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Santhera to Discontinue Phase 3 SIDEROS Study and Development of Puldysa® in Duchenne Muscular Dystrophy (DMD) and Focus on Vamorolone


Santhera Pharmaceuticals announces the discontinuation of its Phase 3 SIDEROS study with Puldysa® (idebenone) in patients with Duchenne muscular dystrophy (DMD) who are in respiratory decline and receive concomitant glucocorticoid treatment. Data from an interim analysis conducted by the independent Data and Safety Monitoring Board (DSMB) concluded that the study was unlikely to meet its primary endpoint. As a consequence, Santhera will discontinue the study, withdraw the European marketing authorization application and end the global development program for Puldysa.

The Company intends to initiate a restructuring plan for the business with a focus on retaining key functions for bringing DMD drug candidate vamorolone to patients and execute on its other pipeline programs.

Santhera To Discontinue Phase 3 SIDEROS Study And Development Of Puldysa® In Duchenne Muscular Dystrophy (DMD) And Focus On Vamorolone