which allows for a once-weekly injection administered by a healthcare professional that takes between 30 and 90 seconds, rather than a weekly, hour-long IV infusion delivered at a clinic with Vyvgart.

With nipocalimab, J&J is hoping to take on rivals in the class like Argenx’s Vyvgart Hytrulo (efgartigimod ... nipocalimab given as an intravenous infusion every two weeks.