ClinicalTrials.gov record
Completed Phase 3 Interventional

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

ClinicalTrials.gov ID: NCT00643149

Public ClinicalTrials.gov record NCT00643149. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 14, 2026, 8:13 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multicenter, Randomized, Double-Blind, Double-Dummy Comparative Trial Of Azithromycin SR Versus Amoxicillin For The Treatment Of Group A Β-Hemolytic Streptococcal Pharyngitis/Tonsillitis In Children

Study identification

NCT ID
NCT00643149
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
693 participants

Conditions and interventions

Conditions

Interventions

  • amoxicillin Drug
  • azithromycin SR Drug

Drug

Eligibility (public fields only)

Age range
2 Years to 12 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 30, 2003
Primary completion
Not listed
Completion
Feb 29, 2004
Last update posted
May 16, 2011

2003 – 2004

United States locations

U.S. sites
33
U.S. states
12
U.S. cities
23
Facility City State ZIP Site status
Pfizer Investigational Site Hoover Alabama 35244
Pfizer Investigational Site Pelham Alabama 35124
Pfizer Investigational Site Fresno California 93710
Pfizer Investigational Site Fresno California 93720
Pfizer Investigational Site San Diego California 92128
Pfizer Investigational Site Evansville Indiana 47710
Pfizer Investigational Site Evansville Indiana 47713
Pfizer Investigational Site Evansville Indiana 47714
Pfizer Investigational Site Newburgh Indiana 47360
Pfizer Investigational Site Newburgh Indiana 47630
Pfizer Investigational Site Wichita Kansas 67207
Pfizer Investigational Site Wichita Kansas 67212
Pfizer Investigational Site Bardstown Kentucky 40004
Pfizer Investigational Site Springfield Kentucky 40069
Pfizer Investigational Site Kalamazoo Michigan 49009
Pfizer Investigational Site Endwell New York 13760
Pfizer Investigational Site Raleigh North Carolina 27609
Pfizer Investigational Site Beachwood Ohio 44122
Pfizer Investigational Site Chesterland Ohio 44026
Pfizer Investigational Site Cleveland Ohio 44106
Pfizer Investigational Site Cleveland Ohio 44111
Pfizer Investigational Site Willoughby Ohio 44094
Pfizer Investigational Site Youngstown Ohio 44501
Pfizer Investigational Site McMurray Pennsylvania 15317
Pfizer Investigational Site Pittsburgh Pennsylvania 15234
Pfizer Investigational Site Pittsburgh Pennsylvania 15241
Pfizer Investigational Site Bryan Texas 77802
Pfizer Investigational Site Lake Jackson Texas 77566
Pfizer Investigational Site Salt Lake City Utah 84103
Pfizer Investigational Site Salt Lake City Utah 84109
Pfizer Investigational Site Salt Lake City Utah 84111
Pfizer Investigational Site Salt Lake City Utah 84121
Pfizer Investigational Site West Jordan Utah 84088

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 13 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00643149, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 16, 2011 · Synced May 14, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00643149 live on ClinicalTrials.gov.

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