Palvella receives European patent for QTORIN rapamycin formulation

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Palvella Therapeutics Announces Issuance of European Patent Covering Anhydrous Compositions of Rapamycin

March 16, 2026 7:30 AM EDT

Patent strengthens global intellectual property protection for QTORIN rapamycin, Palvellas lead product candidate from the QTORIN platform, in development for serious, rare skin diseases and vascular malformations with no FDA-approved therapies

Patent protection extends into 2038

QTORIN rapamycin has previously been granted European Orphan Drug Designation for the treatment of microcystic lymphatic malformations, potentially providing 10 years of market exclusivity in the European Union upon approval

There are currently no approved therapies in the European Union for microcystic lymphatic malformations 

WAYNE, Pa., March 16, 2026 (GLOBE NEWSWIRE) --... More