...patients with predominantly clear cell mRCC after exactly one prior VEGF-based therapy. Patients were treated with everolimus…Responders had higher lactate dehydrogenase (LDH) levels in serum two weeks after therapy initiation (>27.14 nmol/L), associated with a longer median PFS (3.8 months vs. 2.2, p = 0.013)...Increased serum LDH levels two weeks after therapy initiation were the best predictor for OS...TSP-2 and LDH as promising predictive biomarkers for therapy response on everolimus after failure of one VEGF-targeted therapy in patients with clear cell mRCC.