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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:31 AM EDT

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Showing 145–168 of 678 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Environmental modification Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Study to Assess the Effectiveness of a Heat Risk Reduction Decision Support Platform and the Barriers and Facilitators of Its Implementation With 30 US Local Health Department Sites

NCT06971978
View directory record Official record
Conditions
Extreme Heat, Heat Health, Extreme Heat Waves, Heat, Emergency Preparedness, Disaster Management, Disaster Planning, Disasters
Interventions
Online decision support platform to support evidence-based heat health risk assessment and extreme heat event preparedness planning, Heat and health risk assessment and preparedness information
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reduction of Drug Use and HIV Risk Among Out-of-Treatment Methamphetamine Users

NCT01161485
View directory record Official record
Conditions
HIV Infections
Interventions
HIV Testing and Counseling, Contingency Management, Strengths-based case management
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
502 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 20, 2017 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Results available

Efficacy of a Smoke-Free Homes Intervention

NCT04547686
View directory record Official record
Conditions
Cessation, Smoking
Interventions
Smoke-Free Homes Intervention, Quitline
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
916 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 22, 2026, 4:31 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Water is K'é: Multi-level Intervention to Promote Healthy Beverage Choices Among Navajo Families

NCT06020027
View directory record Official record
Conditions
Water, Child Nutrition, Family Dynamics, Healthy Nutrition, Healthy Lifestyle, Health-Related Behavior, Obesity Prevention
Interventions
Water is K'é
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
2 Years and older
Enrollment
1,160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Window Rock, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of an Educational Planetary Plate Graphic on Meat Consumption

NCT05565859
View directory record Official record
Conditions
Diet, Food and Nutrition
Interventions
Planetary Health Plate signage
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
957 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hypothermia and the Effect of Ambient Temperature

NCT02436382
View directory record Official record
Conditions
Hypothermia
Interventions
change in temperature
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Female only
Enrollment
846 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional

Testing the Decision Aid: Supporting Patient Decisions About Upper Extremity Surgery in Cervical SCI

NCT04995796
View directory record Official record
Conditions
Cervical Spinal Cord Injury, Tetraplegia
Interventions
Surveys for Research Purposes
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 24, 2022 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reusable, Transparent, and Reconfigurable N95-equivalent Respirator Masks: Design, Fabrication, and Trials for Enhanced Adoption

NCT07711145
View directory record Official record
Conditions
Focus is on Healthy Subjects
Interventions
Reusable, Transparent, and Reconfigurable N95-Equivalent Respirator Masks: Design, Fabrication, and Clinical Trials for Enhanced Adoption
Device
Lead sponsor
SEEUS95 Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Community Health Through Engagement and Environmental Renewal

NCT04362475
View directory record Official record
Conditions
Family Relations, Blight
Interventions
Community Health through Engagement and Environmental Renewal (CHEER)
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
11 Years and older
Enrollment
915 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional

Improving Asthma Outcomes in an Urban Pediatric Population

NCT00140439
View directory record Official record
Conditions
Asthma
Interventions
Emergency Department based asthma follow-up clinic
Behavioral
Lead sponsor
Stephen J. Teach, MD, MPH
Other
Eligibility
12 Months to 17 Years
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional

Psychotherapy Treatment of Deployment-Related PTSD in Primary Care Settings

NCT00974402
View directory record Official record
Conditions
Post-Traumatic Stress Disorders, Stress Disorders, Combat Disorders
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
3
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2014 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics

NCT04226131
View directory record Official record
Conditions
Rheumatoid Arthritis, Healthy Controls
Interventions
Blood Draw, Disease Activity (DAS-28) Assessment, Skeletal Muscle Mitochondrial Respiratory Capacity, Muscle Biopsy, Body Composition, Cardiopulmonary Exercise Test (CPET), Strength Testing, Questionnaires, Skeletal Muscle Biomechanical Property Assessment
Other
Lead sponsor
Duke University
Other
Eligibility
25 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Oct 22, 2026, 4:31 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cooking HEalthy and Facilitating Early Childhood Development: CHEF-ED Study

NCT06940817
View directory record Official record
Conditions
Teaching Healthy Cooking Skills to Parents and Their Preschool Children
Interventions
CHEF-ED + Food Delivery, Food Delivery Only
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Novel Cooling Vest to Protect Persons With SCI From Hyperthermia

NCT05441449
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Cooling Vest
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 68 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional

Immune Modulation by Enhanced vs Standard Prehabilitation Program Before Major Surgery

NCT04498208
View directory record Official record
Conditions
Surgery, Immune System and Related Disorders, Preoperative Care, Gastrointestinal Disease, Urological Disease, Gynecologic Disease, Thoracic Diseases
Interventions
Physical Prehabilitation, Stress Reduction Prehabilitation, Cognitive Prehabilitation, Nutrition Prehabilitation
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional

Modified Comprehensive Behavioral Intervention for Tics (M_CBIT)

NCT02900144
View directory record Official record
Conditions
Tourette Syndrome, ADHD
Interventions
Modified Comprehensive Behavioral Intervention for Tics, Comprehensive Behavioral Intervention for Tics
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years to 17 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2021 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Renal Considerations in the Heat Stress Recommendations

NCT04767347
View directory record Official record
Conditions
Hot Weather; Adverse Effect, Kidney Dysfunction, Kidney Injury, Hyperthermia, Dehydration
Interventions
23.0°C WBGT - Fixed Work Rate, 25.5°C WBGT - Fixed Work Rate, 27.5°C WBGT - Fixed Work Rate, 28.5°C WBGT - Fixed Work Rate, 35.5°C WBGT - Fixed Work Rate, 26.0°C WBGT - Fixed work-to-rest ratio, 30.5°C WBGT - Fixed work-to-rest ratio, 30.5°C WBGT - Fixed work-to-rest ratio (high intensity)
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 44 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Oct 22, 2026, 4:31 AM 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 22, 2026, 4:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cognitive Changes Associated With Breast Cancer Treatment

NCT00550134
View directory record Official record
Conditions
Breast Cancer, Cognitive Side Effects of Cancer Treatments, Stage I, II and III A Breast Cancer
Interventions
Questionnaires, MRI, Comet assay and Cell senescence
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 30, 2021 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine and Tobacco Message Framing to Change Smoking Behavior in Diverse Groups of Young Adult Smokers

NCT06644664
View directory record Official record
Conditions
Tobacco-Related Carcinoma
Interventions
Health Education, Interview, Smoking Cessation Intervention, Survey Administration, Text Message-Based Navigation Intervention
Behavioral · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 35 Years
Enrollment
292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Brain and Meditation (BAM) Study

NCT05215314
View directory record Official record
Conditions
Stress, Behavior
Interventions
mHealth Meditation
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
25 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Nutritional Counseling Tool in Reducing the Amount and Frequency of Sugar Intake

NCT06673342
View directory record Official record
Conditions
Dental Cavity, Caries,Dental
Interventions
Nutritional Counseling
Behavioral
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Oct 22, 2026, 4:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Workplace-Sponsored Program to Reduce Obesity

NCT00123513
View directory record Official record
Conditions
Obesity, Cardiovascular Diseases
Interventions
Diet, Exercise, Environment
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
3,938 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 13, 2012 · Synced Oct 22, 2026, 4:31 AM 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 22, 2026, 4:31 AM EDT