Conditions: Fibromyalgia, Primary Fibromyalgia, Secondary
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 308
Healthy volunteers: no

Brief summary:
The main purpose of this study is to determine if 30 milligrams (mg) of duloxetine is effective in the treatment of fibromyalgia compared to placebo.

Detailed description:

Arms:
arm 1: None arm 2: None

Interventions: intervention 1: Duloxetine intervention 2: Placebo
Intervention descriptions: intervention 1: 30 milligrams (mg) dose daily (QD) by mouth (po) at the same time each day for 12 weeks intervention 2: QD po at the same time each day for 12 weeks

Protocol document: