Abstract Number: 2288 • 2018 ACR/ARHP Annual Meeting
Preexisting Anti-Acetylcholine Receptor Autoantibodies and B Cell Lymphopenia Are Associated with the Development of Myositis in Thymoma Patients Treated with Avelumab, an Immune Checkpoint Inhibitor Targeting Programmed Death-Ligand 1
Background/Purpose: Immune checkpoint inhibitors (ICIs) enhance the immune response against tumors but may also trigger immune-related adverse events (IRAEs). Myositis following receipt of ICIs is…