Should systemic therapies be added to ADT and salvage RT in patients with PSAs >2 ng/mL after RP?

The question is asking for patients who underwent RP, and the PSA either was persistently elevated to ~2.0 ng/mL, or was observed until it was 2.0 ng/mL, what is the standard of care.

The only salvage RT trial that really enrolled men at a PSA of 2 or higher was RTOG 9601 (GETUG-16 allowed up to 2.0...