Paradigm Biopharmaceuticals Limited, a drug repurposing company, engages in the research and development of therapeutic products for human use in Australia. It offers pentosan polysulfate sodium drugs in the injectable form for the treatment of osteoarthritis, mucopolysaccharidosis, ross river virus, chikungunya virus, and acute respiratory distress syndrome diseases. The company was incorporated in 2014 and is based in Melbourne, Australia.