CLINICAL PHARMACOKINETICS OF IFOSFAMIDE IN COMBINATION WITH N-ACETYLCYSTEINE

被引:6
作者
BENVENUTO, JA [1 ]
AYELE, W [1 ]
LEGHA, SS [1 ]
RABER, MN [1 ]
NICAISE, C [1 ]
NEWMAN, RA [1 ]
机构
[1] BRISTOL MYERS SQUIBB CO,WALLINGFORD,CT 06492
关键词
IFOSFAMIDE; N-ACETYLCYSTEINE; PHARMACOKINETICS;
D O I
10.1097/00001813-199202000-00004
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
The pharmacokinetics of ifosfamide were studied in 20 patients with soft tissue and bone sarcomas. Drug was administered as a 30-60 min i.v. infusion at 1.2 or 2.0 mg/m2/day for five consecutive days. Some patients also received 1.5 g/m2 of N-acetylcysteine (NAC) administered 3 times per day during the course of therapy. NAC had no effect on ifosfamide pharmacokinetics. There were significant differences in plasma half-life, area under the concentration-time curve and plasma clearance on day 1 versus day 5 of ifosfamide administration. Myelosuppression and granulocytopenia correlated better with day 1 versus day 5 ifosfamide pharmacokinetics suggesting that the alteration of ifosfamide pharmacology with multiple dosing has a significant effect on drug activity.
引用
收藏
页码:19 / 23
页数:5
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