Summary
The European Commission granted marketing authorization for DAWNZERA (donidalorsen) on January 21, 2026.
Developed by Ionis Pharmaceuticals and Otsuka Pharmaceutical, it is the first and only RNA-targeted therapy approved in the EU for the prevention of hereditary angioedema (HAE).
Approval applies to patients aged 12 years and older across the European Union.
The European Commission has granted marketing authorization for DAWNZERA (donidalorsen), marking a significant milestone in rare disease therapeutics. Developed by Ionis Pharmaceuticals in partnership with Otsuka Pharmaceutical, DAWNZERA is the first and only RNA-targeted therapy for ...