What is your first treatment of choice in patients with dermatomyositis sine myositis?

Great question! For better or worse, there isn't a great one-size-fits-all answer since choosing the "best" agent means assessing the severity of the disease, assessing if there are extracutaneous manifestations that also need to be addressed (e.g., interstitial lung disease? inflammatory arthritis?, etc), and weighing in other patient comorbidities and preferences (e.g., liver disease? pregnancy plans? adherence to medications? insurance/costs?). Myositis-specific antibodies (MSA) are sometimes...