MSRA-0783

A 45-year-old woman presents to the Emergency Department with symptoms of nausea, upper abdominal discomfort and distension. She has been taking aspirin regularly for the past 8 weeks due to a chronic back pain. She has been tested for Helicobacter pylori and was negative so the aspirin has been discontinued. A gastroscopy is performed which reveals the presence of gastritis and a benign duodenal ulcer that is not actively bleeding.
What is the most appropriate next step in managing this patient?