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

Inclusion Criteria:

1. Patients with diagnosis of chronic wide-spread pain for at least 3 months, who
fulfill the 1990 ACR Criteria for FM.

2. Patients with mean pain ratings ≥ 4.0 VAS units, at Screening and Baseline visits.

3. Patients, who are able to comprehend and satisfactorily comply with protocol
requirements.

4. 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).

5. 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

Exclusion Criteria:

1. FM patients unwilling or unable to discontinue analgesics (except Tylenol) for at
least 5 drug half-lives prior to enrollment.

2. Patient has previously failed treatment with Milnacipran for FM pain.

3. Patients who have been treated with MAO inhibitors within 30 days prior to the
Baseline Visit.

4. Patients who received ECT within 3 months prior to the Screening Visit.

5. 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.

6. Patients who have participated in any clinical trial within one month prior to the
Screening Visit.

7. 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.

8. Patients with severe renal insufficiency (Creatinine clearance < 30 ml/min)

9. Patient has a BDI score >29

10. 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.

11. 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.

12. 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.

13. 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.