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ClinicalTrials.gov public records Last synced Oct 23, 2026, 2:15 PM EDT

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

Showing 577–600 of 679 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Environmental modification Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

High Altitude and Exogenous Carbohydrate Oxidation

NCT03851744
View directory record Official record
Conditions
Glucose Metabolism, High Altitude
Interventions
Sea Level, High Altitude
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 2, 2021 · Synced Oct 23, 2026, 2:15 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Improving Nutrition and Physical Activity Environments in Home-based Child Care

NCT02452645
View directory record Official record
Conditions
Family Child Care Homes
Interventions
Healthy Food and Physical Activity Environments, Comparison Group
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 19, 2017 · Synced Oct 23, 2026, 2:15 PM EDT
Completed No phase listed Observational

Communication Training for Caregivers In Advanced Care Planning

NCT04171895
View directory record Official record
Conditions
Primary Malignant Brain Tumors, Advanced Care Planning
Interventions
Questionnaires, Communication training Part 1 (no longer recruiting), Enhanced usual care, Communication training Part II
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Timeline
2019 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Microbiota in Healthy Subjects Before and After Meditation Practices in a Controlled Environment

NCT06306469
View directory record Official record
Conditions
Healthy
Interventions
Meditation practice
Other
Lead sponsor
Pranic Healing Research Institute
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lyndhurst, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 23, 2026, 2:15 PM EDT
Recruiting Phase 3 Interventional

Antibiotic Cement Bead Pouch Versus Negative Pressure Wound Therapy

NCT05615844
View directory record Official record
Conditions
Open tíbia Fracture
Interventions
Antibiotic Cement Bead Pouch, Negative Pressure Wound Therapy
Drug · Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
30
States / cities
Chandler, Arizona • Tucson, Arizona • Davis, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional

Development of Fluid Intake App for Management of Fluid Intake During Hemodialysis

NCT03759847
View directory record Official record
Conditions
Weight Gain
Interventions
Fluid intake app, Survey
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Phase 4 Interventional

Use of Alpha-Stim Cranial-electrotherapy Stimulation (CES) in the Treatment of Anxiety

NCT01533415
View directory record Official record
Conditions
Anxiety
Interventions
CES treatment using Alpha-Stim technology, Shame CES Treatment
Device
Lead sponsor
Wyndhurst Counseling Center
Other
Eligibility
18 Years to 65 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
2
States / cities
Lynchburg, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 9, 2013 · Synced Oct 23, 2026, 2:15 PM EDT
Not listed Phase 2 Interventional

A Biobehavioral Intervention for Young Men With Testicular Cancer

NCT04150848
View directory record Official record
Conditions
Testis Cancer
Interventions
Goal-Focused Emotion Regulation Therapy (GET), Individual Supportive Psychotherapy (ISP)
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Irvine, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Personalized Mobile Intervention to Reduce Exposure to Endocrine Disrupting Chemicals in Adults of Child-Bearing Age

NCT05780047
View directory record Official record
Conditions
Endocrine Disrupting Chemicals, Environmental Exposure, Health Literacy, Bisphenol A, Phthalate Exposure, Survey
Interventions
Mail-in Urine Test for EDCs
Diagnostic Test
Lead sponsor
Million Marker Wellness, Inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
434 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 23, 2026, 2:15 PM EDT
Withdrawn Not applicable Interventional

Antiorbital Calcium in Chronic Conditions

NCT05302713
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Ionic Calcium, Calcium Carbonate
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
55 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 7, 2024 · Synced Oct 23, 2026, 2:15 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Well Baby, Well Family Study

NCT06801080
View directory record Official record
Conditions
Social Determinants of Health
Interventions
HealthySteps (https://www.zerotothree.org/our-work/healthysteps/), Treatment as Usual (TAU)
Other
Lead sponsor
Naval Health Research Center
Federal
Eligibility
Not listed
Enrollment
1,181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
2
States / cities
San Diego, California • Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 11, 2025 · Synced Oct 23, 2026, 2:15 PM 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 23, 2026, 2:15 PM EDT
Completed No phase listed Observational

Developing a New Questionnaire About Patient Expectations of Breast Conserving Therapy

NCT02753673
View directory record Official record
Conditions
Breast Cancer
Interventions
qualitative interviews with patients, questionnaires
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional

Modified ABC: A Home-based Parenting Program for Opioid-dependent Mothers and Their Infants

NCT03891628
View directory record Official record
Conditions
Opioid-Related Disorders, Parent-Child Relations, Infant Development, Parenting
Interventions
Modified Attachment and Biobehavioral Catch-up, Modified Developmental Education for Families
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
18 Years and older · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 1, 2021 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional

Evaluation of the Veterans' In-home Program

NCT01831830
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
The Veterans' In-home Program
Behavioral
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2015 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional

Adaptation of the STEPPING ON Fall Prevention Program for Older Adults Receiving Cancer Therapy

NCT02737839
View directory record Official record
Conditions
Geriatric Disorder, Cancer, Patient Fall
Interventions
Stepping On Education Program, Home visit, Patient Questionnaire, Mini-Balance Evaluation Systems Test, GAITRite, Precise measure of movement testing
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
70 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gut-microbiota Targeted Nutritional Intervention for Gut Barrier Integrity at High Altitude

NCT04111263
View directory record Official record
Conditions
Gastrointestinal Injury, Acute Mountain Sickness
Interventions
FP, Placebo, High altitude, Sea level
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Oct 23, 2026, 2:15 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

GARM II: A Study on the Genetics of Age-related Maculopathy

NCT01115387
View directory record Official record
Conditions
Age-related Macular Degeneration, Age-related Maculopathy
Interventions
Observational-1, Observational-2
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
49 Years and older
Enrollment
603 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2027
U.S. locations
2
States / cities
Los Angeles, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional

Heat & Aerobic Training (HEAT) Study

NCT02546726
View directory record Official record
Conditions
Pre-hypertension
Interventions
Heat & Aerobic Training (HEAT), Exercise Only
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
45 Years to 64 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Oct 23, 2026, 2:15 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Piloting ProHealth: A Program for Male Soldiers on Sex, Dating and Alcohol-Use at Fort Bragg

NCT03184298
View directory record Official record
Conditions
Sexual Assault and Rape, Risk Behavior, Alcohol Abuse
Interventions
Surveys, Interviews, Group Discussions
Other
Lead sponsor
Womack Army Medical Center
Federal
Eligibility
18 Years to 26 Years · Male only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Fort Bragg, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Oct 23, 2026, 2:15 PM EDT
Not yet recruiting Not applicable Interventional

Smoking Cessation Intervention for Young Adults Using MTM: A Randomized Controlled Trial

NCT07104006
View directory record Official record
Conditions
Tobacco Use Disorder/Cigarette Smoking
Interventions
Multi-Theory Model (MTM)-Based Smoking Cessation Program
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 29 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Occupational Therapist Fall Prevention Intervention in a Geriatric Primary Care Setting

NCT03294447
View directory record Official record
Conditions
Fall Accident, Fall, Accidental
Interventions
Fall Prevention by the Occupational Therapist
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
60 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Oct 23, 2026, 2:15 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sex Differences in Cold-Induced Changes in Maximal Fat Oxidation

NCT07297823
View directory record Official record
Conditions
Exercise
Interventions
Cold temperature, Room Temperature
Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 23, 2026, 2:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fire Fighter Fatigue Management Program: Operation Fight Fatigue

NCT01672502
View directory record Official record
Conditions
Shift-Work Sleep Disorder, Insomnia, Restless Leg Syndrome, Obstructive Sleep Apnea, Impaired Driving
Interventions
Sleep health education provided via a web-based program, Sleep disorder detection and treatment, Optimization of Sleep in Fire Station
Behavioral · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Oct 23, 2026, 2:15 PM EDT