How do you decide on the next therapy for post-ICI triple M syndrome (myositis/myocarditis/myasthenia) after steroids, PLEX, and IVIG?

The short answer is that there is no standard of care, and no way to reliably predict which of the third-line treatments will work best for each individual. As an introduction, 3M syndrome is a horrible combination of 3 immune-related adverse events (iRAEs) after ICI exposure for cancer, including m...