Dataset Information

A randomized, phase III trial of sequential capecitabine/5FU plus bevacizumab (Cape/5FU-Bmab) to capecitabine/5FU plus oxaliplatin plus bevacizumab (CapeOX/mFOLFOX6-Bmab) versus combination CapeOX/mFOLFOX6-Bmab in advanced colorectal cancer.

ABSTRACT: Interventions: XELOX(or FOLFOX)+Bevacizumab is given until disease progression. Capecitabine (or LV5FU2)+Bevacizumab is given until disease progression. After progression, XELOX(or FOLFOX)+Bevacizumab is given until disease progression. Primary outcome(s): Time to Failure of Strategy Study Design: Parallel Randomized

DISEASE(S): Advanced And/or Recurrent Colorectal Cancer

PROVIDER: 2630735 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:BackgroundCombination therapy with oral fluoropyrimidine and irinotecan has not yet been established as first-line treatment of metastatic colorectal cancer (mCRC). We carried out a randomized, open-label, phase III trial to determine whether S-1 and irinotecan plus bevacizumab is noninferior to mFOLFOX6 or CapeOX plus bevacizumab in terms of progression-free survival (PFS).Patients and methodsPatients from 53 institutions who had previously untreated mCRC were randomly assigned (1 : 1) to receive either mFOLFOX6 or CapeOX plus bevacizumab (control group) or S-1 and irinotecan plus bevacizumab (experimental group; a 3-week regimen: intravenous infusions of irinotecan 150?mg/m2 and bevacizumab 7.5?mg/kg on day 1, oral S-1 80?mg/m2 twice daily for 2?weeks, followed by a 1-week rest; or a 4-week regimen: irinotecan 100?mg/m2 and bevacizumab 5?mg/kg on days 1 and 15, S-1 80?mg/m2 twice daily for 2?weeks, followed by a 2-week rest). The primary end point was PFS. The noninferiority margin was 1.25; noninferiority would be established if the upper limit of the 95% confidence interval (CI) for the hazard ratio (HR) of the control group versus the experimental group was less than this margin.ResultBetween June 2012 and September 2014, 487 patients underwent randomization. Two hundred and forty-three patients assigned to the control group and 241 assigned to the experimental group were included in the primary analysis. Median PFS was 10.8?months (95% CI 9.6-11.6) in the control group and 14.0?months (95% CI 12.4-15.5) in the experimental group (HR 0.84, 95% CI 0.70-1.02; P?<?0.0001 for noninferiority, P?=?0.0815 for superiority). One hundred and fifty-seven patients (64.9%) in the control group and 140 (58.6%) in the experimental group had adverse events of grade 3 or higher.ConclusionS-1 and irinotecan plus bevacizumab is noninferior to mFOLFOX6 or CapeOX plus bevacizumab with respect to PFS as first-line treatment of mCRC and could be a new standard treatment.Clinical trials numberUMIN000007834.

Dataset Information

A randomized, phase III trial of sequential capecitabine/5FU plus bevacizumab (Cape/5FU-Bmab) to capecitabine/5FU plus oxaliplatin plus bevacizumab (CapeOX/mFOLFOX6-Bmab) versus combination CapeOX/mFOLFOX6-Bmab in advanced colorectal cancer.

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