Characteristics of long- versus short-surviving patients (Pts): An analysis of the ARIES Observational Cohort Study (OCS) of bevacizumab (BV)-treated pts with metastatic colorectal cancer (mCRC).
2015
702 Background: Median overall survival (OS) in mCRC has significantly improved over the past 20 yrs, but the observed range of OS in pts remains wide; a large percentage of pts have OS 4 yrs. ARIES was a prospective OCS conducted from 2006–2012 that evaluated outcomes in pts receiving BV + chemotherapy (CT) for mCRC in general clinical practice. The objective of this analysis is to examine clinical characteristics of pts with long vs short OS. Methods: This analysis included 1,417/1,550 first-line (1L) BV-treated mCRC pts who died or had complete follow-up on study. Long OS was defined as OS within the upper quartile of the analysis population (range 42–67 mos); short OS was defined as OS within the lower quartile (range 0.3–12 mos). Progression-free survival (PFS) was estimated using Kaplan-Meier methods. Pt and disease characteristics and treatment patterns were described using summary statistics. Results: Pt and disease characteristics are shown in the Table. Median PFS was 22.3 mos (95% CI,...
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