How do you approach initial treatment for AL amyloidosis with excess plasmacytosis in the bone marrow, that has cardiac involvement and is not a transplant candidate?

This is the mirror image of an earlier question on theMednet, namely how we would approach MM treatment in someone who was incidentally diagnosed with AL amyloidosis:

https://www.themednet.org/question/13482

Here, it's how we would approach AL amyloidosis with someone well over 10% bone marrow plasma ...