Banafshe Khodami1, Behzad Hatami2, Zahra Yari1, Seyyed Moayyed Alavian3, Amir Sadeghi2, Hamed Kord Varkaneh1, Heitor O Santos4, Azita Hekmatdoost5. 1. Department of Clinical Nutrition and Dietetics, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and FoodTechnology, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 2. Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical, Sciences, Tehran, Iran. 3. Tehran Hepatitis Center, Tehran, Iran. 4. School of Medicine, Federal University of Uberlandia (UFU), Uberlandia, Minas Gerais, Brazil. 5. Department of Clinical Nutrition and Dietetics, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and FoodTechnology, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran. a_hekmat2000@yahoo.com.
Abstract
BACKGROUND: Although the role of a diet rich in fructose and saccharose in development of nonalcoholic fatty liver disease (NAFLD) is well known, the effects of a low free sugar diet in the management of the disease have not yet been investigated in adult patients with NAFLD. We aimed, therefore, to analyze the effects of a low-free sugar diet on NAFLD main features. METHODS: Participants with FibroScan-proven NAFLD were randomized to a 12-week dietary intervention (low free sugar diet or usual diet). The primary outcome was change in hepatic steatosis measurement between baseline and 12 weeks. The secondary outcomes included changes in anthropometric measurements, lipid profile, glycemic indices, liver enzymes, and inflammatory factors. RESULTS: Forty-three subjects completed the 12-week intervention. Low free sugar diet compared with the usual diet significantly decreased the concentrations of ALT (43.00 ± 27.54 to 27.95 ± 20.77 U/L), TG (172.86 ± 83.04 to 144.19 ± 65.55), TC (155.54 ± 37.55 to 139.86 ± 33.63 mg/dL), FBS (103.95 ± 15.42 to 91.00 ± 14.36 mg/dL), insulin (14.37 ± 5.79 to 8.92 ± 5.43 mU/L), HOMA-IR (3.81 ± 1.80 to 2.06 ± 1.29), hs-CRP (3.80 ± 1.09 to 2.88 ± 0.52 mg/L), TNF-α (4.60 ± 1.54 to 3.41 ± 0.69 pg/mL), NF-kb (3.89 ± 1.34 to 3.35 ± 1.33), as well as resulted in reduced fibrosis score and steatosis score, with increased QUICKI (P < 0.05). The differences in AST, GGT, HDL-C and LDL-C were not significant (P > 0.05). CONCLUSION: Low free sugar diet in overweight/obese NAFLD patients may reduce hepatic steatosis and fibrosis while improving glycemic indices, decreasing the concentrations of biomarkers of inflammation, TG, and TC levels.
BACKGROUND: Although the role of a diet rich in fructose and saccharose in development of nonalcoholic fatty liver disease (NAFLD) is well known, the effects of a low free sugar diet in the management of the disease have not yet been investigated in adult patients with NAFLD. We aimed, therefore, to analyze the effects of a low-free sugar diet on NAFLD main features. METHODS: Participants with FibroScan-proven NAFLD were randomized to a 12-week dietary intervention (low free sugar diet or usual diet). The primary outcome was change in hepatic steatosis measurement between baseline and 12 weeks. The secondary outcomes included changes in anthropometric measurements, lipid profile, glycemic indices, liver enzymes, and inflammatory factors. RESULTS: Forty-three subjects completed the 12-week intervention. Low free sugar diet compared with the usual diet significantly decreased the concentrations of ALT (43.00 ± 27.54 to 27.95 ± 20.77 U/L), TG (172.86 ± 83.04 to 144.19 ± 65.55), TC (155.54 ± 37.55 to 139.86 ± 33.63 mg/dL), FBS (103.95 ± 15.42 to 91.00 ± 14.36 mg/dL), insulin (14.37 ± 5.79 to 8.92 ± 5.43 mU/L), HOMA-IR (3.81 ± 1.80 to 2.06 ± 1.29), hs-CRP (3.80 ± 1.09 to 2.88 ± 0.52 mg/L), TNF-α (4.60 ± 1.54 to 3.41 ± 0.69 pg/mL), NF-kb (3.89 ± 1.34 to 3.35 ± 1.33), as well as resulted in reduced fibrosis score and steatosis score, with increased QUICKI (P < 0.05). The differences in AST, GGT, HDL-C and LDL-C were not significant (P > 0.05). CONCLUSION: Low free sugar diet in overweight/obese NAFLD patients may reduce hepatic steatosis and fibrosis while improving glycemic indices, decreasing the concentrations of biomarkers of inflammation, TG, and TC levels.
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