Paradigm Biopharmaceuticals Limited engages in the research and development of therapeutic products for human use in Australia. It lead candidate is Zilosul, an injectable pentosan polysulfate sodium drugs for the treatment of osteoarthritis, mucopolysaccharidosis, ross river virus, chikungunya virus, chronic heart failure, allergic respiratory, and acute respiratory distress syndrome diseases. The company was incorporated in 2014 and is headquartered in Melbourne, Australia.