PMID: 25750312Mar 10, 2015Paper

Phase I study of everolimus, cetuximab and irinotecan as second-line therapy in metastatic colorectal cancer

Anticancer Research
J Randolph HechtSunil Sharma

Abstract

To evaluate feasible doses of weekly everolimus and irinotecan given with cetuximab for previously treated metastatic colorectal cancer (mCRC). Adults with mCRC that progressed after 5-fluorouracil or capecitabine-plus-oxaliplatin were treated using a sequential dose escalation scheme. Dosing decisions were based on the probability of experiencing a dose-limiting toxicity (DLT) during the first two 21-day treatment cycles. Patients received everolimus 30 mg/week plus irinotecan 350 mg/m2 q3w (n=5; dose A1) or everolimus 30 mg/week plus irinotecan 250 mg/m2 q3w (n=14; dose B1). Among patients evaluable for the maximum tolerated dose, two out of four in A1 and one out of eight in B1 experienced four DLTs. The trial was terminated early based on changes in clinical practice and emerging data on everolimus dosing. The feasible doses of everolimus and irinotecan administered with cetuximab as second-line therapy in mCRC were 30 mg/week and 250 mg/m2, respectively.

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