<qa>  What was the Efficacy endpoints of pemetrexed?In a pilot study, 42 patients with advanced NSCLC who had had tumor progression after at least one line of prior chemotherapy, received pemetrexed together with TTFields 150 kHz applied to the chest and upper abdomen until disease progression Pless M., et al., Lung Cancer 2011. Efficacy endpoints were remarkably high compared to historical data for pemetrexed alone. 