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ClinicalTrials.gov public records Last synced Oct 31, 2026, 5:50 PM EDT

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Showing 769–792 of 823 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Environment Clear all
Completed No phase listed Observational Accepts healthy volunteers

Farms, Animals and Adolescents: Reinforcing the Microbiome

NCT03189849
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
7 Years to 13 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Phase 4 Interventional Results available

Assessing the Efficacy of Maxidex® and Patanol® for the Treatment of Allergic Conjunctivitis

NCT01119287
View directory record Official record
Conditions
Allergic Conjunctivitis
Interventions
Dexamethasone 0.1% ophthalmic suspension, Olopatadine hydrochloride 0.1% ophthalmic solution, Inactive ingredients, used as placebo
Drug · Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 64 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Feb 28, 2014 · Synced Oct 31, 2026, 5:50 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Home-Based Measures of Physical Activity and Body Composition

NCT00542438
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Physical Activity Recall, Environmental Assessments
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Genetics of Asthma - Bronchoscopy Studies

NCT00644514
View directory record Official record
Conditions
Atopic Asthma, Healthy
Interventions
Endotoxin - lipopolysaccharide (LPS)
Biological
Lead sponsor
John Sundy
Other
Eligibility
18 Years to 40 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2013 · Synced Oct 31, 2026, 5:50 PM EDT
Recruiting No phase listed Observational

Characterizing the Microvascular Environment of Bladder Cancer With Super-Resolution Ultrasound Localization Microscopy

NCT06986304
View directory record Official record
Conditions
Bladder Cancer
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Completed No phase listed Observational

Identifying Shared Genetic Susceptibility Regions in Chronic Beryllium Disease and Sarcoidosis

NCT00560989
View directory record Official record
Conditions
Sarcoidosis, Berylliosis
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 26, 2014 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Genetic and Environmental Risk Assessment for Colorectal Cancer in Healthy Participants

NCT00087360
View directory record Official record
Conditions
Colorectal Cancer
Interventions
counseling intervention, physiologic testing, evaluation of cancer risk factors
Other · Procedure
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
50 Years to 74 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
4
States / cities
Bethesda, Maryland • Philadelphia, Pennsylvania • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 11, 2013 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional

Robot Assisted Virtual Rehabilitation for the Hand Post Stroke (RAVR)

NCT03569059
View directory record Official record
Conditions
Stroke, Acute
Interventions
Early Robotic/VR Therapy (EVR), Dose-Matched Usual Physical Therapy Care, Delayed Robotic/VR Therapy (DVR)
Device · Behavioral
Lead sponsor
New Jersey Institute of Technology
Other
Eligibility
30 Years to 80 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
2
States / cities
Saddle Brook, New Jersey • West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional

Interacting Together Everyday: Recovery After Childhood Traumatic Brain Injury (TBI) "I-InTERACT

NCT01056146
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Internet-based Interacting Together Everyday: Recovery After Childhood TBI, Internet Resources Comparison
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 9 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 28, 2014 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparative Study of Three Collagen Membranes: 1 Non-cross-linked and 2 Cross-linked

NCT06944639
View directory record Official record
Conditions
Bone Regeneration
Interventions
Membrane Jason MB GmbH Non-cross-linked (NCL), Membrane BioMend Extend Glutaraldehyde cross-linked, Membrane OSSIX Agile Ribose cross-linked (RCL)
Device
Lead sponsor
Andrea Ravida
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Nicotine Virtual Reality Conditioned Place Preference

NCT06259630
View directory record Official record
Conditions
Nicotine Addiction, Nicotine Use Disorder
Interventions
Nicotine, Placebo oral capsule
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 31, 2026, 5:50 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Principles and Test Methods of Non-contact Body Thermometry

NCT05247736
View directory record Official record
Conditions
Thermometry
Interventions
Infrared Thermography
Diagnostic Test
Lead sponsor
Thermal Diagnostics LLC
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Northfield, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 31, 2026, 5:50 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 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Indigenous Supported Agriculture "Go Healthy"

NCT05773833
View directory record Official record
Conditions
Diet, Healthy, Blood Pressure, Overweight or Obesity, Food Insecurity, Health Status
Interventions
"Go Healthy" program
Behavioral
Lead sponsor
Oklahoma State University Center for Health Sciences
Other
Eligibility
3 Years to 75 Years
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Pawhuska, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Inherited and Environmental Risks Acting on Body Weight

NCT07430852
View directory record Official record
Conditions
Genetics, Obesity
Interventions
Diet modification
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
20 Years to 45 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional

Community Walks: Clinical Trial

NCT05147298
View directory record Official record
Conditions
Physical Inactivity
Interventions
eHealth phone program, Environment program
Other
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
543 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Comparing Facial Aging Between Identical Twins With 3D Imaging

NCT07760532
View directory record Official record
Conditions
Facial Skin Aging, Facial Volume Loss, Wrinkle Appearance
Interventions
GLP-1 Receptor Agonists
Drug
Lead sponsor
Ponsky Facial Aesthetics And Plastic Surgery, Llc
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Beachwood, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional

Rehabilitation Research and Training Center for Traumatic Brain Injury Interventions--Teen Online Problem Solving Study

NCT01042899
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Teen Online Problem Solving (TOPS), Teen Online Problem Solving--Teen Only (TOPS-TO), Internet Resources Comparison (IRC)
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
11 Years to 18 Years
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
5
States / cities
Denver, Colorado • Cincinnati, Ohio • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2016 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional

Smart Trainer Arm Ergometry Exercise Training in Individuals Post-Stroke

NCT05410600
View directory record Official record
Conditions
Stroke
Interventions
Arm ergometer smart trainer cycling program
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Homewood, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Phase 2 Interventional

Evaluating Patient Information Prescriptions

NCT00355381
View directory record Official record
Conditions
Breast Neoplasms, Premature Birth
Interventions
Information Services (IRx)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Oct 31, 2026, 5:50 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Providing Access to the Visual Environment

NCT00341744
View directory record Official record
Conditions
Vision Impairment
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
3 Years to 21 Years
Enrollment
795 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety and Efficacy of BRM421 for Dry Eye Syndrome Treatment

NCT04343287
View directory record Official record
Conditions
Dry Eye Syndrome
Interventions
BRM421, Placebo
Drug
Lead sponsor
BRIM Biotechnology Inc.
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
4
States / cities
Newport Beach, California • Indianapolis, Indiana • Andover, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 31, 2026, 5:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Virtual Reality Study - COVID-19 Protocol

NCT04678778
View directory record Official record
Conditions
Healthy Aging
Interventions
Physical and Cognitive Activity
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
50 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced Oct 31, 2026, 5:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Healthy Environments Partnership

NCT00042263
View directory record Official record
Conditions
Cardiovascular Health
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
25 Years to 95 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 4, 2006 · Synced Oct 31, 2026, 5:50 PM EDT