Myocardial Infarction Clinical Trial
— NorExOfficial title:
The Norwegian Trial of Physical Exercise After Myocardial Infarction. A Nationwide Randomized Clinical Trial After Myocardial Infarction to Determine the Effects of Supervised Physical Activity on Long-term Mortality and Morbidity
Verified date | November 2022 |
Source | Norwegian University of Science and Technology |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Myocardial infarction (MI) remains the main cause of death in Europe with about 2 million deaths annually. According to WHO, 30 % of deaths caused by MI could be prevented if the populations adhere to official guidelines for physical activity. However, secondary prevention trials in MI patients have been of insufficient size or quality to provide conclusive evidence that physical activity reduces the risk of death or recurrent cardiovascular diseases. NorEx is the first study able to provide such evidence. NorEx is a registry-based prospective, three-arm, randomized multicenter secondary prevention clinical trial with blinded end-point evaluation (PROBE design). The aim of the study is to investigate whether, and to what extent, moderate to high intensity supervised physical activity will reduce the risk of recurrent cardiovascular disease and death among people who have suffered a myocardial infarction. The intervention group consists of Approximately 3185 participants who will be trained to exercise for 4 years under supervision of a personal trainer. The study design includes two control groups each consisting of approximately 3200 patients.The primary composite endpoint is time to all-cause death, nonfatal acute myocardial infarction or nonfatal stroke, whatever comes first during 4 years of follow-up. The study is powered to detect a 20 % difference in the incidence of the primary endpoint between the intervention group and the control groups. Novel health IT technology was specifically designed for NorEx, including a smart watch, a NorEx mobile application and a manager portal which allows the trainers to interact with the participants. Follow-up of the participants will be through national health registries for up to 10 years after study completion.
Status | Enrolling by invitation |
Enrollment | 9700 |
Est. completion date | December 31, 2036 |
Est. primary completion date | December 31, 2026 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 79 Years |
Eligibility | Inclusion Criteria: 1. Hospitalized in a Norwegian hospital with an acute myocardial infarction (Type I) during 2013-2022. Patients are included minimum 3 months after hospitalization when they are in a stable clinical condition. 2. Norwegian national identification number 3. Able to communicate in Norwegian or other Scandinavian language 4. Being able to be physically active according to study protocol, as determined by study personnel. 5. Signed informed consent. Exclusion criteria: 1. Persons who already participate in physical activity at a similar or higher level than what is prescribed for the intervention group, as determined by study personnel. 2. Participating or plans to participate in endurance sport competitions. 3. Expected to emigrate during the study 4. Cognitive impairment/dementia. 5. Alcohol or drug abuse, or serious psychiatric disease. 6. Known cardiac disease that may represent a contraindication for moderate or high-intensity physical activity, such as symptomatic valvular heart disease, hypertrophic cardiomyopathy, uncontrolled hypertension, in-compensated heart failure, serious arrythmia not under control after treatment, pulmonary hypertension, significant angina after revascularization and optimal drug treatment. 7. Renal insufficiency requiring dialysis. 8. Any end-stage somatic disease with short life expectancy or that is expected to interfere with the participants' ability to comply with the study protocol, such as advanced cancer, chronic lung disease with exacerbations, or other disease, as determined by study personnel. 9. Inability to comply with the study protocol due to any physical disability, somatic disease or mental problem, as determined by study personnel. 10. Residing in nursing home or other institution. 11. Participation in another trial with exercise as an intervention modality. |
Country | Name | City | State |
---|---|---|---|
Norway | St Olavs Hospital Clinic of Cardiology | Trondheim |
Lead Sponsor | Collaborator |
---|---|
Norwegian University of Science and Technology | Akershus University Hospital Trust, Diakonhjemmet Hospital AS, Finnmark Hospital Trust, Haraldsplass Hospital AS, Helgelandssykehuset Hospital Trust, Helse Bergen Hospital Trust, Helse Fonna Hospital Trust, Helse Forde Hospital Trust, Helse Midt-Norge Hospital Trust, Helse Møre og Romsdal Hospital Trust, Helse Nord-Trøndelag HF, Helse Sorlandet Hospital Trust, Helse Stavanger Hospital Trust, Lovisenberg Hospital AS, Nordlandssykehuset Hospital Trust, Oslo Universitetssykehus Hospital Trust, St. Olavs Hospital Health Authority, Sykehuset i Vestfold Hospital Trust, Sykehuset Innlandet Hospital Trust, Sykehuset Ostvold Hospital Trust, Sykehuset Telemark Hospital Trust, Universitetssykehuset i Nord-Norge Hospital Trust, University of Bergen, University of Oslo, University of Tromso, Vestre Viken Hospital Trust |
Norway,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Time to all-cause mortality, or nonfatal myocardial infarction, or nonfatal stroke, whichever comes first. | Mortality will be assessed by linkage to the Norwegian Cause of Death Register with the use of a unique 11-digit Norwegian national identification number for each patient. The Cause of Death Register is completed by law for all deaths. Nonfatal myocardial infarction and nonfatal stroke are assessed by linkage to The Norwegian Myocardial Infarction Register and the Norwegian Stroke Register, with the use of a unique 11-digit Norwegian national identification number for each patient. All Norwegian hospitals are required by law to complete these registers for hospitalized patients. | 4 years | |
Secondary | Time to all-cause mortality, or nonfatal myocardial infarction, or nonfatal stroke, whichever comes first. | Mortality will be assessed by linkage to the Norwegian Cause of Death Register with the use of a unique 11-digit Norwegian national identification number for each patient. The Cause of Death Register is completed by law for all deaths. Nonfatal myocardial infarction and nonfatal stroke are assessed by linkage to The Norwegian Myocardial Infarction Register and the Norwegian Stroke Register, with the use of a unique 11-digit Norwegian national identification number for each patient. All Norwegian hospitals are required by law to complete these registers for hospitalized patients. | 10 years | |
Secondary | Time to all-cause mortality, cardiac death, vascular death, noncardiovascular death, death from cancer. | Mortality will be assessed by linkage to the Norwegian Cause of Death Register with the use of a unique 11-digit Norwegian national identification number for each patient. The Cause of Death Register is completed by law for all deaths. | 4 years and 10 years | |
Secondary | Time to hospitalization with a diagnosis of nonfatal myocardial infarction, stroke, unstable angina pectoris, atrial fibrillation, or psychiatric disease, or a coronary revascularization procedure, or any hospitalization. | Information about hospitalizations and the discharge diagnoses will be collected by means of electronic linkage to the Norwegian Patient Registry with the use of a unique 11-digit Norwegian national identification number for each patient. The Norwegian National Patient Registry includes the codes of the International Classification of Diseases, 10th Revision (ICD-10), with respect to all the main diagnoses and up to 20 secondary diagnoses and all the procedure codes from all hospitalizations in Norway. | 4 years and 10 years | |
Secondary | Change in health related quality of life | HeartQoL questionnaire is a core ischemic heart disease specific health related quality of life questionnaire (HRQL). The questionnaire comprises 14-items with 10-item physical and 4-item emotional subscales which are scored from 0 (poor HRQL) to 3 (better HRQL) with a global score if need. | Study start, 4 years and 10 years | |
Secondary | Change in anxiety and depression | The Hospital Anxiety and Depression Scale (HADS) measure symptoms of anxiety and depression. The HADS is a 14 item scale where seven of the items relate to anxiety and seven relate to depression.The respondent rates each item on a 4-point scale from 0 (absence) to 3 (extreme presence). The total score is 42 (21 per subscale). | Study start, 4 and 10 years | |
Secondary | Physical and mental dimensions of health | RAND-12 measures physical and mental dimensions of health. The 12 items in the questionnaire correspond to eight principal physical and mental health domains. The 12 items are summarized into two scores, a "Physical Health Summary Measure (PCS-physical component score)" and a "Mental Health Summary Measure (MCS-mental component score).
. |
Study start, 4 years and 10 years | |
Secondary | Changes in insomnia | The Bergen Insomnia Scale measure sleeping pattern and insomnia. The 6 items in the questionnaire are scored from 0 (absence) to 7 (every night) and are summarized to a total score with a max value between 0 (no insomnia) to 42 (extreme insomnia). | Study start, 4 years and 10 years | |
Secondary | The number of consultations with a primary health care physician during the study | The number of consultations in primary health care will be collected by linkage to the Norwegian KUHR database with the use of a unique 11-digit Norwegian national identification number for each patient. | 4 and 10 years | |
Secondary | Use of prescription drugs | Use of prescription drugs during the study will be collected by linkage to the Norwegian Drug Prescription Database with the use of a unique 11-digit Norwegian national identification number for each patient. | 4 and 10 years | |
Secondary | Change in memory | The following 8 questions about memory will be administered by a self-administered questionnaire at start of the study and after 3.5 year and 10 years:
Do you have problems with the memory? Are these problems worse than among other people on your age? Do have problems with remembering other persons name? Do have problems with following a conversation? Do have problems with remembering what happened a few minutes ago? Do have problems with doing what you have planned to do? 7 Do have problems with remembering dates? 8. Do have problems with remembering events that took place a few days ago? The response categories for all questions are: "Never (0)", "Little or sometimes (1)", or "Often (2)". The scores for question 3 to 8 may be summarized to a total score between 0 (No memory problems) and 18 (severe memory problems). |
4 and 10 years | |
Secondary | Change in peak oxygen uptake (VO2peak) (mL/kg/min) | Peak oxygen uptake will be measured with standard equipment for indirect calorimetry in an incremental protocol until exhaustion on either a treadmill or a bicycle ergometer. Measurements will be performed each year during the study in random samples of 150 participants in the experimental physical exercise arm and 150 participants in the active comparator arm (control group I) | Study start, 1 year, 4 years | |
Secondary | Physical activity | A self-administered questionnaire with questions about frequency of weekly physical activity, intensity level, and amount of weekly physical activity will be administered at baseline and end of study (3.5 years). The questionnaire consist of the following 6 questions:
How many times do you exercise per week? (4 response categories). If you exercise 1 time or more per week, at what intensity level do you usually exercise (3 response categories). How many minutes do you usually exercise each time (4 response categories) How many hours per day do you spend in a sitting position ( number of hours) Do you participate in endurance sport competitions? (no, yes) |
Study start, 4 years, 10 years |
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