CAMBRIDGE, Mass. & SALISBURY, England--(BUSINESS WIRE)---- $KALV--KalVista Pharmaceuticals, Inc. (NASDAQ: KALV), a clinical stage pharmaceutical company focused on the discovery, development, and commercialization of oral, small molecule protease inhibitors, today announced the initiation of the KONFIDENT-S open label extension (OLE) study for its ongoing Phase 3 KONFIDENT study of sebetralstat for the on-demand treatment of hereditary angioedema (HAE) attacks. “Initiating this treatment extension [...]