Obesity Clinical Trial
Official title:
Relation of the Nordic Dietary Pattern With Cardiometabolic Risk Factors and Incident Cardiovascular Outcomes: A Systematic Review and Meta-analysis of Randomized Controlled Trials and Prospective Cohort Studies
Verified date | September 2019 |
Source | University of Toronto |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The Nordic Diet is a dietary pattern rich in traditional Nordic foods, including berries, grains, and fatty fish common in northern Europe. Studies have shown a protective effect of the Nordic Diet on cardiometabolic risk factors, however only select clinical practice guidelines for the management of diabetes (i.e. Diabetes Canada) recommend this dietary pattern. To support the update of the EASD clinical practice guidelines for nutrition therapy, the investigators propose to conduct a systematic review and meta-analysis of prospective cohort studies and clinical trials to investigate the association between the Nordic Diet, cardiometabolic outcomes and cardiovascular disease incidence and mortality. The findings generated by this proposed knowledge synthesis will help improve the health of consumers through informing evidence-based guidelines and improving health outcomes by educating healthcare providers and patients, stimulating industry innovation, and guiding future research design.
Status | Active, not recruiting |
Enrollment | 1 |
Est. completion date | December 1, 2019 |
Est. primary completion date | December 1, 2019 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | N/A and older |
Eligibility |
Inclusion Criteria for controlled trials: - dietary trials in humans - Nordic diets intervention - Presence of an adequate comparator (ad libitum control) - Diet duration >=3 weeks - Viable outcome data Inclusion Criteria for prospective cohort studies: - Prospective cohort studies - Duration >= 1 year - Assessment of the exposure of a Nordic Diet - Ascertainment of viable data by level of exposure Exclusion Criteria for controlled trials: - Non-human trials - Observational studies - Lack of suitable comparator diet (i.e. non-isocaloric) - Diet duration <3-weeks - No viable outcome data Exclusion Criteria for prospective cohort studies: - Ecological, cross-sectional, retrospective observational studies, clinical trials, and non-human studies - Duration < 1 year - non assessment of exposure of a Nordic diet - No ascertainment viable clinical outcome data by level of exposure |
Country | Name | City | State |
---|---|---|---|
Canada | The Toronto 3D (Diet, Digestive tract and Disease) Knowledge Synthesis and Clinical Trials Unit, Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital | Toronto | Ontario |
Lead Sponsor | Collaborator |
---|---|
University of Toronto | Canada Research Chairs Endowment of the Federal Government of Canada, Canadian Diabetes Association, Canadian Institutes of Health Research (CIHR), The Physicians' Services Incorporated Foundation |
Canada,
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Adamsson V, Reumark A, Fredriksson IB, Hammarström E, Vessby B, Johansson G, Risérus U. Effects of a healthy Nordic diet on cardiovascular risk factors in hypercholesterolaemic subjects: a randomized controlled trial (NORDIET). J Intern Med. 2011 Feb;269(2):150-9. doi: 10.1111/j.1365-2796.2010.02290.x. Epub 2010 Oct 22. — View Citation
Fung TT, Rexrode KM, Mantzoros CS, Manson JE, Willett WC, Hu FB. Mediterranean diet and incidence of and mortality from coronary heart disease and stroke in women. Circulation. 2009 Mar 3;119(8):1093-100. doi: 10.1161/CIRCULATIONAHA.108.816736. Epub 2009 Feb 16. Erratum in: Circulation. 2009 Mar 31;119(12):e379. — View Citation
Kanerva N, Kaartinen NE, Rissanen H, Knekt P, Eriksson JG, Sääksjärvi K, Sundvall J, Männistö S. Associations of the Baltic Sea diet with cardiometabolic risk factors--a meta-analysis of three Finnish studies. Br J Nutr. 2014 Aug 28;112(4):616-26. doi: 10.1017/S0007114514001159. Epub 2014 May 27. — View Citation
Papadaki A, Scott JA. The impact on eating habits of temporary translocation from a Mediterranean to a Northern European environment. Eur J Clin Nutr. 2002 May;56(5):455-61. — View Citation
Roswall N, Sandin S, Scragg R, Löf M, Skeie G, Olsen A, Adami HO, Weiderpass E. No association between adherence to the healthy Nordic food index and cardiovascular disease amongst Swedish women: a cohort study. J Intern Med. 2015 Nov;278(5):531-41. doi: 10.1111/joim.12378. Epub 2015 May 19. — View Citation
Salas-Salvadó J, Bulló M, Babio N, Martínez-González MÁ, Ibarrola-Jurado N, Basora J, Estruch R, Covas MI, Corella D, Arós F, Ruiz-Gutiérrez V, Ros E; PREDIMED Study Investigators. Reduction in the incidence of type 2 diabetes with the Mediterranean diet: results of the PREDIMED-Reus nutrition intervention randomized trial. Diabetes Care. 2011 Jan;34(1):14-9. doi: 10.2337/dc10-1288. Epub 2010 Oct 7. Erratum in: Diabetes Care. 2018 Oct;41(10):2259-2260. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Incident Cardiovascular Disease (Prospective Cohort Studies) | Relative Risks | Time Frame: At least 1 year | |
Primary | LDL-cholesterol (randomized and non-randomized controlled trials) | Mean difference | Time Frame: Up to 20 years | |
Secondary | Glycemic control - Fasting blood glucose (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20 years | |
Secondary | Glycemic control - HbA1c (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Glycemic control - Fasting insulin (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Blood lipids - non-HDL-cholesterol (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Blood lipids - HDL-cholesterol (randomized and non-randomized controlled trials) | Mean difference | Time Frame: Up to 20-years | |
Secondary | Blood lipids - Triglycerides (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Blood lipids - apo B (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Adiposity - Body mass index (BMI) (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Adiposity - Body weight (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Adiposity - Waist circumference (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Blood pressure - systolic blood pressure (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Blood pressure - diastolic blood pressure (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Inflammation - C-reactive protein (CRP) (randomized and non-randomized controlled trials) | Mean Difference | Time Frame: Up to 20-years | |
Secondary | Incident Coronary Heart Disease (Prospective Cohort Studies) | Relative Risks | Time Frame: At least 1 year | |
Secondary | Incident Stroke (Prospective Cohort Studies) | Relative Risks | Time Frame: At least 1 year |
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