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Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Xyrem® (Sodium Oxybate) to Treat Fibromyalgia.

ClinicalTrials.gov ID: NCT00423813

Public ClinicalTrials.gov record NCT00423813. 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, 3:53 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 Randomized, Double-Blind, Placebo-Controlled, Safety and Efficacy Study of Xyrem® (Sodium Oxybate) in Subjects With Fibromyalgia.

Brief summary

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

The objective of this trial is to evaluate the safety and efficacy of Xyrem® compared to placebo for the treatment of fibromyalgia in a randomized, double blind, placebo controlled, parallel group trial.

Study identification

NCT ID
NCT00423813
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Jazz Pharmaceuticals
Industry
Enrollment
573 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
Nov 30, 2006
Primary completion
Mar 31, 2009
Completion
May 31, 2009
Last update posted
Jan 23, 2012

2006 – 2009

United States locations

U.S. sites
71
U.S. states
27
U.S. cities
64
Facility City State ZIP Site status
East Alabama Arthritis Center Auburn Alabama 36830
Capstone Clinical Trials, Inc. Birmingham Alabama 35209
Drug Research and Analysis Corporation Montgomery Alabama 36106
dba 21st Century Neurology Phoenix Arizona 85004
Orange County Clinical Trials Anaheim California 92801
Providence Clinical Research Burbank California 91505
Med Investigations, Inc. Fair Oaks California 95628
North Orange County Research Institute, Inc. Fullerton California 92835
Nerve Pro Research Irvine California 92618
Northridge Neurological Center Northridge California 91325
Arroyo Medical Group Pismo Beach California 93449
Northern California Research Sacramento California 95821
Sacramento Research Medical Group Sacramento California 95825
University of CT, Health Center Farmington Connecticut 06030-1310
Center for Musculoskeletal Pain Research Gainesville Florida 32610
Florida Institute of Medical Research Jacksonville Florida 32257
Suncoast Internal Medicine Consultants Largo Florida 33773
AppleMed Research Miami Florida 33155
Compass Research Orlando Florida 32806
Clinical Research Group of St. Petersburg, Inc. St. Petersburg Florida 33707
Tampa Medical Group, P.A. Tampa Florida 33614
Lake Rheumatology Tavares Florida 32778
Center for Arthritis and Rheumatism Vero Beach Florida 32962
Florida Medical Clinic, P.A., Clinical Research Division Zephyrhills Florida 33542
Drug Studies America Marietta Georgia 30066
Coeur d'Alene Arthritis Clinic Coeur d'Alene Idaho 83814
Fibromyalgia Treatment Centers of America Chicago Illinois 60641
Investigative Clinical Research of Indiana, LLC Indianapolis Indiana 46254
Cotton-O'neil Clinical Research center Topeka Kansas 66606
Center for Arthritis and Osteoporosis Elizabethtown Kentucky 42701
Central Kentucky Research Associates,Inc. Lexington Kentucky 40509
Bluegrass Internal Medicine Owensboro Kentucky 42303
Louisiana Sleep Foundation Baton Rouge Louisiana 70809
Capital Clinical Research Associates Rockville Maryland 20852
Professional Clinical Research at Cyrstal Lake Health Center Benzonia Michigan 49616
Quest Research Institute Bingham Farms Michigan 48025
Professional Clinical Research Cadillac Michigan 49601
Professional Clinical Research at Crystal Lake Health Center Interlochen Michigan 49643
Arthritis Associates Hattiesburg Mississippi 39402
Medex Healthcare Research, Inc St Louis Missouri 63117
St. John's Mercy Health System St Louis Missouri 63141
Quality Clinical Research, Inc. Omaha Nebraska 68114
Comprehensive Clinical Research Berlin New Jersey 08009
Alan Lichtbroun, MD East Brunswick New Jersey 08816
Albuquerque Neuroscience, Inc. Albuquerque New Mexico 87109
North Shore University Hospital, North Shore Pain Services Valley Stream New York 11580
Great Lakes Medical Research Westfield New York 14787
Appalachian Regional Medical Associates Boone North Carolina 28607-0000
Dept of Internal Medicine/Rheumatology The Brody Sch of Medicine at ECU Greenville North Carolina 27834
The Center for Clinical Research Winston-Salem North Carolina 27103
Hightop Medical Research Center Cincinnati Ohio 45224
Health Research Associates, LLC (HRA) Cleveland Ohio 44121
Ohio State U, Immunology/Rheumatology William Davis Medical Research Center Columbus Ohio 43210
Cleveland Neuro-Sleep Research Institute Inc. Middleburg Heights Ohio 44130
Summit Research Network (Oregon) Inc. Portland Oregon 97210
Oregon Health Sciences University School of Medicine Portland Oregon 97239
Tri State Medical Group, Inc. Beaver Pennsylvania 15009
Altoona Center for Clinical Research Duncansville Pennsylvania 16635
Founders Research Yardley Pennsylvania 19067
Southern Orthopaedic Sports Medicine Columbia South Carolina 29204
Neurology Future Research Trials Austin Texas 78756
DFW Wellness Fort Worth Texas 76108
The Methodist Hospital System Houston Texas 77030
Houston Sleep Center Houston Texas 77063
R/D Clinical Research, Inc. Houston Texas 77074
Sun Research Institute San Antonio Texas 78215
University of Texas Health Science Center San Antonio Texas 78229
Arthritis & Osteoporosis Center of South Texas San Antonio Texas 78232
Clinical Health Research, LLC Sugarland Texas 77479
Arthritis and Osteoporosis Clinic, Research Center of Central Texas Waco Texas 76708
Alben Goldstein, MD, FACP Arlington Virginia 22204

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 45 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00423813, 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 23, 2012 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00423813 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →