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Clinical Trial Summary

The adverse effects of current ambient air pollution on cardiovascular and respiratory health have been demonstrated in an extensive series of epidemiological, observational and experimental studies. Similar cardiovascular responses seen post diesel exposure have been shown to occur following biodiesel exhaust exposure as well. In the current project the investigators aim to determine whether an acute exposure to biodiesel exhaust (rapeseed methyl ester) causes impacts on sympathetic nervous system activation in healthy volunteers.


Clinical Trial Description

Brief as well as chronic exposures to ambient air pollution have been linked with increases in cardiovascular morbidity and mortality. Evidence suggests that the strongest associations between air pollution exposure and adverse cardiovascular effects are found for combustion-derived particulate matter, especially in the fine and ultrafine ranges such as is found in diesel engine emissions as well as biodiesel exhaust (RME, rapeseed methyl ester). Despite a greater understanding of the cardiovascular effects of air pollution, the underlying mechanism through which exposure to fine and ultrafine particulate air pollution alters vascular function has yet to be determined. Microneurography is a method that records nerve impulse traffic in human peripheral nerves, allowing for the assessment of sympathetic nervous activity. The current study will employed microneurography techniques to evaluate autonomic function in association with inhaled biodiesel exhaust exposure in healthy human volunteers. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03698344
Study type Interventional
Source Umeå University
Contact Jenny A Bosson, MD; PhD
Phone +46706579436
Email jenny.bosson@gmail.com
Status Recruiting
Phase N/A
Start date October 8, 2018
Completion date January 2019

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