KALV vs CSTL Comparison

KalVista Pharmaceuticals Inc is a pharmaceutical company developing and delivering oral therapies for individuals affected by rare diseases with unmet needs. The company applies its knowledge in the kallikrein-kinin system (KKS) and oral drug discovery to develop small-molecule protease inhibitor medicines to address the needs of patients with diseases driven by plasma kallikrein and Factor XIIa. Its FDA-approved product EKTERLY (sebetralstat) is a novel, orally delivered, small-molecule plasma kallikrein inhibitor for the treatment of acute attacks of hereditary angioedema (HAE) in adult and pediatric patients aged twelve years and older.

Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. It also provides DecisionDx-UM, a risk stratification GEP test. The company also offers its products to the skin cancer and gastroenterology markets.