Argenx SE (ARGX US) won FDA approval for second indication of Vyvgart for chronic inflammatory demyelinating polyneuropathy (CIDP) in June. The approval triggered ~30% rally in the share price.
Johnson & Johnson (JNJ US) is seeking FDA approval for nipocalimab for generalized myasthenia gravis (gMG). Approved in 2021, Vyvgart dominates the gMG market. In 1H24, Vyvgart fetched $876M revenue.
Nipocalimab will compete with Vyvgart. However, Argenx has already created a niche for itself and will continue to sit on a prime position due to its first mover advantage.
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