Could skipping a common painkiller improve cancer pain treatment?

This study looks at a procedure called EUS-guided celiac plexus neurolysis (EUS-CPN) to help manage pain from pancreatic cancer. Doctors usually inject a numbing drug (bupivacaine) before alcohol to prevent pain, but it's unclear if it helps or might even reduce the procedure's effectiveness. The trial will compare pain levels in 180 adults who get the standard injection versus those who skip the numbing drug.