Flexion Therapeutics Inc is a United States-based specialty pharmaceutical company. The company focuses on the development and commercialization of novel, local therapies. The company specializes in the treatment of patients with musculoskeletal conditions beginning with osteoarthritis. The products offered by company are zilretta which is used for enhancing clinical effect of intra articular corticosteroid treatment.Flexion Therapeutics Inc is a development stage specialty pharmaceutical company. The Company is engaged in the development and commercialization of novel, long-acting, injectable pain therapies including anti-inflammatory and analgesic therapies.