Obesity Clinical Trial
Official title:
Effect of Dietary Macronutrient Composition on Liver Substrate Metabolism
Verified date | February 2019 |
Source | University of Texas Southwestern Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study is to understand why Hispanics who are overweight have a higher incidence of fatty liver disease.
Status | Completed |
Enrollment | 24 |
Est. completion date | December 31, 2013 |
Est. primary completion date | December 31, 2013 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 20 Years to 65 Years |
Eligibility |
Inclusion Criteria: - Elevated serum ALT or metabolic syndrome - African American or Hispanic - Nondiabetic - Men or women - Smokers and nonsmokers - Pre- and post-menopausal (+/- HRT) - Stable body weight - Age 20-65 years - BMI between 25-45 kg/m2 Exclusion Criteria: - Diabetes or Pregnancy - Ethanol intake: males > 140 g/week, females > 70 g/week - Chronic hepatitis B or chronic hepatitis C - Hemochromatosis or Wilson's Disease - Autoimmune hepatitis or primary biliary cirrhosis |
Country | Name | City | State |
---|---|---|---|
United States | Center for Human Nutrition | Dallas | Texas |
Lead Sponsor | Collaborator |
---|---|
University of Texas Southwestern Medical Center |
United States,
Lambert JE, Parks EJ. Getting the label in: practical research strategies for tracing dietary fat. Int J Obes Suppl. 2012 Dec;2(Suppl 2):S43-50. doi: 10.1038/ijosup.2012.22. Epub 2012 Dec 11. Review. — View Citation
Lee JJ, Lambert JE, Hovhannisyan Y, Ramos-Roman MA, Trombold JR, Wagner DA, Parks EJ. Palmitoleic acid is elevated in fatty liver disease and reflects hepatic lipogenesis. Am J Clin Nutr. 2015 Jan;101(1):34-43. doi: 10.3945/ajcn.114.092262. Epub 2014 Nov — View Citation
Ramos-Roman MA, Sweetman L, Valdez MJ, Parks EJ. Postprandial changes in plasma acylcarnitine concentrations as markers of fatty acid flux in overweight and obesity. Metabolism. 2012 Feb;61(2):202-12. doi: 10.1016/j.metabol.2011.06.008. Epub 2011 Aug 5. — View Citation
Satapati S, Kucejova B, Duarte JA, Fletcher JA, Reynolds L, Sunny NE, He T, Nair LA, Livingston KA, Fu X, Merritt ME, Sherry AD, Malloy CR, Shelton JM, Lambert J, Parks EJ, Corbin I, Magnuson MA, Browning JD, Burgess SC. Mitochondrial metabolism mediates — View Citation
Shetty S, Ramos-Roman MA, Cho YR, Brown J, Plutzky J, Muise ES, Horton JD, Scherer PE, Parks EJ. Enhanced fatty acid flux triggered by adiponectin overexpression. Endocrinology. 2012 Jan;153(1):113-22. doi: 10.1210/en.2011-1339. Epub 2011 Nov 1. — View Citation
Sunny NE, Parks EJ, Browning JD, Burgess SC. Excessive hepatic mitochondrial TCA cycle and gluconeogenesis in humans with nonalcoholic fatty liver disease. Cell Metab. 2011 Dec 7;14(6):804-10. doi: 10.1016/j.cmet.2011.11.004. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | de novo lipogenesis | In vivo measurement is made of liver fatty acid synthesis using stable isotope administration and analysis of plasma samples by GS/MS | Change from Baseline in fatty acid synthesis at 5 months | |
Secondary | Dietary fatty acid clearance to liver | Using a dietary stable isotope we will quantitate fat absorption and recycling of fat through the liver. | Change from Baseline in dietary fat clearance at 5 months | |
Secondary | Adipose fatty acid flux | A stable isotope is infused and the rate of adipose fatty acid release is calculated after analyzing blood samples. | Change from Baseline in adipose fat flux at 5 months |
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