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| | 1300 -- N-Desmethylclozapine, an Insensitive Marker of Clozapine-Induced Agranulocytosis and Granulocytopenia (Site not responding. Last check: 2007-10-27) |
 | | Michael D. Combs, Pharm.D., Paul J. Perry, Ph.D., and Kristine A. Bever, Pharm.D. We reviewed the charts of 58 patients with treatment-refractory schizophrenia who were receiving clozapine, to determine if the drug's active metabolite, N-desmethylclozapine, is a biologic marker for impending clozapine-induced granulocytopenia and agranulocytosis. |
 | | No significant correlation between granulocyte counts and patient demographic variables of clozapine and N-desmethylclozapine steady-state plasma concentrations, clozapine:N-desmethylclozapine ratio, age, gender, clozapine dosage, smoking status, and race were found. |
 | | On the contrary, its plasma concentrations correlated positively with granulocyte counts. |
| www.accp.com /pharmacotherapy/Abs17_6/1300.htm (123 words) |
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