Quetiapine monotherapy in bipolar disorder: Two years maintenance treatment in an elderly woman.

Queatiapine has been used in bipolar mania and most recently in bipolar depression with good results. However its use in maintenance treatment has not been established yet. A case of an elderly woman suffering from bipolar disorder and diabetes mellitus (type II) is presented. The use of quetiapine as a monotherapy (300 mg/day) was efficient and safe and proved to be a good treatment in mood stabilization for two years.