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ClinicalTrials.gov public records Last synced Oct 31, 2026, 6:47 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 793–816 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Not yet recruiting Phase 2 Interventional

Tirzepatide in Women With Obesity and Endometrial Intra-epithelial Neoplasia or Grade 1 Endometrial Cancer

NCT07078838
View directory record Official record
Conditions
Endometrial Cancer, Endometrial Intraepithelial Neoplasia, Grade 1 Endometrial Endometrioid Carcinoma
Interventions
Tirzepatide
Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Phase 2 Interventional

Safety and Efficacy Study of RX-10045 on the Signs and Symptoms of Dry Eye

NCT00799552
View directory record Official record
Conditions
Dry Eye Syndrome
Interventions
RX-10045, Placebo
Drug
Lead sponsor
Resolvyx Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2010 · Synced Oct 31, 2026, 6:47 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Role of Breathing Perception in Respiratory Control

NCT07470099
View directory record Official record
Conditions
Work of Breathing
Interventions
Ambient Noise, Increased Auditory Feedback, Noise Distraction
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ultramarathons and Impact of Phased Electromagnetic Field Therapy (PEMF)

NCT03333135
View directory record Official record
Conditions
Healthy
Interventions
Pulsed Electromagnetic Field therapy (PEMF), Pulsed Electromagnetic Field Sham therapy
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Oct 31, 2026, 6:47 PM EDT
Recruiting Not applicable Interventional

Humidity Asthma Interventions for Low Socioeconomic Status Children

NCT07453667
View directory record Official record
Conditions
Pediatric Asthma
Interventions
Healthy home intervention
Other
Lead sponsor
Case Western Reserve University
Other
Eligibility
Up to 18 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Environmental Emissions From Electronic Cigarettes and Tobacco-Burning Cigarettes

NCT02185898
View directory record Official record
Conditions
Smoking
Interventions
Leading U.S. non-menthol cigarette, Leading U.S. menthol cigarette, Electronic cigarette #1, Electronic cigarette #2, Electronic cigarette #3, U.S. Market-sample electronic cigarettes
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 99 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Stockbridge, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 31, 2026, 6:47 PM EDT
Completed No phase listed Observational

Molecular Epidemiology of Childhood Leukemia (Aka The California Childhood Leukemia Study)

NCT00015587
View directory record Official record
Conditions
Leukemia, Acute Myelocytic Leukemia, Acute Lymphoblastic Leukemia, Acute Myelogenous Leukemia
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
1 Day to 14 Years
Enrollment
3,523 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2016
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 12, 2016 · Synced Oct 31, 2026, 6:47 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Differential Gene Expression in Lung and Peripheral Blood After Inhaled Allergen Challenge

NCT00671593
View directory record Official record
Conditions
Atopic Asthma, Healthy
Interventions
House Dust Mite, Diluent
Biological
Lead sponsor
John Sundy
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2013 · Synced Oct 31, 2026, 6:47 PM EDT
Recruiting No phase listed Observational

Celiac Disease Genomic Environmental Microbiome and Metabolomic Study

NCT02061306
View directory record Official record
Conditions
Celiac Disease
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Up to 6 Months
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2026 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Phase 3 Interventional

A Study of Genetic and Environmental Factors and Their Effect on Response to Treatment With Lucentis (Ranibizumab) for Wet AMD

NCT00469352
View directory record Official record
Conditions
Macular Degeneration
Interventions
Ranibizumab
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 22, 2011 · Synced Oct 31, 2026, 6:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Environmental Influences on Vitamin D Status

NCT00780247
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Not listed
Lead sponsor
Creighton University
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Anchorage, Alaska
Source: ClinicalTrials.gov public record
Updated Oct 27, 2008 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nudging Nutrition With Monetary Incentives Environmental Cues

NCT02461108
View directory record Official record
Conditions
Obesity, Food Labeling, Health Behavior, Diet
Interventions
Subsidy, Tax, Tax and subsidy
Behavioral
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 31, 2026, 6:47 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Actual Use and Compliance Study Of Ibuprofen 600 Mg Immediate Release/Extended Release Tablets In At-Risk OTC Consumers

NCT03722238
View directory record Official record
Conditions
Pain
Interventions
Ibuprofen 600 mg Immediate Release/Extended Release Caplet
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
613 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
27
States / cities
Hoover, Alabama • Mesa, Arizona • Tucson, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2021 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Not applicable Interventional Results available

Comparison of Different Ventilator and Vaporizer Technologies to Study Economic and Environmental Implications

NCT04851314
View directory record Official record
Conditions
Anesthetic Gas Consumption and Cost-Effectiveness
Interventions
ICU certified ventilator, Non-ICU certified ventilator
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2021 · Synced Oct 31, 2026, 6:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Urban Environmental Factors and Childhood Asthma

NCT00114881
View directory record Official record
Conditions
Asthma, Allergy
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
560 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2024
U.S. locations
4
States / cities
Baltimore, Maryland • Boston, Massachusetts • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2025 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Relational Playbook Pilot Study

NCT06456021
View directory record Official record
Conditions
Health Workforce, Burnout
Interventions
The Relational Playbook, Leadership Coaching
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 31, 2026, 6:47 PM EDT
Completed No phase listed Observational

Follow-Up of Bladder Cancer Patients From the New England Study of Environment and Health

NCT00776178
View directory record Official record
Conditions
Bladder Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
30 Years to 79 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2020 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Not applicable Interventional

Creating Healthy Environments for Chicago Kids

NCT03195790
View directory record Official record
Conditions
Childhood Obesity
Interventions
Family-based pediatric obesity treatment
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
6 Years to 12 Years
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Oct 31, 2026, 6:47 PM EDT
Recruiting Not applicable Interventional

Social and Environmental Determinants of Breast Cancer Survivorship: the Black Breast Cancer Survivor's Intervention (BBCSI)

NCT06885203
View directory record Official record
Conditions
Breast Cancer
Interventions
Black Breast Cancer Survivor's Intervention
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Not applicable Interventional Results available

Assessing a Novel Virtual Environment That Assists With Activities of Daily Living

NCT05418296
View directory record Official record
Conditions
Dementia, Alzheimer Disease, Neurodegenerative Diseases
Interventions
A novel digital health device
Device
Lead sponsor
mandy
Industry
Eligibility
Up to 110 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Elk Grove, California • Oakland, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Rapid Acclimatization to Hypoxia at Altitude

NCT01702025
View directory record Official record
Conditions
Physiological Function in Low Oxygen Environment
Interventions
Placebo, Aminophylline, Methazolamide, Aminophylline+Methazolamide
Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 40 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 24, 2014 · Synced Oct 31, 2026, 6:47 PM EDT
Completed Phase 2 Interventional Results available

Treatment Study of Carnosine Versus Placebo in Gulf War Illness (GWI)

NCT00810368
View directory record Official record
Conditions
Persian Gulf Syndrome
Interventions
Carnosine, Placebo
Drug
Lead sponsor
Georgetown University
Other
Eligibility
34 Years to 82 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 28, 2019 · Synced Oct 31, 2026, 6:47 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

University of Central Florida BEEAST

NCT06781424
View directory record Official record
Conditions
Biospecimen Donation, Environmental Impact
Interventions
Not listed
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2075
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Oct 31, 2026, 6:47 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Network-Based Support to Help Community Coalition Members Choose and Use Strategies to Improve Child Health

NCT07804550
View directory record Official record
Conditions
Childhood Obesity, Evidence-Based Practice, Food Systems, Food Policy
Interventions
Catalyzing Communities, FICAS Implementation Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
3,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 31, 2026, 6:47 PM EDT