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ClinicalTrials.gov public records Last synced Nov 12, 2026, 9:43 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 73–96 of 228 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Zmax Clear all

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

Conditions: Gonococcal Infection
Interventions: Azithromycin, Ceftriaxone, Ciprofloxacin, Neisseria gonorrhoeae strain FA1090 A26, Neisseria gonorrhoeae strain FA7527; Drug · Biological
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Eligibility: 18 Years to 35 Years · Male only
Enrollment: 16 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2015
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Snoring, Strep Throat
Interventions: Antibiotic; Drug
Lead sponsor: University of Missouri-Columbia; Other
Eligibility: Up to 17 Years
Enrollment: 58 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Columbia, Missouri

Conditions: Chlamydia
Interventions: ceftriaxone, Azithromycin; Drug
Lead sponsor: Harold Wiesenfeld; Other
Eligibility: 15 Years to 35 Years · Female only
Enrollment: 347 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2015
U.S. locations: 4
States / cities: Pittsburgh, Pennsylvania

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

Conditions: Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions: Azithromycin; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
U.S. locations: 6
States / cities: Boston, Massachusetts • Syracuse, New York • The Bronx, New York + 3 more

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

Conditions: RSV Bronchiolitis
Interventions: Azithromycin, Placebo; Drug
Lead sponsor: Washington University School of Medicine; Other
Eligibility: 1 Month to 18 Months
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2014
U.S. locations: 1
States / cities: St Louis, Missouri

Conditions: Trachoma
Interventions: Azithromycin; Drug
Lead sponsor: Johns Hopkins University; Other
Eligibility: Up to 5 Years
Enrollment: 128 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2014
U.S. locations: 2
States / cities: San Francisco, California • Baltimore, Maryland

Conditions: Pneumonia, Bacterial, Bronchitis, Chronic
Interventions: azithromycin, telithromycin, Clarythromycin; Drug
Lead sponsor: CPL Associates; Other
Eligibility: 18 Years to 75 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2006
U.S. locations: 2
States / cities: Louisville, Kentucky • Slidell, Louisiana

Conditions: Pregnancy
Interventions: ciprofloxacin, azithromycin, gentamicin; Drug
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 150 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2003 – 2010
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Multiple Sclerosis
Interventions: Rifampin, Azithromycin; Drug
Lead sponsor: National Center for Research Resources (NCRR); NIH
Eligibility: 18 Years to 65 Years
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Healthy
Interventions: Azithromycin 600 mg Tablet, Zithromax® 600 mg Tablet; Drug
Lead sponsor: Teva Pharmaceuticals USA; Industry
Eligibility: 18 Years and older
Enrollment: 24 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2002
U.S. locations: 1
States / cities: Saint Charles, Missouri

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

Conditions: Cholera
Interventions: iOWH032, Placebo, V. cholerae Challenge, Antibiotics; Drug · Other
Lead sponsor: PATH; Other
Eligibility: 18 Years to 44 Years
Enrollment: 47 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Baltimore, Maryland

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

Conditions: Blepharitis
Interventions: AzaSite®; Drug
Lead sponsor: Merck Sharp & Dohme LLC; Industry
Eligibility: 18 Years and older
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: Started 2008
U.S. locations: 1
States / cities: Wantagh, New York

Conditions: Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions: Ethambutol hydrochloride, Clarithromycin, Azithromycin; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 13 Years and older
Healthy volunteers: Healthy volunteers not accepted
U.S. locations: 24
States / cities: Berkeley, California • Mill Valley, California • Oakland, California + 17 more

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

Conditions: Lactating Women on Select DOI, Breastfed Infants of Mothers on Select DOI
Interventions: Tranexamic acid (TXA), labetalol, metformin, nifedipine, clindamycin, oxycodone, azithromycin, escitalopram, sertraline, ondansetron, Ciprofloxacin, Doxycycline, Levofloxacin, Methylphenidate, Sumatriptan, Citalopram, Cyclobenzaprine, Furosemide, Gabapentin, Hydrochlorothiazide, Hydroxyurea, Rosuvastatin, Topiramate, Trazodone, Valganciclovir, Venlafaxine, Verapamil, Remdesivir, Anakinra, Tocilizumab, Fluvoxamine, Amoxicillin, Bupropion, Duloxetine, Hydrocodone, Levetiracetam, Paroxetine, Buprenorphine; Drug
Lead sponsor: Duke University; Other
Eligibility: Not listed
Enrollment: 1,600 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2028
U.S. locations: 20
States / cities: La Jolla, California • Loma Linda, California • Chicago, Illinois + 15 more

Conditions: Acute Otitis Media, Acute Sinusitis, Group A Streptococcal Pharyngitis
Interventions: Broad-spectrum antibiotics, Narrow-spectrum antibiotics; Drug
Lead sponsor: Children's Hospital of Philadelphia; Other
Eligibility: 6 Months to 12 Years
Enrollment: 2,472 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2016
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Gastrointestinal Microbiome, Exercise
Interventions: Azithromycin; Drug
Lead sponsor: Rutgers, The State University of New Jersey; Other
Eligibility: 18 Years to 40 Years
Enrollment: 35 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2026
U.S. locations: 2
States / cities: Fort Collins, Colorado • New Brunswick, New Jersey

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

Conditions: Premature Rupture of Membrane
Interventions: Erythromycin, Azithromycin; Drug
Lead sponsor: Inova Health Care Services; Other
Eligibility: 18 Years to 50 Years · Female only
Enrollment: 140 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2027
U.S. locations: 2
States / cities: Falls Church, Virginia • Norfolk, Virginia

Search by objective public record fields.

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

Experimental Human Infection With Neisseria Gonorrhoeae (LptA Trial)

Comparing Healthcare Utilization Between Adenotonsillectomy Patients With and Without Postoperative Antibiotic Use

Chlamydia Trachomatis Immunology and Vaccinology Study

Study of Azithromycin to Prevent Recurrent Trichiasis Following Surgery in Ethiopia

An Open, Multicenter, Randomized, Dose-Ranging Study of Azithromycin in the Treatment of Disseminated Mycobacterium Avium-Intracellulare Complex Infection (MAC) in Patients With Acquired Immune Deficiency Syndrome (AIDS)

Personalized Treatment Algorithms for Difficult-to-treat Asthma

Azithromycin to Prevent Wheezing Following Severe Respiratory Syncytial Virus (RSV) Bronchiolitis

Partnership for Rapid Elimination of Trachoma

Outpatient Registry Trial of Respiratory Tract Infections in Adults

Pharmacokinetics and Pharmacodynamics and Selected Antibiotics During Pregnancy

Antibiotic Treatment Trial Directed Against Chlamydia Pneumonia in Multiple Sclerosis

Azithromycin 600 Mg Tablets, Fed

Azithromycin for Children Hospitalized With Asthma

Cholera Anti-Secretory Treatment Trial

Azithromycin Prophylaxis for PRElabor CEsarean DElivery Trial

Safety and Efficacy Pilot Study of AzaSite (Azithromycin) in Subjects With Blepharitis

A Randomized, Double-Blind, Comparative Study of Azithromycin Versus Clarithromycin in Combination With Ethambutol for the Treatment of Disseminated Mycobacterium Avium Complex (MAC) Infection in AIDs Patients

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

Pharmacokinetics and Safety of Commonly Used Drugs in Lactating Women and Breastfed Infants

Comparative Effectiveness of Antibiotics for Respiratory Infections

Influence of Short-Term Antibiotic Therapy on Exercise

Improving Treatment of Nontuberculous Mycobacterial Infection in Cystic Fibrosis

Erythromycin Versus Azithromycin for Preterm Prelabor Rupture of Membranes