Review Question - QID 214840

A 52-year-old man presents to his primary care physician for acid reflux over the last 3 months. He has been trying over-the-counter calcium carbonate tablets almost daily, which have provided minimal relief. He denies any difficulty or pain with swallowing, weight loss, bloody vomitus, dark-colored stools, or night sweats. He has a medical history of hypertension and hyperlipidemia and has smoked 1 pack of cigarettes daily for the last 20 years. He takes lisinopril and atorvastatin daily. His temperature is 98.6°F (37.0°C), blood pressure is 115/70 mmHg, pulse is 70/min, and respirations are 12/min. His body mass index is 33 kg/m^2. Physical examination discloses no abnormalities. The patient is scheduled for an endoscopy, which demonstrates salmon-colored esophageal mucosa at the gastroesophageal junction. A biopsy of this mucosa demonstrates no dysplasia or evidence of Helicobacter pylori infection. He is started on proton pump inhibitor therapy, as well as nicotine and dietary counseling. Which of the following is the most appropriate next step in management?