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Bipolar rapid cycling: focus on depression as its hallmark
J R Calabrese1, M D Shelton, C L Bowden
1Department of Psychiatry at University Hospitals of Cleveland and Case Western Reserve University School of Medicine, Cleveland, Ohio, USA. Jrc8@po.cwru.edu
The Journal of Clinical Psychiatry
|July 27, 2001
Summary
Rapid cycling bipolar disorder often involves severe depression. Lamotrigine shows promise as a maintenance therapy for bipolar II disorder, addressing the unmet need for effective antidepressant treatment without cycle acceleration.
Area of Science:
- Psychiatry
- Pharmacology
- Neuroscience
Background:
- Rapid cycling bipolar disorder is characterized by frequent mood episodes, often with severe depression.
- Existing treatments like lithium and divalproex show efficacy but do not fully address the unmet need for antidepressant effects without cycle acceleration.
- Antidepressant use is cautioned due to potential for inducing mood switching or cycle acceleration.
Purpose of the Study:
- To evaluate the efficacy of lamotrigine as a maintenance therapy for patients with rapid-cycling bipolar disorder.
- To address the unmet need for antidepressant pharmacotherapy that avoids inducing mood switching or cycle acceleration.
Main Methods:
- A multicenter study examined lamotrigine as a maintenance therapy in patients with rapid-cycling bipolar disorder.
- The study focused on efficacy and safety, particularly concerning mood stabilization and cycle acceleration.
Main Results:
- Preliminary data suggest lamotrigine may be a useful treatment for rapid-cycling bipolar II disorder.
- Lamotrigine demonstrated efficacy in maintenance therapy for this population.
- The drug appears to address the unmet need for effective antidepressant treatment without cycle acceleration.
Conclusions:
- Lamotrigine shows potential as a maintenance treatment for rapid-cycling bipolar II disorder.
- This pharmacotherapy addresses a critical unmet need in managing frequent depressive episodes in rapid cycling bipolar disorder.
- Further research is warranted to confirm lamotrigine's role in managing rapid cycling bipolar disorder.