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Medline ® Abstract for Reference 239

of '肝病患者的化疗肝毒性和剂量调整'

239
TI
Phase I and pharmacokinetic study of sorafenib in patients with hepatic or renal dysfunction: CALGB 60301.
AU
Miller AA, Murry DJ, Owzar K, Hollis DR, Kennedy EB, Abou-Alfa G, Desai A, Hwang J, Villalona-Calero MA, Dees EC, Lewis LD, Fakih MG, Edelman MJ, Millard F, Frank RC, Hohl RJ, Ratain MJ
SO
J Clin Oncol. 2009;27(11):1800. Epub 2009 Mar 2.
 
PURPOSE: We sought to characterize the pharmacokinetics (PK) and determine a tolerable dose of oral sorafenib in patients with hepatic or renal dysfunction.
PATIENTS AND METHODS: Patients were assigned to one of nine cohorts: cohort 1, bilirubin<or = upper limit of normal (ULN) and AST<or = ULN and creatinine clearance (CC)>or = 60 mL/min; cohort 2, bilirubin more than ULN but<or = 1.5x ULN and/or AST more than ULN; cohort 3, CC between 40 and 59 mL/min; cohort 4, bilirubin more than 1.5x ULN to<or = 3x ULN (any AST); cohort 5, CC between 20 and 39 mL/min; cohort 6, bilirubin more than 3x ULN to 10x ULN (any AST); cohort 7, CC less than 20 mL/min; cohort 8, albumin less than 2.5 mg/dL (any bilirubin/AST); and cohort 9, hemodialysis. Sorafenib was administered as a 400-mg dose on day 1 for PK, and continuous daily dosing started on day 8.
RESULTS: Of 150 registered patients, 138 patients were treated. With the exception of cohorts 6 and 7, at least 12 patients per cohort were assessable, and the dose level with prospectively defined dose-limiting toxicity in less than one third of patients by day 29 was considered tolerable. No significant associations between the sorafenib PK and cohort were found.
CONCLUSION: We recommend the following empiric sorafenib starting doses by cohort: cohort 1, 400 mg twice a day; cohort 2, 400 mg twice a day; cohort 3, 400 mg twice a day; cohort 4, 200 mg twice a day; cohort 5, 200 mg twice a day; cohort 6, not even 200 mg every third day tolerable; cohort 7, not defined; cohort 8, 200 mg each day; and cohort 9, 200 mg each day.
AD
Comprehensive Cancer Center of Wake Forest University, Wake Forest University School of Medicine, Winston-Salem, NC, USA. aamiller@wfubmc.edu
PMID