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ClinicalTrials.gov public records Last synced Oct 30, 2026, 6:30 PM EDT

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Showing 313–336 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Plant-Based Defaults

NCT06554743
View directory record Official record
Conditions
Choice Behavior, Dietary Habits
Interventions
Default Veg, Default Meat
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

The MOM Program: 5 Year Follow-up Study of a Home Visiting Program at The Children's Hospital of Philadelphia

NCT00231179
View directory record Official record
Conditions
Child Development
Interventions
Home visiting professional support model, Control
Behavioral · Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
4 Years to 5 Years
Enrollment
302 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 23, 2015 · Synced Oct 30, 2026, 6:30 PM EDT
Recruiting Not applicable Interventional

REACH Study (Recovery Environments: Assessing Cognitive & Brain Health in Community Mental Health)

NCT07006935
View directory record Official record
Conditions
Schizophrenia, Schizo Affective Disorder, Schizophreniform Disorders
Interventions
Clubhouse Model of Psychosocial Rehabilitation for Serious Mental Illness, Usual Community-Based Mental Health Care
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Environmental Factors to Increase Patient Comfort During Urodynamics Testing

NCT03317340
View directory record Official record
Conditions
Lower Urinary Tract Symptoms, Urologic Diseases
Interventions
Background Sounds
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 8, 2020 · Synced Oct 30, 2026, 6:30 PM EDT
Completed No phase listed Observational

Developmental Impact of NICU Exposures (DINE)

NCT03061890
View directory record Official record
Conditions
Prematurity
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Up to 12 Years
Enrollment
600 participants
Timeline
2017 – 2023
U.S. locations
11
States / cities
Jacksonville, Florida • Boston, Massachusetts • Minneapolis, Minnesota + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional Results available

A Novel Transition Program to Reduce Disability After Stroke

NCT03485820
View directory record Official record
Conditions
Ischemic Stroke, Hemorrhagic Stroke
Interventions
COMPASS, Stroke education
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years and older
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Early Genetic and Environmental Influences on Eating - The Baylor Infant Twins Study

NCT04306523
View directory record Official record
Conditions
Body Composition, Executive Functioning, Temperament
Interventions
Observation
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
4 Months to 24 Months
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional

Changing Healthy Outcomes In Clinic Environments

NCT00674518
View directory record Official record
Conditions
Obesity, Physical Inactivity, Diabetes
Interventions
One on one counseling, Group/team - based health education, PACE physician counseling
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
30 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Oct 30, 2026, 6:30 PM EDT
Active, not recruiting No phase listed Observational

Circadian Rhythm Disruption in the Hospital Intensive Care Environment

NCT05828680
View directory record Official record
Conditions
Surgery, Cardiovascular Diseases
Interventions
Observation
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
15 participants
Timeline
2023 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Terminated Not applicable Interventional

Comparison of Community Reintegration Interventions When Using a Simulated Environment

NCT06646939
View directory record Official record
Conditions
Simulated Environments for Community Reintegration
Interventions
PT and OT with a simulated environment
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

GARM II: A Study on the Genetics of Age-related Maculopathy

NCT01115387
View directory record Official record
Conditions
Age-related Macular Degeneration, Age-related Maculopathy
Interventions
Observational-1, Observational-2
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
49 Years and older
Enrollment
603 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2027
U.S. locations
2
States / cities
Los Angeles, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 30, 2026, 6:30 PM EDT
Terminated Not applicable Interventional

Environment Effect on Six-Minute Walk Test Performance

NCT02502201
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Alpha-1 Antitrypsin Deficiency
Interventions
six-minute walk study indoors, six-minute walk study outdoors
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2019 · Synced Oct 30, 2026, 6:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Haptics in Virtual Reality

NCT07209228
View directory record Official record
Conditions
Literacy, Literacy-language Intervention, Haptics
Interventions
Haptic-Integrated Interactive Virtual Reality Experience, Traditional Virtual Reality Experience (Hand Controllers)
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
6 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional Results available

Postoperative Environment on Pain Following Pelvic Reconstructive Surgery

NCT03379753
View directory record Official record
Conditions
Postoperative Pain
Interventions
music and positive images
Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional

Advanced Virtual Exercise Environment Device for Use by Persons With Physical Disabilities

NCT02990507
View directory record Official record
Conditions
Physically Disabled
Interventions
AVEED: Arm rotation, video display, AVEED: Arm rotation, without video display, AVEED: Leg rotation, arm-energy input, video display, AVEED: Leg rotation, arm-energy input, without video display
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Physiological and Thermoregulatory Responses of Body Cooling During Cycling in a Hot Environment

NCT04715711
View directory record Official record
Conditions
Hyperthermia
Interventions
Forearm coolng, Wet-towel cooling, mist-fan, passive cooling
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 28 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Oct 30, 2026, 6:30 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Increasing Youth Physical Activity: Neighborhood Environment Influences

NCT00853814
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Access to sedentary behaviors
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
12 Years to 16 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2009 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Virtual Sun Safe Workplaces Ph II (SSW Works)

NCT05774600
View directory record Official record
Conditions
Skin Cancer, Occupational Exposure
Interventions
SSW Works, Minimal Information Control
Behavioral
Lead sponsor
Klein Buendel, Inc.
Industry
Eligibility
18 Years and older
Enrollment
543 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Golden, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Completed No phase listed Observational

Sample Collection Registry for Quality Control of Biological and Environmental Specimens and Assay Development and Testing

NCT01087307
View directory record Official record
Conditions
Exposure
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
5,326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Completed No phase listed Observational

Environmental Factors in the Development of Polycystic Ovary Syndrome

NCT00341731
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
2
States / cities
Research Triangle Park, North Carolina • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 1, 2009 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Eggshell Membrane Beauty From Within Trial

NCT06148337
View directory record Official record
Conditions
Skin Elasticity, Skin Hydration, Skin Barrier to Water Loss, Fingernail Health, Hair Health
Interventions
unhydrolyzed eggshell membrane, Placebo
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
35 Years to 70 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Implementing Modified Practices to Leverage Evidence for Movement, Engagement, and Nutrition Topics in Early Childcare and Education

NCT07874295
View directory record Official record
Conditions
Dietary Intakes, Physical Activity, Child Care, Early Education, Children Aged 3-5 Years, Toddlers
Interventions
Boston Healthy Child Care Initiative
Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
2 Years to 5 Years
Enrollment
456 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Recruiting Phase 4 Interventional

Project DEDUCE: Digital Envirotyping to Develop Understanding of Cigarette Smoking and the Environment

NCT07089901
View directory record Official record
Conditions
Smoking
Interventions
transdermal nicotine replacement therapy
Drug
Lead sponsor
Duke University
Other
Eligibility
21 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Dry Eye Treatments on the Ocular Surface

NCT01797822
View directory record Official record
Conditions
Keratoconjunctivitis Sicca, Dry Eye Syndrome
Interventions
Dexamethasone, Artificial tear
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Oct 30, 2026, 6:30 PM EDT