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ClinicalTrials.gov public records Last synced Oct 8, 2026, 6:53 AM EDT

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Showing 49–62 of 62 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: placebo (for azithromycin) Clear all
Withdrawn Phase 2 Interventional Accepts healthy volunteers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 8, 2026, 6:53 AM EDT
Not yet recruiting Phase 4 Interventional

Azithromycin for Cerclage Prophylaxis

NCT07608562
View directory record Official record
Conditions
Cervical Insufficiency
Interventions
Azithromycin Prophylaxis, Azithromycin Placebo, Cefazolin, Progesterone
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Oak Lawn, Illinois • Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 8, 2026, 6:53 AM EDT
Completed Phase 2 Interventional Results available

Antibiotic Treatment Trial for the PANDAS/PANS Phenotype

NCT01617083
View directory record Official record
Conditions
PANS, PANDAS, Obsessive Compulsive Disorder (OCD)
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
4 Years to 14 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Apr 10, 2018 · Synced Oct 8, 2026, 6:53 AM EDT
Terminated Phase 2 Interventional Results available

Randomized Comparison of Combination Azithromycin and Hydroxychloroquine vs. Hydroxychloroquine Alone for the Treatment of Confirmed COVID-19

NCT04336332
View directory record Official record
Conditions
SARS-CoV-2, COVID-19
Interventions
Hydroxychloroquine Sulfate + Azithromycin, Hydroxychloroquine Sulfate
Combination Product · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
5
States / cities
Livingston, New Jersey • New Brunswick, New Jersey • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Oct 8, 2026, 6:53 AM EDT
Completed Phase 3 Interventional

A Multicenter, Randomized, Double-Blind, Double-Dummy Trial of Azithromycin SR Compared With Levofloxacin for the Treatment of Acute Symptoms of Chronic Bronchitis

NCT00644449
View directory record Official record
Conditions
Bronchitis, Chronic
Interventions
placebo, azithromycin SR (Zithromax; compound: CP-62,993), levofloxacin
Other · Drug
Lead sponsor
Pfizer
Industry
Eligibility
35 Years and older
Enrollment
551 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
29
States / cities
Birmingham, Alabama • Columbiana, Alabama • Tallassee, Alabama + 21 more
Source: ClinicalTrials.gov public record
Updated May 16, 2011 · Synced Oct 8, 2026, 6:53 AM EDT
Terminated Phase 3 Interventional

ICoN-1 Phase 3 Study of the Efficacy and Safety of Treatment With MNKD-101, Clofazimine Inhalation Suspension

NCT06418711
View directory record Official record
Conditions
MAC Lung Disease, Treatment Refractory MAC Lung Disease, Mycobacterium Infections, Nontuberculous
Interventions
Clofazimine Inhalation Suspension, Placebo
Drug
Lead sponsor
Mannkind Corporation
Industry
Eligibility
18 Years to 85 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
54
States / cities
Birmingham, Alabama • Fresno, California • Los Angeles, California + 47 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 8, 2026, 6:53 AM EDT
Terminated Phase 4 Interventional

KEYS: Study Comparing Clinical Health Outcomes of Telithromycin Versus Azithromycin in Outpatients With Community-acquired Lower Respiratory Tract Infections

NCT00132951
View directory record Official record
Conditions
Respiratory Tract Infections, Chronic Bronchitis, Pneumonia
Interventions
Telithromycin, Azithromycin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 35 Years
Enrollment
2,051 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 27, 2009 · Synced Oct 8, 2026, 6:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Randomized Controlled Trial of Three Antibiotic Regimens for First Trimester Abortions

NCT02756403
View directory record Official record
Conditions
First Trimester Abortion
Interventions
Azithromycin, Doxycycline, Metronidazole, Placebo
Drug
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 11, 2022 · Synced Oct 8, 2026, 6:53 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 23, 2023 · Synced Oct 8, 2026, 6:53 AM EDT
Completed Phase 3 Interventional Results available

Combination Antibiotic Treatment for Reactive Arthritis Caused by Chlamydia Bacteria

NCT00351273
View directory record Official record
Conditions
Arthritis, Reactive, Reiter Disease
Interventions
Doxycycline and Rifampin, Azithromycin and Rifampin, Placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Tampa, Florida • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Oct 8, 2026, 6:53 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
33
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 8, 2026, 6:53 AM EDT
Completed Phase 2 Interventional Results available

Trial II of Lung Protection With Azithromycin in the Preterm Infant

NCT00319956
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
Hubert Ballard
Other
Eligibility
Up to 72 Hours
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 27, 2018 · Synced Oct 8, 2026, 6:53 AM EDT
Terminated Phase 4 Interventional Results available

Azithromycin for Children Hospitalized With Asthma

NCT02003911
View directory record Official record
Conditions
Asthma
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
4 Years to 12 Years
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 13, 2020 · Synced Oct 8, 2026, 6:53 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 8, 2026, 6:53 AM EDT