New treatment for dogs with osteoarthritis proven to be safe and long-term effectiveDogs with osteoarthritis benefit from a new treatment: an injection that delivers a painkiller with a long-term effect. This is proven to be safe and effective. It is possible that the treatment can also help humans in the future. Marianna Tryfonidou , Professor at the Utrecht University Faculty of Veterinary Medicine, collaborated for this research with academic partners and companies.