Study Stopped
Not sufficient financial - staff resources
Cognition and Exercise Training
COGNEX-2
Cerebral Oxygenation, Cardiac Output,Cognitive Function, and Exercise Training in Patients With Metabolic Syndrome, Coronary Heart Disease and Chronic Heart Failure.
1 other identifier
interventional
6
1 country
2
Brief Summary
The aim of study is to investigate the impact of two different training modalities (high intensity interval training (HIIT) versus moderate intensity continuous exercise training (MICET) on cognitive performance, cerebral oxygenation, cardiac output and physical fitness in older healthy adults, patients with metabolic syndrome, coronary heart disease and heart failure. The investigators hypothesized that HIIT modality will lead to a larger improvement in physical fitness (i.e. VO2peak), cardiovascular parameters (cardiac output and stroke volume) and cognitive performance at rest and during submaximal exercise. The primary endpoint will be the improvement in cognitive performance.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Sep 2013
Longer than P75 for not_applicable
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 11, 2013
CompletedFirst Posted
Study publicly available on registry
July 24, 2013
CompletedStudy Start
First participant enrolled
September 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
September 9, 2022
CompletedSeptember 14, 2022
September 1, 2022
5 years
July 11, 2013
September 9, 2022
Conditions
Outcome Measures
Primary Outcomes (1)
Cognitive function assessed by standard pen-paper battery test
a) Digit Span (Forward and Backward) (short-term and working memory), b) Digit Symbol Substitution Test (attention \& processing speed), c) Trail making test, part A and B (mental flexibility), d) D-KEFS Color-Word Interference Stroop Test (selective attention and inhibition) and e) Rey Auditory Verbal Learning Test (long-term verbal memory).
At baseline and after 3 months
Secondary Outcomes (1)
Maximal aerobic capacity (VO2max)
At baseline and after 3 months
Other Outcomes (3)
Maximal cardiac output and stroke volume
At baselin and after 3 months
Cerebral hemodynamics with NIRS
At baseline and after 3 months
Microvascular function at the forearm level (NIRS)
At baseline and after 3 months
Study Arms (4)
Elderly healthy subjects
EXPERIMENTALRandomization into : 1. high intensity interval training (HIIT)(n=20) or 2. moderate intensity intensity continuous exercise (n=20)
Patients with metabolic syndrome
EXPERIMENTALRandomization into : 1. high intensity interval training (HIIT)(n=20) or 2. moderate intensity intensity continuous exercise (n=20)
coronary patients
EXPERIMENTALRandomization into : 1. high intensity interval training (HIIT)(n=20) or 2. moderate intensity intensity continuous exercise (n=20)
heart failure patients
EXPERIMENTALRandomization into : 1. high intensity interval training (HIIT)(n=20) or 2. moderate intensity intensity continuous exercise (n=20)
Interventions
High-intensity interval exercise (HIIE) session This HIIE session will be based on a previous study conducted in our laboratory that compared physiological, psychological and electrocardiological tolerance of four different single bouts of HIIE in coronary patients (Guiraud et al. 2010). The selected HIIE session represented the best compromise between safety, time spent at a high level of VO2peak and psychological adherence. This HIIE session consists of a 10-min warm-up at 50% of MAP, followed by two sets of 10 min composed of repeated bouts of 15 s at 100% of MAP interspersed by 15 s of passive recovery. Four minutes of passive recovery were allowed between the two sets, as well as a 5-min cool-down after the last 15-s exercise bout. A total duration of 35 minutes will be employed for this session for coronary artery disease patients, and 22 minutes for chronic heart failure patients (Guiraut et al. 2010 b).
Moderate Intensity Continuous Exercise (MICE) session This exercise session will be based on the recommendations of the American Heart Association on exercise prescription in cardiac rehabilitation (Balady et al. 2007), suggesting that exercise intensity should lie between 50% and 80% of maximal aerobic power (MAP). We opted for an intensity of 70% of MAP. Duration will be adjusted to match total energy expenditure of the HIIE, according to the previous methodology method (Guiraud et al. 2010 b). A total duration of 28.7 minutes will be employed in healthy elderly patients, coronary artery disease patients and patients with metabolic syndrom; and 16 minutes in chronic heart failure patients.
Eligibility Criteria
You may qualify if:
- Elderly healthy subjects : with no MetS and no-documented CHD, both males and females, aged\>60 years will be included in the study, should they provide written informed consent and have a sufficient initial physical and intellectual capacities allowing an independent daily living.
- Patients with metabolic syndrome and no-documented CHD, both males and females, aged \> 18 years will be included in the study, should they provide written informed consent and have a sufficient initial physical and intellectual capacities allowing an independent daily living. MetS will be defined according to recent updated criteria: presence of at least three of five criteria, namely abdominal obesity (waist circumference cut-off depending on the recently published ethnic-based variations, triglycerides \> 1.70 mmol/l, decreased HDL-cholesterol (\< 1.0 mmol/l in men and \< 1.3 mmol/l in women), systolic blood pressure \> 130 mmHg or diastolic blood pressure \> 85 mmHg, and FPG \> 5.6 mmol/l.
- CHD patients, both males and females, aged \> 18 years will be included in the study, should they provide written informed consent and have a sufficient initial physical and intellectual capacities allowing an independent daily living. Moreover, they must have documented CHD (prior myocardial infarction, prior coronary angiography or angioplasty, or documented myocardial ischemia on myocardial scintigraphy).
- ≥18 years
- Left ventricular ejection fraction (LVEF) \<40% (measured within 6 months of their enrolment by MUGA Scan, echo or radiological ventriculography)
- NYHA functional class I-III
- Optimal therapy at stable doses including a beta-blocker and an ACE inhibitor or ARA for at least 6 weeks prior to investigation (unless documented rationale for variation).
- Able to perform an symptom limited exercise test.
- Capacity and willingness to sign the informed consent form.
You may not qualify if:
- For healthy elderly subjects:
- age under 60 years
- lack of expressed written consent
- metabolic syndrome
- coronary heart disease
- chronic systolic heart failure
- resting left ventricular ejection fraction \< 40 %
- symptomatic aortic stenosis
- chronic atrial fibrillation
- malignant exertional arrhythmias
- non-cardiopulmonary limitation to exercise (e.g: arthritis or claudication)
- severe exercise intolerance.
- For patients with metabolic syndrome:
- lack of expressed written consent
- coronary heart disease
- +27 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
Cardiovascular Prevention and Rehabilitation Centre, Montreal Heart Institute
Montreal, Quebec, H1T 1N6, Canada
Cardiovascular Prevention and Rehabilitation Centre (EPIC), Montreal Heart Institute
Montreal, Quebec, H1T1N6, Canada
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Mathieu Gayda, Ph.D
Montreal Heart Institute
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- P.hD
Study Record Dates
First Submitted
July 11, 2013
First Posted
July 24, 2013
Study Start
September 1, 2013
Primary Completion
September 1, 2018
Study Completion
September 9, 2022
Last Updated
September 14, 2022
Record last verified: 2022-09