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Ionis and Otsuka

The CHMP Recommends Ionis and Otsuka’s Dawnzera (Donidalorsen) as a Prophylactic Treatment of Hereditary Angioedema (HAE)

Shots: The CHMP has recommended Dawnzera for the routine prevention of HAE attacks in pts (≥12yrs.) following the US FDA approval in Aug 2025; EC’s decision is expected in Q1’26 Opinion was based on P-III (OASIS-HAE) trial & OASISplus study, showing improvements across multiple domains, incl. sustained reduction in mean monthly HAE attack rate even when Dawnzera…

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Ionis

Ionis Reports the US FDA’s Approval of Dawnzera (Donidalorsen) as a Prophylactic Treatment of Hereditary Angioedema (HAE)

Shots: The US FDA has approved Dawnzera (donidalorsen; 80mg SC, Q4W/Q8W) as a prophylactic treatment against attacks in pts (≥12yrs.) with hereditary angioedema; available in the US in coming days Approval was based on P-III (OASIS-HAE) trial & OASISplus OLE study, where P-III showed 81% fewer monthly HAE attacks over 24wks. (87% from 2nd dose) &…

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