Rystiggo nod brings help for people with rare autoimmune disorder

27 June 2023

A new antibody from Brussels-based UCB (Euronext: UCB) has been approved by the US Food and Drug Administration, for the treatment of certain adults with generalized myasthenia gravis (gMG).

Rystiggo (rozanolixizumab-noli), a FcRN-binding antibody which is administered subcutaneously, will be launched in the third quarter.

The product will compete with argenx’ (Euronext: ARGX) Vyvgart (efgartigimod alfa), another antibody which has the same mechanism of action and which was approved by the US regulator in 2021.

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