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Completed Phase 3 Interventional

Comparative Study of 5 Days of M02-472 Clarithromycin Extended-Release Tablets to 7 Days of Clarithromycin Immediate-Release Tablets for the Treatment of Exacerbation of Chronic Bronchitis

ClinicalTrials.gov ID: NCT00645086

Public ClinicalTrials.gov record NCT00645086. 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 Sep 2, 2026, 3:17 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 Phase III Comparative Efficacy Study of 5 Days of M02-472 Clarithromycin Extended-Release Tablets to 7 Days of Clarithromycin Immediate-Release Tablets for the Treatment of Subjects With Acute Bacterial Exacerbation of Chronic Bronchitis.

Brief summary

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

To compare the efficacy of a 5-day course of clarithromycin extended-release tablets (2 x 500 mg QD) with that of a 7-day course of clarithromycin immediate-release tablets (1 x 500 mg BID) in the treatment of acute bacterial exacerbation of chronic bronchitis.

Study identification

NCT ID
NCT00645086
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Abbott
Industry
Enrollment
465 participants

Conditions and interventions

Eligibility (public fields only)

Age range
40 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
Nov 30, 2002
Primary completion
Mar 31, 2004
Completion
Not listed
Last update posted
Mar 26, 2008

Started 2002

United States locations

U.S. sites
135
U.S. states
35
U.S. cities
125
Facility City State ZIP Site status
Not listed Birmingham Alabama 35235
Not listed Birmingham Alabama 35242
Not listed Columbiana Alabama 35051
Not listed Hoover Alabama 35216
Not listed Mobile Alabama 36608
Not listed Montgomery Alabama 36106
Not listed Ozark Alabama 36360
Not listed Glendale Arizona 85306
Not listed Phoenix Arizona 85006
Not listed Sun City West Arizona 85375
Not listed Tucson Arizona 85712
Not listed Tucson Arizona 85746
Not listed Camden Arkansas 71701
Not listed Clovis California 93611
Not listed Corona California 92879
Not listed Fountain View California 92708
Not listed Fresno California 93703
Not listed Huntington Beach California 92647
Not listed Lakewood California 90712
Not listed Pasadena California 91105
Not listed Rancho Cucamonga California 91730
Not listed Roseville California 95661
Not listed San Diego California 92103
Not listed San Diego California 92117
Not listed San Diego California 92123
Not listed San Jose California 95128
Not listed Sylmar California 91342
Not listed Temecula California 92591
Not listed Torrance California 90505
Not listed Upland California 91786
Not listed Colorado Springs Colorado 80909
Not listed Loveland Colorado 80538
Not listed Wheat Ridge Colorado 80033
Not listed Waterbury Connecticut 06708
Not listed Brandon Florida 33511
Not listed DeLand Florida 32720
Not listed Fort Lauderdale Florida 33316
Not listed Gainesville Florida 32605
Not listed Largo Florida 33770
Not listed Merritt Island Florida 32953
Not listed Miami Florida 33157
Not listed Miami Florida 33186
Not listed New Port Richey Florida 34652
Not listed Orlando Florida 32806
Not listed Panama City Florida 32405
Not listed Tallahassee Florida 36078
Not listed Tampa Florida 33614
Not listed Atlanta Georgia 30342
Not listed Blue Ridge Georgia 30513
Not listed Fort Gordon Georgia 30905
Not listed Marietta Georgia 30060
Not listed Rome Georgia 30165-1698
Not listed Coeur d'Alene Idaho 83814
Not listed Chicago Illinois 60612
Not listed Hines Illinois 60141
Not listed Orland Park Illinois 60462
Not listed Elkhart Indiana 46514
Not listed Evansville Indiana 47712
Not listed Indianapolis Indiana 46254
Not listed Wichita Kansas 67207
Not listed Lexington Kentucky 40508
Not listed Murray Kentucky 42071
Not listed Baton Rouge Louisiana 70816
Not listed Metairie Louisiana 70006
Not listed New Orleans Louisiana 70128
Not listed Sunset Louisiana 70584
Not listed Auburn Maine 04210
Not listed Chester Maryland 21619
Not listed DeWitt Michigan 48820
Not listed Livonia Michigan 48152
Not listed Saginaw Michigan 48602
Not listed Saint Joseph Michigan 49085
Not listed Chesterfield Missouri 63017
Not listed Jefferson City Missouri 65109
Not listed Springfield Missouri 65802
Not listed St Louis Missouri 63110-1093
Not listed Missoula Montana 59804
Not listed Omaha Nebraska 68134
Not listed Blackwood New Jersey 08012
Not listed Mount Laurel New Jersey 08054
Not listed Toms River New Jersey 08755
Not listed West Caldwell New Jersey 07007
Not listed Astoria New York 11102
Not listed Bronxville New York 10708
Not listed Buffalo New York 14215
Not listed Camillus New York 13031
Not listed New York New York 10016
Not listed Greensboro North Carolina 27401
Not listed Winston-Salem North Carolina 27103
Not listed Chardon Ohio 44024
Not listed Mogadore Ohio 44260
Not listed Toledo Ohio 43614
Not listed Toledo Ohio 43617
Not listed Zanesville Ohio 43701
Not listed Oklahoma City Oklahoma 73112
Not listed Eugene Oregon 97404
Not listed Lake Oswego Oregon 97035
Not listed Medford Oregon 97504
Not listed Portland Oregon 97219
Not listed Bensalem Pennsylvania 19020
Not listed Fleetwood Pennsylvania 19522
Not listed Philadelphia Pennsylvania 19138
Not listed Philadelphia Pennsylvania 19142
Not listed Philadelphia Pennsylvania 19148
Not listed Ridley Park Pennsylvania 19078
Not listed Cranston Rhode Island 02920
Not listed East Providence Rhode Island 02914
Not listed Bamberg South Carolina 29003
Not listed Greer South Carolina 29651
Not listed Simpsonville South Carolina 29681
Not listed Spartanburg South Carolina 29302
Not listed Chattanooga Tennessee 37404
Not listed Clarksville Tennessee 37043
Not listed Ducktown Tennessee 37326
Not listed Johnson City Tennessee 37601
Not listed New Tazewell Tennessee 37825
Not listed Savannah Tennessee 38372
Not listed Selmer Tennessee 38375
Not listed Austin Texas 78728
Not listed Beaumont Texas 77701
Not listed Colleyville Texas 76034
Not listed El Paso Texas 79925
Not listed Fort Worth Texas 76135
Not listed San Angelo Texas 76904
Not listed San Antonio Texas 78233
Not listed Salt Lake City Utah 84102
Not listed Christianburg Virginia 24073
Not listed Mechanicsville Virginia 23111
Not listed Newport News Virginia 23606
Not listed Richmond Virginia 23226
Not listed Spokane Washington 99204
Not listed Spokane Washington 99207
Not listed Spokane Washington 99216
Not listed Milwaukee Wisconsin 53125
Not listed New Berlin Wisconsin 53151

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 11 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00645086, 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 Mar 26, 2008 · Synced Sep 2, 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 NCT00645086 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →