Evaluation of the Benefit of Lidocaine on the Prevention of the Risk of Post Endoscopic Retrograde Cholangio-pancreatography Pancreatitis.

This study is testing whether injecting lidocaine (a local anesthetic) during an ERCP (a procedure that uses a scope and X-rays to examine and treat problems in the bile ducts and pancreas) can prevent post-ERCP pancreatitis — a common and painful complication where the pancreas becomes inflamed after the procedure. The study is being conducted in France. You may be eligible if... - You are over 18 years old - You are scheduled for an ERCP with an untouched (virgin) papilla - You can read and sign an informed consent form You may NOT be eligible if... - You have already had a sphincterotomy on your papilla - You are under legal guardianship or court protection - You are pregnant or a woman of childbearing age without effective contraception - You are not affiliated with the French social security system - You are participating in another clinical research protocol - You cannot give informed consent (due to dementia, psychosis, or language barrier) - You have a contraindication to NSAIDs or anesthesia products including lidocaine Talk to your doctor to see if this trial is right for you.