First human test of new muscle disease drug begins
Disease control
Not yet recruiting
This is the first study in humans to test the safety and side effects of a new drug called XmAb657. It will involve both healthy volunteers and people with idiopathic inflammatory myopathy, a group of rare autoimmune diseases that cause muscle inflammation and weakness. Participa…
Phase: PHASE1 • Sponsor: Xencor, Inc. • Aim: Disease control
Last updated Mar 30, 2026 14:28 UTC