Effect of duloxetine in patients with fibromyalgia: tiredness subgroups

Table 1 Summary of placebo-controlled trials of duloxetine for the treatment of fibromyalgia

Study	Treatment duration^a(weeks)	Placebo (n)	Dosage	Duloxetine (n)
Arnold and colleagues 2004 [8]	12	103	60 mg BID	104
Arnold and colleagues 2005 [9]	12	120	60 mg QD	118
			60 mg BID	116
			20 mg QD	79
Russell and colleagues 2008 [11]	28	144	60 mg QD	150
			120 mg QD	147
Chappell and colleagues 2008 [10]	28	168	60/120 mg QD	162

^aThree-month data are included in the analyses presented. BID, twice daily; QD, once daily.

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