronic Lung Disease
Interventions
Azithromycin, placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
6 Months to 6 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2018 · Synced Sep 6, 2026, 11:03 AM EDT
Completed Not applicable Interventional Results available

Identification of TT Cases by Community Treatment Assistants: An Assessment

NCT01783743
View directory record Official record
Conditions
Trichiasis
Interventions
TT Training Program and TT Screening Card
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
15 Years and older
Enrollment
27,473 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Sep 6, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vanderbilt Pertussis Exposure Study: PEP in Vaccinated Healthcare Workers Following Pertussis Exposure

NCT00469274
View directory record Official record
Conditions
Pertussis
Interventions
Antibiotic PEP
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 64 Years
Enrollment
1,102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 28, 2013 · Synced Sep 6, 2026, 11:03 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 24, 2010 · Synced Sep 6, 2026, 11:03 AM EDT
Withdrawn Phase 2 Interventional

A Study of Combination Therapies to Treat COVID-19 Infection

NCT04459702
View directory record Official record
Conditions
COVID, COVID-19, Corona Virus Infection, Coronavirus Infection, Coronavirus Sars-Associated as Cause of Disease Classified Elsewhere, Coronavirus-19, SARS-CoV 2, SARS Pneumonia
Interventions
hydroxychloroquine, Azithromycin, Ritonavir, Lopinavir
Drug
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 6, 2026, 11:03 AM EDT
Completed Phase 3 Interventional Results available

OPTIMIZing Treatment for Early Pseudomonas Aeruginosa Infection in Cystic Fibrosis

NCT02054156
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
azithromycin, placebo, Tobramycin solution for inhalation
Drug
Lead sponsor
Bonnie Ramsey
Other
Eligibility
6 Months to 18 Years
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
45
States / cities
Anchorage, Alaska • Tucson, Arizona • Little Rock, Arkansas + 40 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Sep 6, 2026, 11:03 AM EDT
Recruiting Phase 3 Interventional

A Study to Test How Effective Belumosudil Tablets Are for Treating Adult Participants With Chronic Lung Allograft Dysfunction

NCT06082037
View directory record Official record
Conditions
Lung Transplant Rejection
Interventions
Belumosudil, Azithromycin, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
32
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 6, 2026, 11:03 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 25, 2008 · Synced Sep 6, 2026, 11:03 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 1, 2023 · Synced Sep 6, 2026, 11:03 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 3, 2024 · Synced Sep 6, 2026, 11:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Azithromycin/Bicillin Syphilis

NCT00031499
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 28, 2013 · Synced Sep 6, 2026, 11:03 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 25, 2011 · Synced Sep 6, 2026, 11:03 AM 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 6, 2026, 11:03 AM 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 6, 2026, 11:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

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

NCT00830336
View directory record Official record
Conditions
Healthy
Interventions
Azithromycin, Zithromax®
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 6, 2026, 11:03 AM EDT
Completed No phase listed Observational

Fluoroquinolone Associated Disability

NCT03535558
View directory record Official record
Conditions
Bronchitis, Sinusitis, Urinary Tract Infections
Interventions
Fluoroquinolone (FQ), Azithromycin (AZ), Sulfamethoxazole/Trimethoprim (ST) Fixed Dose Combination
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
239,306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Titusville, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 28, 2019 · Synced Sep 6, 2026, 11:03 AM 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 6, 2026, 11:03 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Intrapulmonary Pharmacokinetics of Antibiotics

NCT00315601
View directory record Official record
Conditions
Healthy
Interventions
Telithromycin, azithromycin, bronchoalveolar lavage
Drug · Procedure
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 12, 2009 · Synced Sep 6, 2026, 11:03 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Azithromycin for Child Survival in Niger: Programmatic Trial (AVENIR)

NCT05288023
View directory record Official record
Conditions
Resistance Bacterial, Morality, Child Health, Implementation
Interventions
Azithromycin for Oral Suspension
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
1 Month and older
Enrollment
169,707 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 6, 2026, 11:03 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Trial of Antimycobacterial Therapy in Sarcoidosis

NCT01074554
View directory record Official record
Conditions
Sarcoidosis
Interventions
Antibiotic Regimen, Placebo Regimen
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 11, 2016 · Synced Sep 6, 2026, 11:03 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Azithromycin Treatment for the Airway Microbiome in Asthma

NCT03736629
View directory record Official record
Conditions
Asthma Chronic
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Sep 6, 2026, 11:03 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Macrolide Therapy to Improve Forced Expiratory Volume in 1 Second in Adults With Sickle Cell Disease

NCT02960503
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Azithromycin, Placebo
Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 1, 2018 · Synced Sep 6, 2026, 11:03 AM EDT
Completed Not applicable Interventional

The Safety and Effectiveness of Rifabutin, Combined With Clarithromycin or Azithromycin, in HIV-Infected Patients

NCT00001023
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Clarithromycin, Azithromycin, Rifabutin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
11
States / cities
Tucson, Arizona • Palo Alto, California • San Francisco, California + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2012 · Synced Sep 6, 2026, 11:03 AM EDT