Vyvgart Hytrulo (efgartigimod alfa and hyaluronidase-qvfc) — Highmark
Generalized myasthenia gravis (gMG)
Initial criteria
- age ≥ 18 years
- diagnosis of generalized myasthenia gravis (gMG) (ICD-10: G70)
- anti-acetylcholine receptor (AChR) antibody positive (Ab+)
- meets MGFA Clinical Classification Class II to IV
- Myasthenia Gravis-Specific Activities of Daily Living scale (MG-ADL) total score ≥ 5 at initiation
- therapeutic failure, intolerance, or contraindication to at least two agents from two different classes (acetylcholinesterase inhibitors, systemic steroids, non-steroidal immunosuppressants such as azathioprine, cyclosporine, methotrexate, tacrolimus, mycophenolate)
- not concurrently receiving a complement inhibitor (for example, Soliris, Ultomiris, Zilbrysq, or IVIG) within 4 weeks of starting Vyvgart Hytrulo
Reauthorization criteria
- improvement in signs and symptoms of gMG (speech, swallowing, mobility, and/or respiratory function)
- OR decrease in the number of exacerbations of gMG
Approval duration
initial: 6 months; reauthorization: 12 months