Abstract
ObjectiveContemporary treatment guidelines recommend use of second-generation antipsychotics (SGAs) either as mono therapy or in combination with mood stabilizers as first-line treatment. While these drugs have been established to have superior efficacy compared to placebo, there is very less data comparing these antipsychotics with one another. We sought to study differences in the five-year outcome of first episode of mania (FEM) treated with olanzapine or risperidone, either alone or in combination with mood stabilizer.MethodsWe conducted a retrospective chart review of patients diagnosed with FEM (ICD-10) in the year 2008 (n = 88) at our centre. We selected the data of patients prescribed either olanzapine or risperidone for the purpose of this analysis. We extracted data about time to recovery and recurrence after FEM, total episodes, drug compliance and response, and number of follow-up visits from 2008 to 2013. The study was approved by the Institute Ethics Committee.ResultsA total of 88 patients received diagnosis of FEM in the year 2008, of which 50 (56.8%) received risperidone and 35 (39.8%) received olanzapine. The two groups were comparable in socio-demographic and clinical symptomatology of FEM (all P > 0.08). Complete recovery was significantly more in the olanzapine group than the risperidone group (χ2 = 4.84, P < 0.05).ConclusionOur study indicates that risperidone and olanzapine, either alone or in combination with mood stabilizers have a similar impact on the five-year course of BD following a first manic episode. However, olanzapine is associated with more complete recovery from FEM than risperidone.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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