AKT-2406

A 62-year-old man presents with a three month history of epigastric pain after eating and intermittent heartburn between meals. He reports weight loss but denies any nausea or vomiting. There is no change in bowel habit and no history of passing blood or melaena stools. He has no significant past medical history, drinks up to 10 units of alcohol a week, and quit smoking five years ago. What is the optimal course of action for managing his symptoms?