Quetiapine XR Versus Sertraline in Acute Bipolar Depression as add-on Therapy

"Flexible dose from 300 to 600 mg/d (combination of tablets of 50mg, 200mg and 300mg) oral, daily, 8 weeks length.~Quetiapine XR was initiated at 50 mg/day and titrated to 100 mg on day 2, 200 mg on day 3, 300 mg on day 4, and flexible doses of 300 to 600 mg/d from day 5 to the end of the study."

"Flexible dose from 50 to 200 mg/d (combination of tablets of 50mg and 100mg) oral, daily, 8 weeks length.~Sertraline titration: 50 mg on day 1-3, 100 mg on day 4, and flexible doses of 50 to 200 mg/d from day 5 to the end of the study."

An adequate mood stabilizer treatment with lithium or valproate(defined as a serum concentration of 0.5-1.2 mEq/L or 50-100 microg/ml, respectively).