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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT04617639
Other study ID # 12128
Secondary ID 287618287380
Status Enrolling by invitation
Phase N/A
First received
Last updated
Start date October 29, 2020
Est. completion date December 31, 2036

Study information

Verified date November 2022
Source Norwegian University of Science and Technology
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

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.


Recruitment information / eligibility

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.

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Physical exercise
Supervised home-based and community-based physical exercise with a dose required to increase cardiorespiratory fitness, i.e. intensity, duration and frequency that accumulates to at least 115 minutes a week of exercise, divided into at least 20 minutes a week of high/vigorous intensity physical activity (active minutes at about 85% of peak heart rate or Rated Perceived Exertion [RPE] of about 16 on Borg scale) and 95 minutes a week at moderate-intensity physical activity (active minutes at about 70% of peak heart rate or RPE of about 13 on Borg Scale), or continuous heart rate measurements amounting to at least 100 Personal Activity Intelligence (PAI) equivalents per week.
Standard care
Standard care, i.e. advice at study start to follow international guidelines of moderate to vigorous physical activity intensity without further guidance and follow-up by study personnel.
Observation group
Follow-up through mandatory national heath registries for primary endpoint, without any contact by study personnel

Locations

Country Name City State
Norway St Olavs Hospital Clinic of Cardiology Trondheim

Sponsors (27)

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

Country where clinical trial is conducted

Norway, 

Outcome

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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