Clinical trials: Air Pollution
Healthy Participants
Wildfire Related Air Pollution Exposure and Cognitive Function Pilot Study
This study will examine how breathing wildfire-related air pollution (WRAP) for one hour affects healthy adults. The main question the study will answer if the effect of WRAP exposure on p-tau, a blood marker of cognitive…
- Trial name
- WRAP (NCT07151235)
- Testing
- Simulated wildfire smoke exposure, Clean Air exposure
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Asthma, Asthma, Exercise-Induced
Adaptation to Ozone in Individuals With Asthma/Exercise-induced Bronchoconstriction
Researchers found that impairments in the cardiopulmonary system caused by acute exposure to ozone were outweighed by repeated exposures to ozone.
- Conditions
- Asthma, Asthma, Exercise-Induced, Exercise Induced Asthma, Exercise Induced Bronchospasm
- Trial name
- NCT05105529
- Testing
- Exercise, Ozone, Filtere Air
- Where
- 2 sites in Canada
- Volunteers
- 40 people
- Sponsor
- University of British Columbia
Cardiovascular Diseases
Effect of Commute Traffic on Vascular Function
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.
- Trial name
- NCT05454930
- Testing
- Filtered Air
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Washington
Healthy
Ozone Cardiovascular Effects in Genetically Susceptible People
Increases in air pollution are associated with increases in deaths from cardiovascular disease, but the investigators know little about how ozone air pollution affects the cardiovascular system.
- Trial name
- OZCARD (NCT01192477)
- Testing
- Ozone
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Air Pollution
Air Pollution Study: The Effect of Ozone on the Lung
The purpose of the study is to better understand the mechanisms of lung injury from ozone exposure. Subjects will participate in two exposure sessions: filtered air and 0.2 ppm ozone.
- Trial name
- NCT02673775
- Testing
- Clean Air, Ozone
- Where
- United States
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Lung Diseases, Obstructive
Effect of Atmospheric Pollution on Obstructive Lung Diseases
Several studies have demonstrated the association between atmospheric pollution and chronic respiratory diseases. The magnitude of this association and its dependence of local factors are still unknown in Argentina, particularly…
- Trial name
- NCT03059459
- Volunteers
- 117 people
- Sponsor
- National Council of Scientific and Technical Research, Argentina
Cardiopulmonary Function, Environmental Exposures
Effects of LPG and Ventilation Interventions on Reducing HAP and Improving Cardiopulmonary Health
The goal of this clinical trial is to evaluate the independent and synergistic effects of liquefied petroleum gas (LPG) substitution and improved ventilation on household air pollution (HAP) reduction and cardiopulmonary health.
- Trial name
- NCT07005193
- Testing
- Cooking ventilation facilities, Using liquefied gas for cooking, Using solid fuels for cooking
- Where
- 3 sites in China
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Huazhong University of Science and Technology
Spirometry
The INTERvening for LUNG Health Trial
This research study is being done to find out whether a community health volunteer-delivered, multi-component program can improve lung health for people at risk of chronic respiratory diseases (such as asthma or COPD) in…
- Trial name
- INTERLUNG (NCT07540000)
- Testing
- Community health worker-delivered multi-component respiratory health intervention
- Where
- 2 sites in United States, Nepal
- Volunteers
- 800 people
- Sponsor
- Johns Hopkins University
Heart Rate, Heart Rate Variability
Air Pollution, Epigenetics and Cardiovascular Health: A Human Intervention Trial
In this study, the pills formulated are being used to try to ameliorate the effect of air pollution on epigenetic changes, specifically DNA methylation, potentially linked with particulate matter air pollution inhalation and…
- Conditions
- Heart Rate, Heart Rate Variability, Inflammation
- Trial name
- EPI-Air (NCT01864824)
- Testing
- methyl donor
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Harvard School of Public Health (HSPH)
Asthma, Chronic Obstructive Pulmonary Disease
Usability and Acceptability Study of the P-STEP Mobile Application
Assess the usability and acceptance of the P-STEP app, through allowing participants with specific chronic conditions to pilot the app for 12-weeks.
- Conditions
- Asthma, Chronic Obstructive Pulmonary Disease, Interstitial Lung Disease, Coronary Heart Disease
- Trial name
- NCT05830318
- Testing
- P-STEP Mobile Application
- Where
- United Kingdom
- Volunteers
- 178 people
- Sponsor
- University of Leicester
Attention Impaired, Risk-Taking
Effect of Air Pollution on the Cognitive Function of Adolescents
Previous observational studies have reported an association between higher air pollution exposure and lower attention in children.
- Conditions
- Attention Impaired, Risk-Taking, Risk Behavior, Social Preferences
- Trial name
- ATENC!Ó (NCT03762239)
- Testing
- Purifying the air with a Pure Airbox device (Zonair 3D)
- Where
- Spain
- Volunteers
- 2,123 people, healthy volunteers welcome
- Sponsor
- Barcelona Institute for Global Health
Fetal Growth Restriction
A Randomized Air Filter Intervention Study of Air Pollution and Fetal Growth in a Highly Polluted Community
The purpose of this study is to use an air filter intervention to evaluate the relationship between particulate matter air pollution exposure during pregnancy and fetal growth.
- Trial name
- NCT01741051
- Testing
- HEPA Filter
- Where
- Mongolia
- Volunteers
- 540 people, healthy volunteers welcome
- Sponsor
- Simon Fraser University
Exposure to Polluted Air
Neurological Symptoms and Findings in Individuals Exposed to Indoor Air Pollutants
To evaluate neurological findings with TSPO-PET and MRI in patients who have been exposed to indoor air pollutants and have potentially neurological symptoms.
- Trial name
- NCT05111678
- Where
- Finland
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
Asthma
AIRWEIGHS: Investigating Obesity as a Susceptibility Factor for Air Pollution in Childhood Asthma
Background: Asthma and obesity are public health crises that have concurrently risen over the past decades, affecting millions of children in the United States and disproportionately affecting low-income minority children in…
- Trial name
- NCT02763917
- Testing
- Active Air Purifier
- Where
- United States
- Volunteers
- 198 people
- Sponsor
- Johns Hopkins University
Air Pollution, Risk Reduction Behaviors
Measuring Knowledge and Behavior After an Educational Program on Air Pollution as a Health Risk Reduction Strategy
Since air pollution contains harmful toxicants, it is important for potential exposure to indoor and outdoor air pollution to be considered as part of an overall health risk reduction strategy.
- Trial name
- NCT04563052
- Testing
- Educational Program on Air Pollution as a Health Risk Reduction Strategy
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Villanova University
Air Pollution
Health Effects of Repeated Exposure to Low Levels of Concentrated Ambient Particles in Healthy Young Volunteers
Purpose: To determine whether 3-day consecutive exposures to levels of fine particulate matter (PM2.5) that are close to the current 24-hr national standard will cause changes in inflammatory and cardiopulmonary endpoints in…
- Trial name
- NCT05323240
- Testing
- PM exposure, Filtered air exposure
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- U.S. EPA Human Studies Facility
Lung Cancer
AIRCARE (Air Pollution and Cancer Research Ecosystem): Center for Advanced Research on Environmental Health and Lung Cancer Risk
In India, lung cancer is the 2nd most common in males and 4th overall in cancer incidence with 81,784 new cases and 75,031 deaths with a 5-year prevalence of 1,13,990 as per GLOBOCAN 2022.
- Trial name
- AIRCARE (NCT07553598)
- Where
- India
- Volunteers
- 3,230 people, healthy volunteers welcome
- Sponsor
- All India Institute of Medical Sciences
Cardiovascular Function, Genotoxicity
Health Effects of Occupational Exposure to Combustion Particles - a Study on Volunteers Performing as Train Conductors
Ambient air pollution is a complex mixture of gaseous pollutants and particulate matter (PM). PM has a recognized important role in human health.
- Trial name
- BioTrack (NCT03104387)
- Testing
- Electric train, Diesel train
- Where
- Denmark
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Air Pollution, Indoor
The Clean Air Study: HEPA Purifiers to Improve Indoor Air Quality and Health in Rural Alaska Homes
Alaska Native children experience a high burden of respiratory disease, especially those in the Yukon-Kuskokwim (YK) Delta. Studies have shown that things like wood stove use, poor ventilation, and indoor tobacco smoke exposure…
- Trial name
- NCT06534385
- Testing
- Air purifier
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Alaska Native Tribal Health Consortium
Chronic Obstructive Pulmonary Disease, Asthma
Impact of Air Pollution on Chronic Respiratory Diseases
The aim of this study is to evaluate the impact of air pollution on the occurrence and clinical course of chronic respiratory diseases, and discover new biomarkers from various devices such as CT images that can indicate the…
- Conditions
- Chronic Obstructive Pulmonary Disease, Asthma, Idiopathic Pulmonary Fibrosis
- Trial name
- NCT03813810
- Testing
- Non
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital