Ketones are naturally produced by our body and can affect our blood sugar levels. Ketones could be important in the treatment of type 2 diabetes (T2D). The purpose of this research is to determine if a ketone drink can lower blood sugar in people with T2D following a meal. This research will provide new knowledge about the regulation of blood sugar. This may also inform if ketone drinks could be used as a treatment for T2D.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
QUADRUPLE
Enrollment
15
100 mL flavoured drink containing 0.3 g/kg ketone monoester ((R)-3-hydroxybutyl (R)-3-hydroxybutyrate; ΔG®, University of Oxford; https://www.deltagketones.com) consumed 30 min prior to a mixed meal tolerance test, on 2 occasions during test day
Placebo with stevia and bitter agent to flavour match, consumed 30 min prior to a mixed meal tolerance test, on 2 occasions during test day
Sport & Health Sciences University of Exeter
Exeter, Devon, United Kingdom
Rate of endogenous glucose production
Rate of endogenous glucose production over 4 hours in response to a meal measured by blood sample
Time frame: 4 hours
Total rate of glucose appearance
Total rate of glucose appearance measured using the change in glucose enrichment/concentration over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Exogenous glucose rate of appearance
Exogenous rate of glucose appearance measured using the change in glucose enrichment/concentration over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Total rate of glucose disappearance
Total rate of glucose disappearance measured using the change in glucose enrichment/concentration over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Rate of gluconeogenesis
Rate of gluconeogenesis measured using the change in glucose enrichment/concentration over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Rate of glycogenolysis
Rate of glycogenolysis measured using the change in glucose enrichment/concentration over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Beta-cell function
Beta-cell function using dynamic modelling of insulin/c-peptide secretion over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
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Insulin concentration
Insulin concentration using ELISA assay over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Glucagon concentration
Glucagon concentration using ELISA assay over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
GLP-1 concentration
GLP-1 using ELISA assay over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
GIP concentration
GIP concentration using ELISA assay over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Glycerol concentration
Glycerol concentration using colorimetric assay over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Free fatty acid concentration
Free fatty acids using colorimetric assay over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Ketone concentration
Ketone concentration using colorimetric assay over 4 and 8 hours following a meal
Time frame: 4 and 8 hours
Energy expenditure
Energy expenditure using indirect calorimetry over 4 and 8 hours following a meal
Time frame: 4 and 8 hours