Duloxetine Versus Placebo for Fibromyalgia

Duloxetine Versus Placebo in the Treatment of Fibromyalgia Patients With or Without Major Depressive Disorder

The primary purpose of this study is to determine if duloxetine reduces pain severity in patients with fibromyalgia.

Study Overview

• Status: Completed
• Conditions: Fibromyalgia
• Intervention / Treatment: Drug: placebo; Drug: duloxetine

• Study Type: Interventional
• Enrollment: 345
• Phase: Phase 3

Contacts and Locations

Study Locations

• United States
  • Indiana
    • Indianapolis, Indiana, United States
      • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 16 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: Female

Description

Inclusion Criteria:

• You are male or female outpatient at least 18 years of age with fibromyalgia. Females of child-bearing potential must test negative on a pregnancy test at visit 1.

Exclusion Criteria:

• Serious or unstable cardiovascular, hepatic, renal, respiratory, or hematologic illness, symptomatic peripheral vascular disease, or other medical condition (including unstable hypertension and not clinically euthyroid) or psychological conditions that in the opinion of the investigator would compromise participation or be likely to lead to hospitalization during the course of the study.
• Abnormal thyroid-stimulating hormone concentrations.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Double

What is the study measuring?

Primary Outcome Measures

Outcome Measure
To assess efficacy of duloxetine 60 mg twice daily (BID) compared with placebo on reduction of pain severity, measured by average pain item of Brief Pain Inventory (BPI) in patients with ACR-defined primary fibromyalgia, with or without major depression.

Secondary Outcome Measures

Outcome Measure
To evaluate the efficacy of duloxetine 60 mg once daily (QD) compared with placebo during a 12-week, double-blind, acute therapy phase on the reduction of pain severity as measured by the average pain item of the Brief Pain Inventory (BPI).
To evaluate efficacy of duloxetine 60 mg QD and 60 mg BID vs. placebo during a 12-week, double-blind, acute therapy phase on the improvement of the area under the curve of pain relief as derived from BPI average pain score
To evaluate efficacy of duloxetine 60 mg QD and 60 mg BID vs. placebo during a 12-week, double-blind, acute therapy phase on the improvement of Fibromyalgia Impact Questionnaire (FIQ) total score
To evaluate efficacy of duloxetine 60 mg QD and 60 mg BID vs. placebo during a 12-week, double-blind, acute therapy phase on improvement of Brief Pain Inventory (BPI) severity (worst pain, least pain, pain right now) and interference scores
To evaluate efficacy of duloxetine 60 mg QD and 60 mg BID vs. placebo during a 12-week, double-blind, acute therapy phase on the improvement of Tender point pain thresholds: mean thresholds and number of points with a low threshold
To evaluate efficacy of duloxetine 60 mg QD and 60 mg BID vs. placebo during a 12-week, double-blind, acute therapy phase on the improvement of Clinical Global Impression of Severity (CGI)
To evaluate efficacy of duloxetine 60 mg QD and 60 mg BID vs. placebo during a 12-week, double-blind, acute therapy phase on the improvement of Patient Global Impression of Improvement (PGI)
To evaluate efficacy of duloxetine 60 mg QD and 60 mg BID vs. placebo during a 12-week, double-blind, acute therapy phase on the improvement of Hamilton Depression 17- item Rating Scale (HAMD17) total score
To demonstrate that the effect of duloxetine 60 mg QD and duloxetine 60 mg BID on the BPI average pain score is independent of the presence or absence of a major depressive disorder (MDD) as defined by DSM-IV.
To evaluate whether improvement in pain severity (assessed by BPI average pain score) is direct analgesic effect of duloxetine therapy and independent of treatment effect on mood improvement, as measured by total score of HAMD17

Collaborators and Investigators

• Sponsor: Eli Lilly and Company

Publications and helpful links

Helpful Links

• Lilly Clinical Trial Registry

Study record dates

Study Major Dates

• Study Start: November 1, 2002
• Study Completion (Actual): December 1, 2003

Study Registration Dates

• First Submitted: June 19, 2007
• First Submitted That Met QC Criteria: June 19, 2007
• First Posted (Estimate): June 21, 2007

Study Record Updates

• Last Update Posted (Estimate): June 21, 2007
• Last Update Submitted That Met QC Criteria: June 19, 2007
• Last Verified: June 1, 2007

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Nervous System Diseases; Musculoskeletal Diseases; Rheumatic Diseases; Muscular Diseases; Neuromuscular Diseases; Fibromyalgia; Myofascial Pain Syndromes; Physiological Effects of Drugs; Neurotransmitter Agents; Molecular Mechanisms of Pharmacological Action; Peripheral Nervous System Agents; Analgesics; Sensory System Agents; Psychotropic Drugs; Neurotransmitter Uptake Inhibitors; Membrane Transport Modulators; Antidepressive Agents; Dopamine Agents; Serotonin and Noradrenaline Reuptake Inhibitors; Duloxetine Hydrochloride
• Other Study ID Numbers: 6158; F1J-MC-HMCA