~187 spots leftby Mar 2026

Azithromycin for Wheezing in Preschoolers

(AZ-SWED Trial)

Recruiting in Palo Alto (17 mi)
+7 other locations
Overseen byCharlie Casper, PhD
Age: < 18
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 3
Waitlist Available
Sponsor: University of Arizona
Pivotal Trial (Near Approval)
Prior Safety Data
Approved in 3 Jurisdictions

Trial Summary

What is the purpose of this trial?This trial tests if giving preschool children with severe wheezing a medicine called Azithromycin can reduce their symptoms. The study includes children with and without certain bacteria in their noses. The goal is to see if the medicine helps by reducing bacterial infections or improving wheezing overall. Azithromycin has been studied for its potential to reduce severe asthma symptoms, with mixed results in different patient groups.

Eligibility Criteria

This trial is for preschool children aged 18 months to under 60 months who are experiencing a severe wheezing episode and have been assessed at the emergency department. They must not have used antibiotics or steroids for wheezing in the past two weeks, among other health criteria.

Inclusion Criteria

Your Pediatric Respiratory Assessment Measurement (PRAM) score was 4 or higher at any point during the emergency room visit.
I am between 18 and 59 months old.
A doctor or nurse heard wheezing when I breathed out during my ED visit.

Exclusion Criteria

Criterion: You have a long-term illness or condition that could affect your ability to participate in the study, such as seizures, developmental delays, or chronic lung disease. You have certain heart problems, were born prematurely, or have a history of certain medical procedures. You have certain allergies, are currently involved in another medical study, or cannot speak English or Spanish.
I have taken antibiotics in the last 2 weeks.
I have used steroids for wheezing in the last 2 weeks.
+2 more

Participant Groups

The AZ-SWED study tests if Azithromycin (12 mg/kg/day for 5 days) helps improve severe wheezing episodes in young children compared to a placebo. The effect is measured using daily caregiver reports and follow-up visits, with some focus on bacterial presence.
2Treatment groups
Active Control
Placebo Group
Group I: Treatment - ActiveActive Control1 Intervention
Eligible patients will be randomly assigned to one of two treatment groups (1:1) and one arm will be administered the active drug per the randomization schedule. Study medication will be provided to parents/guardians, along with instructions, for home-based administration. The first dose of the study medication will be administered before discharge from the ED.
Group II: Treatment - PlaceboPlacebo Group1 Intervention
Eligible patients will be randomly assigned to one of two treatment groups (1:1) and one arm will be administered placebo per the randomization schedule. Study medication will be provided to parents/guardians, along with instructions, for home-based administration. The first dose of the study medication will be administered before discharge from the ED.

Azithromycin is already approved in European Union, United States, Canada for the following indications:

πŸ‡ͺπŸ‡Ί Approved in European Union as Azithromycin for:
  • Respiratory tract infections
  • Skin and soft tissue infections
  • Sexually transmitted diseases
  • Toxoplasmosis
  • Malaria
  • Preterm prelabor rupture of membranes
πŸ‡ΊπŸ‡Έ Approved in United States as Azithromycin for:
  • Respiratory tract infections
  • Skin and soft tissue infections
  • Sexually transmitted diseases
  • Toxoplasmosis
  • Malaria
  • Preterm prelabor rupture of membranes
πŸ‡¨πŸ‡¦ Approved in Canada as Azithromycin for:
  • Respiratory tract infections
  • Skin and soft tissue infections
  • Sexually transmitted diseases
  • Toxoplasmosis
  • Malaria
  • Preterm prelabor rupture of membranes

Find a Clinic Near You

Research Locations NearbySelect from list below to view details:
University of Pittsburgh Medical CenterPittsburgh, PA
The Children's Hospital of Philadelphia (CHOP)Philadelphia, PA
University of Texas Southwestern Medical CenterDallas, TX
Children's Hospital of New York Medical CenterNew York, NY
More Trial Locations
Loading ...

Who Is Running the Clinical Trial?

University of ArizonaLead Sponsor
University of UtahCollaborator
Emory UniversityCollaborator
Morgan Stanley Children's HospitalCollaborator
University of PittsburghCollaborator
Children's Hospital and Health System Foundation, WisconsinCollaborator
Children's Hospital of PhiladelphiaCollaborator
Children's Hospital Medical Center, CincinnatiCollaborator
Boston Children's HospitalCollaborator

References