A 30-year-old woman with a history of a body mass index of 22 kg/m2, regurgitation, and pyrosis is following up in the clinic after 4 weeks. She explains to the clinician that she has significantly reduced her alcohol intake and takes her daily omeprazole as directed with minimal relief. Which of the following is the most appropriate next step in managing this patient’s condition? Initiate weight loss program Prescribe metoclopramide Prescribe omeprazole twice a day Refer to gastroenterology for further management