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A Multicenter, Randomized, Double-Blind, Double-Dummy Study Of Azithromycin SR Versus Amoxicillin For The Treatment Of Strep Throat In Children

Pfizer logo

Pfizer

Status and phase

Completed
Phase 3

Conditions

Tonsillitis

Treatments

Drug: azithromycin SR
Drug: amoxicillin

Study type

Interventional

Funder types

Industry

Identifiers

NCT00643149
A0661071

Details and patient eligibility

About

The objective was to determine if a single 60 mg/kg dose of azithromycin SR was as safe and effective as a 10-day regimen of amoxicillin (45 mg/kg/day, given in divided doses every 12 hours) when used to treat children with strep throat.

Enrollment

693 patients

Sex

All

Ages

2 to 12 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Patients who had evidence of acute pharyngitis/tonsillitis based on erythematous pharyngeal mucosa or thick exudate covering the pharynx and tonsillar area, and at least one of the following signs or symptoms were included: sore/scratchy throat; pain on swallowing; chills and/or fever cervical adenopathy; scarlet fever rash on the face and skin folds, or red tongue with prominent papillae ("strawberry tongue"). Subjects were required to have a positive rapid antigen detection test (RADT) or a positive culture of the pharynx or tonsils for GABHS.

Exclusion criteria

Patients were excluded if they had previously diagnosed disease(s) of immune function or treatment with any systemic antibiotic within the previous 7 days.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

693 participants in 2 patient groups

1
Experimental group
Treatment:
Drug: amoxicillin
2
Experimental group
Treatment:
Drug: azithromycin SR

Trial contacts and locations

45

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Data sourced from clinicaltrials.gov

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