argenx SE Investigation - ARGX

Company: argenx SE (NASDAQ: ARGX)

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argenx SE Investigation Details

argenx SE shares fell sharply on October 8, 2026, after the company announced the discontinuation of its Phase 3 UNITY trial. The study, which was evaluating subcutaneous efgartigimod for moderate-to-severe Sjögren’s disease, was halted after an independent panel determined it was unlikely to meet its primary endpoint. Although the company reported other positive pipeline developments, investors focused heavily on the setback to Vyvgart's potential expansion.

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