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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:16 PM EDT

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Showing 1–24 of 88 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: oral azithromycin Clear all
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 2, 2023 · Synced Oct 21, 2026, 6:16 PM 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, 6:16 PM 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, 6:16 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 24, 2014 · Synced Oct 21, 2026, 6:16 PM 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, 6:16 PM EDT
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, 6:16 PM EDT
Terminated Phase 2 Interventional Results available

Safety, Tolerability, Pharmacokinetics and Efficacy of SPR720 for the Treatment of Patients With Mycobacterium Avium Complex (MAC) Pulmonary Disease

NCT04553406
View directory record Official record
Conditions
Mycobacterium Avium Complex, Non-tuberculous Mycobacterium Pulmonary Disease
Interventions
SPR720, Placebo, Open-label Standard of Care
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
9
States / cities
Altamonte Springs, Florida • Atlantis, Florida • Clearwater, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2022 · Synced Oct 21, 2026, 6:16 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 27, 2026 · Synced Oct 21, 2026, 6:16 PM 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, 6:16 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 5, 2026 · Synced Oct 21, 2026, 6:16 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 15, 2026 · Synced Oct 21, 2026, 6:16 PM EDT
Terminated Phase 3 Interventional Results available

Hydroxychloroquine,Hydroxychloroquine,Azithromycin in the Treatment of SARS CoV-2 Infection

NCT04341727
View directory record Official record
Conditions
Coronavirus Infection
Interventions
Hydroxychloroquine Sulfate, Azithromycin, Chloroquine Sulfate
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Oct 21, 2026, 6:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cefixime / Azithromycin pK Study

NCT02708992
View directory record Official record
Conditions
Gonorrhoea
Interventions
Azithromycin, Cefixime
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 15, 2017 · Synced Oct 21, 2026, 6:16 PM EDT
Completed Phase 3 Interventional

A Multicenter, Randomized, Double-Blind, Double-Dummy Trial of Azithromycin SR Compared With Levofloxacin for the Treatment of Mild to Moderate Pneumonia in Adult Patients

NCT00643734
View directory record Official record
Conditions
Pneumonia
Interventions
azithromycin sustained release, placebo, levofloxacin
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
35
States / cities
Mesa, Arizona • Phoenix, Arizona • San Luis Obispo, California + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2008 · Synced Oct 21, 2026, 6:16 PM EDT
Recruiting Phase 4 Interventional

Azithromycin Versus Doxycycline in Hospitalized Adult Patients With Community Acquired Pneumonia Treated With Beta-lactams

NCT07164131
View directory record Official record
Conditions
Community-acquired Pneumonia
Interventions
Doxycycline, Azithromycin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
5
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Mankato, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 6:16 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Safety and Efficacy of Solithromycin in Adolescents and Children With Community-Acquired Bacterial Pneumonia

NCT02605122
View directory record Official record
Conditions
Community-acquired Bacterial Pneumonia
Interventions
Solithromycin, Standard of Care
Drug
Lead sponsor
Melinta Therapeutics, Inc.
Industry
Eligibility
2 Months to 17 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
21
States / cities
Little Rock, Arkansas • Los Angeles, California • Sacramento, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced Oct 21, 2026, 6:16 PM 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, 6:16 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Lipids of the Human Tear Film and Their Effect on Tear Stability

NCT00803452
View directory record Official record
Conditions
Blepharitis
Interventions
doxycycline, azithromycin
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 22, 2017 · Synced Oct 21, 2026, 6:16 PM EDT
Completed No phase listed Observational

A Study of Fluoroquinolones Exposure and Collagen-Related Serious Adverse Events

NCT03479736
View directory record Official record
Conditions
Retinal Detachment, Achilles Tendon, Aneurysm, Dissecting
Interventions
Oral Fluoroquinolones (FQ), Other Antibiotics, Febrile Illness Not Treated with Antibiotics Will be Analyzed as an Exposure
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
Not listed
Enrollment
117,911 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Titusville, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 21, 2026, 6:16 PM EDT
Completed Phase 3 Interventional Results available

A Study Evaluating Efficacy and Safety of Gepotidacin Compared With Ceftriaxone Plus Azithromycin in the Treatment of Uncomplicated Urogenital Gonorrhea

NCT04010539
View directory record Official record
Conditions
Gonorrhea
Interventions
Gepotidacin, Ceftriaxone, Azithromycin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
13
States / cities
Los Angeles, California • Palm Springs, California • DeLand, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated May 30, 2024 · Synced Oct 21, 2026, 6:16 PM 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 Oct 1, 2019 · Synced Oct 21, 2026, 6:16 PM EDT
Completed Phase 4 Interventional

Azithromycin Dose and PPROM Treatment: a Pilot Randomized Controlled Trial

NCT04294069
View directory record Official record
Conditions
Preterm Premature Rupture of Membrane
Interventions
Azithromycin 500 mg, Azithromycin Oral Product
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
14 Years to 65 Years · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 21, 2026, 6:16 PM EDT
Completed Phase 3 Interventional

A Multicenter, Randomized, Double-Blind, Double-Dummy Trial of Azithromycin SR Compared With Levofloxacin for the Treatment of Sinus Infections in Adults

NCT00643409
View directory record Official record
Conditions
Maxillary Sinusitis
Interventions
azithromycin SR (Zithromax; compound: CP-62,993), placebo, levofloxacin
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
541 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
59
States / cities
Alabaster, Alabama • Birmingham, Alabama • Hueytown, Alabama + 37 more
Source: ClinicalTrials.gov public record
Updated May 11, 2011 · Synced Oct 21, 2026, 6:16 PM EDT
Completed Phase 4 Interventional Results available

Mortality Reduction After Oral Azithromycin Contingency: Mortality Study

NCT03338244
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
66,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 11, 2022 · Synced Oct 21, 2026, 6:16 PM EDT