Calliditas Therapeutics AB of Sweden has entered into a licencing agreement with Shanghai-based Everest Medicines II Ltd to develop and commercialise its candidate drug Nefecon (budesonide) for the Chinese market. Nefecon is currently in a Phase 3 pivotal trial for the treatment of patients with the chronic autoimmune kidney disease IgA nephropathy. The agreement gives Everest exclusive rights to develop and, depending on regulatory approval, sell the drug in mainland China, Hong Kong, Macau, Taiwan and Singapore.