Pharmacokinetics of eribulin mesylate in patients with solid tumors and hepatic impairment.

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Devriese LA, Witteveen PO, Marchetti S, Mergui-Roelvink M, Reyderman L, Wanders J, Jenner A, Edwards G, Beijnen JH, Voest EE, Schellens JH

Pharmacokinetics of eribulin mesylate in patients with solid tumors and hepatic impairment.

Cancer Chemother Pharmacol. 2012 Dec;70(6):823-32. doi: 10.1007/s00280-012-1976-x. Epub 2012 Sep 26.

PubMed ID
23010853 [ View in PubMed
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Abstract

PURPOSE: The aim of this study was to determine the plasma pharmacokinetics of eribulin mesylate in patients with solid tumors with mild and moderate hepatic impairment. PATIENTS AND METHODS: A phase I, pharmacokinetic study was performed in patients with advanced solid tumors and normal hepatic function or Child-Pugh A (mild) or Child-Pugh B (moderate) hepatic impairment. Treatments were given on day 1 and 8 of a 21-day cycle and consisted of 1.4, 1.1 and 0.7 mg/m(2) eribulin mesylate, for normal hepatic function, Child-Pugh A and B hepatic impairment, respectively. Also safety and anti-tumor activity were determined. RESULTS: Hepatic impairment increased exposure to eribulin. In patients with Child-Pugh A (N = 7) and Child-Pugh B (N = 5), mean dose-normalized AUC(0-infinity) was 1.75-fold (90 % confidence intervals (CI): 1.16-2.65) and 2.48-fold (90 % CI: 1.57-3.92) increased, respectively, compared with patients who have normal function (N = 6). The most frequently reported treatment-related events were alopecia (12/18) and fatigue (7/18) and these were observed across all groups. Nine patients (50 %) had stable disease as best response. CONCLUSIONS: A reduced dose of 1.1 and 0.7 mg/m(2) of eribulin mesylate is recommended for patients with Child-Pugh A or B hepatic impairment, respectively.

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