Efgartigimod Alfa + Human Botulinum Neurotoxin Ab Immune Globulin Interaction
Moderateinteraction on record
Description
Concomitant use may lower systemic exposures and reduce effectiveness. Closely monitor for reduced effectiveness; consider discontinuing VYVGART if long-term concomitant use is essential.
Mechanism
VYVGART binds to human neonatal Fc receptor (FcRn), which may lower systemic exposures of FcRn-binding medications
Source: NLP:efgartigimod alfa