A 48-year-old woman from Mumbai presents with a 6-week history of postprandial epigastric pain and early satiety. She denies vomiting or weight loss. She has been taking ibuprofen regularly for rheumatoid arthritis for the past 2 years. On examination, she is normotensive (BP 128/82 mmHg) and has mild epigastric tenderness. Laboratory tests show haemoglobin 11.8 g/dL (normal MCV), normal liver function, and negative H. pylori serology. Upper GI endoscopy shows a 2 cm ulcer on the lesser curve of the stomach with clean base and no active bleeding. What is the most appropriate management?