Atossa Therapeutics receives FDA rare paediatric disease designation for (Z)-endoxifen for McCune-Albright syndrome

Atossa Therapeutics

4 May 2026 - Atossa Therapeutics today announced that the US FDA has granted rare paediatric disease designation to (Z)-endoxifen for the treatment of McCune-Albright syndrome in females.

(Z)-endoxifen is a potent selective oestrogen receptor modulator/degrader with demonstrated activity across multiple mechanisms of interest.

Read Atossa Therapeutics press release 

Michael Wonder

Posted by:

Michael Wonder