Randomized phase II trial of CapOX plus bevacizumab versus CapIRI plus bevacizumab as first-line treatment in Japanese patients with metastatic colorectal cancer (CCOG-1201).
2018
781Background: The aim of this randomized, multicenter, non-comparative phase II trial was to investigate the efficacy and safety of capecitabine/oxaliplatin (CapOX) plus bevacizumab (BEV) and capecitabine/irinotecan (CapIRI) plus BEV as a first-line treatment in Japanese patients with metastatic colorectal cancer (mCRC). Methods: Patients with untreated mCRC were randomly assigned to the following treatment arms; CapOX/BEV arm (bevacizumab 7.5mg/kg and oxaliplatin 130 mg/m2 on day 1, and oral capecitabine 1000 mg/m2 bid on day 1-14, every 3 weeks) and CapIRI/BEV arm (bevacizumab 7.5mg/kg and irinotecan 200 mg/m2 on day 1, and capecitabine 800 mg/m2 bid on day 1-14, every 3 weeks). The primary endpoint was overall response rate (ORR), and secondary end points included progression-free survival (PFS), overall survival (OS), and safety. Results: A total of 107 patients were enrolled. The intent-to-treat population comprised 52 patients in CapOX/BEV arm and 51 patients in CapIRI/BEV arm. The ORR was 58% in C...
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