Serum prolactin levels and the acute-phase efficacy in drug-naive schizophrenia treated with ziprasidone and olanzapine (translated version).
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OBJECTIVES. To study the efficacy and associated serum prolactin levels of ziprasidone and olanzapine treatment in drug-naive schizophrenia patients. METHODS. All 78 inpatients with drug-naive schizophrenia were recruited from the Department of Psychology, The Third Affiliated Hospital of Sun Yat-sen University. They were divided into either olanzapine group (n = 49 [24 men, 25 women]; mean [standard deviation] age, 24 [6] years) or ziprasidone group (n = 29 [14 men, 15 women]; mean [standard deviation] age, 23 [7] years), all of whom were treated for 4 weeks. The serum prolactin level, the Positive and Negative Syndrome Scale (PANSS), Clinical Global Impression-Severity (CGI-S), and Clinical Global Impression-Improvement scores were measured before and at the end of treatment. RESULTS. In the olanzapine group, the respective mean (standard deviation) PANSS and CGI-S scores after the treatment (62 +/- 15 and 3 +/- 1) were significantly lower than those before the treatment (104 +/- 14 and 6 +/- 1) [p < 0.01]. In the ziprasidone group, the corresponding scores after the treatment (75 +/- 20 and 4 +/- 1) were also significantly lower than those before the treatment (104 +/- 17 and 6 +/- 1) [p < 0.01]. The decreases in mean (standard deviation) PANSS total (42 +/- 17) and PANSS positive scores (12 +/- 6) in the olanzapine group were significantly higher than those in the ziprasidone group (29 +/- 12 and 6 +/- 4, respectively) [p < 0.01]. The increase of serum prolactin in the ziprasidone female group (47 +/- 51 microg/L) was significantly higher than that in the ziprasidone male group (17 +/- 11 microg/L), the olanzapine male group (5 +/- 16 microg/L), and the olanzapine female group (21 +/- 34 microg/L) [p < 0.05]. CONCLUSIONS. Both ziprasidone and olanzapine are effective for treating drug-naive acute schizophrenia, but olanzapine was superior to ziprasidone in terms of positive and general psychopathological symptoms. In women, ziprasidone was associated with greater changes in prolactin level than olanzapine. (+info)
Designing adverse event forms for real-world reporting: participatory research in Uganda.
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