Commentary on: Wu CY, Iskander C, Wang C, et al. Association of sulfonylureas with the risk of dementia: A population-based cohort study. J Am Geriatr Soc. 2023; 71:3059–70.
Unless contraindicated, dipeptidyl peptidase 4 inhibitors (DPP-4i) should be used as first-line choice in older adults with type 2 diabetes in preference to sulfonylurea due to increased risk of dementia. Prospective studies are needed to ascertain if the use of sulfonylurea by older adult patients causes higher risk of developing dementia.
Diabetes is already known as a risk factor for developing dementia. Multiple factors contribute to this association: presence of microvascular and macrovascular complications, chronic inflammation, hyperglycaemia, hypoglycaemia and hyperinsulinemia.
Older adult patients often present with multimorbidities, polypharmacy, malnutrition, sarcopenia, longer duration of diabetes and renal and hepatic dysfunction. Furthermore, low education level, high blood pressure, dyslipidemia, obstructive...