pembrolizumab plus SoCtitleplacebo plus SoCtitleKEYNOTE-604, 2020 NCT03066778 Extensive stage SCLC (Es-SCLC) - 1st Line (L1) 228/225

Pathology:  Extensive stage SCLC (Es-SCLC) - 1st Line (L1); 

Extensive stage SCLC (Es-SCLC) - 1st Line (L1)
KEYNOTE-604, 2020
pembrolizumab plus SoC1T1
placebo plus SoC0T0