Exelixis, Inc. operates as a biotechnology firm dedicated to combating cancer, primarily focusing on the identification, advancement, and marketing of novel oncological treatments within the United States. Its portfolio of commercially available therapeutics includes CABOMETYX tablets, prescribed for individuals with advanced renal cell carcinoma who have previously undergone anti-angiogenic treatment, and COMETRIQ capsules, utilized for managing progressive and metastatic medullary thyroid cancer. Both CABOMETYX and COMETRIQ originate from cabozantinib, a compound that inhibits several tyrosine kinases such as MET, AXL, RET, and VEGF receptors.