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ClinicalTrials.gov public records Last synced Oct 31, 2026, 4:58 PM EDT

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Showing 745–768 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Human Observatory Study

NCT07646782
View directory record Official record
Conditions
Aging, Mortality, All-cause Mortality, Life Expectancy, Cardiovascular Diseases, Neoplasms, Cognitive Dysfunction, Metabolic Syndrome, Frailty, Musculoskeletal Disease, Neurodegenerative Disease, Dementia, Activities of Daily Living, Health Related Quality of Life, Environmental Exposure, Occupational Diseases, Health Equity, Social Determinants of Health, Physical Disability
Interventions
Multi-Domain Ecological and Clinical Data Linkage
Other
Lead sponsor
Longevity Metrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2099
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 31, 2026, 4:58 PM EDT
Recruiting Not applicable Interventional

CAPABLE Transplant

NCT06326905
View directory record Official record
Conditions
Quality of Life, Depression, End Stage Renal Disease, Disability Physical
Interventions
CAPABLE Transplant- Open Label Pilot, CAPABLE Transplant- Randomized Control Trial
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tu Salud Si Cuenta Worksite: Pilot Intervention Study

NCT00870207
View directory record Official record
Conditions
Obesity, Physical Activity, Diet, Stress
Interventions
Tu Salud Si Cuenta Worksite Intervention
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Brownsville, Texas • Harlingen, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2011 · Synced Oct 31, 2026, 4:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sensitivity of Short and Long Allele Carriers of the 5-HTTLPR to Environmental Threat Post Hydrocortisone Administration

NCT01710202
View directory record Official record
Conditions
Major Depressive Disorder, Anxiety Disorders
Interventions
Hydrocortisone
Drug
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 20, 2015 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Not applicable Interventional Results available

Effect of the Built Operating Room Environment on Patient Outcome

NCT03037905
View directory record Official record
Conditions
Anxiety
Interventions
SignatureSuite OR Integration System by STERIS Corporation
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Garfield Heights, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Oct 31, 2026, 4:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of EED on Zn Absorption and Retention in Children From a Standard Dose

NCT02760095
View directory record Official record
Conditions
Environmental Enteric Dysfunction, Zinc Deficiency, Vitamin A Deficiency
Interventions
3 mg zinc sulfate supplement, 0.5 mg of 13C10-retinyl-acetate
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Months to 24 Months
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Open Label Mightier Play in the Home

NCT05652114
View directory record Official record
Conditions
Emotional Regulation
Interventions
Mightier
Behavioral
Lead sponsor
Neuromotion Labs
Industry
Eligibility
Not listed
Enrollment
2,732 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Oct 31, 2026, 4:58 PM EDT
Active, not recruiting Not applicable Interventional

The IGNITE Study on Concentrated Investment in Black Neighborhoods

NCT05541653
View directory record Official record
Conditions
Financial Stress, Economic Problems, Environmental Exposure, Health Behavior, Health, Subjective, Mental Health Wellness 1
Interventions
Financial Well-being Interventions, Place-based Interventions
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
571 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 31, 2026, 4:58 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Understanding Vape Marketing Study

NCT07129265
View directory record Official record
Conditions
E-cigarette, Vaping, Tobacco, Nicotine, Adolescent Behavior, Video Information, Digital Education Interventions
Interventions
Working group, Focus group
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of Digital Breast Tomosynthesis (DBT) in the Screening Environment

NCT01106911
View directory record Official record
Conditions
Breast Abnormalities
Interventions
tomosynthesis and screening mammography
Device
Lead sponsor
University of Pittsburgh
Other
Eligibility
35 Years to 55 Years · Female only
Enrollment
1,080 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 25, 2016 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Phase 3 Interventional

Coaching in Childhood Asthma

NCT00910585
View directory record Official record
Conditions
Asthma
Interventions
Coaching, providing social support
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Not listed
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 1, 2009 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Mirabegron and Physiological Function in Cold Environments

NCT04766021
View directory record Official record
Conditions
Resting Energy Expenditure, Thermogenesis, Brown Adipose Tissue
Interventions
Mirabegron, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 12, 2024 · Synced Oct 31, 2026, 4:58 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Visual and Acoustic Effects of Human Thermal Comfort and Perception in a Micro-Climatically Steady Environment

NCT06985940
View directory record Official record
Conditions
Thermal Perception
Interventions
Visual stimulation, Acoustic stimulation, Combination
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Phase 2 Interventional Results available

A Study Evaluating the Efficacy of SAR 1118 (0.1%, 1.0%, 5.0%) Ophthalmic Solution in Subjects With Dry Eye Conducted in a Controlled Adverse Environment (CAE)

NCT00926185
View directory record Official record
Conditions
Dry Eye
Interventions
Lifitegrast, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
5
States / cities
Waterbury, Connecticut • Lewiston, Maine • Andover, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Oct 31, 2026, 4:58 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Physical Activity in Public Housing - II

NCT00823498
View directory record Official record
Conditions
Cancer
Interventions
Focus Group, Interview, Photovoice Project
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
12 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Modifying the Home Television Watching Environment

NCT00065052
View directory record Official record
Conditions
Obesity, Body Weight Changes
Interventions
Behavior modification
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
4 Years to 7 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2007
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Oct 31, 2026, 4:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epigenetic and Developmental Effects of In Utero Exposure to Environmental Toxicants

NCT01815385
View directory record Official record
Conditions
Full Term Infants, Environmental Exposures, Adiposity
Interventions
Not listed
Lead sponsor
Montefiore Medical Center
Other
Eligibility
1 Hour to 72 Hours
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Environmental Costs of Building Human Muscle

NCT06733857
View directory record Official record
Conditions
Greenhouse Gas Emissions, Water Use, Land Use
Interventions
VEG2, OMNI2
Behavioral
Lead sponsor
Game Changers Institute
Other
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Laguna Niguel, California
Source: ClinicalTrials.gov public record
Updated Dec 13, 2024 · Synced Oct 31, 2026, 4:58 PM EDT
Completed No phase listed Observational

Parkinson's Genes and Environment Study

NCT00367900
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
50 Years and older
Enrollment
3,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Oct 31, 2026, 4:58 PM EDT
Completed No phase listed Observational

Prehospital Translation of Chest Pain Tools

NCT03494556
View directory record Official record
Conditions
Acute Coronary Syndrome, Pulmonary Embolism
Interventions
Data Collection
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Fayetteville, North Carolina • Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 31, 2026, 4:58 PM EDT
Recruiting Not applicable Interventional

Modifying the Inpatient Environment to Reduce Delirium in Older Adults

NCT06736951
View directory record Official record
Conditions
Delirium, Sleep Hygiene
Interventions
MMSH (Multi-Modal Sleep Hygiene) Bundle
Other
Lead sponsor
Farhaan S. Vahidy
Other
Eligibility
70 Years and older
Enrollment
10,890 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
5
States / cities
Baytown, Texas • Houston, Texas • Sugarland, Texas
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Not applicable Interventional Results available

Study of an Implantable Functional Neuromuscular Stimulation System for Patients With Spinal Cord Injuries

NCT00004445
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Surgery, IRS-8
Procedure · Device
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2016
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Oct 31, 2026, 4:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Global Positioning System (GPS) Exposure to Environments & Relations With Biomarkers of Cancer Risk

NCT02094170
View directory record Official record
Conditions
Physical Activity, Sedentary Lifestyle
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
35 Years to 80 Years
Enrollment
601 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Oct 31, 2026, 4:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Patient Satisfaction During Cesarean Delivery

NCT06539754
View directory record Official record
Conditions
Patient Satisfaction
Interventions
Music
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
Female only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 31, 2026, 4:58 PM EDT