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  • Title: Pharmacokinetics and safety of a 7-day administration of intravenous itraconazole followed by a 14-day administration of itraconazole oral solution in patients with hematologic malignancy.
    Author: Boogaerts MA, Maertens J, Van Der Geest R, Bosly A, Michaux JM, Van Hoof A, Cleeren M, Wostenborghs R, De Beule K.
    Journal: Antimicrob Agents Chemother; 2001 Mar; 45(3):981-5. PubMed ID: 11181397.
    Abstract:
    The pharmacokinetics and safety of an intravenous hydroxypropyl-beta-cyclodextrin solution of itraconazole administered for 7 days followed by itraconazole oral solution administered at 200 mg once or twice daily for 14 days were assessed in 17 patients with hematologic malignancies. Steady-state plasma itraconazole concentrations were reached by 48 h after the start of intravenous treatment. The mean trough plasma itraconazole concentration at the end of the intravenous treatment was 0.54 +/- 0.20 microg/ml. This concentration was not maintained during once-daily oral treatment but increased further in the twice-daily treatment group, with a trough itraconazole concentration of 1.12 +/- 0.73 microg/ml at the end of oral treatment. As expected in the patient population studied, all patients experienced some adverse events (mainly gastrointestinal). Biochemical and hematologic abnormalities were frequent, but no consistent changes occurred. In conclusion, 7 days of intravenous treatment followed by 14 days of twice-daily oral treatment with itraconazole solution enables plasma itraconazole concentrations of at least 0.5 microg/ml to be reached rapidly and to be maintained. The regimen is well tolerated and has a good safety profile.
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