A Phase 1 Open-Label Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of BL-M14D1 in Subjects With Locally Advanced or Metastatic Small Cell Lung Cancer and Other Neuroendocrine Neoplasms

Inclusion Criteria: * Documented locally advanced or metastatic SCLC, large cell neuroendocrine cancer of the lung (LCNEC), neuroendocrine prostate cancer (NEPC), poorly differentiated gastroenteropancreatic neuroendocrine carcinomas (GEP-NEC) or other extrapulmonary neuroendocrine carcinomas (EP-NECs), Merkel cell carcinoma (MCC), or other poorly differentiated and/or high-grade neuroendocrine neoplasms with evidence of DLL3 expression who have failed at least 1 line of standard therapy in the advanced/metastatic setting or are unable to receive standard treatment * Notes: For SCLC, the p…