argenx gets FDA nod for Vyvgart as gMG treatment

20 December 2021

The US Food and Drug Administration (FDA) has approved Vyvgart (efgartigimod alfa-fcab) for the treatment of generalized myasthenia gravis (gMG) in adult patients who are anti-acetylcholine receptor (AChR) antibody positive, said Belgo-Dutch clinical-stage immune-oncology biotech argenx (Euronext Brussels: ARGX).

Shares of Argenx rose 4.4% to $310.26 on December 17 ahead of a trading halt triggered just ahead of the announcement.

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