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Year : 2014  |  Volume : 19  |  Issue : 2  |  Page : 56-61

A comparative study of olanzapine versus asenapine in acute treatment of manic episode: A 3-week prospective study

Department of Psychiatry, Government Medical College and Hospital, Chandigarh, India

Correspondence Address:
Ajeet Sidana
Department of Psychiatry, 5th Level, D-Block, Government Medical College and Hospital, Sector 32, Chandigarh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-8990.153711

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Introduction: Treatment of bipolar disorders has evolved over the years from conventional mood stabilizers to second-generation antipsychotics. Among the atypical antipsychotics, few have been approved by Food and Drug Administration as treatment of bipolar disorders. Aim: To study the efficacy and tolerability of olanzapine and asenapine in the acute treatment of bipolar disorder-manic episode in a 3-week randomized prospective study. Materials and Methods: A 3-week randomized, prospective, comparative, flexible doses of olanzapine (5-30 mg/day) and asenapine (10-20 mg/day) for acute treatment of bipolar disorder-current manic episode with or without psychotic symptoms in hospitalized patients. Results: The end-point reduction in mean score of Young Mania rating scale in the olanzapine group was 15.82 in comparison to 6.88 in the asenapine group. Mean score on clinical global impression for bipolar disorder and positive and negative syndrome scale was significantly less in the olanzapine group at the end of the study. 81.81% patients in olanzapine group and 17.60% patients in asenapine group had clinical response. There was significant average weight gain in the olanzapine group - 1.9 kg in comparison to 0.87 kg in asenapine group. Conclusion: The clinical response with olanzapine is significantly higher than the asenapine in the treatment of bipolar disorder-manic episode with or without psychotic symptoms. However, there is significant weight gain in olanzapine-treated patients.

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