Type 2 & other diabetes

Effect of weight-maintaining ketogenic diet on glycemic control and insulin sensitivity in obese T2D subjects

BMJ Open Diabetes Res CarePublished Randomised controlled trial

Authors' conclusion

In the absence of weight loss, a low carbohydrate ketogenic diet has no beneficial effect on glucose tolerance, insulin sensitivity, or other metabolic parameters.

Study context

Population
Overweight obese subjects with T2D3 diets · 10 days
Participants
29 subjects
Comparison
Weight-maintaining ketogenic diet vs weight-maintaining standard diet

Primary result

As reported in the abstract

10 days
  • Glucose tolerance decreased slightly or remained unchanged in the two ketogenic diet groups
  • Whole body (muscle), liver and adipose tissue insulin sensitivity unchanged in all 3 groups

Further findings

Body weight, fat content, % body fat (DEXA) · 10 days

Remained constant in all three groups

Substrate metabolism with ketogenic diet

Plasma β-OH-B concentration increased twofold
Carbohydrate oxidation decreased and lipid oxidation increased

Plasma lipid profile and blood pressure

Unchanged in all 3 groups

Original publication

Effect of weight-maintaining ketogenic diet on glycemic control and insulin sensitivity in obese T2D subjects. BMJ Open Diabetes Res Care. Published 18 October 2024. doi:10.1136/bmjdrc-2024-004199

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