The Effect of Milnacipran in Patients With Fibromyalgia

This study has been completed.
Forest Laboratories
Information provided by (Responsible Party):
Beth Israel Medical Center Identifier:
First received: March 30, 2010
Last updated: February 19, 2014
Last verified: February 2014

Use of the drug Milnacipran will reduce ventricular lactate levels and processing time for completing complex tasks relative to placebo.

Condition Intervention Phase
Drug: Milnacipran
Drug: Placebo
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: The Effect of Milnacipran or Placebo on Ventricular Lactate Levels and Fibromyalgia Induced "Brain Fog."

Resource links provided by NLM:

Further study details as provided by Beth Israel Medical Center:

Primary Outcome Measures:
  • Ventricular lactate levels in the brain. [ Time Frame: 2 months ] [ Designated as safety issue: No ]
    Ventricular lactate levels will be assessed by a scanning method known as magnetic resonance spectroscopy (MRS), which is used to determine the presence and quantity of a number of chemicals in the brain.

Secondary Outcome Measures:
  • Cognitive function of simple motor and complex motor reflexes will be assessed via the Attention Network Test (ANT). [ Time Frame: 2 months ] [ Designated as safety issue: No ]
    The Attention Network Test (ANT) is a simple computerized test designed to evaluate the efficiency of the attentional networks involved in: alerting, orienting and executive attention.

Enrollment: 37
Study Start Date: March 2010
Study Completion Date: January 2014
Primary Completion Date: January 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Patients taking the drug Minalcipran Drug: Milnacipran
Patients will take an increasing number of 12.5mg pills for the first 9 days during the "ramp up" period and then take one 50mg pill in the morning and one 50mg pill in the evening for the remaining 8 weeks of the study.
Placebo Comparator: Patients taking the placebo Drug: Placebo
Patients will take an increasing number of placebo pills for the first 9 days during the "ramp up" period and then take one pill in the morning and one in the evening for the remaining 8 weeks of the study.

Detailed Description:

Patients with Fibromyalgia will show elevated ventricular lactate levels as measured via magnetic resonance spectroscopy (MRS). Patients treated with Milnacipran will show normalization of ventricular lactate levels compared to those treated with placebo, and will also show normalization of the increased latency to respond to complex reaction time probes compared to those treated with placebo.


Ages Eligible for Study:   18 Years to 68 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Female or male subjects who fulfill the American College of Rheumatology's case definition for Fibromyalgia.
  • 18 through 68 years of age

Exclusion Criteria:

  • Pregnant or trying to become pregnant
  • Taking any other SNRI or already taking milnacipran
  • Patients who do not indicate their pain levels as less than substantial despite their best care
  • History of any psychotic disorder or history of alcoholism or drug abuse within 10 years of intake as determined by psychiatric diagnostic interview
  • Presence of current depression as determined by psychiatric diagnostic interview
  • Presence of brain lesion on MRI anatomical study
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01108731

United States, New York
Pain and Fatigue Study Center - Beth Israel Medical Center
New York, New York, United States, 10003
Sponsors and Collaborators
Beth Israel Medical Center
Forest Laboratories
Principal Investigator: Benjamin H Natelson, MD Beth Israel Medical Center
  More Information

Additional Information:
No publications provided

Responsible Party: Beth Israel Medical Center Identifier: NCT01108731     History of Changes
Other Study ID Numbers: BIMC #212-09
Study First Received: March 30, 2010
Last Updated: February 19, 2014
Health Authority: United States: Institutional Review Board

Additional relevant MeSH terms:
Myofascial Pain Syndromes
Muscular Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Neuromuscular Diseases
Nervous System Diseases
Antidepressive Agents
Psychotropic Drugs
Central Nervous System Agents
Therapeutic Uses
Pharmacologic Actions
Serotonin Uptake Inhibitors
Neurotransmitter Uptake Inhibitors
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Serotonin Agents
Physiological Effects of Drugs
Adrenergic Uptake Inhibitors
Adrenergic Agents processed this record on September 18, 2014