Organization	6 Months Ended
Jun. 30, 2011
Organization	(1) Organization AVEO Pharmaceuticals, Inc. (the “Company”) is a cancer therapeutics company committed to discovering, developing and commercializing targeted cancer therapies to impact patients’ lives. The Company’s product candidates are directed against important mechanisms, or targets, known or believed to be involved in cancer. Tivozanib, the Company’s lead product candidate currently in phase 3 clinical development, which the Company recently partnered with Astellas Pharma Inc. and its wholly-owned direct subsidiaries (“Astellas”), is designed to provide an optimal blockade of the vascular endothelial growth factor, or VEGF, pathway by inhibiting all three VEGF receptors: VEGF receptors 1, 2 and 3. The Company also has a pipeline of monoclonal antibodies, including ficlatuzumab, a product candidate that is currently in phase 2 clinical development, derived from its Human Response Platform^™, a novel method of building preclinical models of human cancer. As used throughout these unaudited, condensed consolidated financial statements, the terms “AVEO,” “we,” “us,” and “our” refer to the business of AVEO Pharmaceuticals, Inc. and its subsidiary.

Organization

6 Months Ended

Jun. 30, 2011

(1) Organization

AVEO Pharmaceuticals, Inc. (the “Company”) is a cancer therapeutics company committed to discovering, developing and commercializing targeted cancer therapies to impact patients’ lives. The Company’s product candidates are directed against important mechanisms, or targets, known or believed to be involved in cancer. Tivozanib, the Company’s lead product candidate currently in phase 3 clinical development, which the Company recently partnered with Astellas Pharma Inc. and its wholly-owned direct subsidiaries (“Astellas”), is designed to provide an optimal blockade of the vascular endothelial growth factor, or VEGF, pathway by inhibiting all three VEGF receptors: VEGF receptors 1, 2 and 3. The Company also has a pipeline of monoclonal antibodies, including ficlatuzumab, a product candidate that is currently in phase 2 clinical development, derived from its Human Response Platform^™, a novel method of building preclinical models of human cancer. As used throughout these unaudited, condensed consolidated financial statements, the terms “AVEO,” “we,” “us,” and “our” refer to the business of AVEO Pharmaceuticals, Inc. and its subsidiary.