Agenus Presents Phase 3 Trial Plans for BOT+BAL in MSS Colon Cancer
- Agenus plans to start its Phase 3 ROBBIN trial of neoadjuvant botensilimab and balstilimab in MSS colon cancer by Q1 2027.
- The FDA-aligned trial will enroll 850 patients, with event-free survival as its primary endpoint.
- Across NEST and UNICORN, roughly 30% of 34 MSS patients achieved complete pathological responses; no recurrences occurred among all 52 combination-treated patients.
- Interim event-free survival analysis is anticipated in the second half of 2029; final analysis is expected in the second half of 2030.
- PIPE financing is expected to cover all ROBBIN costs and operating expenses through year-end 2031, assuming full warrant exercise.
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