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Taiho Oncology, Taiho Pharmaceutical and Cullinan Therapeutics Initiate Rolling Submission of New Drug Application to U.S. Food and Drug Administration for Zipalertinib for Treatment of Locally Advanced or Metastatic Non-Small Cell Lung Cancer with EG...
Taiho Oncology, Taiho Pharmaceutical and Cullinan Therapeutics Initiate Rolling Submission of New Drug Application to U.S. Food and Drug Administration for
About this update from Cullinan Therapeutics, Inc.
[{"type":"text","content":"Taiho Oncology, Taiho Pharmaceutical and Cullinan Therapeutics Initiate Rolling Submission of New Drug Application to U.S. Food and Drug Administration for Zipalertinib for Treatment of Locally Advanced or Metastatic Non-Small Cell Lung Cancer with EGFR Exon 20 Insertion Mutations \n \n \n PRINCETON, N.J. and TOKYO and CAMBRIDGE, Mass., Nov. 20, 2025 /PRNewswire/ -- Taiho Oncology, Inc., Taiho Pharmaceutical Co., Ltd., and Cullinan Therapeutics, Inc. (Nasdaq: CGEM) today announced the companies have initiated the rolling submission of a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) seeking accelerated approval of zipalertinib, an oral epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor, for the treatment of patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with EGFR exon 20 insertion (ex20ins) mutations who have previously received platinum-based systemic chemotherapy.\n \n \n \n \n \n \n \n Zipalertinib previously received Breakthrough Therapy Designation in 2021, which with FDA agreement, allows submission of portions of the application as they are completed. The companies anticipate completion of the NDA submission in the first quarter of 2026 with an associated request for priority review.\n The NDA submission is based on the primary efficacy data from the REZILIENT1 trial, a Phase 1/2 clinical trial of zipalertinib (development code: CLN-081/TAS6417) monotherapy in patients with NSCLC harboring EGFR ex20ins mutations who have received prior therapy.\n \n Positive results from the REZILIENT1 trial were presented at the 2025 American Society of Clinical Oncology (ASCO) Annual Meeting and were simultaneously published in the Journal of Clinical Oncology.\n \n About REZILIENT1 REZILIENT1 (Researching Zipalertinib In EGFR Non-Small Cell Lung Cancer Tumors) is a Phase 1/2 clinical trial (NCT04036682) to evaluate efficacy and safety of zipalertinib in adult patients with locally advanced or metastatic NSCLC harboring EGFR ex20ins mutations who have received prior therapy. Patients were treated with oral zipalertinib 100 mg twice daily. The primary endpoints were objective response rate (ORR) and duration of response (DOR) as assessed by blinded independent central review (ICR) per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1. Adverse events were ...