Effects of Milnacipran on Widespread Mechanical and Thermal Hyperalgesia of Fibromyalgia Patients
1 other identifier
interventional
51
1 country
1
Brief Summary
Fibromyalgia syndrome (FM) shares many symptoms common to chronic neuropathic pain, including the characteristic hyperalgesia of the skin (thermal, mechanical) and muscles (mechanical) found in almost all FM patients. Milnacipran, a balance norepinephrine-serotonin re-uptake inhibitor, has been found to reduce pain and improve physical function of FM patients. However, little is known about the pain mechanisms that are affected by this medication. Therefore, the investigator wants to determine the efficacy of milnacipran in reducing pain as well as mechanical and thermal hyperalgesia of FM patients during a randomized, double-blind, placebo controlled trial. Because the investigator expects anti-hyperalgesic effects to coincide or precede with effects on clinical FM pain the proposed duration for this trial is 6 weeks.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Nov 2009
Longer than P75 for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 1, 2009
CompletedFirst Submitted
Initial submission to the registry
February 9, 2011
CompletedFirst Posted
Study publicly available on registry
February 11, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2014
CompletedJuly 31, 2014
July 1, 2014
4.4 years
February 9, 2011
July 29, 2014
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Mechanical and Heat Hyperalgesia
2 week intervals
Secondary Outcomes (1)
Clinical Pain
daily
Study Arms (2)
Sugar pill
PLACEBO COMPARATOROne sugar pill twice daily over 6 weeks
Milnacipran
ACTIVE COMPARATORMilnacipran 50 mg bid over 6 weeks
Interventions
Eligibility Criteria
You may qualify if:
- Patients with diagnosis of chronic wide-spread pain for at least 3 months, who fulfill the 1990 ACR Criteria for FM.
- Patients with mean pain ratings ≥ 4.0 VAS units, at Screening and Baseline visits.
- Patients, who are able to comprehend and satisfactorily comply with protocol requirements.
- Patients who have not taken any pain medications except acetaminophen within 3 days prior to the Baseline Visit (these medications if taken prior to the Screening Visit must be discontinued at Screening Visit and the Baseline Visit may be scheduled at least 7 days past the last dose of these medications).
- All women of childbearing potential (WOCBP) must have a negative urine pregnancy test at the Screening Visit. All women of childbearing potential participating in the study must use a medically acceptable form of contraception
You may not qualify if:
- FM patients unwilling or unable to discontinue analgesics (except Tylenol) for at least 5 drug half-lives prior to enrollment.
- Patient has previously failed treatment with Milnacipran for FM pain.
- Patients who have been treated with MAO inhibitors within 30 days prior to the Baseline Visit.
- Patients who received ECT within 3 months prior to the Screening Visit.
- Women who are pregnant or nursing, or women of childbearing potential who do not use adequate contraception, or who are judged to be unreliable in their use of contraception.
- Patients who have participated in any clinical trial within one month prior to the Screening Visit.
- Patients who have a medical condition that, in the Investigator's opinion, would expose them to an increased risk of a significant adverse event or interfere with assessments of safety and efficacy during the course of the trial.
- Patients with severe renal insufficiency (Creatinine clearance \< 30 ml/min)
- Patient has a BDI score \>29
- Patients with any current malignancy, or any clinically significant hematological, endocrine, cardiovascular, renal, hepatic, gastrointestinal or neurological disease (including any form of epilepsy). If there is a history of such disease but the condition has been stable for at least the past year and is judged by the investigator not to interfere with the patient's participation in the study, the patient may be included.
- Patients who require concomitant therapy with any prohibited prescription or over-the-counter medication, including aspirin (except 81 mg for heart disease) or antidepressant medications.
- Patients who are unable to speak, read, and understand English or are judged by the investigator to be unable or unlikely to follow the study protocol and complete all scheduled visits.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of Floridalead
- Forest Laboratoriescollaborator
Study Sites (1)
Center for Musculoskeletal Pain Research
Gainesville, Florida, 32610, United States
Related Publications (1)
Staud R, Lucas YE, Price DD, Robinson ME. Effects of milnacipran on clinical pain and hyperalgesia of patients with fibromyalgia: results of a 6-week randomized controlled trial. J Pain. 2015 Aug;16(8):750-9. doi: 10.1016/j.jpain.2015.04.010. Epub 2015 May 19.
PMID: 25998206DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Roland Staud, MD
University of Florida
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 9, 2011
First Posted
February 11, 2011
Study Start
November 1, 2009
Primary Completion
April 1, 2014
Study Completion
April 1, 2014
Last Updated
July 31, 2014
Record last verified: 2014-07