Tessera Therapeutics receives US FDA fast track and orphan drug designations for its lead in vivo gene editing program TSRA-196 for the treatment of adults with AATD

Tessera Therapeutics

23 February 2026 - Tessera Therapeutics today announced that the US FDA has granted fast track and orphan drug designations to TSRA-196, its lead in vivo gene editing program. 

TSRA-196 is being jointly developed with Regeneron for the treatment of adults with alpha-1 antitrypsin deficiency who are homozygous for the PiZ allele.

Read Tessera Therapeutics press release

Michael Wonder

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Michael Wonder

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US , Gene therapy , Fast track