Otsuka and Ionis’ donidalorsen accepted for EMA review

6 January 2025

Japanese drugmaker Otsuka Pharmaceutical (TYO: 4578) announces that the European Medicines Agency (EMA) has accepted for review the Marketing Authorization Application (MAA) for the hereditary angioedema (HAE) drug candidate donidalorsen.

The application seeks permission for the drug to be marketed for the routine prevention of recurrent attacks of HAE in adults and adolescents aged 12 years and older.

Donidalorsen was discovered and developed by Ionis Pharmaceuticals (Nasdaq: IONS), a specialist in RNA-targeted medicines based in California, as a treatment for HAE attacks.

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