Critical Analysis of the Emerging Trispecific Landscape

Dawn of a new era or a setting sun on a tricky approach…
Three is a magic number – except when it isn’t.
Trispecific antibodies are one of the emerging stars on the multispecific stage, promising to hit not one, not two, but three targets with a single swing. It’s a tempting idea – who doesn’t love a good triple play?
With great ambition also comes great complexity, and not every design is ready for primetime.
At this year’s AACR, the trispecific party got a little louder.
From PD-1/CTLA-4/VEGF mashups to CD3-based T cell whisperers, the posters are brimming with innovation – and more than a few eyebrow-raisers.
So before we get swept up in the hype, let’s pause and ask a provocative question: is this a triple threat or a triple headache waiting to happen?
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Bispecific T cell engagers have emerged as new virtuosos in cancer therapy especially in refractory settings involving hematologic malignancies such as lymphomas and myeloma, although their integration into combination regimens may be as challenging as it is promising.
For over a decade, cell therapy in cancer has embraced a simple philosophy: maximum firepower to eliminate malignant cells.



