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| Name | Class |
|---|---|
| Canadian Institutes of Health Research (CIHR) | OTHER_GOV |
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Despite the availability of medications, many people around the world continue to live with long-term health problems like heart disease, stroke and diabetes. In Canada, heart disease is a leading cause of death. Managing these health issues can be done by changing diet and lifestyle. Specific ways of eating have been proven to improve risk for heart disease and stroke. However, because doctors often have limited time, nutrition education, and lack of tools for counseling patients on nutrition, they can often only provide minimal support to help patients make necessary lifestyle changes. Digital tools and mobile applications offer an opportunity to involve doctors and patients in delivering nutrition interventions. This approach has the potential to save time, provide education, and reduce healthcare costs. This study is being done to understand the effect of a digital heart health program added to standard of care, compared with standard of care alone on heart health. All eligible participants in this study will be randomized (determined by chance) to one of two possible interventions: 1) a digital heart health program + standard of care; 2) standard of care. Standard is care is defined as the best practice based on guidelines for the treatment of a condition. All participants will be followed for seven years and will be asked to complete online questionnaires and complete blood work at their nearest LifeLabs clinic, as well as wear a continuous glucose monitor and wrist actigraph (at 3 time points in the first year). In addition, participants randomized to the digital heart health program + standard of care will be expected to use the heart health app and join 16 online synchronous sessions over the first year.
After seven years, the intervention phase of the study will end and the study will become a cohort study. All participants at the 7-year time point will be invited to use the heart health app. As part of the cohort study, participants will be asked to continue completing the same questionnaires online and completing bloodwork at their nearest LifeLabs every four years for the duration of their participation in the cohort study.
The main questions this study aims to answer are:
We hypothesize that the digital heart health program added to standard of care will result in a clinically meaningful reduction in blood cholesterol and other risk factors for heart disease after 1-year and reduce major cardiovascular events after 7-years compared to standard of care alone.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Standard of Care | No Intervention | ||
| Digital Heart Health Program + Standard of Care | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Digital Heart Health Program | Behavioral | The digital heart health program will include the web-based app, which will deliver the intervention through interactive features (dashboard, goal setting, gamification, nudges, etc.) and will be supported by a 16-session synchronous online behaviour change program and provision of key study foods. |
| Measure | Description | Time Frame |
|---|---|---|
| Proportion achieving a ≥8% reduction in LDL-C or non-HDL-C | Proportion of participants who achieve a ≥8% reduction in LDL-C or non-HDL-C in the intervention group compared to standard of care at 1-year. (If this is not achieved, we will then assess the difference in the proportion achieving ≥8% reduction in LDL-C or non-HDL-C and ≥5mmHg reduction in systolic blood pressure. If this is not achieved, we will then assess the difference in the proportion achieving ≥8% reduction in LDL-C or non-HDL-C and ≥10% reduction in the inflammatory marker, CRP.) | from enrollment to 1-year |
| Major Cardiovascular Events | Major cardiovascular events in the intervention group compared to standard of care at 7-years. | from enrollment to 7-years |
| Measure | Description | Time Frame |
|---|---|---|
| Dietary Adherence | Proportion of participants who achieves ≥12/25-pt Diet Score, in the intervention group compared to standard of care at 1-year and 7-years. The Diet Score will be assessed using the Harvard Willett food frequency questionnaire. | from enrollment to 1-year and 7-years |
| Proportion achieving a ≥8% reduction in LDL-C or non-HDL-C |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in Anti-Hypertension Medications | Changes in anti-hypertension medications in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Anti-Hyperglycemic Medications |
Inclusion Criteria:
Be taking statin medication with or without other antihyperlipidemic therapy (stable dose for at least 3-months).
Fall under either of the 2 categories:
1) Secondary prevention participants: males and females ≥45 years of age with established atherosclerotic cardiovascular disease (ASCVD) defined as at least one of the following: i. Prior myocardial infarction (MI); ii. Acute coronary syndrome (ACS); iii. Stroke/TIA; iv. Coronary revascularization; v. Documented carotid disease (endarterectomy, carotid stenosis ≥50%); vi. Stable angina; vii. Coronary artery disease (CAD) by angiography; viii. Peripheral artery disease (PAD); ix. Abdominal aortic aneurysm (AAA)
2) High-risk primary prevention participants: males and females ≥50 years of age plus type 2 diabetes requiring treatment with medication and at least one additional risk factor: i. Males ≥55 years of age and females ≥65 years of age; ii. Cigarette smoker or stopped smoking within 3 months before Visit 1; iii. Hypertension and on antihypertensive medication for at least 6-months; iv. Chronic kidney disease (CKD); v. Retinopathy, defined as any of the following: non-proliferative retinopathy, pre-proliferative retinopathy, proliferative retinopathy, maculopathy, advanced diabetic eye disease or a history of photocoagulation
Be on a stable dose for at least 3-months of all antihyperlipidemic, antihyperglycemic, antihypertensive, and antiobesity therapies.
Have a family physician in Ontario and a valid Ontario Health Card.
Have regular access to an online portal
Be proficient in English.
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Laura Chiavaroli, PhD | Contact | 416-946-0579 | laura.chiavaroli@utoronto.ca | |
| John L Sievenpiper, MD, PhD | Contact | (416)867-7460 | john.sievenpiper@utoronto.ca |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| C. David Naylor Building | Recruiting | Toronto | Ontario | M5S1A8 | Canada |
All outcomes listed will be shared in an anonymous/de-identified format.
IPD and supporting information will be available after the anticipated study completion date from 2035 and will remain for 30 years.
IPD data will be accessible though the University of Toronto Dataverse (https://borealisdata.ca/dataverse/toronto). The metadata record of our dataset will be public, however access to the data will be restricted. Users will need to request access using the contact information provided in order to view and download our restricted files.
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The statistician will be blinded to the nature of the treatment when analyzing data (i.e., will not know the treatment assignment).
|
Proportion of participants who achieve a ≥8% reduction in LDL-C or non-HDL-C in the intervention group compared to standard of care at 7-years. |
| from enrollment to 7-years |
| Proportion achieving established lipid targets for LDL-C or non-HDL-C | Proportion of participants who achieve Canadian Cardiovascular Society targets for LDL-C (<2.0mmol/L for primary <1.8mmol/L for secondary prevention) or non-HDL-C (<2.6mmol/L for primary and <2.4mmol/L for secondary prevention) in the intervention group compared to standard of care at 1-year and 7-years. | from enrollment to 1-year and 7-years |
| Blood Lipids | Changes in LDL-C, non-HDL-C, HDL-C, triglycerides and apoB levels in the intervention group compared to standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Lipid-Lowering Medications | Changes in lipid-lowering medications in the intervention group compared to standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Glycemia | Changes in HbA1c in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Glycemia | Changes in fasting blood glucose levels in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Insulin Resistance | Changes in HOMA-IR in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Insulin | Changes in fasting blood insulin levels in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Measures of Adiposity | Changes in body weight in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Measures of Adiposity | Changes in body mass index in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Measures of Adiposity | Changes in waist circumference in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Systolic Blood Pressure | Changes in systolic blood pressure in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Diastolic Blood Pressure | Changes in diastolic blood pressure in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Changes in Inflammation | Changes in c-reactive protein (CRP) levels in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Cost-Effectiveness - quality-adjusted life years (QALYs) | Changes in quality-adjusted life years (QALYs) assessed using the EQ5D-5L in the intervention group compared to standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Cost-Effectiveness - medical resource utilization | Changes in medical resources utilization (Canadian dollars) in the intervention compared to standard of care at 1-year and 7-years. Medical resource utilization encompassing primary care, hospital care, specialist care, and medications for individuals covered by public drug insurance will be obtained from Ontario health administrative databases housed at ICES (formerly the Institute for Clinical Evaluative Sciences). | from enrollment to 1-year and 7-years |
| Cost-Effectiveness - out-of-pocket food and medical costs | Changes in out-of-pocket food and medical costs in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Cost-utility | Costs / point change in QALY in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
Changes in anti-hyperglycemic medications in the intervention group compared to the standard of care at 1-year and 7-years
| from enrollment to 1-year and 7-years |
| Changes in Glycaemia | Changes in ambulatory glucose measured via a continuous glucose monitor in the intervention group compared to the standard of care at 1-year | from enrollment to 1-year |
| Changes in Sleep | Changes in sleep using actigraphy in the intervention group compared to the standard of care at 1-year | from enrollment to 1-year |
| Changes in Sleep | Changes in sleep using questionnaires in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Safety - Self-Reported Adverse Events | Adverse events participants experience in the intervention group compared to the standard of care at 1-year and 7-years | from enrollment to 1-year and 7-years |
| Incidence of Type 2 Diabetes | Incidence of type 2 diabetes in the intervention group compared to the standard of care at 7-years | from enrollment to 7-years |
| Type 2 Diabetes Remission | Type 2 diabetes remission in the intervention group compared to the standard of care at 7-years | from enrollment to 7-years |
| Incidence of Metabolic Syndrome | Incidence of metabolic syndrome in the intervention group compared to the standard of care at 7-years | from enrollment to 7-years |
| Metabolic Syndrome Remission | Metabolic syndrome remission in the intervention group compared to the standard of care at 7-years | from enrollment to 7-years |
| Incidence of Hypertension | Incidence of hypertension in the intervention group compared to the standard of care at 7-years | from enrollment to 7-years |
| Incidence of Cancer | Incidence of cancer in the intervention group compared to the standard of care at 7-years | from enrollment to 7-years |
| Incidence of Dementia | Incidence of dementia in the intervention group compared to the standard of care at 7-years | from enrollment to 7-years |
| ID | Term |
|---|---|
| D002318 | Cardiovascular Diseases |
| D050171 | Dyslipidemias |
| ID | Term |
|---|---|
| D052439 | Lipid Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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