Overview Study of Heparin Prophylaxis of Hereditary Angioedema Exacerbations Status: Completed Trial end date: 1998-09-01 Target enrollment: Participant gender: Summary OBJECTIVES: I. Determine the safety and efficacy of inhaled and subcutaneously administered heparin in the treatment of hereditary angioedema. Phase: N/A Details Lead Sponsor: University of IowaTreatments: Calcium heparinHeparin