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Completed Phase 3 Interventional

A Study of the Efficacy and Safety of Pregabalin for the Treatment of Fibromyalgia

ClinicalTrials.gov ID: NCT00645398

Public ClinicalTrials.gov record NCT00645398. 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 3, 2026, 11:38 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 13-week, Randomized, Double-Blind, Placebo-Controlled, Monotherapy Trial of Pregabalin (BID) in Patients With Fibromyalgia

Brief summary

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

The purpose of this study is to evaluate the efficacy and safety of pregabalin versus placebo for the symptomatic relief of pain associated with fibromyalgia. If this objective is met, then the second objective will be to evaluate the efficacy and safety of pregabalin versus placebo for the management of fibromyalgia (pain, patient global assessment, and functional status). Additionally, the study will evaluate the efficacy of pregabalin versus placebo to improve sleep, fatigue, and mood disturbance associated with fibromyalgia.

Study identification

NCT ID
NCT00645398
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
751 participants

Conditions and interventions

Conditions

Interventions

Drug

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
Aug 31, 2004
Primary completion
Not listed
Completion
May 31, 2005
Last update posted
Jan 24, 2021

2004 – 2005

United States locations

U.S. sites
102
U.S. states
30
U.S. cities
84
Facility City State ZIP Site status
Pfizer Investigational Site Birmingham Alabama 35294
Pfizer Investigational Site Huntsville Alabama 35801
Pfizer Investigational Site Paradise Valley Arizona 85253
Pfizer Investigational Site Phoenix Arizona 85023
Pfizer Investigational Site Phoenix Arizona 85032
Pfizer Investigational Site Scottsdale Arizona 85254
Pfizer Investigational Site Hot Springs Arkansas 71913
Pfizer Investigational Site Little Rock Arkansas 72205
Pfizer Investigational Site Beverly Hills California 90211
Pfizer Investigational Site Long Beach California 90806
Pfizer Investigational Site Los Alamitos California 90720
Pfizer Investigational Site Newport Beach California 92660
Pfizer Investigational Site Northridge California 91324-4625
Pfizer Investigational Site Northridge California 91335
Pfizer Investigational Site Pismo Beach California 93449
Pfizer Investigational Site Redondo Beach California 90277
Pfizer Investigational Site Riverside California 92501
Pfizer Investigational Site Riverside California 92506
Pfizer Investigational Site Walnut Creek California 94598
Pfizer Investigational Site Whittier California 90601
Pfizer Investigational Site Danbury Connecticut 06810
Pfizer Investigational Site New Milford Connecticut 06776
Pfizer Investigational Site Stratford Connecticut 06615
Pfizer Investigational Site Clearwater Florida 33761
Pfizer Investigational Site Miami Florida 33173
Pfizer Investigational Site Ocala Florida 34474
Pfizer Investigational Site Palm Beach Gardens Florida 33410
Pfizer Investigational Site Plantation Florida 33317
Pfizer Investigational Site Plantation Florida 33324
Pfizer Investigational Site St. Petersburg Florida 33703
Pfizer Investigational Site St. Petersburg Florida 33709
Pfizer Investigational Site St. Petersburg Florida 33710
Pfizer Investigational Site Sunrise Florida 33351-6637
Pfizer Investigational Site West Palm Beach Florida 33409
Pfizer Investigational Site Atlanta Georgia 30328
Pfizer Investigational Site Atlanta Georgia 30342
Pfizer Investigational Site Decatur Georgia 30033-5930
Pfizer Investigational Site Boise Idaho 83704
Pfizer Investigational Site Chicago Illinois 60610
Pfizer Investigational Site Maywood Illinois 60153
Pfizer Investigational Site Oak Brook Illinois 60523
Pfizer Investigational Site Peoria Illinois 61614
Pfizer Investigational Site Kansas City Kansas 66160
Pfizer Investigational Site Overland Park Kansas 66210
Pfizer Investigational Site Overland Park Kansas 66215
Pfizer Investigational Site Madisonville Kentucky 42431
Pfizer Investigational Site New Orleans Louisiana 70114
Pfizer Investigational Site Newton Massachusetts 02462
Pfizer Investigational Site East Lansing Michigan 48823
Pfizer Investigational Site Kalamazoo Michigan 49009
Pfizer Investigational Site Lansing Michigan 48917
Pfizer Investigational Site Kansas City Missouri 64114
Pfizer Investigational Site Lebanon New Hampshire 03766
Pfizer Investigational Site Princeton New Jersey 08540
Pfizer Investigational Site Albany New York 12205
Pfizer Investigational Site New York New York 10003
Pfizer Investigational Site Rochester New York 14618
Pfizer Investigational Site Charlotte North Carolina 28210
Pfizer Investigational Site Wilmington North Carolina 28401
Pfizer Investigational Site Wilmington North Carolina 28403
Pfizer Investigational Site Winston-Salem North Carolina 27103
Pfizer Investigational Site Cincinnati Ohio 45219
Pfizer Investigational Site Columbus Ohio 43124
Pfizer Investigational Site Columbus Ohio 43212
Pfizer Investigational Site Mogadore Ohio 44260
Pfizer Investigational Site Toledo Ohio 43623
Pfizer Investigational Site Oklahoma City Oklahoma 73109
Pfizer Investigational Site Eugene Oregon 97401
Pfizer Investigational Site Medford Oregon 97504
Pfizer Investigational Site Portland Oregon 97201
Pfizer Investigational Site Altoona Pennsylvania 16601
Pfizer Investigational Site Altoona Pennsylvania 16602
Pfizer Investigational Site Duncansville Pennsylvania 16635
Pfizer Investigational Site Johnstown Pennsylvania 15904
Pfizer Investigational Site Mechanicsburg Pennsylvania 17055
Pfizer Investigational Site Philadelphia Pennsylvania 19115
Pfizer Investigational Site Philadelphia Pennsylvania 19146
Pfizer Investigational Site Pittsburgh Pennsylvania 15213
Pfizer Investigational Site Pittsburgh Pennsylvania 15218
Pfizer Investigational Site Pittsburgh Pennsylvania 15224
Pfizer Investigational Site Pottstown Pennsylvania 19610
Pfizer Investigational Site West Reading Pennsylvania 19611-1124
Pfizer Investigational Site Wyomissing Pennsylvania 19610
Pfizer Investigational Site Anderson South Carolina 29621
Pfizer Investigational Site Charleston South Carolina 29406
Pfizer Investigational Site Greer South Carolina 29651
Pfizer Investigational Site Memphis Tennessee 38104
Pfizer Investigational Site Memphis Tennessee 38119
Pfizer Investigational Site Nashville Tennessee 37203
Pfizer Investigational Site Austin Texas 78705
Pfizer Investigational Site Dallas Texas 75246
Pfizer Investigational Site Lubbock Texas 79424
Pfizer Investigational Site Richardson Texas 75080
Pfizer Investigational Site San Antonio Texas 78229-4540
Pfizer Investigational Site San Antonio Texas 78229
Pfizer Investigational Site Salt Lake City Utah 84102
Pfizer Investigational Site Woodstock Vermont 05091-0437
Pfizer Investigational Site Woodstock Vermont 05091
Pfizer Investigational Site Virginia Beach Virginia 23454
Pfizer Investigational Site Seattle Washington 98104
Pfizer Investigational Site Seattle Washington 98122
Pfizer Investigational Site Yakima Washington 98902

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00645398, 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 Jan 24, 2021 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00645398 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →