Treatment of fibromyalgia (Fibrositis syndrome): A parallel double blind trial with carisoprodol, paracetamol and caffeïne (Somadril comp®) versus placebo

Abstract
Forty-three of fifty-eight (74.1%) female patients with fibromyalgia completed an eight-week treatment period testing the combination of carisoprodol, paracetamol (acetaminophen) and caffeine versus placebo. Twenty-three patients received placebo and twenty active medication. In the placebo group 56.5% of the patients used additional analgesics or nonsteroidal anti-inflammatory drugs compared to only 20% in the active treatment group (p=0.015). Forty-three percent of the patients in the placebo group and none of the patients in the active treatment group used tricyclic antidepressants, anxiolytics or sedatives (p=0.0008). Active treatment gave statistically significant improvement after treatment for pain (p.