Practice question

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A 65-year-old man with type 2 diabetes has an HbA1c of 60 mmol/mol despite being on metformin 1g twice daily. His eGFR is 55 mL/min/1.73m² and he has a history of a myocardial infarction. According to NICE guidelines, what is the most appropriate second-line agent to add?

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