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Ficerafusp Alfa Plus Pembrolizumab Demonstrated Differentiated Three-Year Overall Survival and Deep Responses Driven by TGF-β Inhibition in 1L R/M HPV-Negative HNSCC

$BCAXPress releaseMay 21, 2026, 5:00 PM ETRead the release

Bicara Therapeutics reported three-year follow-up data from its Phase 1b study of ficerafusp alfa plus pembrolizumab in first-line recurrent/metastatic HPV-negative head and neck cancer. At the pivotal dose of 1500mg weekly, the combination achieved an estimated 31% overall survival rate, approximately doubling the survival rate observed in retrospective analyses of standard of care. Deep responses (≥80% tumor shrinkage) were observed in 80% of responders at the 1500mg dose, with a median duration of response of 21.7 months and median progression-free survival of 9.9 months.

Key figures

Drug Name
ficerafusp alfa
Phase Of Trial
Phase 1b
Or R 750mg
57%
Or R 1500mg
54%
Or R 2000mg
48%
Cr rate 750mg
13%
Cr rate 1500mg
25%
Cr rate 2000mg
30%
Median dor 1500mg
21.7 months
Median pfs 1500mg
9.9 months
Median pfs 2000mg
12.7 months
Os rate 3yr 1500mg
31%
Deep response rate 1500mg
80%
Deep response rate 2000mg
77%

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