Kymera Therapeutics announces US FDA fast track designation for KT-621, a first in class, oral STAT6 degrader for the treatment of moderate to severe asthma

Kymera Therapeutics

13 April 2026 -  Kymera Therapeutics today announced that the US FDA has granted fast track designation to KT-621, its first in class oral STAT6 degrader, for the treatment of moderate to severe eosinophilic asthma. 

KT-621 is currently being studied in two global Phase 2b studies, including for the treatment of moderate to severe eosinophilic asthma.

Read Kymera Therapeutics press release

Michael Wonder

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Michael Wonder

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Medicine , US , Fast track