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Ann Oncol ; 23(4): 933-41, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-21828378

RESUMO

BACKGROUND: Colorectal cancer (CRC) is the second most common malignancy in Japan. Treatment with inhibitors of the vascular endothelial growth factor (VEGF) signalling pathway has proven benefit in metastatic CRC. Cediranib is an oral highly potent VEGF signalling inhibitor that inhibits all three VEGF receptors. PATIENTS AND METHODS: In this phase II, double-blind, placebo-controlled study, 172 patients with metastatic CRC were randomised to receive once-daily cediranib (20 or 30 mg) or placebo, each combined with modified FOLFOX6 (mFOLFOX6). The primary objective was comparison of progression-free survival (PFS). RESULTS: The comparison of cediranib 20 mg versus placebo met the primary objective of PFS prolongation [hazard ratio = 0.70 (95% confidence interval 0.44-1.11), P = 0.167], which met the protocol-defined criterion of P < 0.2. Median PFS was 10.2 versus 8.3 months, respectively. The PFS comparison for cediranib 30 mg versus placebo did not meet the criterion. The most common adverse events (AEs) in the cediranib-containing groups were diarrhoea and hypertension. CONCLUSIONS: Cediranib 20 mg plus mFOLFOX6 met the predefined criteria in terms of improved PFS compared with placebo plus mFOLFOX6. Cediranib 20 mg was generally well tolerated and the AE profile was consistent with previous studies.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Carcinoma/tratamento farmacológico , Carcinoma/secundário , Neoplasias Colorretais/tratamento farmacológico , Neoplasias Colorretais/patologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Carcinoma/sangue , Carcinoma/mortalidade , Neoplasias Colorretais/sangue , Neoplasias Colorretais/mortalidade , Intervalo Livre de Doença , Método Duplo-Cego , Feminino , Fluoruracila/administração & dosagem , Humanos , Japão , Estimativa de Kaplan-Meier , Leucovorina/administração & dosagem , Masculino , Pessoa de Meia-Idade , Compostos Organoplatínicos/administração & dosagem , Oxaliplatina , Quinazolinas/administração & dosagem , Resultado do Tratamento , Fator A de Crescimento do Endotélio Vascular/sangue
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