Viracta Therapeutics Inc. is a precision oncology company targeting virus-associated malignancies. The company is pursuing application of inducible synthetic lethality approach in other EBV-associated malignancies, such as nasopharyngeal carcinoma, gastric carcinoma and other virus-related cancers. Viracta Therapeutics Inc., formerly known as Sunesis Pharmaceuticals Inc., is based in SAN DIEGO.