Otsuka expands licensing deal for donidalorsen

20 June 2024

Midsize Japanese drugmaker Otsuka Pharmaceuticals (TYO: 4578) says it has concluded an expanded licensing agreement for hereditary angioedema (HAE) drug candidate donidalorsen with Ionis Pharmaceuticals (Nasdaq: IONS) to cover the development and sales area to the Asia-Pacific region, including Japan.

HAE is a rare and potentially life-threatening genetic condition that involves recurrent attacks of severe swelling (angioedema) in various parts of the body, including the hands, feet, genitals, stomach, face and/or throat.

In December 2023, Otsuka and Ionis entered a licensing agreement for Otsuka to acquire exclusive rights to commercialize donidalorsen in Europe. Otsuka is preparing to submit a Marketing Authorization Application to the European Medicines Agency.

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