Full Text View  
  Tabular View  
  Contacts and Locations  
  No Study Results Posted  
  Related Studies  
A Study To Assess Esreboxetine's Effect On Concentration, Memory, Decision Making And Problem Solving In Patients With Fibromyalgia.
This study is currently recruiting participants.
Verified by Pfizer, December 2008
Sponsored by: Pfizer
Information provided by: Pfizer
ClinicalTrials.gov Identifier: NCT00752505
  Purpose

The study is designed to assess if esreboxetine can improve the cognitive function of patients with fibromyalgia. Cognitive function is defined as the ability to concentrate, remember things and make decisions or problem solve. The study is also designed to assess if there is a difference in cognitive function between fibromyalgia patients and matched control subjects.


Condition Intervention Phase
Fibromyalgia
Drug: Esreboxetine
Phase II

MedlinePlus related topics: Fibromyalgia
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Crossover Assignment, Safety/Efficacy Study
Official Title: A Phase 2 Randomized Double-Blind Placebo-Controlled Crossover Study Assessing The Ability Of Esreboxetine (PNU-165442g) To Improve Cognitive Function In Fibromyalgia Patients.

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Computer based psychometric tests [ Time Frame: 11 week ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • A questionnaire to evaluate the subjects cognitive status [ Time Frame: Once at randomisatoin ] [ Designated as safety issue: No ]
  • A questionnaire to assess the subjects mood [ Time Frame: 11 weeks ] [ Designated as safety issue: No ]
  • A question to assess the subjects pain at visits [ Time Frame: 11 weeks ] [ Designated as safety issue: No ]
  • A daily diary to assess the subjects pain [ Time Frame: 11 weeks ] [ Designated as safety issue: No ]
  • A questionnaire to evaluate the impact the subject perceives fibromyalgia has on their cognitive ability [ Time Frame: Once at randomisation ] [ Designated as safety issue: No ]
  • Two questionaires to assess change in the subjects cognitive ability [ Time Frame: 11 weeks ] [ Designated as safety issue: No ]
  • Safety evaluations: medical history, physical and neurological exam, heart rate and blood pressure lying and standing, laboratory tests, electrical heart trace (ECG), adverse event collection, assessment of suicidal risk [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]

Estimated Enrollment: 80
Study Start Date: August 2008
Estimated Study Completion Date: May 2009
Estimated Primary Completion Date: May 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
B: Experimental Drug: Esreboxetine
Tablet once daily either placebo, 4mg or 8mg per day. Subjects will be on active treatment for 4 weeks out of a total of 11 weeks in a crossover dosing
A: Experimental Drug: Esreboxetine
Tablet once daily either placebo, 4mg or 8mg per day. Subjects will be on active treatment for 4 weeks out of a total of 11 weeks in a crossover dosing

  Eligibility

Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Subjects who have a recognised diagnosis of fibromyalgia, with defined minimum pain criteria. Control subjects must not have a fibromyalgia diagnosis or symptoms and must match fibromyalgia subjects for age, length of education and gender

Exclusion Criteria:

  • Other confounding pain, cognitive disease or impairment, disease that could put the subject at risk or subjects who are on prohibited medications that cannot be washed out.
  • Any subjects with a diagnosis of certain psychiatric disorders in particular major depression or suicidal risk. Matched control subjects have similar exclusions.
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00752505

Contacts
Contact: Pfizer CT.gov Call Center 1-800-718-1021

Locations
United States, Michigan
Pfizer Investigational Site Recruiting
Bingham Farms, Michigan, United States, 48025
United States, Oklahoma
Pfizer Investigational Site Recruiting
Oklahoma City, Oklahoma, United States, 73103
United States, Texas
Pfizer Investigational Site Recruiting
Dallas, Texas, United States, 75231
Pfizer Investigational Site Recruiting
Austin, Texas, United States, 78756
Sponsors and Collaborators
Pfizer
Investigators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

To obtain contact information for a study center near you, click here.  This link exits the ClinicalTrials.gov site

Responsible Party: Pfizer, Inc. ( Director, Clinical Trial Disclosure Group )
Study ID Numbers: A6061061
Study First Received: September 12, 2008
Last Updated: December 8, 2008
ClinicalTrials.gov Identifier: NCT00752505  
Health Authority: United States: Food and Drug Administration

Keywords provided by Pfizer:
Fibromyalgia

Study placed in the following topic categories:
Muscular Diseases
Neuromuscular Diseases
Musculoskeletal Diseases
Myofascial Pain Syndromes
Fibromyalgia
Pain
Rheumatic Diseases

Additional relevant MeSH terms:
Nervous System Diseases

ClinicalTrials.gov processed this record on January 16, 2009