Cancer is frequently associated with Inclusion Body Myositis. Some of the trademark biomarkers, associated with the condition, indicate that Leronlimab might help Peter Frampton. High CCR5 expression, T Cell deregulation, and chronic inflammation are present. Current treatment is immune suppressing steroids. I didn't see this in Ohm20's list. However, I may have an outdated copy.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6374100/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5516174/