Epidemiological data suggest, that not only sugar-based, but also artificially sweetened soft drinks may play a role in the development of diabetes. Recent studies in animals and humans have shown, that artificial sweeteners (AS) influence metabolic responses after glucose ingestion, possibly alter the intestinal microbiome and even modulate incretin release. Data on human subjects are sparse and controversial, especially in a long-term manner. We therefore conduct a cross-over study to assess metabolic response to sweetened vs. non-sweetened soft drinks, which are consumed over a period of 4 weeks.
Epidemiological data suggest, that not only sugar-based, but also artificially sweetened soft drinks may play a role in the development of diabetes. Recent studies in animals and humans have shown, that artificial sweeteners (AS) influence metabolic responses after glucose ingestion, possibly alter the intestinal microbiome and even modulate incretin release. Data on human subjects are sparse and controversial, especially in a long-term manner. We therefore conduct a cross-over study to assess metabolic response to sweetened vs. non-sweetened soft drinks, which are consumed over a period of 4 weeks. Metabolic assessment will be based on oral glucose tolerance tests.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
QUADRUPLE
Enrollment
10
German Institut for Human Nutrition; Department for Clinical Nutrition
Bergholz-Rehbrücke, Brandenburg, Germany
change in release of GIP
change in fasting state and post-glucose release of GIP between the two interventions
Time frame: 4 weeks (cross-over)
change in release of GLP-1
change in fasting state and post-glucose release of GLP-1 between the two interventions
Time frame: 4 weeks (cross-over)
change in release of GLP-2
change in fasting state and post-glucose release of GLP-2 between the two interventions
Time frame: 4 weeks (cross-over)
change in release of PYY
change in fasting state and post-glucose release of PYY between the two interventions
Time frame: 4 weeks (cross-over)
change in release of insulin
change in fasting state and post-glucose release of insulin between the two interventions
Time frame: 4 weeks (cross-over)
change in combined levels of glucose and insulin, expressed in calculated indices for insulin secretion
change in fasting state and post-glucose insulin secretion between the two interventions
Time frame: 4 weeks (cross-over)
change in combined levels of glucose and insulin, expressed in calculated indices for insulin sensitivity
change in fasting state and post-glucose insulin sensitivity between the two interventions
Time frame: 4 weeks (cross-over)
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