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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:29 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 120 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Natural Environment Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Comparison of the Natural Frequencies Technology Sleep Patches to Sham Patches During Sleep in the Home Environment

NCT03205631
View directory record Official record
Conditions
Sleep Disturbance
Interventions
Natural Frequency Patch
Other
Lead sponsor
IC-IT Sciences Inc.
Industry
Eligibility
30 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Alameda, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol Impaired Driving in the Natural Environment

NCT03503396
View directory record Official record
Conditions
Driving Under the Influence
Interventions
BAC Driving Feedback/Warning, No Feedback
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years to 30 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 22, 2026, 2:29 PM EDT
Active, not recruiting No phase listed Observational

NCI COVID-19 in Cancer Patients, NCCAPS Study

NCT04387656
View directory record Official record
Conditions
COVID-19 Infection, Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Data Collection, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
1,877 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
928
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 589 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Terminated Not applicable Interventional Results available

Comparative Efficacy of Self-directed & Therapist-assisted Telehealth Parent Training Intervention for Children With ASD

NCT02721381
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
ImPACT Online
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
18 Months to 65 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 22, 2026, 2:29 PM EDT
Completed No phase listed Observational

Relating Genetic and Environmental Risk Scores to Multiple Sclerosis Susceptibility

NCT01617395
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional

Computerized Response Training Obesity Treatment

NCT03375853
View directory record Official record
Conditions
Obesity, Hyperphagia, Feeding and Eating Disorders
Interventions
Computer Based Response Training Weight Loss Intervention, Generic Response Training Control Intervention
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years to 38 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 22, 2026, 2:29 PM EDT
Completed No phase listed Observational

Study to Explore Natural Daily Variation and Impact of Stress in HIV Levels

NCT02895087
View directory record Official record
Conditions
HIV
Interventions
Diurnal Variation Group, External Stress Group
Other
Lead sponsor
University of Melbourne
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
San Francisco, California • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

This Study Explores Whether Adding Natural Elements Like Plants and Sunlight to Indoor Gyms Makes Exercise Feel Easier, More Enjoyable, and Improves Performance. By Comparing Workouts in Nature-inspired and Plain Gym Settings, it Aims to Find Better Ways to Design Fitness Spaces in Cities.

NCT06928311
View directory record Official record
Conditions
Biophilic Environmental Design, Traditional Exercise Design
Interventions
Exercise Environment
Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Results available

Improving Treatment Outcomes for Suicidal Veterans With PTSD

NCT04690582
View directory record Official record
Conditions
Suicidal Ideation, Suicide, Attempted, Ptsd
Interventions
Cognitive Processing Therapy (CPT), Crisis Response Plan (CRP), Safety Planning Intervention (SPI), Narrative Assessment
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Environmental Design for Behavioral Regulation in People With Dementia

NCT04555616
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Standard Environmental Design, Individual Environmental Design, Placebo
Behavioral
Lead sponsor
Elizabeth K Rhodus
Other
Eligibility
21 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 22, 2026, 2:29 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Visual and Acoustic Effects of Human Thermal Comfort and Perception in a Micro-Climatically Steady Environment

NCT06985940
View directory record Official record
Conditions
Thermal Perception
Interventions
Visual stimulation, Acoustic stimulation, Combination
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 22, 2026, 2:29 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Neural Mechanisms of Immersive Virtual Reality in Chronic Pain

NCT04851301
View directory record Official record
Conditions
Pain, Virtual Reality, Placebo, Temporomandibular Disorder
Interventions
Active Virtual Reality, sham Virtual Reality, No Intervention, Naloxone, Saline, Natural history
Behavioral · Other · Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 88 Years
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Studying the Impact of Product Packaging in a Virtual Store Environment

NCT04381481
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Experimental Drink: Nutrition claim on fruit drinks, Control Drink: No nutrition claim, Experimental snack: Text warning, Experimental snack: Graphic warning, Control snack: barcode label
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
2,374 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of the Remote Intervention for Diet and Exercise (RIDE)

NCT00883350
View directory record Official record
Conditions
Overweight, Obesity
Interventions
RIDE e-health application
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Oct 22, 2026, 2:29 PM EDT
Not listed Not applicable Interventional

VestibulOTherapy: Vestibular Impact on Learning

NCT05793216
View directory record Official record
Conditions
Vestibular Disorder, Educational Problems, Attention Deficit Disorder
Interventions
VestibulOTherapy
Behavioral
Lead sponsor
VestibulOTherapy
Industry
Eligibility
6 Years to 10 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 31, 2023 · Synced Oct 22, 2026, 2:29 PM EDT
Active, not recruiting No phase listed Observational

Natural History of Infants With Patent Processus Vaginalis

NCT03042858
View directory record Official record
Conditions
Patent Processus Vaginalis, Inguinal Hernia
Interventions
Infants with PPV, Infants without PPV
Other
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
1 Day to 4 Months
Enrollment
801 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2036
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Recruiting Not applicable Interventional

Complex Rehabilitation Technology Enabled Physical Activity for Children With Motor Delays Via Telehealth in Natural Environments

NCT07252713
View directory record Official record
Conditions
Cerebral Palsy (CP), Motor Disability, Motor Delay
Interventions
Stander Use
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
1 Year to 6 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Geospatial Analysis of Neighborhood Environmental Stress in Relation to Biological Markers of Cardiovascular Health and Health Behaviors in Women

NCT04014348
View directory record Official record
Conditions
Cardiovascular (CV) Risk
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
19 Years to 45 Years · Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Recruiting No phase listed Observational

Motor-voice Assessment in Infants (MAMI)

NCT06807203
View directory record Official record
Conditions
Cerebral Palsy Infantile, Pre-Term, Motor Delay, Neurodevelopmental Disorders, Autism Spectrum Disorder
Interventions
Behavioral observation
Other
Lead sponsor
Ohio State University
Other
Eligibility
Up to 10 Days
Enrollment
46 participants
Timeline
2025 – 2030
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Sleep in BMT Survivors

NCT03537963
View directory record Official record
Conditions
Sleep Disturbance, Sleep Disorder
Interventions
mHealth Stepped-care Intervention, Educational Control Condition, Questionnaire, Interview, Qualitative Interviews, Virtual Reality
Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Natural History Study of Early Life Exposures in Agriculture (ELEA)

NCT07328516
View directory record Official record
Conditions
Prostate Cancer, Leukemia, Breast Cancer, Melanoma, Colorectal Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
64,277 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Temporal, Environmental, and Genetic Factors Regulating Exercise and Migraine

NCT04553445
View directory record Official record
Conditions
Migraine Disorders
Interventions
Chronotype, Green exercise
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Oct 22, 2026, 2:29 PM EDT
Recruiting Not applicable Interventional

Virtual Reality for SCD VOC

NCT07674277
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Sham 2D Headset Control, Passive Immersive 3D Virtual Reality, Active Immersive Interactive 3D Virtual Reality
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 88 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 2:29 PM EDT
Completed Not applicable Interventional Results available

MediHoney for Radiation Dermatitis

NCT02234479
View directory record Official record
Conditions
Breast Cancer, Radiation Dermatitis
Interventions
Hydrophor (Group A), MediHoney (Group B)
Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Oct 22, 2026, 2:29 PM EDT