Centro Nacional de Investigaciones Oncologicas Carlos III (CNIO) has patented thiazolopyrimidones acting as discoidin domain-containing receptor 1 (DDR1) and/or DDR2 inhibitors reported to be useful for the treatment of atherosclerosis, cancer, cirrhosis, hepatic fibrosis, pulmonary fibrosis, lupus nephritis, osteoarthritis and rheumatoid arthritis, among others.