A phase I study of recombinant human C1 inhibitor in asymptomatic patients with hereditary angioedema.

van Doorn MB, Burggraaf J, van Dam T, Eerenberg A, Levi M, Hack CE, Schoemaker RC, Cohen AF, Nuijens J

Hereditary angioedema (HAE) is a congenital disorder with recurrent attacks of localized swelling of submucosal tissue, subcutaneous tissue, or both caused by a deficiency of the plasma protein C1 inhibitor (C1 esterase inhibitor [C1INH]).