Which regimen corresponds to quetiapine dosing for acute manic episodes as monotherapy described in the material?

• A. 50 mg BID increased by 50 mg/day to a goal of 200 mg BID
• B. 100 mg daily
• C. 25 mg BID
• D. 200 mg daily

Answer: (A)

The main idea is that treating acute mania with quetiapine as monotherapy requires reaching an effective dose quickly while keeping side effects manageable, achieved by starting low and titrating upward. Beginning at 50 mg twice daily and increasing by 50 mg each day to reach about 400 mg per day (200 mg twice daily) provides a rapid, yet tolerable, antimanic effect. This dosing plan aligns with how quetiapine is typically used for acute mania as monotherapy, balancing the need for mood stabilization with the risk of sedation and other adverse effects that come with higher immediate doses. Lower options, such as a single daily dose of 100 mg, 25 mg twice daily, or 200 mg daily, are unlikely to achieve the necessary therapeutic level for rapid mania control and do not incorporate steady titration toward an effective target. Hence, the schedule that starts low and steps up to a higher, divided daily dose best fits the described monotherapy approach.