Q. A 54-year-old male presents to the clinic with a 2-month history of recurrent episodes of RUQ abdominal pain and foul smelling diarrhea. He also reports feeling fatigued and losing weight over the past 6 months. Physical exam reveals an abdominal mass, and laboratory tests show elevated levels of glucose and lipids in his blood. A CT scan is performed, which reveals a large tumor in his pancreas. Further tests show an elevated gastric pH level. Which of the following medications is the best choice as initial therapy for this patient?