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临床试验/NCT01294059
NCT01294059已完成1 期

Effects of Milnacipran on Widespread Mechanical and Thermal Hyperalgesia of Fibromyalgia Patients

University of Florida1 个研究点 分布在 1 个国家目标入组 51 人开始时间: 2009年11月最近更新:
适应症
干预措施
相关药物

试验速览

阶段
1 期
状态
已完成
入组人数
51
试验地点
1
主要终点
Mechanical and Heat Hyperalgesia

研究概览

简要总结

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.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Basic Science
盲法
Triple (Participant, Investigator, Outcomes Assessor)

入排标准

年龄范围
30 Years 至 65 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • 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

排除标准

  • 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 with systolic blood pressure greater than 180 mm Hg or less than 90 mm Hg or diastolic blood pressure greater than 105 mm Hg or less than 50 mm Hg at the Screening visit. Similarly, tachycardia of >110/min is exclusionary.
  • 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.

研究组 & 干预措施

Sugar pill

Placebo Comparator

One sugar pill twice daily over 6 weeks

干预措施: Milnacipran (Drug)

Milnacipran

Active Comparator

Milnacipran 50 mg bid over 6 weeks

干预措施: Milnacipran (Drug)

结局指标

主要结局

Mechanical and Heat Hyperalgesia

时间窗: 2 week intervals

次要结局

  • Clinical Pain(daily)

研究者

申办方类型
Other
责任方
Sponsor

研究点 (1)

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