My understanding is that there's no difference in treatment when it comes to immunosuppressants. If you're going to go on Prednisone, Imuran, Cellcept, etc., it doesn't matter which antibodies are causing your MG. The treatment would be the same if you had this antibody or that one or a combination.

It may be that non-immunosuppressant drugs like Mestinon work better for some antibodies than for others. But with Mestinon you can just try it and see if it works.

So I can't think of a reason why it's important to know exactly which antibodies are causing the MG, once it's determined that the patient has MG (of course it would be very different if the problem was CMS, which isn't an autoimmune disease). Can anyone else?

Abby