You’ve already started on Eligard (which will result in your testosterone being suppressed; your PSA should follow). So, that horse is already out of the barn (so to speak).
> You’re waiting on the Zytiga (Abiraterone)/Prednisone until your ERCP test results. (If it were me, I would wait until those results come in rather than running in circles around “what if’s.”)

Has your doctor recommended minimizing the Eligard side-effects with resistance-training exercises?

The Zytiga (Abiraterone) has its own possible side-effects. (See attached chart.)

Has your medical team said anything about liver issues with Eligard?

Has your medical team said anything about liver issues with the Zytiga (Abiraterone)/Prednisone combination?

Again, if it were me I would let the data and test results guide your path, rather than “what if’s.”