• Vishnou Mourougavelou and Tahseen A Chowdhury.
• The Royal London Hospital, London, UK.
• Clin Med (Lond). 2023 Jul 1; 23 (4): 364371364-371.

AbstractDiabetes and obesity are closely interlinked. Obesity is a major risk factor for the development of type 2 diabetes mellitus and appears to be an important risk factor for diabetic micro- and macrovascular complications. Management of hyperglycaemia in people with diabetes is important to reduce diabetes-related complications. Previously, there was a significant tension between management of hyperglycaemia and mitigating weight gain. Older drugs, such as sulfonylureas, glitazones, and insulin, although effective antihyperglycaemic agents, tend to induce weight gain. There is now an increasing recognition in people with obesity and diabetes that the focus should be on aiding weight loss, initially with improvements in diet and physical activity, possibly with the use of low-calorie diet programmes. Subsequent addition of metformin and newer agents, such as sodium-glucose transporter-2 inhibitors and glucagon-like peptide-1 analogues, will aid glucose control and weight reduction, and offer cardiovascular and renal protection. These drugs are now much higher in the therapeutic pathway in many national and international guidelines. Bariatric surgery may also be an effective way to manage hyperglycaemia or induce remission in individuals with both obesity and diabetes.© Royal College of Physicians 2023. All rights reserved.

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