Idiopathic Inflammatory Myositis Market Set for Strong Growth at 16.8% CAGR Through 2036, Driven by Rising Demand for Targeted Therapies | DelveInsight

The Idiopathic Inflammatory Myositis (IIM) market is projected to grow at 16.8% CAGR through 2036, reaching significant expansion driven by rising disease awareness, improved diagnostics, and an expanding pipeline of targeted therapies. The market was valued at USD 714 million across the 7MM in 2025, with the US accounting for 55% of the market. Multiple pharmaceutical companies are advancing investigational treatments addressing unmet medical needs in dermatomyositis, polymyositis, and inclusion body myositis.