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  • Title: Effect of high-protein meal replacement on weight and cardiometabolic profile in overweight/obese Asian Indians in North India.
    Author: Gulati S, Misra A, Tiwari R, Sharma M, Pandey RM, Yadav CP.
    Journal: Br J Nutr; 2017 Jun; 117(11):1531-1540. PubMed ID: 28653586.
    Abstract:
    The aim of the present study was to evaluate the impact of a high-protein meal replacement (HPMR) on weight and metabolic, lipid and inflammatory parameters in overweight/obese Asian Indians. In this 12-week open-label, parallel-arm randomised controlled trial, 122 overweight/obese men and women were administered either a HPMR or a control diet after 2 weeks of diet and exercise run-in. Body weight, waist circumference (WC), percentage body fat (%BF), fasting blood glucose, post-oral glucose tolerance test (post-OGTT) blood glucose, fasting and post-OGTT serum insulin, lipid profile, high-sensitivity C-reactive protein (hs-CRP), kidney function and hepatic aminotransferases were assessed before and after the intervention. Additional improvement in mean values for the following parameters in the HPMR group compared with the control group was observed: body weight, 4·9 % (95 % CI 3·8, 6·1; P<0·001); WC, 3·8 % (95 % CI 2·5, 5·1; P<0·001); %BF, 6·3 % (95 % CI 4·3, 8·2; P<0·001); systolic blood pressure, 2·8 % (95 % CI 0·4, 5·1; P=0·002); diastolic blood pressure, 3·5 % (95 % CI 0·7, 6·3; P= 0·01); post-OGTT blood glucose, 7·3 % (95 % CI 1·4, 13·1; P=0·02); total cholesterol, 2·5 % (95 % CI 1·6, 3·5; P<0·001); LDL-cholesterol, 7·3 % (95 % CI 1·7, 12·9; P<0·01); alanine aminotransferase, 22·0 % (95 % CI 2·1, 42; P=0·03) and aspartate aminotransferase, 15·2 % (95 % CI 0·9, 29·5; P=0·04). The absolute reduction in BMI was 0·9 units in the intervention arm compared with the control arm (-0·9 %, 95 % CI -1·4, -0·5; P<0·001) and in serum TAG was 11·9 mg/dl (-11·9 mg/dl, 95 % CI -21·1, -2·7; P<0·01). The reduction in fasting serum insulin in the intervention v. the control arm was 3·8 v. 0 % (P=0·002); post-OGTT serum insulin was 50·3 v. 77·3 mU/l (P=0·005); and hs-CRP, 16·7 % v. 0 % (P=0·002). These findings show that intervention with HPMR may lead to significant weight loss and improvement in obesity measures, metabolic, lipid and inflammatory parameters and hepatic transaminases in overweight/obese Asian Indians.
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