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Medline ® Abstract for Reference 175

of 'Systemic chemotherapy for nonoperable metastatic colorectal cancer: Treatment recommendations'

175
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Ramucirumab versus placebo in combination with second-line FOLFIRI in patients with metastatic colorectal carcinoma that progressed during or after first-line therapy with bevacizumab, oxaliplatin, and a fluoropyrimidine (RAISE): a randomised, double-blind, multicentre, phase 3 study.
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Tabernero J, Yoshino T, Cohn AL, Obermannova R, Bodoky G, Garcia-Carbonero R, Ciuleanu TE, Portnoy DC, Van Cutsem E, Grothey A, PrausováJ, Garcia-Alfonso P, Yamazaki K, Clingan PR, Lonardi S, Kim TW, Simms L, Chang SC, Nasroulah F, RAISE Study Investigators
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Lancet Oncol. 2015;16(5):499. Epub 2015 Apr 12.
 
BACKGROUND: Angiogenesis is an important therapeutic target in colorectal carcinoma. Ramucirumab is a human IgG-1 monoclonal antibody that targets the extracellular domain of VEGF receptor 2. We assessed the efficacy and safety of ramucirumab versus placebo in combination with second-line FOLFIRI (leucovorin, fluorouracil, and irinotecan) for metastatic colorectal cancer in patients with disease progression during or after first-line therapy with bevacizumab, oxaliplatin, and a fluoropyrimidine.
METHODS: Between Dec 14, 2010, and Aug 23, 2013, we enrolled patients into the multicentre, randomised, double-blind, phase 3 RAISE trial. Eligible patients had disease progression during or within 6 months of the last dose of first-line therapy. Patients were randomised(1:1) via a centralised, interactive voice-response system to receive 8 mg/kg intravenous ramucirumab plus FOLFIRI or matching placebo plus FOLFIRI every 2 weeks until disease progression, unacceptable toxic effects, or death. Randomisation was stratified by region, KRAS mutation status, and time to disease progression after starting first-line treatment. The primary endpoint was overall survival in the intention-to-treat population. This study is registered with ClinicalTrials.gov, number NCT01183780.ld
FINDINGS: We enrolled 1072 patients (536 in each group). Median overall survival was 13·3 months (95% CI 12·4-14·5) for patients in the ramucirumab group versus 11·7 months (10·8-12·7) for the placebo group (hazard ratio 0·844 95% CI 0·730-0·976; log-rank p=0·0219). Survival benefit was consistent across subgroups of patients who received ramucirumab plus FOLFIRI. Grade 3 or worse adverse events seen in more than 5% of patients were neutropenia (203 [38%]of 529 patients in the ramucirumab group vs 123 [23%]of 528 in the placebo group, with febrile neutropenia incidence of 18 [3%]vs 13 [2%]), hypertension (59 [11%]vs 15 [3%]), diarrhoea (57 [11%]vs 51 [10%]), and fatigue (61 [12%]vs 41 [8%]).
INTERPRETATION: Ramucirumab plus FOLFIRI significantly improved overall survival compared with placebo plus FOLFIRI as second-line treatment for patients with metastatic colorectal carcinoma. No unexpected adverse events were identified and toxic effects were manageable.
FUNDING: Eli Lilly.
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Medical Oncology Department, Vall d'Hebron University Hospital and Institute of Oncology, Universitat Autònoma de Barcelona, Barcelona, Spain. Electronic address: jtabernero@vhio.net.
PMID