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NCT number NCT03301545
Study type Interventional
Source University of Manitoba
Contact Krista M Hardy, MD
Phone 204-237-2574
Email khardy@sbgh.mb.ca
Status Not yet recruiting
Phase N/A
Start date March 2018
Completion date March 2020

Clinical Trial Summary

Obesity and type 2 diabetes mellitus (T2DM) are major global health concerns as they commonly co-occur and are associated with significant morbidity, mortality, and health care expenditures. The Indigenous (First Nations, Metis and Inuit) population bears a disproportionate burden of T2DM in Canada. The prevalence of obesity among Indigenous individuals is approximately 31.2% compared to 18.6% for the non-Indigenous population. In 2011, 16.7% of Manitoba's population, or four times the Canadian average, identified as Indigenous. At the same time, prevalence of T2DM in Manitoba is on the rise. Bariatric surgery is an effective treatment modality for the improvement and resolution of T2DM in patients who are obese. We aim to compare the effectiveness of bariatric surgery with conventional medical treatment in treating metabolic diseases in Indigenous people; the findings of which will assist in future treatment and program planning. Our objective is to determine whether Manitoba's urban Indigenous population will achieve better diabetic control and improved rates of remission of T2DM with bariatric surgery compared to best diabetic medical care.


Clinical Trial Description

Obesity and type 2 diabetes mellitus (T2DM) are major global health concerns as they commonly co-occur and are associated with significant morbidity, mortality, and health care expenditures. The Indigenous population bears a disproportionate burden of T2DM in Canada. The 2007/2008 Canadian Community Health Survey (Statistics Canada) reported the prevalence of obesity among Indigenous individuals is approximately 31.2% compared to 18.6% for the non-Indigenous population. In 2011, 16.7% of Manitoba's population, or four times the Canadian average, identified as Indigenous(Statistics Canada). At the same time, prevalence of T2DM in Manitoba is on the rise. Bariatric surgery is an effective treatment modality for the improvement and resolution of T2DM in patients who are obese. To date, there are no published studies comparing the effectiveness of bariatric surgery with conventional medical treatment in treating metabolic diseases in Indigenous people.

Our objective is to determine whether Manitoba's urban Indigenous population will achieve better diabetic control and improved rates of remission of T2DM with bariatric surgery compared to best diabetic medical care (Manitoba Diabetes Care Recommendations, 2010; consistent with the Canadian Diabetes Association and Clinical Practice Guidelines). Our primary outcome is best diabetic control at one-year post-intervention, as measured by fasting plasma glucose and hemaglobin A1c (HbA1c). Secondary outcomes will include changes in diabetic medication use, mean weight loss, and percentage changes in blood pressure, waist circumference measurement changes, and levels of fasting blood lipids (total cholesterol, HDL, LDL, and triacylglycerides). Additional funding to extend the study to include follow-up of study participants at five years post-treatment through accessing their medical charts and anonymized administrative data will be sought.


Study Design


Related Conditions & MeSH terms


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