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583Background: TEM has level 1 evidence in aRCC with poor-risk disease. No trial compared a VEGFR-TKI with TEM as first-line (1L) therapy in this disease state. Methods: We randomly assigned… Click to show full abstract
583Background: TEM has level 1 evidence in aRCC with poor-risk disease. No trial compared a VEGFR-TKI with TEM as first-line (1L) therapy in this disease state. Methods: We randomly assigned (1:1) treatment-naive pts with aCCRCC and > = 3 risk factors (as per Hudes et al., NEJM 2007) to receive PAZ 800 mg po qd or TEM 25 mg iv qw. Pts were offered to receive the alternative agent at disease progression (PD). The primary endpoint was progression-free survival (PFS), and the secondary endpoints were overall survival (OS), objective response rate (ORR) and safety. A blinded radiologist assessed the radiographic response using RECIST v1.1. A sample size of 90 pts was based on an assumption of improved median PFS from 3.8 mo with TEM to 6.1 mo with PAZ. Pts were stratified by prior nephrectomy (Nx). The Kaplan-Meier method was used for PFS and OS analysis, and the Fisher’s exact test was used for comparison of ORR between PAZ and TEM. Results: The study was closed to new patient enrollment when the results of ...