期刊
JOURNAL OF CLINICAL PHARMACOLOGY
卷 50, 期 2, 页码 188-194出版社
WILEY
DOI: 10.1177/0091270009336137
关键词
Nilotinib; pharmacokinetics; grapefruit juice
资金
- Novartis Pharmaceuticals Corporation
Nilotinib (Tasigna; Novartis Pharmaceuticals) is a second-generation BCR-ABL tyrosine kinase inhibitor newly approved for the treatment of imatinib-resistant or imatinib-intolerant Philadelphia chromosome positive (Ph+) chronic myeloid leukemia in chronic phase or accelerated phase. This study evaluated the effect of grapefruit juice on the pharmacokinetics of nilotinib in 21 healthy male participants. All participants underwent 2 study periods during which they received a single oral dose of 400 mg nilotinib with 240 mL double-strength grapefruit juice or 240 mL water in a crossover fashion. Serial blood samples were collected for the determination of serum nilotinib concentrations by a validated liquid chromatography/tandem mass spectrometry assay. Concurrent intake of grapefruit juice increased the nilotinib peak concentration (C-max) by 60% and the area under the serum concentration-time curve (AUC(0-infinity)) by 29% but did not affect the time to reach C-max or the elimination half-life of nilotinib. The most common adverse events were headache and vomiting, which were mild or moderate in severity, and their frequency appeared to be similar between 2 treatments. Based on the currently available information about nilotinib and the observed extent of increase in nilotinib exposure, concurrent administration of nilotinib with grapefruit juice is not recommended.
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