From the FDA Drug Label
As ZYPREXA and Fluoxetine in Combination for the: Treatment of depressive episodes associated with bipolar I disorder. (1. 5) Quetiapine fumarate tablet is indicated as monotherapy for the acute treatment of depressive episodes associated with bipolar disorder.
Bipolar Disorder in Depressive Mood:
- Olanzapine in combination with fluoxetine is indicated for the treatment of depressive episodes associated with bipolar I disorder.
- Quetiapine is indicated as monotherapy for the acute treatment of depressive episodes associated with bipolar disorder. 1 and 2
From the Research
Bipolar disorder in a depressive mood phase requires prompt treatment with mood stabilizers, such as lithium or lamotrigine, and possibly quetiapine, under careful psychiatric supervision. The most recent and highest quality study 3 suggests that first-line medication options include lithium (600-1200 mg/day), lamotrigine (100-200 mg/day), or valproate (750-1500 mg/day) as mood stabilizers. For severe depression, quetiapine (300 mg/day) may be added, as it has been shown to be effective in the treatment of bipolar depression 4. Treatment typically continues for at least 6-12 months after symptom resolution, with mood stabilizers often maintained indefinitely.
Some key points to consider in the treatment of bipolar disorder in a depressive mood phase include:
- The importance of early diagnosis and treatment, as delayed treatment can lead to a more unfavorable prognosis 3
- The need for careful monitoring of mood changes and regular follow-up appointments to prevent the cycling between depression and mania 3
- The potential benefits of combining lamotrigine with quetiapine, as shown in the CEQUEL trial 5, although folic acid may reduce the effectiveness of lamotrigine
- The importance of considering the potential adverse effects of each medication, such as weight gain and somnolence, and individualizing treatment decisions based on these factors 6, 7
Overall, a comprehensive approach that addresses both the current depressive episode and helps prevent the cycling between depression and mania is essential in the treatment of bipolar disorder in a depressive mood phase. This approach should include medication, psychotherapy, and lifestyle modifications, such as regular sleep patterns, stress management, and avoiding alcohol and recreational drugs.