Overview C1 Esterase Inhibitor (C1INH-nf) for the Prevention of Acute Hereditary Angioedema (HAE) Attacks Status: Completed Trial end date: 2007-08-22 Target enrollment: Participant gender: Summary The study objective was to determine the safety and efficacy of C1INH-nf for the prevention of acute HAE attacks. Phase: Phase 3 Details Lead Sponsor: ShireTreatments: Complement C1 Inactivator ProteinsComplement C1 Inhibitor ProteinComplement C1s