Clinical pharmacokinetics of the BCR-ABL tyrosine kinase inhibitor nilotinib

C. Tanaka, O. Q P Yin, V. Sethuraman, T. Smith, X. Wang, K. Grouss, H. Kantarjian, F. Giles, O. G. Ottmann, L. Galitz, H. Schran

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This article describes studies that investigated the pharmacokinetics of nilotinib, a highly specific, oral, second-generation BCR-ABL tyrosine kinase inhibitor. After a once-or twice-daily regimen at doses ranging from 50 to 1,200mg/day in 119 patients with chronic myeloid leukemia (CML), the area under the serum concentration-time curve (AUC) and peak serum concentration (C max ) of nilotinib were found to be nearly dose proportional up to a dose of 400mg once daily. Solubility-limited absorption at higher doses was observed, but this was partially overcome by dividing the daily dose into two. For instance, the administration of 400mg nilotinib twice daily resulted in a 35% increase in AUC as compared to a once-daily dose of 800mg. Exploratory pharmacodynamic assessment showed a general trend of greater reduction in white blood cell (WBC) levels with increase in nilotinib concentrations. This finding was consistent with the observation of an 82% reduction in WBC levels in patients after a regimen of 400mg nilotinib twice daily for 15 days. The type and quantity of food intake variably affected nilotinib absorption. When administered after a high-fat meal, the AUC of nilotinib increased by 50% in CML patients (n = 10) and by 82% in healthy volunteers (n = 44).

Original languageEnglish (US)
Pages (from-to)197-203
Number of pages7
JournalClinical Pharmacology and Therapeutics
Issue number2
StatePublished - Feb 1 2010

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)

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    Tanaka, C., Yin, O. Q. P., Sethuraman, V., Smith, T., Wang, X., Grouss, K., Kantarjian, H., Giles, F., Ottmann, O. G., Galitz, L., & Schran, H. (2010). Clinical pharmacokinetics of the BCR-ABL tyrosine kinase inhibitor nilotinib. Clinical Pharmacology and Therapeutics, 87(2), 197-203.