A Multi-center, Open-Label, Adaptive, Randomized Study of Palifosfamide-tris, a Novel DNA Crosslinker, in Combination with Carboplatin and Etoposide (PaCE) Chemotherapy versus Carboplatin and Etoposide (CE) Alone in Chemotherapy Na�ve Patients with Extens

The primary objective of this study is to compare the efficacy of palifosfamide-tris in combination with carboplatin and etoposide (PaCE) chemotherapy to carboplatin and etoposide (CE) alone, as measured by overall survival (OS), in chemotherapy na�ve subjects with extensive-stage SCLC.