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Clinical Trial Details — Status: Suspended

Administrative data

NCT number NCT03534817
Other study ID # USaskatchewan-EVADE
Secondary ID
Status Suspended
Phase N/A
First received
Last updated
Start date January 8, 2018
Est. completion date December 31, 2022

Study information

Verified date November 2021
Source University of Saskatchewan
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

BACKGROUND: Cardiac rehabilitation (CR) is an outpatient chronic disease management program delivering secondary prevention, which is proven to reduce morbidity and mortality. The Canadian Cardiovascular Society Access to Care working group recommends patients access CR "preferably" within 2-7 days following percutaneous intervention for myocardial infarction (MI), but that 30-60 days is "acceptable". Despite these benchmarks, in practice patients access CR up to 90 days post-treatment in Canada. This is disconcerting given the detrimental impacts of delayed access to CR. These include ventricular remodeling (i.e., ventricular enlargement and reduced pump function), lower CR use, less post-CR exercise, among others. Accordingly, EVADE will be the first randomized controlled trial (RCT) to test the effects of early access CR (1-week post-discharge to first CR visit) compared to standard access CR (7-weeks post-discharge to first CR visit) in ameliorating these concerns. AIMS & HYPOTHESIS: The primary aim is to compare ventricular remodeling as defined by the change in end-systolic volume at 1-year in participants randomized to early versus standard access CR. The secondary aims are: (1) to compare post-CR exercise adherence by accelerometry, exercise capacity by 6-minute walk test distance, and health-related quality of life (HRQL) at 1-year in participants randomized to early versus standard access CR; (2) to compare CR program session attendance in participants randomized to early versus standard access CR; and (3) to assess biomarkers of ventricular remodeling in participants randomized to early versus standard access CR. The final aims are to explore more immediate health benefits associated with early versus standard access CR. Accordingly, at 6 months following hospital discharge the investigators will measure end-systolic volume, exercise adherence, exercise capacity, biomarkers of ventricular remodeling, and HRQL. The investigators will also explore hospitalization for any cause of death at 1 year in order to inform future research. The overall hypothesis is that early access CR will be associated with less ventricular remodeling, increased CR attendance and post-CR exercise adherence, increased exercise capacity, and greater HRQL. DESIGN: EVADE will be a two-centre, 2 parallel-arm, single-blinded RCT. Participants will be recruited through coronary care units following treatment for MI from the Royal University Hospital in Saskatoon, Saskatchewan and the University of Alberta Hospital in Edmonton. The University of Alberta Research Electronic Data Capture (REDCap) online database will randomize (1:1) participants (allocation concealed). A total of 60 participants will be enrolled: 30 participants will each be allocated to early access and standard access CR. IMPACT: In the first prospective multicentre trial of its kind, EVADE will test an innovative post-MI rehabilitation strategy that has the potential to demonstrate the superior benefits of early access CR for attenuating ventricular remodeling, and increasing CR attendance, post-CR exercise adherence, exercise capacity, and HRQL. The results from EVADE would encourage the Canadian CR community to consider early access CR to further enhance readily available and existing CR programs. The knowledge gained from EVADE will inform clinical decision-making practices, influence future CR guidelines and policy, and will contribute to the ongoing goal of improving efficiency and effectiveness of the Canadian health care system.


Recruitment information / eligibility

Status Suspended
Enrollment 60
Est. completion date December 31, 2022
Est. primary completion date December 31, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - have a cardiologist-diagnosed non ST-segment elevation MI (NSTEMI) or ST-segment elevation MI (STEMI) identified as low risk based on the Global Registry for Acute Coronary Events (GRACE) risk score; - have angiographic evidence of revascularization of the infarct-related artery that is defined as =80% patency; - have an ejection fraction =35% (to exclude patients needing a cardioverter defibrillator) and <50% (consistent with impaired heart pump function); - reside within 100 km (1 hour travel time) of Saskatoon/Edmonton city limits; - have been approved to attend CR by their attending physician. Exclusion Criteria: - have been hospitalized for a previous MI - have a condition that precludes walk testing; - have a contra-indication for cardiac MRI (i.e., pacemaker, pregnancy); - index hospitalization >10 days; - undergo coronary artery bypass grafting; - does not undergo coronary angiography.

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Early Access CR
Participants in the Early Access CR group will begin CR within 1-week post-hospital discharge following their MI, as opposed to Standard Access CR group which begins 7-weeks post-hospital discharge, and the Canadian average (10-14 weeks post-hospital discharge). No further intervention or differentiation between groups is applied; the actual CR program is standardized between groups, and follows the guidelines regularly practiced by the institution.

Locations

Country Name City State
Canada University of Alberta Edmonton Alberta
Canada University of Saskatchewan Saskatoon Saskatchewan

Sponsors (5)

Lead Sponsor Collaborator
University of Saskatchewan Heart and Stroke Foundation of Canada, Royal University Hospital Foundation, Saskatchewan Health Research Foundation, University of Alberta

Country where clinical trial is conducted

Canada, 

Outcome

Type Measure Description Time frame Safety issue
Other Infarction Type The type of infarction (STEMI vs. NSTEMI) will be used to stratify patients between the two treatment arms. Before hospital discharge
Other Medications Medications will be recorded for participant characteristic data. Before hospital discharge and 12 months post-MI
Other Medical History Medical history will be recorded for participant characteristic data. Before hospital discharge and 12-months post-MI
Other Height in meters Height will be gathered as participant characteristic data in a repeated measures approach. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Other Weight in kilograms Weight will be gathered as participant characteristic data in a repeated measures approach. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Primary Change in ventricular remodeling from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). End-diastolic volume (in milliliters) will be the primary marker of ventricular remodeling, and will be measured using clinical-grade cardiac magnetic resonance imaging (MRI). A repeated measures approach will be taken for the primary outcome: before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI.
Secondary Change in end-systolic volume (in milliliters) from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). End-systolic volume will indicate change in ventricular systolic function, which in turn indicates functional ventricular remodeling. End-systolic volume will be measured using clinical-grade cardiac magnetic resonance imaging (MRI). Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in stroke volume (in milliliters) from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). Stroke volume will indicate change in ventricular function, which in turn indicates functional ventricular remodeling. Stroke volume will be measured using clinical-grade cardiac magnetic resonance imaging (MRI). Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in ejection fraction (percentage) from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). Ejection fraction will indicate change in ventricular function, which in turn indicates functional ventricular remodeling. Ejection fraction will be measured using clinical-grade cardiac magnetic resonance imaging (MRI). Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in MI-related cardiac damage from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). MI-related cardiac damage will be measured using clinical-grade cardiac magnetic resonance imaging (MRI). Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in metalloproteinase-9 (MMP-9) from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). MMP-9 levels (nanogram/milliliter) will be analysed from blood samples taken by a registered phlebotomist. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in high-sensitivity C-reactive protein (hsCRP) from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). hsCRP levels (milligram/liter) will be analysed from blood samples taken by a registered phlebotomist. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in brain-type natriuretic peptide (BNP) from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). BNP levels (picograms/milliliter) will be analysed from blood samples taken by a registered phlebotomist. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in soluble receptor for advanced glycation end-products (sRAGE) from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). sRAGE levels (picograms/milliliter) will be analysed from blood samples taken by a registered phlebotomist. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in exercise capacity from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). Participants will complete a 6-minute walk test; participants will walk for 6 minutes and will be encouraged to walk as fast as possible without running. The distance covered will be their score. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI
Secondary Change in perceived health-related quality of life from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). The Short Form Health Survey (SF-36) evaluates and scores a participant's perceived quality of life with a numerical score on a scale. The overall score (range 0-100, mean) is an average of the subscales, which include the physical function score (range 0-100, mean of scores), quality of life limitations due to physical health (range 0-100, mean of scores), quality of life limitations due to emotional problems (range 0-100, mean of scores), energy levels score (range 0-100, mean of scores), emotional well-being (range 0-100, mean of scores), social functioning (range 0-100, mean of scores), pain (range 0-100, mean of scores), and general health (range 0-100, mean of scores). For the overall scale and the subscales, a higher value represents higher perceived health-related quality of life and a better outcome. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI.
Secondary Change in heart-related anxiety from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). The Heart-Related Anxiety questionnaire evaluates and scores a participant's perceived anxiety related to their heart condition with a numerical score on a scale. The scale has 18-items scoring 0-4, and the measure's total score is the sum of scores (range 0-72) with a lower score representing less anxiety and a better outcome. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI.
Secondary Change in hospital-related anxiety and depression from in-hospital following MI to 6-months (immediate change) and 12-months post-MI (long-term change). The Hospital Anxiety and Depression Scale (HADS) evaluates and scores a participant's perceived anxiety and depression following hospitalization with a numerical score on a scale. The questionnaire has 14-items total, 7 anxiety and 7 depression related questions, each scoring 0-3. The questionnaire has two subscales; anxiety (range 0-21) and depression (0-21). The item scores are summed to give the subscale score, with a lower value representing less anxiety or less depression and better outcomes. Before hospital discharge following MI; at 6 months post-MI; at 12 months post-MI.
Secondary Exercise history The Godin Leisure Time Exercise Questionnaire (modified) scores a participant's recreational physical activity levels outside of employment within the past 4 weeks. This questionnaire will capture and account for physical activity performed prior to commencing CR. This questionnaire is not a scale as it does not have a maximum value, thus the range is not provided. It provides a score based by summing the number of bouts of light, moderate, and heavy physical activity, increasing the relative contribution of exercise intensity by adding a multiplier to the number of exercise bouts depending upon the intensity (i.e., multiply by 9 for heavy, by 5 for moderate, and by 3 for light activity). E.g., With 3 heavy exercise sessions, 6 moderate sessions, and 14 light sessions, the total leisure activity score = (9 × 3) + (5 × 6) + (3 × 14) = 27 + 30 + 42 = 99. A higher score represents a greater physical activity volume and a better outcome. On the first visit to CR.
Secondary Change in post-CR exercise adherence (exercise duration in minutes) from the end of the 3 month CR program, to 6-months (immediate change), 9-months (immediate change), and 12-months post-MI (long-term change). Tri-axial accelerometers will be worn for 7 consecutive days, 24 hours a day. The average daily minutes of moderate-to-vigorous physical activity will be recorded and calculated. Before the end of 3 month CR program (within the last two weeks of their program); at 6 months post-MI; at 9-months post-MI; at 12 months post-MI.
Secondary Change in post-CR exercise adherence (daily steps) from the end of the 3 month CR program, to 6-months (immediate change), 9-months (immediate change), and 12-months post-MI (long-term change). Tri-axial accelerometers will be worn for 7 consecutive days, 24 hours a day. The average daily minutes of moderate-to-vigorous physical activity will be recorded and calculated. Before the end of 3 month CR program (within the last two weeks of their program); at 6 months post-MI; at 9-months post-MI; at 12 months post-MI.
Secondary CR Attendance Participants attendance will be recorded as number of session per week. At the end of 3 month CR program.
Secondary CR Adherence Participants will keep a log of their CR exercise type, duration, and intensity which will be given to investigators at the end of the CR program. At the end of 3 month CR program.
Secondary Hospitalization During the final data collection visit, the participant will report all unanticipated hospital and emergency department visits during the last year since their MI. Study investigators will also do a search in the health region of hospitalization and emergency visits. 12-months post-MI.
Secondary Death If the participant has deceased prior to the end of the trial (i.e., 12-months post MI), this will be recorded. 12-months post-MI.
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