Clinical trials: Pollution Exposure
Nasal Obstruction, Exposure to Pollution
Rhinopharyngeal Retrograde Clearance is Effective to Adequate Upper Airways Function in Adults
Professionals working in polluted areas may present increased clinical airways symptoms and dysfunction. Rhinopharyngeal retrograde clearance (RRC) has been used to improve mucus clearance in infants with bronchitis and…
- Trial name
- NCT01976039
- Testing
- rhinopharyngeal retrograde clearance (RRC)
- Where
- 2 sites in Brazil
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
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)
Adverse Pregnancy Outcomes
The Mechanism of Adverse Pregnancy Outcomes Influenced by Maternal Air Pollution Exposure
This research evaluates the effects of maternal exposure to air pollution during pregnancy on adverse pregnancy outcomes, the general demographic information, the level of maternal exposure to air pollution, pregnancy-related…
- Trial name
- NCT04215406
- Testing
- The level of air pollution
- Where
- China
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Endothelial Dysfunction
Combustion Derived Air Pollution and Vascular Function
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.
- Trial name
- NCT00775099
- Testing
- Forearm Vascular Study, Badimon Chamber
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Lung Function, Heart Rate Variability
Effects of Exposure to Biomass-burning Air Pollution on Lung Function, Heart Rate Variability and Inflammatory Markers in Sugarcane Workers
Introduction: Non-mechanized sugar cane harvesting preceded by burning, an important and prevalent professional activity of agribusiness segment of the Brazilian economy, exposes workers and people of neighboring towns to high…
- Conditions
- Lung Function, Heart Rate Variability, Oxidative Stress, Systemic Inflammatory Response
- Trial name
- NCT01371188
- Where
- Brazil
- Volunteers
- 222 people, healthy volunteers welcome
- Sponsor
- InCor Heart Institute
Sleep, Pollution; Exposure
Investigating the Effect of Daily CARDIO® Capsules Supplementation on Improved Sleep in Healthy, Urban-Dwelling Adults
This study aims to explore the impact of supplementation with CARDIO® whole salmon oil capsules on healthy adult participants with sleep disruption related to particulate matter pollution.
- Conditions
- Sleep, Pollution; Exposure, Cough
- Trial name
- NCT06768970
- Testing
- CARDIO® salmon oil
- Where
- United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Hofseth Biocare ASA
Physical Inactivity, Pollution; Exposure
Air Pollution and Physical Activity Study
This is a small pilot intervention tria lfor exercise and air pollution.
- Trial name
- PARC (NCT06386055)
- Testing
- Active exercise
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Endothelial Dysfunction
The Cardiovascular Effects of Nitrogen Dioxide Exposure
Exposure to air pollution has been linked to increased cardiorespiratory morbidity and mortality. The exact component of air pollution that mediates this effect is unknown, but the link is strongest for fine combustion derived…
- Trial name
- NCT00774514
- Testing
- Forearm Vascular Study
- Where
- Sweden
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Pollution; Exposure, Hypertension
Solar Lighting to Reduce Indoor Air Pollution in Rural Uganda
This study evaluates the impact of a solar lighting system on kerosene lamp use, levels of indoor air pollution, and health in women living in rural Uganda.
- Conditions
- Pollution; Exposure, Hypertension, Pollution Related Respiratory Disorder
- Trial name
- NCT03351504
- Testing
- Solar lighting system
- Where
- 2 sites in United States, Uganda
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
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
Lung Disease, Cancer
Biomarkers of Benzene Exposure in Inner City Residents
This study compares air pollution exposures of residents in a South Baltimore community next to major industry with those in a comparison community with much less industry nearby.
- Trial name
- NCT00014963
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Air Pollution
Air Pollution: Strategies for Personalized Intervention to Reduce Exposure
Fine particulate matter < 2.5 microns (PM2.5) air pollution is a leading global risk factor for cardiovascular morbidity and mortality.
- Trial name
- ASPIRE (NCT03744871)
- Testing
- N95 Respirator
- Where
- 2 sites in United States, China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospitals Cleveland Medical Center
Cardiovascular System, Respiratory System
Acute Health Effects of Traffic-Related Air Pollution Exposure
This study aims to assess the effects of acute exposure to traffic-related air pollution and the underlying mechanisms.
- Trial name
- NCT04153539
- Testing
- Walking along a busy road, Walking in a traffic-free park
- Where
- China
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Fudan University
Allergies
Air Pollution and Allergens - Attenuation of Health Effects Particle Reduction
The study probes the effects of combined exposures to diesel exhaust and allergens on lung function and on the immune system, specifically focusing on the ability of a particle depletion technique to attenuate effects we and…
- Trial name
- DE3 (NCT02017431)
- Testing
- Allergen, Saline, Particle depleted diesel exhaust
- Where
- Canada
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Environment, Pollution Exposure
Environmental Pollutants and Life Quality
This study is part of the MISTRAL project, funded by the European Commission under the Horizon Europe Program, within the Work Programme 2021-2022 of Pillar II - Health Cluster on Environment and Health, which has the main…
- Conditions
- Environment, Pollution Exposure, Mortality, Healthcare
- Trial name
- ZEPHYR (NCT06591988)
- Testing
- Lifestyle factors
- Where
- Italy
- Volunteers
- 608 people, healthy volunteers welcome
- Sponsor
- Azienda Sanitaria Locale di Taranto
Cognitive Function Decline, Air Pollution Exposure
Short-Term Health Outcomes of Cooking UFP Exposure
This study examines the short-term respiratory and cognitive effects of exposure to ultrafine particles (UFPs) generated during typical household cooking.
- Conditions
- Cognitive Function Decline, Air Pollution Exposure, Respiratory Inflammation
- Trial name
- UFP (NCT07311967)
- Testing
- Clean Indoor Air Exposure (Control), Exposure to Cooking-Generated Ultrafine Particles and Gases
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Illinois Chicago
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 Exposure, Heart Rate
Assessing the Health Impact of Indoor Air Purification Using Health Data Obtained From Apple Watch Wearers
This study aims to use the Apple Watch health metrics to assess short-term physiological responses in a randomized, double-blind, crossover real-world indoor purification intervention.
- Conditions
- Air Pollution Exposure, Heart Rate, Resting Heart Rate, HRV
- Trial name
- NCT07477834
- Testing
- Real Filtration
- Where
- United Arab Emirates
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- New York University Abu Dhabi
Exposure to Pollution
Toxicokinetic Study of Lambda-cyhalothrin Biomarkers of Exposure
Exposure to pyrethroid pesticides is a growing concern in the workplace especially since they are also present in the diet of the general population. It is important to monitor human exposure to these contaminants.
- Trial name
- NCT03159013
- Testing
- Exposure
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Coronary Heart Disease
Myocardial Ischaemia After Exposure to Diesel Exhaust
Exposure to particulate air pollution is associated with increases in cardiovascular mortality and morbidity. The pathophysiological mechanisms underlying this observation are emerging, and exposure to particulate air pollution…
- Trial name
- MIDAS (NCT01661582)
- Testing
- CT/PET Myocardial Perfusion Imaging using O-15 water, Coronary blood flow measured by doppler echocardiography
- Where
- United Kingdom
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh