argenx SE

ARGX: XBRU (BEL)

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Argenx: Vyvgart Disappointment in Sjogren's Overshadows Emerging FB102 Growth Platform

Rachel Elfman

Oct 9, 2026

Argenx shares fell sharply on Oct. 8 after the company discontinued a phase 3 study of Vyvgart in Sjogren's disease due to futility, with Brussels-listed shares down 16% and ADR shares down 12%. Separately, the company reported positive phase 2 topline data for FB102 in celiac disease.

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argenx SE

Argenx: Vyvgart Disappointment in Sjogren's Overshadows Emerging FB102 Growth Platform

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