A phase 3 randomized, multicenter, double blind, double dummy study to assess the efficacy, safety, and compliance of a single dose of azithromycin extended release compared with a 10-day course of amoxicillin/clavulanate twice daily in children at high risk for persistent or recurrent ear infections
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
902
amoxicillin/clavulanate postassium 90/6.4 mg/kg/day, given in divided doses q12h, for 10 days
azithromycin SR 60 mg/kg x 1 dose
clinical response (cure or failure) in the Clinical Per Protocol population
Time frame: Test of Cure (TOC) visit (Day 12-14)
summary of baseline susceptibilities
Time frame: Study endpoint
clinical response (cure or failure) in the Clinical Per Protocol population
Time frame: On-Treatment (OT) visit (Day 4-6)
Laboratory abnormalities
Time frame: Baseline and TOC visit
bacteriological response (eradication, presumed eradication, persistence, or presumed persistence) on a per pathogen basis for the Bacteriological Per Protocol population
Time frame: TOC visit
adverse events
Time frame: Continuous
clinical response (cure or failure) in all populations except the Clinical Per Protocol population
Time frame: OT visit and TOC visit
clinical response (cure or failure) by baseline pathogen for the Bacteriological Per Protocol population
Time frame: OT visit, TOC visit, and Long-Term Follow-up (LTFU) visit (Day 28-32)
clinical response (cure or failure) in the Clinical Per Protocol population
Time frame: LTFU visit
clinical scores for the Clinical Per Protocol population
Time frame: OT visit and TOC visit
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Pfizer Investigational Site
Jonesboro, Arkansas, United States
Pfizer Investigational Site
Little Rock, Arkansas, United States
Pfizer Investigational Site
Bellflower, California, United States
Pfizer Investigational Site
Fountain Valley, California, United States
Pfizer Investigational Site
Fresno, California, United States
Pfizer Investigational Site
Fresno, California, United States
Pfizer Investigational Site
Huntington Beach, California, United States
Pfizer Investigational Site
Newhall, California, United States
Pfizer Investigational Site
Orange, California, United States
Pfizer Investigational Site
Paramount, California, United States
...and 38 more locations
persistence of middle ear fluid for the Clinical Per Protocol population
Time frame: TOC visit and LTFU visit
audiologic response
Time frame: LTFU visit