Effect of Commute Traffic on Vascular Function

Status Completed

Clinical Trial Summary

The investigators will assess the vascular effects of riding in a car in heavily trafficked roadways, and whether filtering the car's air reduces those effects.

Clinical Trial Description

In this double-blind, crossover trial, randomized to order, recruited participants will be screened and then will accompany the study team on three typical commutes on separate days with sufficient washout (i.e., three weeks) between drives. One day this will occur with an effective filter system in the vehicle and the other two days without effective filtration; ineffective filtration is the most typical actual vehicle condition. Subjects will be unaware of the filtration conditions of the commute on that day. Each subject's experimental sessions will occur at the same time of day and will be separated by at least 21 days. The two sessions (either filtered air or traffic-derived entrained air) will be 120 minutes in duration and will encompass routes on heavily traveled roadways in the Seattle area. Before subjects begin the commute trials, they will go through the consent process and a series of screening tests. The study investigators will assess a series of measures regarding vascular function before and after each drive. ;

Study Design

Related Conditions & MeSH terms

Cardiovascular Diseases

Clinical Trial Details

NCT number	NCT05454930
Study type	Interventional
Source	University of Washington
Contact
Status	Completed
Phase	N/A
Start date	January 2015
Completion date	December 2016

View Details

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