Diabetologia
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This study analysed cause-specific mortality in Type II (non-insulin-dependent) diabetic patients using either sulphonylurea alone or in combination with metformin. ⋯ There was a higher cardiovascular mortality in Type II diabetic patients taking sulphonylurea and metformin in combination than in those taking only sulphonylurea. Hence, it cannot be excluded that this kind of combination therapy possibly increases cardiovascular mortality. It is feasible that the increased mortality was secondary to a more aggressive type of diabetes in the patients using sulphonylurea and metformin in combination. Combination therapy is known to promote additional blood glucose reduction but there is as yet no evidence that a sulphonylurea and metformin combination is more beneficial on micro- or macrovascular disease than sulphonylurea or metformin alone.