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ClinicalTrials.gov public records Last synced Oct 30, 2026, 4:12 PM EDT

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Showing 241–264 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Completed Phase 2 Interventional

Efficacy and Safety of XG-104 for the Treatment of Dry Eye

NCT02235259
View directory record Official record
Conditions
Dry Eye
Interventions
XG-104, Placebo
Drug
Lead sponsor
Xigen SA
Industry
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2016 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impacts of Clinician-Mediated Report-Back

NCT06074159
View directory record Official record
Conditions
Health Knowledge, Attitudes, Practice
Interventions
In-clinic report-back
Behavioral
Lead sponsor
Silent Spring Institute
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 30, 2026, 4:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

PlayReadVIP in Family Child Care

NCT07489079
View directory record Official record
Conditions
Caregiver-Child Interaction, Child Learning
Interventions
PlayReadVIP
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 30, 2026, 4:12 PM EDT
Recruiting Not applicable Interventional

Effects of Walking in Greenspace and the Built Environment in Adults With Prediabetes: A Randomized Crossover Trial

NCT06365723
View directory record Official record
Conditions
PreDiabetes, Heart Rate Variability (HRV), Stress and Anxiety, Stress Biomarkers
Interventions
Nature-based Walking, Built-environment/Commercial Walking
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
25 Years to 64 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Lake Forest, Illinois • Winfield, Illinois • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 30, 2026, 4:12 PM EDT
Completed No phase listed Observational

Epidemiology of Young Lung Cancer - Survey

NCT04640259
View directory record Official record
Conditions
NSCLC
Interventions
Online Survey
Other
Lead sponsor
Addario Lung Cancer Medical Institute
Other
Eligibility
18 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Los Angeles, California • San Carlos, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 30, 2026, 4:12 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Eating Behaviors in Shift Workers

NCT04468672
View directory record Official record
Conditions
Shift Work Type Circadian Rhythm Sleep Disorder, Eating Behavior
Interventions
Portion size
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Environmental Strategies & Behavior Change to Reduce Overeating in Obese Children

NCT01221220
View directory record Official record
Conditions
Obesity
Interventions
Standard Packard Pediatric Weight Control Program, Standard Packard Pediatric Weight Control Program plus Home-based advising on environmental changes
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 15 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 7, 2021 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Results available

Use of Partial Body Weight Support Play Environment to Encourage Mobility and Exploration in Infants With Down Syndrome

NCT05307523
View directory record Official record
Conditions
Down Syndrome, Trisomy 21
Interventions
Enriched Play Environment with Partial Body Weight Support Harness, Enriched Play Environment without Partial Body Weight Support Harness
Device · Other
Lead sponsor
University of Washington
Other
Eligibility
Up to 36 Months
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Oct 30, 2026, 4:12 PM EDT
Terminated No phase listed Observational

Von Hippel-Lindau Disease Genetic Epidemiology Study

NCT00001803
View directory record Official record
Conditions
Von Hippel Lindau Disease, Kidney Neoplasms
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
13 Years to 100 Years
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Monitoring Environmental Exposures and Behavioral Change

NCT05338242
View directory record Official record
Conditions
Risk Reduction, Environmental Exposure, Risk Behavior, Health
Interventions
Real-Time Exposure Feedback
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Appalachians Together Restoring the Eating Environment

NCT02399436
View directory record Official record
Conditions
Dietary Habits
Interventions
School-Based Healthy Snacking Campaign, Community Cooking Classes
Behavioral
Lead sponsor
Mark Swanson, PhD
Other
Eligibility
Not listed
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

PFAS Exposure and Immune Response to Vaccination in Adults

NCT06588530
View directory record Official record
Conditions
Innate Inflammatory Response, Vaccination, Diphtheria, Tetanus, Environmental Exposure, Vaccine, Antibodies, Adult, Immunity, Pollution; Exposure
Interventions
TENIVAC
Biological
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 89 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Paulsboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional

Wheeled Mobility in Everyday Life

NCT00981344
View directory record Official record
Conditions
Chronic Heart Disorder, Lung Disorder, Arthritis
Interventions
Wheeled Mobility in Everyday Life:Effects of Wheelchair Type on Mobility Performance of Elders in Public Environments
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 9, 2012 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Phase 2 Interventional

Prevention of Environmental Tobacco Smoke Exposure in Children 0-12 Months Old

NCT00340106
View directory record Official record
Conditions
Environmental Tobacco Smoke (ETS)
Interventions
Counseling
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional

Home Plate: A Trial to Improve Home Food Preparation Practices Among Parents of Toddlers

NCT02458833
View directory record Official record
Conditions
Obesity
Interventions
Home Plate
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Results available

The Houston HIITBAC for African Americans

NCT02253433
View directory record Official record
Conditions
Asthma
Interventions
Enhanced Clinic Care, Enhanced Clinic Care + Home Intervention
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Oct 30, 2026, 4:12 PM EDT
Active, not recruiting No phase listed Observational

Environmental Mixtures, Cognitive Control and Reward Processes, and Risk for Psychiatric Problems in Adolescence

NCT05795452
View directory record Official record
Conditions
Psychiatric Problem
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
13 Years to 20 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 30, 2026, 4:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Intrauterine Environment in Polycystic Ovary Syndrome (PCOS) Probands

NCT00364949
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 10, 2013 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Behavioral and Environmetal Factors and Time to Delivery

NCT00740506
View directory record Official record
Conditions
Pregnancy
Interventions
Frequency of Intercourse
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
510 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study Evaluating Go NAP SACC's Web-based Nutrition Tool for Child Care

NCT02889198
View directory record Official record
Conditions
Environment Related Disease
Interventions
Go NAP SACC
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 17, 2017 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional

Effects of Reduced Environmental Stimulation on Eating Disorders

NCT02801084
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
Reduced environmental stimulation
Behavioral
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 15, 2022 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fathers and Children Exercising Together

NCT07862062
View directory record Official record
Conditions
Physical Activity
Interventions
Standard Intervention, Community-enhanced intervention, Dietary modification
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
6 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Proprietary Water on Physiological and Perceptual Responses

NCT05451446
View directory record Official record
Conditions
Hydration, Dehydration
Interventions
proprietary water, Active comparator, Placebo
Dietary Supplement · Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Oct 30, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mindfulness-Based Interventions Targeting First-Generation College Student Retention in Rural Environments

NCT06789731
View directory record Official record
Conditions
Depression, Anxiety
Interventions
Mindfulness Meditation, Psychoeducation
Behavioral · Other
Lead sponsor
University of South Dakota
Other
Eligibility
18 Years to 64 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 30, 2026, 4:12 PM EDT