Niraparib and Dostarlimab for the Treatment of Small Cell Lung Cancer and Other High-Grade Neuroendocrine Carcinomas

Summary

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Description

PRIMARY OBJECTIVE: I. To determine objective response rate (ORR) and 6-month progression free survival (PFS) in response to combined niraparib plus dostarlimab in patients with recurrent small cell lung cancer (SCLC) and high-grade neuroendocrine carcinomas (NECs). SECONDARY OBJECTIVES: I. To evalua...

PRIMARY OBJECTIVE: I. To determine objective response rate (ORR) and 6-month progression free survival (PFS) in response to combined niraparib plus dostarlimab in patients with recurrent small cell lung cancer (SCLC) and high-grade neuroendocrine carcinomas (NECs). SECONDARY OBJECTIVES: I. To evaluate toxicity of combined niraparib plus dostarlimab (PARP inhibition plus anti-PD-1) in patients with recurrent SCLC and other high-grade NECs. II. To determine overall survival (OS), PFS, disease control rate (response plus stable disease > 12 weeks) to combined niraparib plus dostarlimab in patients with recurrent SCLC and other high-grade NECs. EXPLORATORY OBJECTIVE: I. To determine treatment-related changes in immune profiles or other biomarker in response to combined niraparib plus dostarlimab in patients with recurrent SCLC and other high-grade NECs. OUTLINE: Patients receive niraparib orally (PO) once daily (QD) on days 1-21 of cycles 1-4, and on days 1-42 of subsequent cycles. Patients also receive dostarlimab intravenously (IV) over 30 minutes on day 1. Cycles repeat every 21 days for cycles 1-4 and every 42 days for subsequent cycles in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up within 90 days, every 6 months for 2 years, then annually for 3 years.

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