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MiNK Therapeutics Reports Durable Responses and Immune Reactivation with Allo-iNKT Cell Therapy agenT-797 in PD-1–Refractory Solid Tumors at SITC 2025
Globenewswire· 2025-11-07 14:00
Core Insights - MiNK Therapeutics announced updated clinical results for agenT-797, demonstrating durable survival and immune restoration in patients with advanced solid tumors resistant to existing treatments [1][2][6]. Group 1: Clinical Results - agenT-797 showed durable responses and disease stabilization in multiple checkpoint-refractory solid tumors, with median overall survival (OS) of approximately 23 months when combined with anti-PD-1 therapy [6][7]. - Complete remission lasting over two years was observed in a patient with metastatic germ cell/testicular cancer, alongside significant tumor marker normalization [7]. - The therapy demonstrated broad applicability across various solid tumors, including thymoma (OS > 39 months), gastric cancer (OS > 27 months), and cholangiocarcinoma (OS > 21 months) [7]. Group 2: Mechanism of Action - agenT-797 operates through dual killing pathways, eliminating tumor cells via TCR-dependent and TCR-independent mechanisms [7]. - The therapy reactivates immune function by activating dendritic cells, converting suppressive macrophages to pro-inflammatory states, and reactivating exhausted T cells, leading to enhanced immune responses without systemic toxicity [8]. Group 3: Safety Profile - agenT-797 was well tolerated, with no dose-limiting toxicities or severe cytokine release syndrome reported; common treatment-related adverse events included fatigue and Grade 3 anemia [8]. - The favorable safety profile supports the potential for combination and repeat-dose regimens in future studies [8]. Group 4: Company Overview - MiNK Therapeutics is a clinical-stage biopharmaceutical company focused on developing allogeneic invariant natural killer T (iNKT) cell therapies aimed at restoring immune balance and treating various cancers and immune disorders [9][10]. - The company's lead candidate, agenT-797, is an off-the-shelf iNKT cell therapy currently in clinical trials for solid tumors and other conditions [10].