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ClinicalTrials.gov public records Last synced Oct 30, 2026, 12:24 PM EDT

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Showing 145–168 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Completed Not applicable Interventional

Reducing Environmental Tobacco Smoke in Neonatal Intensive Care Unit (NICU) Infants' Homes

NCT00670280
View directory record Official record
Conditions
Infant Environmental Tobacco Smoke Exposure
Interventions
Motivational Interviewing intervention, Usual Care, Usual Care - Reduced Measurement
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
12 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2016 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Isradipine Enhancement of Virtual Reality Cue Exposure for Smoking Cessation

NCT03083353
View directory record Official record
Conditions
Nicotine Dependence, Smoking, Cigarette, Smoking Cessation, Smoking Behaviors, Smoking Reduction, Craving
Interventions
Isradipine, Cue Exposure
Drug · Behavioral
Lead sponsor
Jasper A. Smits
Other
Eligibility
18 Years to 65 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HomeStyles-2: Shaping HOME Environments and LifeSTYLES to Prevent Childhood Obesity

NCT04802291
View directory record Official record
Conditions
Healthy Lifestyle, Home Environment Related Disease, Cognitive Change, Child Behavior, Child Obesity, Parenting, Parents, Parent-Child Relations
Interventions
HomeStyles-2: Obesity Prevention Program for Families with Children in Middle Childhood
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
24 Years to 50 Years
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 30, 2026, 12:24 PM EDT
Active, not recruiting Not applicable Interventional

Study of Procedural Efficiency in EBUS With Dual Versus Single NEEDLEs: Evaluating the Value of a Second Needle in EBUS as it Pertains to Economic and Environmental Impact

NCT07218042
View directory record Official record
Conditions
Mediastinal and Hilar Lymphadenopathy
Interventions
We randomized patients to the two arms above; there was no specific intervention performed other than randomizing patients to one or two needles.
Diagnostic Test
Lead sponsor
Christopher Kapp
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Sacramento, California • Chicago, Illinois • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 30, 2026, 12:24 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Personalized Performance Optimization Platform

NCT06979570
View directory record Official record
Conditions
Sensory Science, Performance Assessment, Countermeasure Evaluation, Neurocognitive Function, Psychological Factors
Interventions
AttentivU
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
Cambridge, Massachusetts • Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Integrating Clinical Practice Guidelines for Smoking Cessation Into Mental Health Care for Veterans With Posttraumatic Stress Disorder

NCT00118534
View directory record Official record
Conditions
Mental Health, Stress Disorders, Post-Traumatic, Substance-Related Disorders, Tobacco Use Disorder
Interventions
Integrated Care for Smoking Cessation in PTSD patients, Standard of Care
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
943 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
11
States / cities
Tuscaloosa, Alabama • San Diego, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated May 5, 2014 · Synced Oct 30, 2026, 12:24 PM EDT
Completed No phase listed Observational

Effects of Environmental Factors on Opiate Drug Choice in Opioid Dependent Individuals.

NCT00608504
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders
Interventions
Not listed
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 5, 2012 · Synced Oct 30, 2026, 12:24 PM EDT
Active, not recruiting Not applicable Interventional

Digital Rehabilitation Environment Augmenting Medical System

NCT03385993
View directory record Official record
Conditions
Delirium
Interventions
Technology based guided meditation and relaxation
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 30, 2026, 12:24 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Promoting Healthier Food Purchases By Leveraging the Online-Grocery Environment

NCT02489396
View directory record Official record
Conditions
Obesity
Interventions
Nutrition facts automatically or not automatically displayed, Nutrition facts in color, Nutrition Facts Label in Larger Font, Healthier Items First
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 3, 2018 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impacts of a Report-back Training Program

NCT06046872
View directory record Official record
Conditions
Behavioral Shift (Researcher Willingness to Report-back)
Interventions
Report-back training
Behavioral
Lead sponsor
Silent Spring Institute
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Epigenetic Effect Modifications With Ozone Exposure on Healthy Volunteers

NCT02469428
View directory record Official record
Conditions
Exposure to Environmental Pollution, Non-occupational
Interventions
Clean air, Ozone
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Oct 30, 2026, 12:24 PM EDT
Active, not recruiting Not applicable Interventional

FLIGHT - Autism: Education and Health Coaching Program Focused on Modifiable Lifestyle Factors for Parents

NCT07375537
View directory record Official record
Conditions
Autism
Interventions
Parent education and coaching program for newly diagnosed autism
Behavioral
Lead sponsor
Documenting Hope Project
Other
Eligibility
3 Years to 7 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Windsor, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 30, 2026, 12:24 PM EDT
Recruiting Not applicable Interventional

Virtual Cycling Environments for Persons With Parkinson Disease

NCT04804202
View directory record Official record
Conditions
Parkinson Disease
Interventions
Bicycling with and without virtual reality
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
45 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Newark, New Jersey • Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 30, 2026, 12:24 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Effect of Environment on the Central and Peripheral Nervous System

NCT06778356
View directory record Official record
Conditions
Rumination
Interventions
Built environment, Natural environment
Other
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional

Reduction of Environmental Tobacco Smoke (ETS) Exposure In Pediatric Cancer Patients

NCT00766766
View directory record Official record
Conditions
Cancer
Interventions
Health Risk and Behavioral Skills Coaching Sessions, Telephone Coaching Sessions, Physician Feedback Letter
Behavioral
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 17 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 6, 2013 · Synced Oct 30, 2026, 12:24 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Discovering Cancer Risks From Environmental Contaminants and Maternal/Child Health

NCT05746169
View directory record Official record
Conditions
Cancer
Interventions
Health Questionnaires, Specimen sample collection
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
1,576 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
3
States / cities
Berkeley, California • Fresno, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HomeStyles-2: Shaping HOME Environments and LifeSTYLES to Prevent Childhood Obesity in SNAP-Education

NCT05019339
View directory record Official record
Conditions
Healthy Lifestyle, Home Environment Related Disease, Child Behavior, Cognitive Change, Child Obesity, Parenting, Parents, Parent-Child Relations
Interventions
Healthy HomeStyles, Eat Healthy Be Active
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 110 Years
Enrollment
247 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 1, 2023 · Synced Oct 30, 2026, 12:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Workforce Serosurveillance to Track Long-term Modifications to COVID-19 Exposure Due to Factors in the Built Environment

NCT04542200
View directory record Official record
Conditions
Covid19
Interventions
Antibody testing
Biological
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
40,132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2023 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetics of Benzo[a]Pyrene: Impact of Diet

NCT03802721
View directory record Official record
Conditions
Environmental Exposure
Interventions
[14C]-benzo[a]pyrene, Brussels sprouts before 50 ng dose, DIM supplement before 50 ng dose
Drug
Lead sponsor
Oregon State University
Other
Eligibility
21 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 22, 2025 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional

Supervision Models in Training Environments

NCT05075278
View directory record Official record
Conditions
Supervision, Anesthesia
Interventions
Survey
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

MIrabegron and Physiological Function in Cold Environments

NCT05990387
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
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Oct 30, 2026, 12:24 PM EDT
Completed No phase listed Observational

Social-environmental, Psychosocial, Behavioral, Clinical and Biological Drivers of Disparities in Liver Disease Progression Among Korean American With Chronic Hepatitis B Infection

NCT05117541
View directory record Official record
Conditions
Chronic Viral Hepatitis, Hepatitis B Infection
Interventions
Interview, Biospecimen Collection, Electronic Health Record Review
Other · Procedure
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
365 participants
Timeline
2021 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Environments as Smoking Cues: Imaging Brain Substrates, Developing New Treatments (CameraCue)

NCT01840111
View directory record Official record
Conditions
Smoking, Healthy
Interventions
Quit Smoking 6 hours, Quit Smoking 24 hours
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 30, 2026, 12:24 PM EDT
Completed Not applicable Interventional

The PREVENTION Trial: Precision Recommendations to Optimize Neurocognition

NCT04082611
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
Data-Driven Clinical Recommendations, Coached Data-Driven Clinical Recommendations
Behavioral
Lead sponsor
Saint John's Cancer Institute
Other
Eligibility
50 Years to 80 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 30, 2026, 12:24 PM EDT