Trial Search

Current Search Criteria:

Intervention: Filtered air

Found 86 matching trials

Device to Reduce Surgery Site Contamination

The objective of this study is to determine whether the Air Barrier System ...

Status

Completed

Location

Texas Orthopedic Hospital

Start Date

2009-05

Trial ID

NCT00972153

Treatments Being Tested

Air Barrier System Device Sham Air Barrier System device

Mechanisms of Ozone-Induced Alterations in Efferocytosis and Phagocytosis

PHASE1

The purpose of this research study to understand how environmental and gene...

Status

Completed

Location

Duke University Medical Center

Start Date

2019-03-19

Trial ID

NCT03646877

Treatments Being Tested

Ozone Filtered Air

Investigating Changes in Responses to Controlled Effective Doses of Ozone at Different Exercise Intensities

The project will look to investigate whether exercise during ozone exposure...

Status

Withdrawn

Location

Environmental Physiology Laboratory

Start Date

2024-09

Trial ID

NCT06513754

Treatments Being Tested

Ozone Heavy Intensity Moderate Intensity Filtered Air

Wildfire Related Air Pollution Exposure and Cognitive Function Pilot Study

This study will examine how breathing wildfire-related air pollution (WRAP)...

Status

Completed

Location

Rutgers-EOHSI

Start Date

2025-09-18

Trial ID

NCT07151235

Treatments Being Tested

Simulated wildfire smoke exposure Clean Air exposure

Cardiopulmonary Responses to Exposure to Ozone and Diesel Exhaust

The US EPA Clean Air Multiyear research program is moving toward a multi-po...

Status

Completed

Location

US EPA Human Studies Facility

Start Date

2010-08

Trial ID

NCT01874834

Treatments Being Tested

ozone

Diesel Exhaust and Vascular Function

Double-blind, sham- and placebo-controlled randomized study of effects of f...

Status

Unknown

Location

University of Washington Medical Center

Start Date

2012-01

Trial ID

NCT01508637

Treatments Being Tested

Diesel Exhaust Filtered Air Terazosin placebo

Controlled Exposure to Diesel Exhaust in Subjects With Allergic Rhinitis

Proximity to traffic, particularly to diesel-powered heavy-duty vehicles, h...

Status

Completed

Location

Department of Public Health and Clinical Medicine, Division of medicine, Pulmonary medicine

Start Date

2001-03

Trial ID

NCT01617330

Treatments Being Tested

Bronchoscopy

Controlled Exposures to Air Pollution in Patients With Coronary Heart Disease

EARLY_PHASE1

Air pollution is a major cause of cardiovascular morbidity and mortality. T...

Status

Completed

Location

Umeå University

Start Date

2006-04

Trial ID

NCT00437138

Treatments Being Tested

Exposure to dilute diesel exhaust (300µg/m3) or filtered air

Efficacy of Respiratory Protection Against the Effects of Wood Smoke Exposure in Young Healthy Adults

Purpose: This study is designed to test whether the gaseous fraction of woo...

Status

Suspended

Location

U.S. Environmental Protection Agency Human Studies Facility

Start Date

2024-06-01

Trial ID

NCT06066749

Treatments Being Tested

Filtration of all PM and VOC's Filtration of VOC's

The Effects of Diesel Exhaust Inhalation on Vascular Function - the Role of Endothelin

The purpose of this study is to identify the role of endothelin 1 (a natura...

Status

Completed

Location

Umeå University

Start Date

2008-03

Trial ID

NCT00745693

Treatments Being Tested

Endothelin-1 BQ-123 and BQ-788

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