To provide methods for treating hereditary
angioedema (HAE) attacks or reducing the rate of HAE attacks.SOLUTION: Provided is a composition comprising an
antibody capable of binding to and inhibiting active
human plasma kallikrein (pKal), the composition being administered such that the
antibody is administered to a human subject multiple times at about 300 mg
every two weeks during a first
treatment period, the human subject having, being suspected of having, or being at risk for HAE, the human subject (i) being female; (ii) being under 18 years of age or between 40 and 65 years of age; (iii) having had at least one previous
attack of laryngeal HAE; (iv) having had 1-2, 2-3, or 4 or more attacks of HAE in the four weeks prior to the first administration of the first
treatment period; and / or (v) having been treated with a C1-inhibitor prior to the first
treatment period.SELECTED DRAWING: Figure 1