KalVista Pharmaceuticals, Inc., a clinical stage pharmaceutical company, discovers, develops, and commercializes small molecule protease inhibitors. The company's product portfolio comprises small molecule plasma kallikrein inhibitors targeting hereditary angioedema (HAE) and diabetic macular edema (DME); and oral plasma kallikrein inhibitors. Its products include KVD001, an intravitreally administered plasma kallikrein inhibitor that is in Phase II clinical trials for the treatment of DME; and KVD900, a potent inhibitor of plasma kallikrein, which is in Phase I clinical trial for treating HAE. The company is headquartered in Cambridge, Massachusetts.