Efgartigimod alfa-fcab

(Vyvgart®)

Vyvgart®

Drug updated on 10/25/2024

Dosage FormInjection (intravenous; 400 mg/20 mL [20 mg/mL])
Drug ClassNeonatal Fc receptor blockers
Ongoing and
Completed Studies
ClinicalTrials.gov

Indication

  • Indicated for the treatment of generalized myasthenia gravis (gMG) in adult patients who are anti-acetylcholine receptor (AChR) antibody positive.

Latest News

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Summary
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  • This summary is based on the review of one systematic review(s)/meta-analysis(es). [1]
  • Rozanolixzumab and Batoclimab Effectiveness: Rozanolixzumab at doses of 7mg/kg and 10mg/kg showed superior effectiveness in improving MG-ADL scores compared to belimumab, efgartigimod (vyvgart), mezagitamab, and nipocalimab, with mean differences ranging from 2 to 3.69. Batoclimab at doses of 340mg and 680mg was more effective in improving QMG scores than placebo and other monoclonal antibodies, except rozanolixzumab, with mean differences ranging from 4.32 to 9.31.
  • Efgartigimod Comparison: Efgartigimod (vyvgart) was less effective than rozanolixzumab in improving MG-ADL scores, with other monoclonal antibodies like belimumab, mezagitamab, and nipocalimab also showing lower effectiveness compared to rozanolixzumab.
  • Belimumab demonstrated the most favorable safety profile with a significantly lower risk of adverse events compared to rozanolixzumab 7mg/kg (RR (Relative risk) 0.08, 95% CrI 0.01 to 0.94) and rozanolixzumab 10mg/kg (RR 0.08, 95% CrI 0.01 to 0.86).
  • Rozanolixzumab was associated with a higher incidence of adverse events compared to belimumab, but specific adverse effects or comparative data for efgartigimod (vyvgart) were not detailed in the study.
  • There is no population types or subgroups information available in the reviewed studies.

Product Monograph / Prescribing Information

Document TitleYearSource
Vyvgart (efgartigimod alfa-fcab) Prescribing Information.2024Argenx BV, Zwijnaarde, Belgium

Systematic Reviews / Meta-Analyses