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J Antimicrob Chemother. 1995 Oct;36(4):657-63.

Multiple dose pharmacokinetics of an oral solution of itraconazole in patients receiving chemotherapy for acute myeloid leukaemia.

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1
Department of Haematology, Derriford Hospital, Plymouth, UK.

Abstract

The multiple dose pharmacokinetics of a solution of itraconazole given orally were measured in an open study of 20 patients undergoing remission induction chemotherapy for acute myeloid leukaemia. Patients were given itraconazole 5 mg/kg od, 2.5 mg/kg bd, 2.5 mg/kg od or 1.25 mg/kg bd. The mean daily dose of itraconazole was 407 mg for patients receiving 5 mg/kg/day and 148 mg in patients receiving 2.5 mg/kg/day. Mean concentrations of 493 and 495 micrograms/L were achieved on day 8 in patients who received 5 mg/kg/d od or 2.5 mg/kg bd itraconazole respectively. However, mean concentrations were significantly lower for those who received 2.5 mg/kg od itraconazole being 110 micrograms/L on day 8. Mean areas under the serum-concentration time curves were also markedly higher in patients receiving 5 mg/kg/day than in those receiving 2.5 mg/kg/day itraconazole and were 22,382 and 5615 micrograms.h/L on day 15 respectively. These findings suggest that the serum concentrations attained with an oral solution of 5 mg/kg itraconazole either once daily or in two divided doses are suitable for antifungal prophylaxis in patients receiving chemotherapy for acute myeloid leukaemia.

PMID:
8591940
DOI:
10.1093/jac/36.4.657
[Indexed for MEDLINE]

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