One Year Post-Launch of Argenx's Vyvgart for gMG, US Neurologists Confused on Best Approach to Treatment Dosing Schedules, According to Spherix Global Insights
EXTON, Pa., Feb. 24, 2023 /PRNewswire/ -- Argenx's launch of Vyvgart (efgartigimod) has been a success, with global first-year revenue of ~$400 million USD. As the second biologic approved for generalized myasthenia gravis (gMG) and the first neonatal Fc receptor (FcRn) blocker, Vyvgart's novel and targeted mechanism of action has resonated with HCPs. Indeed, neurologists and neuromuscular specialists surveyed by Spherix Global Insights consider Vyvgart to address a substantial unmet in the treatment of this chronic, rare autoimmune condition.
- Indeed, neurologists and neuromuscular specialists surveyed by Spherix Global Insights consider Vyvgart to address a substantial unmet in the treatment of this chronic, rare autoimmune condition.
- Despite these positive perceptions of argenx's brand, surveyed respondents (n=69) remain less confident in Vyvgart's dosing profile.
- Interestingly, even with increased experience among neurologists, half continue to report uncertainty as to when to re-dose patients after the first Vyvgart treatment cycle.
- Indeed, when probed unaided on Vyvgart's biggest disadvantages, two in five offered its dosing profile as a leading disadvantage.