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Combustion Derived Air Pollution and Vascular Function

Endothelial Dysfunction Clinical Trial

Official title:
The Effects of Combustion-Derived Air Pollution on Vascular Vasomotor and Fibrinolytic Function in Healthy Volunteers (Diesel Exposure)

Clinical Trial Summary

Air pollution is a major cause of cardiovascular morbidity and mortality. The components of air pollution responsible and the mechanisms through which they might mediate these harmful effects remain only partially understood. The link between cardiovascular disease and air pollution is strongest for fine particulate matter. Fine particulate matter (PM) is produced from the combustion of fossil fuels with the most significant threat thought to be posed by small particles less than 10µm (PM 10) which can be inhaled into the lungs. We propose to identify the precise component of diesel exhaust that mediates the adverse cardiovascular effects using a carbon particle generator, and a particle concentrator. The aim of this study proposal is to assess the vascular effects of different types and components of air pollution in healthy subjects. We intend to test the hypotheses that:

1. Combustion derived nanoparticulate causes an acute impairment of endothelial vasomotor and fibrinolytic function in healthy volunteers.

2. Exposure to combustion derived air pollution is associated with increased thrombus formation.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00775099
Study type Interventional
Source University of Edinburgh
Contact
Status Completed
Phase N/A
Start date September 2005
Completion date March 2006
View Details
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