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ClinicalTrials.gov public records Last synced Oct 31, 2026, 4:12 PM EDT

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Showing 721–744 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Completed Not applicable Interventional

Effect of Sensory Adapted Dental Environment on Dental Anxiety of Children With Intellectual and Developmental Disabilities

NCT03218462
View directory record Official record
Conditions
Developmental Disability, Intellectual Disability, Dental Anxiety
Interventions
Sensory Adapted Dental Environment (SADE)
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
6 Years to 21 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 18, 2018 · Synced Oct 31, 2026, 4:12 PM EDT
Withdrawn Not applicable Interventional

Attention Intervention Management

NCT01779427
View directory record Official record
Conditions
Traumatic Brain Injury (TBI), Attention Deficit Hyperactivity Disorder (ADHD), Head Injury, Brain Concussion, Head Injuries, Closed
Interventions
AIM
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 8, 2016 · Synced Oct 31, 2026, 4:12 PM EDT
Recruiting No phase listed Observational

Impact of Highly Effective Modulator Therapy on the Cystic Fibrosis Microbiome

NCT05982795
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Nasal endoscopy with microbiome swab and mucus collection through filter paper and sponge, Olfactory Function Testing, Survey Completion
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 31, 2026, 4:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Tailoring Mobile Health Technology to Reduce Obesity and Improve Cardiovascular Health in Resource-Limited Neighborhood Environments

NCT03288207
View directory record Official record
Conditions
Obesity
Interventions
AMRA(r) Researcher Image reconstruction software, MRI: radiofrequency coils (Device Manufacturer: Siemens Medical Solutions USA, Inc.), MRI: Research pulse sequences (Device Manufacturer: NIH), MRI: Image Reconstruction and Analysis Software (Device Manufacturer: NIH), Bluetooth-enabled glucometer, Remote tailored-to-place coaching (TPC), Standard remote coaching (SRC), Run-in physical-activity monitoring, Ambulatory blood-pressure monitor, Polysomnography equipment
Device · Other
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 75 Years · Female only
Enrollment
325 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 29, 2026 · Synced Oct 31, 2026, 4:12 PM EDT
Terminated No phase listed Observational

Effectiveness of Protected Environment Rooms for AML and MDS

NCT00443300
View directory record Official record
Conditions
Acute Myelogenous Leukemia, Myelodysplastic Syndrome
Interventions
Not listed
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
60 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2012 · Synced Oct 31, 2026, 4:12 PM EDT
Completed No phase listed Observational

A Cost-Effective Handheld Breast Scanner for Use in Low Resource Environments: A Validation Study

NCT02814292
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 27, 2016 · Synced Oct 31, 2026, 4:12 PM EDT
Completed No phase listed Observational

Children With Asthma in New Orleans After Hurricane Katrina

NCT00426634
View directory record Official record
Conditions
Asthma, Allergies
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
4 Years to 12 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 31, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Bi-environmental Conditions During Occupational Related Activity

NCT05059730
View directory record Official record
Conditions
Hyperthermia, Hypothermia
Interventions
Zero Degrees Cold Environment, Eight Degrees Cold Environment, Ten Degrees Cold Environment, 40 degrees Hot Environment
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 28 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 31, 2026, 4:12 PM EDT
Recruiting No phase listed Observational

Role of the Immune Environment in Response to Therapy in Breast Cancer

NCT05396612
View directory record Official record
Conditions
Breast Cancer, ER Positive Breast Cancer, HER2-negative Breast Cancer, TNBC - Triple-Negative Breast Cancer
Interventions
Collection of personal health information from women treated at the University of Pennsylvania under an approved HIPAA waiver.
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Oct 31, 2026, 4:12 PM EDT
Completed Not applicable Interventional

HealthSmart: Promoting Healthy Lifestyles for Young Adult Cancer Survivors Using Educational Videos

NCT03340532
View directory record Official record
Conditions
Environmental Exposure to Ultraviolet Light
Interventions
THE INFORMATION + APPEARANCE VIDEO, Information SunSmart video, Sleep hygiene video
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 35 Years
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2022 · Synced Oct 31, 2026, 4:12 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Ultralow Dose PAH Binary Mixture Study

NCT03631667
View directory record Official record
Conditions
Environmental Exposure
Interventions
[14C]-benzo[a]pyrene, [14C]-benzo[a]pyrene plus phenanthrene
Drug
Lead sponsor
Oregon State University
Other
Eligibility
21 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 31, 2026, 4:12 PM EDT
Completed No phase listed Observational

NIEHS/UNC Environmental Polymorphism Study

NCT00340886
View directory record Official record
Conditions
Genetic Polymorphisms
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 31, 2026, 4:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Sister Study: Genetic and Environmental Risk Factors for Breast Cancer

NCT00047970
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
35 Years to 74 Years · Female only
Enrollment
50,884 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2015
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 15, 2015 · Synced Oct 31, 2026, 4:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Environment and Reproductive Health; Human Exposure to Bisphenol A, Phthalates and Fertility and Pregnancy Outcomes

NCT00011713
View directory record Official record
Conditions
Infertility
Interventions
Completion questionnaires/providing biological samples
Other
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 55 Years
Enrollment
1,474 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2020 · Synced Oct 31, 2026, 4:12 PM EDT
Not yet recruiting Phase 2 Interventional

PFAS Clinical Trial

NCT07836023
View directory record Official record
Conditions
Environmental Exposure
Interventions
Cholestyramine, Centrum
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 31, 2026, 4:12 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Community Youth Development Study: A Test of Communities That Care

NCT01088542
View directory record Official record
Conditions
Substance Abuse, Juvenile Delinquency, Sexual Behavior, Criminal Behavior, Violence, Depression, Anxiety, Suicide, Sexually Transmitted Infection, Educational Attainment
Interventions
Communities That Care
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
10 Years and older
Enrollment
52,323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 31, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Environmental Influences on Early Childhood Obesity

NCT02703688
View directory record Official record
Conditions
Childhood Obesity
Interventions
Healthy Homes, Usual Care
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
3 Years to 5 Years
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 15, 2022 · Synced Oct 31, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study on Out of School Nutrition and Physical Activity Environments

NCT01396473
View directory record Official record
Conditions
Child Physical Activity, Child Nutrition
Interventions
Policy and Environmental Change
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
5 Years to 12 Years
Enrollment
590 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2011 · Synced Oct 31, 2026, 4:12 PM EDT
Completed Not applicable Interventional Results available

Improving Negative Symptoms of Psychosis In Real-world Environments

NCT02170051
View directory record Official record
Conditions
Schizophrenia
Interventions
CBSST-CCT, Goal focused supportive contact
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 31, 2026, 4:12 PM EDT
Active, not recruiting Not applicable Interventional

The Allergen Reduction and Child Health Study (ARCHS)

NCT04331353
View directory record Official record
Conditions
Asthma in Children
Interventions
Comparator 1 (tailored approach), Comparator 2 (insecticidal bait)
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
5 Years to 17 Years
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 31, 2026, 4:12 PM EDT
Completed Not applicable Interventional Results available

Evaluation of the Safety and Effectiveness of the Oculeve Intranasal Lacrimal Neurostimulator in Patients With Dry Eye

NCT02313454
View directory record Official record
Conditions
Dry Eye Syndromes
Interventions
Intranasal Tear Neurostimulator
Device
Lead sponsor
Allergan
Industry
Eligibility
22 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 31, 2020 · Synced Oct 31, 2026, 4:12 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

A Multiphase Operational and Environmental Assessment of Lunar Surface Habitation, Lunar Gateway Transit Systems, and Acceleration Pathways for Sustained Human Habitation of the Martian Surface

NCT07546461
View directory record Official record
Conditions
Extraterrestrial Habitation Systems, Lunar Surface Habitation, Lunar Water-Ice Resource Assessment, In-Situ Resource Utilization (ISRU), Lunar Gateway Transit Architecture, Martian Surface Habitation Readiness, Environmental Control and Life-Support Systems (ECLSS), Radiation Exposure Modeling, EVA Logistics and Mobility, Long-Duration Isolation and Behavioral Stability
Interventions
Habitat Systems Evaluation, Water-Ice Resource Utilization Assessment, EVA and Mobility Operations
Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 31, 2026, 4:12 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Environmental Risk Factors for the Anti-synthetase Syndrome

NCT01276470
View directory record Official record
Conditions
Myositis, Dermatomyositis, Polymyositis, Juvenile Dermatomyositis, Juvenile Polymyositis
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
2 Years to 100 Years
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
8
States / cities
Miami, Florida • Baltimore, Maryland • Bethesda, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 31, 2026, 4:12 PM EDT
Completed No phase listed Observational

Insights Into Microbiome and Environmental Contributions to Sickle Cell Disease and Leg Ulcers Study (INSIGHTS Study)

NCT02156102
View directory record Official record
Conditions
Genetic Disease, Genomics
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
2
States / cities
Bethesda, Maryland • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2026 · Synced Oct 31, 2026, 4:12 PM EDT