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Completed Phase 3 Interventional

A Multicenter, Randomized, Double-Blind, Double-Dummy Trial of Azithromycin SR Compared With Levofloxacin for the Treatment of Sinus Infections in Adults

ClinicalTrials.gov ID: NCT00643409

Public ClinicalTrials.gov record NCT00643409. 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 Oct 21, 2026, 5:20 AM 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 Levofloxacin for the Treatment of Acute Bacterial Maxillary Sinusitis in Adults Undergoing Diagnostic Sinus Aspiration

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The objectives of the study were to confirm that a single, 2.0-g dose of azithromycin sustained release (SR) was at least as effective to 10 days of oral levofloxacin 500 mg once a day, when used to treat adults with uncomplicated, acute bacterial sinus infections, and to evaluate the safety of both treatments.

Study identification

NCT ID
NCT00643409
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
541 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
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
Jan 2003 (Type not available)
Primary completion
Not listed
Completion
Feb 2004 (Actual)
Last update posted
May 11, 2011

2003 – 2004

United States locations

U.S. sites
59
U.S. states
18
U.S. cities
40
Facility City State ZIP Site status
Pfizer Investigational Site Alabaster Alabama 35007 —
Pfizer Investigational Site Birmingham Alabama 35205 —
Pfizer Investigational Site Birmingham Alabama 35211 —
Pfizer Investigational Site Birmingham Alabama 35233 —
Pfizer Investigational Site Hueytown Alabama 35023 —
Pfizer Investigational Site Montgomery Alabama 36106 —
Pfizer Investigational Site Montgomery Alabama 36109 —
Pfizer Investigational Site Pelham Alabama 35124 —
Pfizer Investigational Site Tuscaloosa Alabama 35404 —
Pfizer Investigational Site Tuscaloosa Alabama 35406 —
Pfizer Investigational Site Jonesboro Arkansas 72401 —
Pfizer Investigational Site Clovis California 93611 —
Pfizer Investigational Site Fresno California 93710 —
Pfizer Investigational Site Fresno California 93720 —
Pfizer Investigational Site San Diego California 92103 —
Pfizer Investigational Site San Diego California 92117 —
Pfizer Investigational Site San Diego California 92123 —
Pfizer Investigational Site Bridgeport Connecticut 06606 —
Pfizer Investigational Site Wichita Kansas 67208 —
Pfizer Investigational Site Louisville Kentucky 40207 —
Pfizer Investigational Site New Orleans Louisiana 70115 —
Pfizer Investigational Site Kalamazoo Michigan 49008 —
Pfizer Investigational Site Portage Michigan 49024 —
Pfizer Investigational Site Richland Michigan 49083 —
Pfizer Investigational Site Three Rivers Michigan 49093 —
Pfizer Investigational Site Jefferson City Missouri 65101 —
Pfizer Investigational Site Missoula Montana 59801 —
Pfizer Investigational Site Missoula Montana 59804 —
Pfizer Investigational Site Charlote North Carolina 28210 —
Pfizer Investigational Site Charlotte North Carolina 28210 —
Pfizer Investigational Site Cincinnati Ohio 45241 —
Pfizer Investigational Site Cincinnati Ohio 45242 —
Pfizer Investigational Site Dayton Ohio 45402 —
Pfizer Investigational Site Dayton Ohio 45406 —
Pfizer Investigational Site Eugene Oregon 97401 —
Pfizer Investigational Site Eugene Oregon 97404 —
Pfizer Investigational Site Medford Oregon 97504 —
Pfizer Investigational Site Morrisville Pennsylvania 19067 —
Pfizer Investigational Site Norristown Pennsylvania 19401 —
Pfizer Investigational Site Plymouth Meeting Pennsylvania 19462 —
Pfizer Investigational Site Orangeburg South Carolina 29118 —
Pfizer Investigational Site Nashville Tennessee 37203 —
Pfizer Investigational Site Amarillo Texas 79109 —
Pfizer Investigational Site Amarillo Texas 79119 —
Pfizer Investigational Site Amarillo Texas 79124 —
Pfizer Investigational Site Bryan Texas 77802 —
Pfizer Investigational Site El Paso Texas 79902 —
Pfizer Investigational Site Houston Texas 77015 —
Pfizer Investigational Site Houston Texas 77074 —
Pfizer Investigational Site Pasadena Texas 77505 —
Pfizer Investigational Site San Antonio Texas 78205 —
Pfizer Investigational Site San Antonio Texas 78224 —
Pfizer Investigational Site San Antonio Texas 78229 —
Pfizer Investigational Site Wichita Falls Texas 76302 —
Pfizer Investigational Site Wichita Falls Texas 76309 —
Pfizer Investigational Site Murray Utah 84107 —
Pfizer Investigational Site Salt Lake City Utah 84102 —
Pfizer Investigational Site Salt Lake City Utah 84109 —
Pfizer Investigational Site Salt Lake City Utah 84121 —

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 30 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00643409, 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 11, 2011 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00643409 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →