Ascletis Pharma Inc is an investment holding company mainly engaged in the research and development, production, and sales of pharmaceutical products. The Company focuses on viral diseases, non-alcoholic steatohepatitis (NASH) or primary biliary cholangitis (PBC), and oncology. The Company's product pipeline includes ASC22 for chronic hepatitis B functional cure, ASC10 for respiratory syncytial virus (RSV), ASC22 for human immunodeficiency virus (HIV) functional cure, ASC10 and ASC11 for COVID-19, ASC41 for NASH, ASC42 for PBC, ASC61 for solid tumors, ASC40 for moderate and severe acne, and others. The Company conducts its business in the domestic and overseas markets.