NAVLE Practice Test 6

An 11-year-old castrated male domestic shorthair cat weighing 6.5 kg (14.3 lb), with a body condition score of 7/9, has increased thirst and urination and has lost 1 kg. He has received methylprednisolone acetate injections for skin disease every 2 months. He is bright and eating. Temperature 101.4°F (38.6°C), heart rate 190 beats/min, respiratory rate 28 breaths/min. Blood glucose is 410 mg/dL (22.8 mmol/L; reference 71–159 mg/dL, 3.9–8.8 mmol/L), fructosamine is 560 µmol/L (reference 200–360), and there is glucosuria without ketonuria. The glucocorticoid is stopped. Which of the following plans gives the best chance of diabetic remission?