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Type: Journal article
Title: A high-protein diet with resistance exercise training improves weight loss and body composition in overweight and obese patients with Type 2 diabetes
Author: Wycherley, T.
Noakes, M.
Clifton, P.
Cleanthous, X.
Keogh, J.
Brinkworth, G.
Citation: Diabetes Care, 2010; 33(5):969-976
Publisher: Amer Diabetes Assoc
Issue Date: 2010
ISSN: 0149-5992
Statement of
Thomas P. Wycherley, Manny Noakes, Peter M. Clifton, Xenia Cleanthous, Jennifer B. Keogh and Grant D. Brinkworth
Abstract: OBJECTIVE: To evaluate the effects of two low-fat hypocaloric diets differing in the carbohydrate-to-protein ratio, with and without resistance exercise training (RT), on weight loss, body composition, and cardiovascular disease (CVD) risk outcomes in overweight/obese patients with type 2 diabetes. RESEARCH DESIGN AND METHODS: A total of 83 men and women with type 2 diabetes (aged 56.1 ± 7.5 years, BMI 35.4 ± 4.6 kg/m2) were randomly assigned to an isocaloric, energy-restricted diet (female subjects 6 MJ/day, male subjects 7 MJ/day) of either standard carbohydrate (CON; carbohydrate:protein:fat 53:19:26) or high protein (HP; 43:33:22), with or without supervised RT (3 days/week) for 16 weeks. Body weight and composition, waist circumference (WC), and cardiometabolic risk markers were assessed. RESULTS: Fifty-nine participants completed the study. There was a significant group effect (P ≤ 0.04) for body weight, fat mass, and WC with the greatest reductions occuring in HP+RT (weight [CON: −8.6 ± 4.6 kg, HP: −9.0 ± 4.8 kg, CON+RT: −10.5 ± 5.1 kg, HP+RT: −13.8 ± 6.0 kg], fat mass [CON: −6.4 ± 3.4 kg, HP: −6.7 ± 4.0 kg, CON+RT: −7.9 ± 3.7 kg, HP+RT: −11.1 ± 3.7 kg], and WC [CON: −8.2 ± 4.6 cm, HP: −8.9 ± 3.9 cm, CON+RT: −11.3 ± 4.6 cm, HP+RT: −13.7 ± 4.6 cm]). There was an overall reduction (P < 0.001) in fat-free mass (−2.0 ± 2.3 kg), blood pressure (−15/8 ± 10/6 mmHg), glucose (−2.1 ± 2.2 mmol/l), insulin (−4.7 ± 5.4 mU/l), A1C (−1.25 ± 0.94%), triglycerides (−0.47 ± 0.81 mmol/l), total cholesterol (−0.67 ± 0.69 mmol/l), and LDL cholesterol (−0.37 ± 0.53 mmol/l), with no difference between groups (P ≥ 0.17). CONCLUSIONS: An energy-restricted HP diet combined with RT achieved greater weight loss and more favorable changes in body composition. All treatments had similar improvements in glycemic control and CVD risk markers.
Keywords: Humans
Cardiovascular Diseases
Diabetes Mellitus, Type 2
Weight Loss
Blood Glucose
Dietary Proteins
Treatment Outcome
Diet, Fat-Restricted
Risk Factors
Patient Compliance
Life Style
Body Composition
Energy Intake
Blood Pressure
Middle Aged
Muscle Strength
Rights: © 2010 by the American Diabetes Association.
DOI: 10.2337/dc09-1974
Appears in Collections:Aurora harvest
Obstetrics and Gynaecology publications

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