A Clinical Research Study to investigate the efficacy and safety of an investigational medicinal product(s) (IMP(s) called Anifrolumab. Enrolling Adult Participants with Idiopathic Inflammatory Myopathies (Polymyositis [PM] and Dermatomyositis [DM]), between the ages of 18-75 (inclusive).

• If you live with muscle weakness or skin symptoms from DM or PM.
• If current treatment hasn’t fully helped your symptoms, you may qualify for a research study evaluating a potential new treatment option.
• There is no cost to participate

Qualified participants will receive compensation for their travel.