ISSN: 1876-1038 (Online)
ISSN: 1574-8871 (Print)


Volume 9, 4 Issues, 2014


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Reviews on Recent Clinical Trials

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Stanislaw R. Burzynski
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What About Platelet Counts in Clozapine Users?

Author(s): Murad Atmaca, Faruk Kilic, Abdulgani Temizkan and Bilal Ustundag

Affiliation: Firat (Euphrates) √úniversitesi, Firat Tip Merkezi, Psikiyatri Anabilim Dali, 23119, Elazig/Turkey.

Abstract

Objective: In this retrospective study, we aimed to evaluate platelet changes in patients taking clozapine for a variety of psychiatric disorders and hypothesized that there would be any changes in the course of the treatment.

Methods: Diagnoses were based on Diagnostic and Statistical Manual of Mental Disorders 4th edition. Forty-three patients, with the mean age of 36.23±6.35 years were included into final analysis. Morning venous blood samples were used for platelet counts. Correlation analyses were performed between platelet counts and clozapine doses.

Results: Paired t test did not reveal a significant change in platelet counts at the end visit compared to those of first assessment (p>0.05). Seven (17.9%) of 39 patients had platelet count below 180000 per cubic millimeter at least one time during their clozapine use. In five of these patients, the platelet count returned to a level above 180000 per cubic millimeter, without any dose change or other interventions. On the other hand, as for the issue of increased platelet count, results demonstrated that seven (17.9%) had platelet count above 400000 per cubic millimeter at least one time during clozapine use.

Conclusion: The present investigation revealed that platelet changes beyond WBC changes should be taken into consideration when using clozapine. Clinicians should be aware of the deviations from absolute threshold values.


Keywords: Platelet, clozapine, WBC, retrospective, side effect.

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Article Details

Volume: 8
Issue Number: 2
First Page: 74
Last Page: 77
Page Count: 4
DOI: 10.2174/15748871113089990041
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