Clinical trials: Environmental Exposure
Health Knowledge, Attitudes, Practice
Impacts of Clinician-Mediated Report-Back
The study trains clinicians to return personal exposure results to study participants in pregnancy cohorts, and measures outcomes for environmental health literacy for both clinicians and study participants.
- Trial name
- NCT06074159
- Testing
- In-clinic report-back
- Where
- 2 sites in United States, Puerto Rico
- Volunteers
- 163 people, healthy volunteers welcome
- Sponsor
- Silent Spring Institute
Rhinitis, Allergic, Seasonal
Compare the Efficacy of Levocetirizine and Montelukast to Placebo in Reducing Seasonal Allergic Rhinitis (SAR) Symptoms in Ragweed Sensitive Subjects
To compare the clinical efficacy of levocetirizine 5 mg and montelukast 10 mg on symptoms of seasonal allergic rhinitis occurring in subjects exposed to ragweed pollen in an environmental exposure unit.
- Trial name
- NCT00295022
- Testing
- Montelukast, Levocetirizine
- Where
- Canada
- Volunteers
- 418 people
- Sponsor
- UCB S.A. - Pharma Sector
Dry Eye Syndromes
Evaluation of the Safety and Effectiveness of the Oculeve Intranasal Lacrimal Neurostimulator in Patients With Dry Eye
The purpose of this study was to evaluate the safety and effectiveness of the Intranasal Tear Neurostimulator applied intranasally compared with the same device applied extranasally (control) in treating the symptoms of dry eye…
- Trial name
- NCT02313454
- Testing
- Intranasal Tear Neurostimulator
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Allergan
Asthma, Environmental Exposure
Home Air Quality Impact for Adults With Asthma
The purposes of this study are to determine the practicality of using home indoor air quality monitoring and a smartphone app to identify home air quality changes and how these changes affect adults with asthma.
- Conditions
- Asthma, Environmental Exposure, Home Environment Related Disease
- Trial name
- NCT05224076
- Testing
- Home Air Quality
- Where
- United States
- Volunteers
- 64 people
- Sponsor
- University of Kansas Medical Center
Environmental Exposure
Pharmacokinetics of Benzo[a]Pyrene: Impact of Diet
Evaluation of the pharmacokinetics for [14C]-benzo[a]pyrene ([14C]-BaP) and metabolites in plasma and urine over 48 hours following a 50 ng dose (5.4 nCi) alone, following 7 days' consumption of Brussels sprouts, and following 7…
- Trial name
- NCT03802721
- Testing
- [14C]-benzo[a]pyrene, Brussels sprouts before 50 ng dose, DIM supplement before 50 ng dose
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Oregon State University
Allergic Rhinitis Due to House Dust Mite
Efficacy and Safety of 100IR, 300IR, 500IR Sublingual House Dust Mite Tablets in Allergic Rhinitis Environment Exposure Chamber Model
The purpose of this study is to assess the effect of 3 doses of sublingual house dust mite (HDM) tablets versus placebo in the change from baseline of rhinitis total symptom score during the allergen chamber challenge before and…
- Trial name
- NCT01527188
- Testing
- 100 IR house dust mites allergen extract tablet, 300 IR house dust mites allergen extract tablet, 500 IR house dust mites allergen extract tablet
- Where
- Canada
- Volunteers
- 355 people
- Sponsor
- Stallergenes Greer
Mental Health, Stress Disorders, Post-Traumatic
Integrating Clinical Practice Guidelines for Smoking Cessation Into Mental Health Care for Veterans With Posttraumatic Stress Disorder
The primary study objective is to conduct a prospective, randomized controlled clinical trial that compares the effectiveness of two approaches for delivering smoking cessation treatment for veterans with posttraumatic stress…
- Conditions
- Mental Health, Stress Disorders, Post-Traumatic, Substance-Related Disorders, Tobacco Use Disorder
- Trial name
- NCT00118534
- Testing
- Integrated Care for Smoking Cessation in PTSD patients, Standard of Care
- Where
- 11 sites in United States
- Volunteers
- 943 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Nasal Allergies, Allergies
Safety and Efficacy of AL-53817 Nasal Spray Solution
The purpose of this study was to determine the maximum tolerated dose of AL-53817 (Stage A) and evaluate the safety and efficacy of AL-53817 for the treatment of allergic rhinitis (Stage B).
- Trial name
- NCT01454505
- Testing
- AL-53817 nasal spray solution, Vehicle nasal spray
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Environmental Exposure, Exposure to Pollution
Removal of Dermal Exposure to Phthalate Ester by Hand Washing
The aim of the study is to evaluate the effectiveness in removing chemical exposure on hand, the investigators compare removal efficiency of Di-(2-ethylhexyl)phthalate (DEHP) on hands by hand washing with soap and water vs.
- Trial name
- NCT02707172
- Testing
- handwashing with soap, handwashing with water
- Where
- Taiwan
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Rhinitis, Allergic
A Study to Compare the Efficacy of Levocetirizine to Placebo in Reducing Symptoms of Seasonal Allergic Rhinitis (SAR) in Sensitive Subjects Exposed to Ragweed Pollen
The purpose of the study is to assess the efficacy comparability of cetirizine and levocetirizine, by comparing the effects of single intake of the two drugs to placebo in reducing symptoms of seasonal allergic rhinitis (SAR) in…
- Conditions
- Rhinitis, Allergic, Seasonal
- Trial name
- NCT00291642
- Testing
- Levocetirizine drops, Levocetirizine tablets
- Where
- Canada
- Volunteers
- 551 people
- Sponsor
- UCB Pharma
Allergic Conjunctivitis
The INVIGORATE Trial: A Clinical Trial to Assess the Efficacy and Safety of Subjects With Seasonal Allergic Conjunctivitis.
The INVIGORATE Trial: A Randomized, Double-masked, Crossover Design, Phase 3 Clinical Trial to Assess the Efficacy and Safety of Subjects With Seasonal Allergic Conjunctivitis.
- Trial name
- NCT04207736
- Testing
- Reproxalap Ophthalmic Solution (0.25%), Vehicle Ophthalmic Solution
- Where
- Canada
- Volunteers
- 95 people
- Sponsor
- Aldeyra Therapeutics, Inc.
Lung Diseases, Medication Compliance
Uncontrolled Lower Respiratory Symptoms in the WTC Survivor Program
The purpose of this study is to understand why patients in the World Trade Center program have continuing breathing problems. This study will improve investigators understanding of breathing problems among individuals with World…
- Trial name
- NCT02024204
- Testing
- Fluticasone propionate 230mcg for 3 Months, Current Treatment or no treatment, Salmeterol 21mcg for 3 Months
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- NYU Langone Health
Innate Inflammatory Response, Vaccination
PFAS Exposure and Immune Response to Vaccination in Adults
This clinical trial aims to investigate how exposure to Perfluorononanoic acid (PFNA), a type of per- and polyfluoroalkyl substance (PFAS), affects the immune response to the standard tetanus and diphtheria (Td) vaccine.
- Conditions
- Innate Inflammatory Response, Vaccination, Diphtheria, Tetanus
- Trial name
- NCT06588530
- Testing
- TENIVAC
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Environmental Exposure
Real-Life Passive Exposure Assessment of IQOS
This study is a non-interventional observational study designed to assess the impact of passive exposure to IQOS environmental tobacco aerosol in Non-Smokers in a real-life restaurant setting.
- Trial name
- NCT03550989
- Testing
- Non-Exposure Event, Exposure Event
- Where
- Japan
- Volunteers
- 401 people, healthy volunteers welcome
- Sponsor
- Philip Morris Products S.A.
Environmental Exposure
Controlled Adverse Environment: A Pilot Study to Evaluate Tear Film Stability and Tear Evaporation
Dry eye and ocular surface disease account for a lot of morbidity and socio-economic burden in Asia and the rest of the world. This is a small pilot study to evaluate tear function under different conditions of humidity and…
- Trial name
- NCT01448356
- Testing
- temperature and humidity
- Where
- Singapore
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Singapore Eye Research Institute
Environmental Exposure, Nasal Inflammation
Human Biological Responses to Low Level Ozone
To investigate if low level ozone exposure will cause measurable inflammation in nasal cells.
- Trial name
- SNOZ (NCT02857283)
- Testing
- Ozone, Filtered Air, Health and Exposure Tracker (HET)
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Seasonal Allergic Rhinitis
This Study Contains an Active Drug Treatment Group With Mometasone Furoate Nasal Spray and a Placebo (Dummy) Treatment Group for Seasonal Allergic Rhinitis (SAR). (Study P05073)(COMPLETED)
The purpose of this study is to evaluate how well mometasone furoate nasal spray (MFNS) works to relieve SAR symptoms compared to Placebo when symptoms are induced in a chamber setting.
- Trial name
- NCT00491504
- Testing
- Mometasone Furoate Nasal Spray
- Volunteers
- 310 people
- Sponsor
- Organon and Co
Dry Eye Syndromes
Evaluation of Dry Eye Symptoms in CAE With Application of Intranasal Neurostimulation
This study evaluates the safety and effectiveness of the Intranasal Tear Neurostimulator applied intranasally (active) compared with the same device applied extranasally (control) relating to symptoms of dry eye exacerbated by…
- Trial name
- NCT02910713
- Testing
- Intranasal Tear Neurostimulator
- Where
- 3 sites in United States
- Volunteers
- 185 people
- Sponsor
- Allergan
Seasonal Allergic Rhinitis
Safety, Pharmacokinetics, and Efficacy of Bepotastine Besilate Nasal Product After Ragweed Pollen Exposure in an Environmental Chamber
The purpose of this study is to examine the safety and efficacy of bepotastine besilate nasal product in seasonal allergic rhinitis patients.
- Trial name
- NCT01222299
- Testing
- bepotastine besilate nasal product - low dose, bepotastine besilate nasal product - medium dose, bepotastine besilate nasal product - high dose
- Where
- United States
- Volunteers
- 89 people
- Sponsor
- Bausch & Lomb Incorporated
Conjunctivitis, Allergic
A Methodology Development Clinical Trial of Reproxalap in Subjects With Seasonal Allergic Conjunctivitis Using the Environmental Exposure Chamber
An Exploratory Clinical Trial Evaluating Reproxalap Ophthalmic Solutions (0.25% and 0.5%) in Subjects with Seasonal Allergic Conjunctivitis Using the Environmental Exposure Chamber (EEC)
- Trial name
- NCT03709121
- Testing
- Reproxalap Ophthalmic Solution (0.25%), Reproxalap Ophthalmic Solution (0.5%), Vehicle Ophthalmic Solution
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- Aldeyra Therapeutics, Inc.