SAGE 324
Alternative Names: BIIB-124; SAGE-324Latest Information Update: 01 Aug 2025
At a glance
- Originator SAGE Therapeutics
 - Class Antiepileptic drugs; Antiparkinsonians; Small molecules
 - Mechanism of Action GABA A receptor modulators
 
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              Orphan Drug Status
              No
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
 - New Molecular Entity Yes
 
Highest Development Phases
- Phase I Epilepsy
 - No development reported Parkinson's disease
 - Discontinued Essential tremor
 
Most Recent Events
- 31 Jul 2025 SAGE Therapeutics has been acquired by Supernus Pharmaceuticals
 - 20 Feb 2025 SAGE 324 is still in phase I trials for Epilepsy in the US (Sage Therapeutics pipeline, February 2025)
 - 11 Feb 2025 Biogen and Sage Therapeutics terminates the collaboration to develop and commercialize SAGE 324 for Essential tremors, Epilepsy and Parkinson's disease (SAGE Therapeutics pipeline, February 2025)