Small series of 5 Idiopathic inflammatory myopathy (IIM) pts Rx w/ obinutuzumab for refractory myositis (2 antisynthetase syndr, 1 DM, 2 overlap myositis). 4/5 patients achieved complete response. Lung improved/stabilized in ILD patients. Two required second obinutuzumab cycle. https://t.co/ev9qlEO04l