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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT03729934
Other study ID # KBS2018
Secondary ID
Status Withdrawn
Phase N/A
First received
Last updated
Start date December 1, 2020
Est. completion date January 1, 2021

Study information

Verified date April 2021
Source University of Alabama at Birmingham
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study determines whether different forms of ketones supplemented prior to a meal lower the triglyceride (fat) content in the blood of overweight and obese individuals. Through a randomized crossover design, participants (n=15) will participate in each of the following three experimental groups (no treatment control, ketone ester, ketone salt), with a 5-14 day washout period between each experimental visit.


Description:

Previous studies conducted by the investigative team in rodents show that male mice fed a diet containing 30% ketone ester (by kcals) results in greater fecal content and energy loss. While the investigators are unsure of the exact macronutrient content of the energy loss, the hypothesis is that the energy excretion is attributed to lower fat absorption. In the context of this study, it's hypothesized that ketone salts and ketone esters (both available commercially and used for a variety of health-related claims) will reduce the absorption of dietary fats leading to lower circulating triglyceride concentrations if consumed prior to a high-fat mixed meal. If the hypothesis is correct, ketones supplementation could become a valuable strategy to reduce the rise in circulating triglycerides often present in obesity. Triglyceride concentrations in the blood following a meal have been linked to development of cardiovascular disease.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date January 1, 2021
Est. primary completion date January 1, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 25 Years to 45 Years
Eligibility Inclusion Criteria: - Overweight or obese men as defined by a BMI of greater than or equal to 25 kg/m2, but less than 35 kg/m2 - Between the ages of 25 and 45 years - Fasting triglyceride levels less than 250 mg/dL Exclusion Criteria: - Participates in regular physical activity (=3 days/week at 30 minutes or more per day) - Diagnosed cardiovascular disease or metabolic disease (type 1 or type 2 diabetes) - Currently following a low carbohydrate (<100 g/day) diet - Lost greater than or equal to 5% body weight over the last 2 months - Alcohol/smoking/antibiotics

Study Design


Intervention

Dietary Supplement:
Ketone Ester
This arm receives 25 g ketone ester.
Ketone Salt
This arm receives 25 g ketone salt.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
University of Alabama at Birmingham

Outcome

Type Measure Description Time frame Safety issue
Primary Change from baseline plasma glucagon-like peptide 1 at 240 minutes Plasma levels of glucagon-like peptide 1 in pg/L 0, 30, 60, 120, 180, and 240 minutes post-supplement consumption
Primary Change from baseline serum triglycerides at 240 minutes Serum levels of triglycerides in mg/DL 0, 30, 60, 120, 180, and 240 minutes post-supplement consumption
Primary Change from baseline serum glucose at 240 minutes Serum levels of glucose in mg/dL 0, 30, 60, 120, 180, and 240 minutes post-supplement consumption
Primary Change from baseline serum Insulin at 240 minutes Serum levels of insulin in pmol/L 0, 30, 60, 120, 180, and 240 minutes post-supplement consumption
Primary Change from baseline serum B-hydroxybutyrate at 240 minutes Serum levels of B-hydroxybutyrate in mmol/L 0, 30, 60, 120, 180, and 240 minutes post-supplement consumption
Primary Change from baseline plasma ghrelin at 240 minutes Plasma levels of ghrelin in pg/mL 0, 30, 60, 120, 180, and 240 minutes post-supplement consumption
Primary Change from baseline plasma leptin at 240 minutes Plasma levels of leptin in ng/mL 0, 30, 60, 120, 180, and 240 minutes post-supplement consumption
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