Cardiac Rehabilitation Program Effects on Atherosclerosis, Blood Vessel Health, and Inflammation in Adults with Coronary Artery Disease Aged 40 to 70
Led by Instituto Nacional de Cardiologia de Laranjeiras · Updated on 2026-03-27
50
Participants Needed
1
Research Sites
N/A
Total Duration
AI-Summary
What this Trial Is About
This research aims to evaluate the effects of a cardiovascular rehabilitation program on patients with coronary artery disease CAD aged 40 to 70 years. The study compares these patients with a reference group of healthy individuals matched by age and physical activity level. The purpose is to assess changes in artery thickness, endothelial function, inflammation, and metabolic biomarkers related to CAD. Participants include 28 CAD patients and 22 healthy controls, with evaluations conducted before and after a 12-week exercise intervention.
The intervention involves a supervised exercise program combining aerobic, resistance, and flexibility training, conducted three times per week for 12 weeks. Each session lasts 60 minutes, with aerobic exercises performed at moderate intensity on a treadmill or stationary bike, and resistance exercises targeting major muscle groups. Healthy controls do not receive any intervention and serve as a comparison group. Assessments take place at two visits the first includes carotid artery ultrasound and cardiopulmonary exercise testing, while the second assesses vascular function and collects blood samples before and after moderate aerobic exercise.
Participants attend two assessment visits at baseline and after the 12-week program, with at least 72 hours between visits. During visits, medical history, artery thickness, vascular function, and blood biomarkers related to inflammation, endothelial injury, and kynurenine pathway metabolites are measured. Exercise performance and oxygen consumption are also evaluated. The study monitors safety and adherence through standardized procedures and controlled environmental conditions. Total participation spans the 12-week intervention and follow-up assessments.
CONDITIONS
Brief Title
Cardiac Rehabilitation and Coronary Artery Disease
Research Team
J
Juliana Borges, PhD
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Diagnosed with coronary artery disease including acute coronary syndrome or obstructive CAD
Both male and female participants
Healthy adults aged 40 to 70 years without coronary artery disease as controls
Participants entering the cardiac rehabilitation program at HUPE
Matched by age and physical activity level between groups
You will not qualify if you...
Diagnosis of heart failure, pulmonary disease, Chagas disease, or tuberculosis
Regular physical exercise (3 or more days per week for 30 minutes) in the past 6 months
Malnutrition with body mass index less than 18.5 kg/m²
Current smoking
Obesity with body mass index 30 kg/m² or higher
Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 screening and enrollment visit (in-person)
Outpatient Treatment
Duration - 12 weeks
Participants in the exercise training group undergo a 12-week supervised multimodal exercise program including aerobic, resistance, and flexibility exercises, performed in 3 weekly sessions lasting 60 minutes each.
3 exercise sessions per week (in-person)
Assessment Visits
Duration - 2 visits over the study period
Participants attend two assessment visits at baseline and after the 12-week intervention to evaluate carotid intima-media thickness, cardiopulmonary exercise testing, blood biomarkers, vascular function, and maximal oxygen consumption.
2 visits (in-person) separated by at least 72 hours
How is the study designed?
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
NON_RANDOMIZED
Model
PARALLEL
Primary Purpose
SUPPORTIVE_CARE
Number of Arms
2
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Published Research Related To This Trial
Acute and chronic effects of physical exercise on atherosclerosis, kynurenine pathway, endothelial function and inflammation in patients with coronary artery disease: a clinical trial protocol.
Gabriela Andrade Paz, Marcus Vds Rangel, Caio Luan Farias...