Fibromyalgia Clinical Trial
Official title:
A 14 Week, Randomized, Double-Blind, Placebo-Controlled Trial Of Pregabalin Twice Daily In Patients With Fibromyalgia.
NCT number | NCT00333866 |
Other study ID # | A0081100 |
Secondary ID | |
Status | Completed |
Phase | Phase 3 |
First received | |
Last updated | |
Start date | July 2006 |
Est. completion date | November 2007 |
Verified date | March 2009 |
Source | Pfizer |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study, will compare pregabalin with placebo for the duration of 14 weeks to evaluate the efficacy and safety of pregabalin in patients with fibromyalgia.
Status | Completed |
Enrollment | 747 |
Est. completion date | November 2007 |
Est. primary completion date | November 2007 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - ACR criteria for fibromyalgia - A score of more or equal to 40 mm on the Pain Visual Analog Scale (VAS) and a an average score more or equal to 4 on 4 daily pain diaries Exclusion Criteria: - Patients with other severe pain conditions - Patients with severe depression - Patients taking excluded medications |
Country | Name | City | State |
---|---|---|---|
Australia | Pfizer Investigational Site | Clayton | Victoria |
Australia | Pfizer Investigational Site | Fitzroy | Victoria |
Australia | Pfizer Investigational Site | Maroochydore | Queensland |
Australia | Pfizer Investigational Site | Warrawong | New South Wales |
Canada | Pfizer Investigational Site | Bathurst | New Brunswick |
Canada | Pfizer Investigational Site | Drummondville | Quebec |
Canada | Pfizer Investigational Site | Hawkesbury | Ontario |
Canada | Pfizer Investigational Site | Kelowna | British Columbia |
Canada | Pfizer Investigational Site | Montreal | Quebec |
Canada | Pfizer Investigational Site | Pointe Claire | Quebec |
Canada | Pfizer Investigational Site | Quebec | |
Canada | Pfizer Investigational Site | Saint John's | Newfoundland and Labrador |
Canada | Pfizer Investigational Site | Sherbrooke | Quebec |
Canada | Pfizer Investigational Site | Sherbrooke | Quebec |
Canada | Pfizer Investigational Site | Toronto | Ontario |
Canada | Pfizer Investigational Site | Winnipeg | Manitoba |
Denmark | Pfizer Investigational Site | Frederiksberg | |
Denmark | Pfizer Investigational Site | Svendborg | |
France | Pfizer Investigational Site | Clermont Ferrand Cedex 1 | |
France | Pfizer Investigational Site | Lille | Cedex |
France | Pfizer Investigational Site | Montpellier | Cedex 5 |
France | Pfizer Investigational Site | Paris Cedex 04 | |
France | Pfizer Investigational Site | Saint Etienne Cedex 2 | |
Germany | Pfizer Investigational Site | Bad Saeckingen | |
Germany | Pfizer Investigational Site | Berlin | |
Germany | Pfizer Investigational Site | Berlin | |
Germany | Pfizer Investigational Site | Bonn | |
Germany | Pfizer Investigational Site | Mannheim | |
Germany | Pfizer Investigational Site | Muenchen | |
India | Pfizer Investigational Site | Indore | Madhya Pradesh |
India | Pfizer Investigational Site | Lucknow | Uttar Pradesh |
India | Pfizer Investigational Site | Ludhiana | Punjab |
India | Pfizer Investigational Site | Ludhiana | Punjab |
Italy | Pfizer Investigational Site | Bari | |
Italy | Pfizer Investigational Site | Benevento | |
Italy | Pfizer Investigational Site | Bologna | |
Italy | Pfizer Investigational Site | Chieti Scalo | |
Italy | Pfizer Investigational Site | Perugia | |
Italy | Pfizer Investigational Site | Pisa | |
Korea, Republic of | Pfizer Investigational Site | Seoul | |
Korea, Republic of | Pfizer Investigational Site | Seoul | |
Korea, Republic of | Pfizer Investigational Site | Suwon-si | Kyeongki-do |
Mexico | Pfizer Investigational Site | Leon | Guanajuato |
Mexico | Pfizer Investigational Site | Mexico | D. F. |
Mexico | Pfizer Investigational Site | Monterrey | Nuevo Leon |
Mexico | Pfizer Investigational Site | San Luis Potosi | |
Netherlands | Pfizer Investigational Site | Alkmaar | |
Netherlands | Pfizer Investigational Site | Den Helder | |
Netherlands | Pfizer Investigational Site | Leeuwarden | |
Netherlands | Pfizer Investigational Site | Rotterdam | |
Netherlands | Pfizer Investigational Site | Zwolle | |
Portugal | Pfizer Investigational Site | Lisboa | |
Portugal | Pfizer Investigational Site | Lisboa | |
Portugal | Pfizer Investigational Site | Lisboa | |
Portugal | Pfizer Investigational Site | Lisbon | |
Spain | Pfizer Investigational Site | Barcelona | |
Spain | Pfizer Investigational Site | Barcelona | |
Spain | Pfizer Investigational Site | Cordoba | |
Spain | Pfizer Investigational Site | Guadalajara | |
Sweden | Pfizer Investigational Site | Linkoping | |
Sweden | Pfizer Investigational Site | Molndal | |
Sweden | Pfizer Investigational Site | Orebro | |
Sweden | Pfizer Investigational Site | Stockholm | |
Switzerland | Pfizer Investigational Site | Lausanne | |
Switzerland | Pfizer Investigational Site | Zurich | |
Switzerland | Pfizer Investigational Site | Zürich | |
United Kingdom | Pfizer Investigational Site | Greenock | Renfrewshire |
United Kingdom | Pfizer Investigational Site | London | |
United Kingdom | Pfizer Investigational Site | Manchester | Greater Manchester |
United Kingdom | Pfizer Investigational Site | North Shields | Tyne And Wear |
United Kingdom | Pfizer Investigational Site | Poole | |
Venezuela | Pfizer Investigational Site | Caracas | Distrito Capital |
Venezuela | Pfizer Investigational Site | Caracas | Distrito Capital |
Venezuela | Pfizer Investigational Site | Caracas | Estado Miranda |
Lead Sponsor | Collaborator |
---|---|
Pfizer's Upjohn has merged with Mylan to form Viatris Inc. |
Australia, Canada, Denmark, France, Germany, India, Italy, Korea, Republic of, Mexico, Netherlands, Portugal, Spain, Sweden, Switzerland, United Kingdom, Venezuela,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change From Baseline in Mean Pain Score at Endpoint (Up to Week 14) | Daily pain diary consists of 11-point NRS ranging from 0(no pain) to 10(worst possible pain). Participants rated their pain during past 24 hours, self-assessment done daily at awakening. Baseline=Last 7 available pain scores before taking study medication up to and including Day 1. Final weekly (endpoint) mean pain score is defined as the mean pain score from the last 7 pain diary entries in the study while the participant was on study medication. | Baseline, Week 14 | |
Primary | Patient Global Impression of Change (PGIC) | Number of participants with categorical change in overall status. PGIC: a participant-rated instrument assessing change in participant's overall status from baseline, on a scale ranging from 1 (very much improved) to 7 (very much worse). | Week 14 | |
Secondary | Change From Baseline in Mean Sleep Quality Score at Endpoint (Up to Week 14) | Daily quality of sleep diary consists of 11-point NRS ranging from 0(best possible sleep) to 10(worst possible sleep). Participants rated their quality of sleep during past 24 hours, self-assessment done daily upon awakening. Baseline=Last 7 available scores before taking study medication up to and including Day 1. The endpoint (up to week 14) mean quality of sleep score was based on Least Squares (LS) Means using ANCOVA, with treatment group and center in the model and the baseline mean sleep score used as the covariate. Final weekly (endpoint) mean sleep quality score is defined as the mean sleep quality score from the last 7 sleep diary entries in the study while the participant was on study medication. | Baseline, Week 14 | |
Secondary | Change From Baseline in Weekly Mean Sleep Quality Score | Daily quality of sleep diary consists of 11-point NRS ranging from 0(best possible sleep) to 10(worst possible sleep). Participants rated their quality of sleep during past 24 hours, self-assessment done daily upon awakening. Baseline=Last 7 available scores before taking study medication up to and including Day 1. The weekly mean quality of sleep score was based on LS Means using mixed model repeated measures ANCOVA, with treatment, center, week, and treatment-by-week interaction in the model and the baseline mean sleep score used as the covariate. Weekly mean sleep quality score is defined as the mean of the last 7 daily sleep diary entries. | Baseline, Week 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 | |
Secondary | Percentage of Participants With Optimal Sleep Assessed Using MOS-SS | Participant-rated 12 item questionnaire assess constructs of sleep over past week.7 subscales: sleep disturbance, snoring, awakened short of breath, sleep adequacy, somnolence (range:0-100); sleep quantity(range:0-24), optimal sleep(yes or no), as well as a 9-item overall sleep problems index. Except Adequacy, Optimal, Quantity of sleep, higher scores=more impairment. Scores transformed(actual raw score minus lowest possible score divided by possible raw score range*100);total score range:0-100,higher score=more disturbance. | Baseline, Week 14 | |
Secondary | Change From Baseline in Medical Outcomes Study (MOS): Sub-scales at Week 14 | Participant-rated 12 item questionnaire assess constructs of sleep over past week.7 subscales: sleep disturbance, snoring, awakened short of breath, sleep adequacy, somnolence (range:0-100); sleep quantity(range:0-24), optimal sleep(yes or no), as well as a 9-item overall sleep problems index. Except Adequacy, Optimal, Quantity of sleep, higher scores=more impairment. Scores transformed(actual raw score minus lowest possible score divided by possible raw score range*100);total score range:0-100,higher score=more intensity of attribute. | Baseline, Week 14 | |
Secondary | Change From Baseline in Fibromyalgia Impact Questionnaire (FIQ) Subscale Scores at Week 14 | FIQ: 20-item self-administered questionnaire designed to assess areas such as health status, progress, and outcomes in participants with fibromyalgia. 11 items related to physical functioning, other items assess pain, fatigue, stiffness, difficulty working, and symptoms of anxiousness and depression. FIQ contains 10 sub-scales scored from 0 to 10, with higher scores indicating more impairment in the subscale attribute. Total score range from 0 to 100 with higher scores indicating more impairment. | Baseline, Week 14 | |
Secondary | Change From Baseline in Fibromyalgia Impact Questionnaire (FIQ) Total Scores at Week 14 | FIQ: 20-item self-administered questionnaire designed to assess areas such as health status, progress, and outcomes in participants with fibromyalgia. 11 items related to physical functioning, other items assess pain, fatigue, stiffness, difficulty working, and symptoms of anxiousness and depression. FIQ contains 10 sub-scales scored from 0 to 10, with higher scores indicating more impairment in the subscale attribute. Total score range from 0 to 100 with higher scores indicating more impairment. | Baseline, Week 14 | |
Secondary | Change From Baseline in Short Form-36 (SF-36) Health Survey at Week 14 | SF-36 is a standardized survey evaluating 8 aspects of functional health and well being: physical functioning, role physical, bodily pain, general health, vitality, social functioning, role emotional and mental health. The score for a section is an average of the individual question scores, which are scaled 0-100 (100=highest level of functioning) and is reported as 2 summary scores; Physical Component Score and Mental Component Score. Total score range for the summary scores = 0- 100, where higher score represents higher level of functioning. | Baseline, Week 14 | |
Secondary | Change From Baseline in Multidimensional Assessment of Fatigue (MAF) at Week 14 | MAF is a 16-item self-administered questionnaire that yields a Global Fatigue Index (GFI), measures 4 dimensions of fatigue: degree and severity, amount of distress it causes, its timing and degree to which fatigue interferes with activities of daily living. Only 15 items are used to calculate the GFI. GFI score range from 1 (no fatigue) to 50 (severe fatigue). | Baseline, Week 14 | |
Secondary | Change From Baseline in Hospital Anxiety and Depression Scale (HADS) at Week 14 | HADS: participant rated questionnaire with 2 subscales. HADS-A assesses state of generalized anxiety (anxious mood, restlessness, anxious thoughts, panic attacks); HADS-D assesses state of lost interest and diminished pleasure response (lowering of hedonic tone). Each subscale comprised of 7 items with range 0 (no presence of anxiety or depression) to 3 (severe feeling of anxiety or depression). Total score 0 to 21 for each subscale; higher score indicates greater severity of anxiety and depression symptoms. | Baseline, Week 14 | |
Secondary | Change From Baseline in Pain Visual Analogue Scale (VAS) Scores at Week 14 | Pain visual analog scale (VAS): Participants assessed the severity of their pain using a 100 mm visual analog scale (VAS). The scale ranged from 0 (no pain) to 100 (worst possible pain), measurement on a scale corresponds to the magnitude of their pain. | Baseline, Week 14 | |
Secondary | Total Daily Acetaminophen Dose | Acetaminophen (up to 4 gram/day as needed for pain relief) was an allowable concomitant medication as a rescue therapy. The total daily acetaminophen dose taken during double-blind treatment was calculated for each participant as: (total acetaminophen dose during the study) divided by (total number of study days). | Week 14 |
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