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BioArctic receives Orphan Drug Designation in the US

The US FDA Office of Orphan Products Development (OOPD) has granted orphan drug designation (ODD) to exidavnemab for the treatment of Multiple System Atrophy (MSA), providing incentives for the development of treatments for rare diseases with a high medical need.
Exidavnemab is being developed as a novel disease-modifying treatment for synucleinopathies such as MSA and Parkinson’s disease. It is a monoclonal antibody (mAb) that selectively targets soluble alpha-synuclein aggregates, such as oligomers or protofibrils. By promoting the clearance of aggregated alpha-synuclein, exidavnemab may reduce the spreading and the negative effects of alpha-synuclein. Thereby, neuronal function and survival may be preserved, and disease progression ultimately slowed down, describes the company.
Published: March 18, 2025
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