Abstract

Patients (pts) with advanced SCLC have a rapid relapse after 1L treatment, and only one approved agent (topotecan) for 2L treatment. Surufatinib (S, a small-molecule inhibitor of VEGFR1-3, FGFR1 and CSF-1R) plus toripalimab (T, an anti-PD-1 antibody) has exhibited encouraging efficacy in a neuroendocrine carcinoma cohort in a trial evaluating S + T in pts with selected solid tumors. Here, we report the safety and efficacy results in the SCLC cohort.

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