Completed PHASE2 INTERVENTIONAL 2-arm NCT01570062

Cardiovascular Effects of Aerosols in Residences Study (CLEAR)

Subclinical Cardiovascular Health Benefits of Interventions to Reduce Exposure to Combustion-Derived Particulate Air Pollution

Sponsor: Simon Fraser University

Conditions Endothelial Dysfunction Systemic Inflammation

Interventions HEPA Filter HEPA Filtration Placebo

Updated 5 times since 2017 Last updated: Apr 10, 2014 Started: Nov 30, 2011 Primary completion: Aug 31, 2012 Completion: Aug 31, 2012

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates Endothelial Dysfunction and Systemic Inflammation and is currently completed. Simon Fraser University leads this study, which shows 5 recorded versions since 2011 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE2
Jan 2021 — Jul 2024 [monthly]

Completed PHASE2
Jun 2018 — Jan 2021 [monthly]

Completed PHASE2
Jan 2017 — Jun 2018 [monthly]

Completed PHASE2

First recorded

Nov 2011

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Simon Fraser University

Data source: Simon Fraser University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Burnaby, Canada