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KMID : 0605720080140010049
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Journal of the Korean Society of Biological Therapies in Psychiatry
2008 Volume.14 No. 1 p.49 ~ p.57
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The Study for the First-Drug Prescription Rate and Maintenance Rate of Antipsychotics in Patients Who Developed(Were Diagnosed With) Schizophrenia and Schizoaffective Disorder in a General Hospital
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Wang Kuan-Shu
Kim Jeong-Gee
Cho Dong-Hwan
Je Ho-Jun
Seo Young-Ik
Jang Og-Jin
Choi Seong-Jin
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Abstract
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Objectives: This study was designed to evaluate prescription rate and indirectly the tolerability of antiosychotics using the maintenance rate for 1 year. The study was done in a situation where the patients who were diagnosed with either schizophrenia or schizoaffective disorder were given the antipsychotics and were looked into the prescription rate and the state of use of drugs at first regardless of kind of drugs.
Methods: This was a retrospective, naturalistic study using the data from medical record conducted in both inpatients and outpatients from January 1st in 2002 and June 30th in 2004 with a diagnosis of schizophrenia and schizoaffective disorder as defined by the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition. Patients were evaluated at 3, 6, 9, and 12th months after the onset of medication for the first-drug prescription rate and maintenance rate.
Results: In total, 105 patients were recruited, and 40 out of 105 were male and 65 out of 105 were female. The mean age was 34.71 years old. The number of patients with schizophrenia was 94 and that of schizoaffective disorder was 11. For the prescription rate of first drugs, of total risperidone was 56.2% ; likely, 25.7% for olanzapine ; 10.5% for haloperidol ; 4.8% for quetiapine ; and 2.9% for chlorpromazine. For 1-year maintenance rate, of total, haloperidol was 45.5% ; 33.3% for chlorpromazine ; 22.0% for risperidone ; 14.8% for olanzapine ; and 20.0% for quetiapine.
Conclusion: Overall, atypical antipsychotics were far more prescribed than typical ones(86.7% and 13.3% for atypical and typical anti psychotics respectively). Although atypical antipsychotics were more prescribed than typical ones, the one-year maintenance rate was not higher than typical anti psychotics unlike our expectation that atypical antipsychotics would have better compliance and higher maintenance rate for 1 year under the circumstances with uncontrolled naturalistic conditions. There should be more statistical data available with larger sample size in the future.
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KEYWORD
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Schizophrenia, Antipsychotics, Maintenance rate
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