Investigation of Cardiac Function and Cardiovascular Risk Factors in Marathon Runners- The Munich Marathon Study

NCT ID: NCT00500773

Last Updated: 2014-05-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2007-07-31

Study Completion Date

2008-05-31

Brief Summary

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The purpose of this study is to determine the cardiovascular risk involved in the exertional exercise of marathon running. The researchers aim to investigate the beneficial effects of regular well-dosed exercise on health and compare these findings with the effects of the extreme strains of marathon running. Subclinical injuries to heart and arteries are being investigated in different groups of runners, including obese participants.

Detailed Description

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Regular exercise leads to an improvement of cardiovascular risc factors in patients with coronary heart disease, atherosclerosis and metabolic disorders. Aerobic exercise has anti-inflammatory effects. In contrast, the exertional exercise of marathon running causes an acute pro-inflammatory impulse. This may lead to myocardial injury and, in case of preexisting plaques, may result in plaque rupture and acute myocardial infarction.

The researchers aim to define the critical role of inflammatory markers and cardiovascular risk factors as a predictor of an increased risk for myocardial and endothelial dysfunction in marathon runners.

The study groups are divided into average trained runners (40 km/week), average trained obese runners and highly trained runners (\> 70km/week). Training programmes are supervised by professional coaches. Individual scientific marathon contests are organized for the assessments.

Diagnostic tools include measurements of pulse wave velocity and heart rate turbulence, echocardiography and, for the first time, MRI-scans pre- and post marathon running. Additionally, cardiovascular markers such as endothelial progenitor cells (EPCs)and adiponectin are measured. Inflammatory markers include c-reactive protein (CRP), interleukins and tumor necrosis factor.

Conditions

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Modes of Exercise and Myocardial and Endothelial Function Microcirculation Subclinical Endorgan Damage Obesity

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Men aged 30-60 years
* Obese subjects: BMI \> 27 and waist circumference \> 102cm

Exclusion Criteria

* manifested heart disease
* insulin dependent diabetes mellitus
* multiple drug therapy
* GFR \< 60 ml/min.
* claustrophobia
* metal implants
Minimum Eligible Age

30 Years

Maximum Eligible Age

60 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Ludwig-Maximilians - University of Munich

OTHER

Sponsor Role collaborator

Technical University of Munich

OTHER

Sponsor Role lead

Responsible Party

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Lehrstuzl für Praeventive und rehabilitative Sportmedizin

Principal Investigators

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Henner Hanssen, MD

Role: PRINCIPAL_INVESTIGATOR

Department of Prevention and Sportmedicine, Technical University Munich

Locations

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Department of Prevention and Sportsmedicine, Technical University of Munich

Connollystrasse 32, Munich, Bavaria, Germany

Site Status

Countries

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Germany

Related Links

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http://www.sport.med.tum.de

Institutional homepage

Other Identifiers

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1807/07

Identifier Type: -

Identifier Source: org_study_id

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