Article,

P3.18.34 TACTI-004, a Phase 3 Trial of Eftilagimod Alfa Plus Pembrolizumab (P) + Chemotherapy (C) vs Placebo + P + C in 1St Line NSCLC

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Journal of Thoracic Oncology, 20 (10, Supplement 1): S559-- (2025)Abstract | First Published on 23 October 2025.
DOI: https://doi.org/10.1016/j.jtho.2025.09.1049

Abstract

Eftilagimod alfa (E), an antigen presenting cell activator, binds to a subset of MHC class II molecules to mediate T cell (CD4/CD8) recruitment/activation. Prior studies in first line (1L) non-small cell lung cancer (NSCLC) (TACTI-002 NCT03625323: combining E + pembrolizumab (P); INSIGHT-003 NCT03252938 combining E with chemotherapy + P SoC) showed encouraging efficacy results across all PD-L1 strata & excellent safety profiles. TACTI-004 is a double-blinded, randomized, placebo-controlled phase 3 study testing E + SoC vs. placebo + SoC in 1L NSCLC patients (pts).

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