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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Subjective Health Clear all
Enrolling by invitation No phase listed Observational

Expanding Access to Cognitive Health Biomarker Testing at Home

NCT07594665
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI), Alzheimer's Dementia (AD), Subjective Cognitive Decline (SCD), Cognitive Aging
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Personalized Lifestyle Intervention for Improving Functional Health Outcomes Using N-of-1 Tent-Umbrella-Bucket Design

NCT04005456
View directory record Official record
Conditions
Health, Subjective, Gastrointestinal Dysfunction, Cardiovascular Risk Factor, Autoimmune Diseases, Dental Diseases, Hormone Disturbance, Neurocognitive Dysfunction
Interventions
Supplements and/or medical foods, Behavioral change support program, Food plan
Dietary Supplement · Behavioral · Other
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Gig Harbor, Washington
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy and Safety of Hemp-derived, Full Spectrum Cannabigerol (CBG) in Adults

NCT05743985
View directory record Official record
Conditions
Health, Subjective, Inflammatory Response, Adverse Effect, Side Effect
Interventions
Cannabigerol
Other
Lead sponsor
Formula30A LLC
Industry
Eligibility
21 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
5
States / cities
Arlington, Texas • Denton, Texas • Edinburg, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Jul 22, 2026, 10:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Caffeinated Beverages on Well-being

NCT07357818
View directory record Official record
Conditions
Healthy, Caffeine, Beverage Intake
Interventions
Participants' typical caffeinated beverage, Test caffeinated beverage
Other
Lead sponsor
GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.
Industry
Eligibility
18 Years to 55 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enduring Happiness and Continued Self-Enhancement

NCT02782611
View directory record Official record
Conditions
Happiness
Interventions
ENHANCE: Enduring Happiness and Continued Self-Enhancement
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
25 Years to 75 Years
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 12, 2018 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Phase 2 Interventional Results available

Ranolazine Among Unrevascularized Chronic Stable Angina Patients

NCT02265796
View directory record Official record
Conditions
Angina
Interventions
Ranolazine, Sugar pill
Drug
Lead sponsor
North Florida Foundation for Research and Education
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 21, 2019 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional

Nature and Well-Being Project

NCT04642235
View directory record Official record
Conditions
Environmental Exposure, Health Behavior, Health, Subjective
Interventions
Nature Nook, Nature Coach, Nature Nook + Nature Coach
Other · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Jul 22, 2026, 10:31 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Digital Accessible Remote Olfactory Mediated Health Assessments for Preclinical AD

NCT05881239
View directory record Official record
Conditions
Subjective Cognitive Concerns, Mild Cognitive Impairment, Mild Behavioral Impairment, Healthy Aging
Interventions
AROMHA Brain Health Test
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 100 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

CT-P13 (Infliximab) Subcutaneous Administration by Pre-filled Syringe and Auto-injector in Healthy Subjects

NCT03446976
View directory record Official record
Conditions
Health, Subjective
Interventions
CT-P13 SC Auto-injector, CT-P13 SC Pre-filled Syringe
Biological
Lead sponsor
Celltrion
Industry
Eligibility
18 Years to 55 Years
Enrollment
218 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 25, 2019 · Synced Jul 22, 2026, 10:31 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Diagnostic Efficiency of Touch Imprints Versus Smears

NCT03224910
View directory record Official record
Conditions
Diagnostic Self Evaluation
Interventions
Cytologic techniques used for rapid on site interpretation
Other
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
Not listed
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced Jul 22, 2026, 10:31 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

ACAR Brain Health Intervention Study

NCT04208880
View directory record Official record
Conditions
Aging Well
Interventions
TBH Brain Workout 1.0, Brain Health Book Club, TBH Brain Workout 2.0, TBH Memory 1.0, TBH Memory 2.0
Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
60 Years and older
Enrollment
294 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 22, 2019 · Synced Jul 22, 2026, 10:31 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Health and Health Care Utilization Effects of Medical Debt Forgiveness

NCT04835012
View directory record Official record
Conditions
Health Care Utilization, Depression, Anxiety, Subjective Wellbeing
Interventions
Medical debt forgiveness
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
15,008 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing Nicotine Delivery, Subjective Effects, and Sensory Experiences of Tobacco Users Using Oral Nicotine Products and Electronic Cigarettes [ZYN Study]

NCT05030194
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Cigarette Smoking, Smokeless Tobacco Cessation
Interventions
Electronic Cigarette, Oral Nicotine Pouch
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 25, 2023 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Nutrition Supplement on Health Related Quality of Life

NCT04499560
View directory record Official record
Conditions
Sleep, Stress, Health, Subjective, Inflammation, Cognitive Symptom
Interventions
Supplement Drink
Dietary Supplement
Lead sponsor
Nutraceuticals Research Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Franklin, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 25, 2021 · Synced Jul 22, 2026, 10:31 PM EDT
Active, not recruiting Not applicable Interventional

The IGNITE for Kids Study on Concentrated Investment in Black Neighborhoods and Child Health and Well-Being

NCT05760001
View directory record Official record
Conditions
Financial Stress, Economic Problems, Environmental Exposure, Health Behavior, Health, Subjective, Mental Health Wellness
Interventions
Assigned Interventions
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
3 Years to 19 Years
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional

Neurotrack Virtual Cognitive Health Study

NCT02969460
View directory record Official record
Conditions
Subjective Cognitive Decline
Interventions
Neurotrack Virtual Cognitive Health Program
Behavioral
Lead sponsor
Evidation Health
Industry
Eligibility
60 Years to 75 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
San Mateo, California
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Jul 22, 2026, 10:31 PM EDT
Recruiting No phase listed Observational

Tinnitus Patient Preferences Survey

NCT06782308
View directory record Official record
Conditions
Tinnitus, Subjective, Tinnitus, Bilateral, Tinnitus, Noise Induced, Tinnitus, Hearing Loss, Cochlear Implant Users
Interventions
Survey using a questionnaire.
Other
Lead sponsor
Nicolas Gninenko
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Wellness Intervention for Nurses Post Traumatic Growth and Selfcare

NCT06674876
View directory record Official record
Conditions
Trauma, Psychological, Moral Injury, Compassion Fatigue
Interventions
Blog writing
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Exposure to a Single-electrode Electroencephalography-guided Binaural Beat Audio Track on Sustained Attention and Subjective Well-being Among Healthy Adults

NCT07165899
View directory record Official record
Conditions
Psychomotor Speed, Sustained Attention, Inhibitory Control, Memory Encoding, Well-being
Interventions
EEG-Guided Binaural Beat Audio, Sham Control
Behavioral
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Jul 22, 2026, 10:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Variations in Caffeinated Beverages on Well-being

NCT07404254
View directory record Official record
Conditions
Healthy, Caffeine, Beverage Intake
Interventions
Caffeinated, low sugar beverage, Caffeinated beverage, Control beverage
Other
Lead sponsor
GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.
Industry
Eligibility
18 Years to 55 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Not listed Not applicable Interventional

Electronic Memory and Management Aid

NCT05696756
View directory record Official record
Conditions
Subjective Cognitive Complaints, Mild Cognitive Impairment
Interventions
Personalized Web-based training for EMMA app, Motivational Interviewing: Clinician Support
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
50 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Pullman, Washington
Source: ClinicalTrials.gov public record
Updated Jan 24, 2023 · Synced Jul 22, 2026, 10:31 PM EDT
Active, not recruiting Not applicable Interventional

Internet-based Mind-Body Training for Brain Health

NCT07019402
View directory record Official record
Conditions
Subjective Cognitive Decline
Interventions
Internet-based Mindfulness-Based Stress Reduction (iMBSR), Internet-based Lifestyle Education (iLifeEd)
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
50 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Enrolling by invitation No phase listed Observational

Developing Evidence to Inform Regulatory Policy on Nicotine Content in E-Liquids

NCT06619964
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Not listed
Lead sponsor
Rochester Institute of Technology
Other
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Jul 22, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brain Health Program for Older Adults With Subjective Cognitive Decline

NCT05934136
View directory record Official record
Conditions
Memory Loss (Excluding Dementia), Healthy Lifestyle, Risk Reduction Behavior
Interventions
My Healthy Brain 1, My Healthy Brain 2
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Jul 22, 2026, 10:31 PM EDT