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Phase I Safety, Pharmacokinetic and Pharmacodynamic Trial of BMS-599626 (AC480), an Oral pan-HER Receptor Tyrosine Kinase Inhibitor, in Patients With Advanced Solid Tumors

Phase I Safety, Pharmacokinetic and Pharmacodynamic Trial of BMS-599626 (AC480), an Oral pan-HER Receptor Tyrosine Kinase Inhibitor, in Patients With Advanced Solid Tumors

J-C Soria, J Cortes, C Massard, J-P Armand, D De Andreis, S Ropert, E Lopez, A Catteau, J James, J-F Marier, M Beliveau, R E Martell, J Baselga

Ann Oncol. 2012 Feb;23(2):463-71.

PMID: 21576284

Abstract:

Purpose:
We studied the safety, tolerability, and recommended dose of BMS-599626, an orally bioavailable inhibitor of the human epidermal growth factor receptor (HER) family of receptor tyrosine kinases.
Patients and methods:
Patients with advanced solid tumors that expressed epidermal growth factor receptor (EGFR) and/or HER-2 were recruited and enrolled in a phase I, open-label, dose escalation trial of oral BMS-599626 starting at 100 mg/day given once daily for at least 28 days.
Results:
Forty-five patients received BMS-599626 (100-660 mg/day). Dose-limiting toxic effects were reported at 660 mg/day (grade 3 elevation of hepatic transaminases [two patients] and QTc interval prolongation [one patient]), therefore the recommended maximum tolerated dose was 600 mg/day. The most frequent drug-related toxic effects were diarrhea (30% of patients), anorexia (13%), asthenia (30%), and cutaneous toxic effects, including skin rash (30%). Pharmacokinetic analysis demonstrated C(max) and exposure to BMS-599626 in patients increased with dose. Eleven patients had stable disease and received BMS-599626 for ≥ 4 months. Serial skin and tumor biopsies taken before and after treatment revealed expected changes in pharmacodynamic biomarkers, indicating that the EGFR and HER-2 pathways were affected. Positron emission tomography imaging showed a metabolic response in 2 of 10 patients evaluated.
Conclusion:
BMS-599626 was generally well tolerated, with disease stabilization across a range of tumor types and doses.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP714971092	BMS-599626		714971-09-2	Price

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