Which conditions is Kiovig (human immunoglobulin) used to treat through immunomodulation?

Kiovig is used for immunomodulation in adults and children aged 0–18 years with primary immune thrombocytopenia (high bleeding risk or before surgery to correct platelet count), Guillain–Barré syndrome, Kawasaki disease (with acetylsalicylic acid), chronic inflammatory demyelinating polyradiculoneuropathy or multifocal motor neuropathy.