Vyvgart Hytrulo (efgartigimod alfa and hyaluronidase-qvfc) — Highmark
Chronic inflammatory demyelinating polyneuropathy (CIDP)
Initial criteria
- age ≥ 18 years
- diagnosis of chronic inflammatory demyelinating polyneuropathy (CIDP) (ICD-10: G61.81)
- progressive symptoms for at least 2 months
- progressive or relapsing motor sensory dysfunction of more than one limb or peripheral nerve nature, developing over at least 2 months
- hypo- or areflexia (usually involving all four limbs)
- nerve conduction studies strongly supportive of demyelination meeting one of: motor distal latency prolongation in ≥ 2 nerves, reduction of motor conduction velocity in ≥ 2 nerves, prolongation of F-wave latency in ≥ 2 nerves, absence of F-waves in ≥ 2 nerves, motor conduction block in ≥ 1 nerve, abnormal temporal dispersion in ≥ 2 nerves, distal CMAP duration prolongation in ≥ 1 nerve
- therapeutic failure, intolerance, or contraindication to one of: systemic corticosteroids or immune globulin (IVIG or subcutaneous immunoglobulin)
Reauthorization criteria
- improvement in functional ability or strength from baseline
Approval duration
initial and reauthorization: 12 months