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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05235958
Other study ID # VF_CTgov
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date May 2, 2022
Est. completion date February 28, 2023

Study information

Verified date November 2023
Source University of Basel
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Exercise is a cornerstone of health care helping to improve and maintain a good organ functionality, including vascular function, in health and disease. About twenty years ago, the introduction of high-intensity training has been a milestone in the evolution of exercise therapy by demonstrating the trainability of individuals independent of age and state of disease. Today, its practical implementation still faces barriers, such as lower physical and mental tolerance of exercise, long-term adherence and lack of individualization of training for optimal adaptations. The proposed project is the logical next step to introduce non-linear periodized exercise training (NLPE), a method widely established in elite athletes, in exercise training of sedentary individuals. NLPE alternatingly involves person-centred periodization of training cycles and regeneration with high-intensity stimuli. It induces a broader range of physiological adaptations than moderate-intensity training while keeping a high compliance and without increasing the risk of overreaching. A study of patients with chronic-obstructive-pulmonary-disease and a study with resistance training of older adults indicated promising pulmonary and muscular effects. However, the effectiveness of NLPE to maintain and improve vascular function has not yet been assessed, although this may carry a huge clinical and socioeconomic potential by contributing to the reduction of cardiovascular morbidity and mortality. VascuFit applies an 8-week training intervention to assess the effects of NLPE on the function of the vascular endothelium, measured by the non-invasive gold-standard method brachial arterial flow-mediated dilation (baFMD), in a sample of sedentary aging adults with cardiovascular risk factors. In addition, it will be the first study to measure training effects on a cluster of micro-ribonucleic acids (miRNAs) regulating key molecular pathways of endothelial (dys-)function. Thus, VascuFit aims to explore the potential of clinical and molecular biomarkers for the monitoring of individual vascular adaptability to a specific type of exercise. As a first step, this pilot-project is supposed to deliver proof-of-concept. Furthermore, it will generate important hypotheses to be addressed by exercise physiologists, medical professionals and biologists concerned with the optimization of individual training adaptations as well as utility and implementation of targeted training approaches in the health care of aging adults. VascuFit aims to demonstrate the potential of NLPE as a training regimen to improve vascular function in sedentary individuals with elevated cardiovascular risk. This project may be the initial spark to raise exercise training to the next level, which is clearly necessary to sustainably strengthen the vascular capacities of "young" aging individuals.


Description:

A detailed description of the study can be found at: DOI: 10.1186/s12872-022-02905-1


Recruitment information / eligibility

Status Completed
Enrollment 43
Est. completion date February 28, 2023
Est. primary completion date December 21, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 40 Years to 60 Years
Eligibility Inclusion Criteria: 1. Informed consent, documented by signature 2. sedentary lifestyle, as not performing exercise on a regular basis and reaching less than the recommended 7.5 MET hours of at least moderate intensity activity per week 3. being mentally and physically able to attend and keep up training during the whole intervention period. Exclusion Criteria: 1. current or chronic condition limiting exhaustive exercise (e.g. heart failure, infection, pulmonary disease) 2. any condition with elevated risk of a serious adverse event during exhaustive exercise (e.g. cardiomyopathy, acute myocardial infarction, stroke, uncontrolled hypertensive resting blood pressure =160/100mmHg) 3. chronic condition with severe affection of the vascular system (e.g. severe atherosclerosis, severe chronic kidney disease, autoimmune vasculitis, insulin dependent diabetes mellitus) 4. inability to follow advice during measurements and training sessions (e.g. language barriers, psychological disorders, dementia) 5. previous enrollment into the current study or participation in another study in the last four weeks.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
non-linear periodized exercise (NLPE)
Aerobic training derived from professional sports, that is characterized by variable periodization of training frequency, volume and intensity according to individual factors, such as physical and mental readiness, training progress and performance level
Exercise counselling
Standard recommendations for exercise and physical activity, that are individualized according to a medical health and fitness profile

Locations

Country Name City State
Switzerland Departement of Sport, Exercise and Health Basel

Sponsors (3)

Lead Sponsor Collaborator
Karsten Königstein QIAGEN Gaithersburg, Inc, University of Basel

Country where clinical trial is conducted

Switzerland, 

Outcome

Type Measure Description Time frame Safety issue
Other Static retinal vessel analysis (SVA) Non-invasive ultrasound-based measurement of endothelial responsiveness of the retinal arterioles and venules. Changes of SVA after the 8-week study period in comparison to the pre-intervention baseline values will be assessed. 8 weeks
Primary Brachial-arterial flow-mediated vasodilation (baFMD) Non-invasive ultrasound-based measurement of endothelial responsiveness of the brachial artery to an hyperemic stimulus. Changes of baFMD after the 8-week study period in comparison to the pre-intervention baseline values will be assessed. 8 weeks
Secondary endomiR Quantification of several micro-RNAs involved in key-regulatory pathways of the endothelial function of the macrovascular circulation. Changes of this micro-RNA cluster (endomiR) after the 8-week study period in comparison to the pre-intervention baseline values will be assessed. 8 weeks
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