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Sanofi-aventis and Regeneron Report Top-line Results from Phase III Study with aflibercept (VEGF Trap) in Second-Line Non-Small Cell Lung Cancer

Fri, 03/11/2011 - 3:34am
Bio-Medicine.Org

PARIS and TARRYTOWN, N.Y., March 10, 2011 /PRNewswire/ -- Sanofi-aventis (EURONEXT: SAN and NYSE: SNY) and Regeneron Pharmaceuticals, Inc. (Nasdaq: REGN) today announced results from the Phase III VITAL trial evaluating the investigational agent aflibercept (VEGF Trap) for the second-line treatment of non-small cell lung cancer (NSCLC).  The data showed that adding aflibercept to the chemotherapy drug docetaxel did not meet the pre-specified criteria for the primary endpoint of improvement in overall survival compared with a regimen of docetaxel plus placebo (HR=1.01, CI: 0.868 to 1.174).  The addition of aflibercept to docetaxel demonstrated activity as measured by key secondary endpoints of the study: progression free survival (PFS) (HR=0.82, CI: 0.716 to 0.937) and an overall objective response rate (ORR) of 23.3% in the aflibercept arm compared to 8.9 percent in the placebo arm.

The treatment emergent adverse events (AEs) on the aflibercept arm with an incidence that was 10 percent greater than the control arm were stomatitis, weight decrease, hypertension, epistaxis and dysphonia. Grade 3 or 4 AEs that occurred at a frequency of at least 5 percent in patients who received aflibercept were fatigue, stomatitis, disease progression, hypertension, febrile neutropenia, dyspnea, neutropenia, and asthenia.  AEs leading to treatment discontinuation occurred in 27.2 percent of patients in the aflibercept arm compared to 14.6 percent in the placebo arm.  The types and frequencies of AEs reported in the aflibercept treatment arm were generally consistent with those reported in previous studies with anti-VEGF agents.  

The companies will conduct a detailed analysis of the efficacy and safety results of the VITAL study.  Full results will be presente

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