Nutritional adequacy of very low- and high-carbohydrate, low saturated fat diets in adults with type 2 diabetes: A secondary analysis of a 2-year randomised controlled trial

2020 ◽  
Vol 170 ◽  
pp. 108501
Author(s):  
Jeannie Tay ◽  
Campbell H. Thompson ◽  
Natalie D. Luscombe-Marsh ◽  
Manny Noakes ◽  
Jonathan D. Buckley ◽  
...  
2016 ◽  
Vol 4 (4) ◽  
pp. 309-317 ◽  
Author(s):  
Hiddo J L Heerspink ◽  
Frederik Persson ◽  
Barry M Brenner ◽  
Nish Chaturvedi ◽  
Patrick Brunel ◽  
...  

2020 ◽  
pp. 1-10
Author(s):  
Fatemeh Nouripour ◽  
Zohreh Mazloom ◽  
Mohammad Fararouei ◽  
Ali Zamani

Abstract Studies have revealed that the timing of macronutrient ingestion may influence body weight and glucose tolerance. We aimed to examine the effect of high protein v. high carbohydrate intake at the evening meal on metabolic parameters of patients with type 2 diabetes. This is a single-blinded, parallel, randomised controlled trial. Ninety-six patients with type 2 diabetes, aged 32–65 years with a mean BMI of 28·5 (sd 3·4) kg/m2, were randomly assigned into one of these three groups: standard evening meal (ST), high-carbohydrate evening meal (HC) and high-protein evening meal (HP). Then, the patients were followed for 10 weeks. HbA1c, fasting blood glucose, fasting insulin, insulin resistance, TAG, LDL-cholesterol, VLDL-cholesterol, diastolic blood pressure, body weight, body fat percentage and waist circumference decreased significantly in all three groups (P < 0·05). HbA1c showed more improvement in the ST compared with the HP group (–0·45 (sd 0·36) v. –0·26 (sd 0·36)). Reductions in BMI and body weight were significantly higher in the ST compared with the HP group (P < 0·05). Reductions in total cholesterol, non-HDL-cholesterol and systolic blood pressure were significant in all groups, except for the HP group. Non-HDL-cholesterol:HDL-cholesterol remained unchanged in all groups. The results of the present study revealed that even distribution of carbohydrates and protein among meals compared with reducing carbohydrates and increasing protein at dinner may have a more beneficial effect on glycaemic control of patients with type 2 diabetes.


BMJ Open ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. e019572
Author(s):  
Vanessa Selak ◽  
Tereki Stewart ◽  
Yannan Jiang ◽  
Jennifer Reid ◽  
Taria Tane ◽  
...  

IntroductionType 2 diabetes mellitus (T2DM) and its complications are more common among Māori and Pacific people compared with other ethnic groups in New Zealand. Comprehensive and sustained approaches that address social determinants of health are required to address this condition, including culturally specific interventions. Currently, New Zealand has no comprehensive T2DM management programme for Māori or Pacific people.Methods and analysisThe Mana Tū programme was developed by a Māori-led collaborative of primary healthcare workers and researchers, and codesigned with whānau (patients and their families) in order to address this gap. The programme is based in primary care and has three major components: a Network hub, Kai Manaaki (skilled case managers who work with whānau with poorly controlled diabetes) and a cross-sector network of services to whom whānau can be referred to address the wider determinants of health. The Network hub supports the delivery of the intervention through training of Kai Manaaki, referrals management, cross-sector network development and quality improvement of the programme. A two-arm cluster randomised controlled trial will be conducted to evaluate the effectiveness of the Mana Tū programme among Māori, Pacific people or those living in areas of high socioeconomic deprivation who also have poorly controlled diabetes (glycated haemoglobin, HbA1c, >65 mmol/mol (8%)), compared with being on a wait list for the programme. A total of 400 participants will be included from 10 general practices (5 practices per group, 40 participants per practice). The primary outcome is HbA1c at 12 months. Secondary outcomes include blood pressure, lipid levels, body mass index and smoking status at 12 months. This protocol outlines the proposed study design and analysis methods.Ethics and disseminationEthical approval for the trial has been obtained from the New Zealand Health and Disability Ethics Committee (17/NTB/249). Findings will be presented to practices and their patients at appropriate fora, and disseminated widely through peer-reviewed publications and conference presentations.Trial registration numberACTRN12617001276347; Pre-result.


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