Tevogen Bio Publishes Positive Phase 1 Clinical Trial Data for Lead Candidate TVGN 489

TVGN
September 29, 2025

Tevogen Bio announced the publication of positive Phase 1 proof-of-concept clinical trial data for its lead product candidate, TVGN 489. The trial, conducted in high-risk COVID-19 patients, reported no dose-limiting toxicities or significant treatment-related adverse events. This outcome provides initial clinical validation for the company's proprietary ExacTcell approach in an infectious disease setting.

Secondary endpoints of the trial were also met, demonstrating a rapid reduction of viral load in treated patients. Importantly, the infusion of TVGN 489 did not prevent the development of the patients' own T cell-related cellular or antibody-related humoral anti-COVID-19 immunity. Furthermore, none of the patients reported progression of infection, reinfection, or the development of Long COVID during the six-month follow-up period.

These results are a significant milestone for Tevogen Bio, supporting the potential of its off-the-shelf, genetically unmodified T cell therapies. The positive data underpins the company's strategy to address unmet needs in infectious diseases and cancers with accessible and affordable solutions. This clinical validation is expected to support future development and potential expansion of TVGN 489's target population.

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