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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Probiotics in Stressed Adolescents

NCT07565883
View directory record Official record
Conditions
Cognitive Ability, General, Immune System Function, Emotions
Interventions
Probiotics, placebo
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
12 Years to 20 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 23, 2026, 7:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neuropsychological Evaluation of Psychiatric and Neurological Patients

NCT00001192
View directory record Official record
Conditions
Anxiety Disorder, Head Injury, Mood Disorder, Schizophrenia, Seizures
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Up to 95 Years
Enrollment
4,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1983 – 2006
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Guayusa Extract on Exercise Training

NCT05820399
View directory record Official record
Conditions
Desire to Exercise, Exercise Training, Physical Exertion
Interventions
Organic Guayusa Extract, Placebo
Dietary Supplement
Lead sponsor
Nathaniel Jenkins
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional

Exercise Rehabilitation of Younger and Older People With Claudication

NCT00654810
View directory record Official record
Conditions
Intermittent Claudication
Interventions
Walking Exercise
Behavioral
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
45 Years to 90 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2000
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2008 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Study To Assess Esreboxetine's Effect On Concentration, Memory, Decision Making And Problem Solving In Patients With Fibromyalgia.

NCT00752505
View directory record Official record
Conditions
Fibromyalgia
Interventions
Esreboxetine
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
7
States / cities
Destin, Florida • Fort Walton Beach, Florida • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2018 · Synced Jul 23, 2026, 7:01 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of Preksha Meditation on Cognitive Abilities and Pulmonary Function in Students

NCT03779269
View directory record Official record
Conditions
Inattention and Memory, Affect
Interventions
meditation
Other
Lead sponsor
Orlando Regional Medical Center
Other
Eligibility
18 Years to 24 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
2
States / cities
Miami Beach, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of a New Emulsion in Dry Eye Patients on Tear Layer Aberrometry, Contrast Sensitivity, and Reading Ability

NCT01013077
View directory record Official record
Conditions
Dry Eye Syndrome
Interventions
Optive, Soothe, New Emulsion, Soothe, New Emulsion, Optive, New Emulsion, Optive, Soothe
Other
Lead sponsor
Southern California College of Optometry at Marshall B. Ketchum University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Fullerton, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Jul 23, 2026, 7:01 AM EDT
Recruiting No phase listed Observational

Using MRI To Detect Soft Tissue Reactions And Implant Integration As Related To Implant Modularity

NCT02255331
View directory record Official record
Conditions
Complications; Arthroplasty, Complications; Arthroplasty, Mechanical
Interventions
Not listed
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
21 Years to 95 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Jul 23, 2026, 7:01 AM EDT
Terminated Not applicable Interventional

Improving Functional Ability in Chronic TBI With Intensive Rehabilitation Robotic Gait Training

NCT03438409
View directory record Official record
Conditions
TBI (Traumatic Brain Injury)
Interventions
Robotic gait training
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 5, 2018 · Synced Jul 23, 2026, 7:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Influences Between Cognitive Function and BMI

NCT03116334
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 15 Years
Enrollment
869 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Jul 23, 2026, 7:01 AM EDT
Completed No phase listed Observational

Genetic Susceptibility to Radiation-Induced Skin Reactions in Racial/Ethnic Groups of Patients With Breast Cancer

NCT01407770
View directory record Official record
Conditions
Breast Cancer, Cognitive Ability, General, Fatigue, Pain, Psychosocial Deprivation, Radiation Toxicity, Skin Abnormalities
Interventions
DNA analysis, gene expression analysis, enzyme-linked immunosorbent assay, flow cytometry, laboratory biomarker analysis, questionnaire administration, adjuvant therapy, assessment of therapy complications, quality-of-life assessment, 3-dimensional conformal radiation therapy, breast irradiation, external beam radiation therapy, hypofractionated radiation therapy, intensity-modulated radiation therapy, whole breast irradiation
Genetic · Other · Procedure + 1 more
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of an Easy to Read Advance Directive Versus a Standard Advance Directive

NCT00328055
View directory record Official record
Conditions
Aging
Interventions
AD-Easy (Advance Directive-Easy), AD-Standard (Advance Directive-Standard)
Behavioral
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 24, 2011 · Synced Jul 23, 2026, 7:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

AB Gait Estim Neurophysiology

NCT06430164
View directory record Official record
Conditions
Gait
Interventions
Gait Training, Functional electrical stimulation (FES), Peripheral electrical stimulation paired with cortical magnetic stimulation pulses
Other · Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Memory and Cognitive Performance Study

NCT04025255
View directory record Official record
Conditions
Cognitive Function, Memory, Brain Health
Interventions
Braini, Placebo
Dietary Supplement
Lead sponsor
Vita Naturel, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Asheville, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 20, 2022 · Synced Jul 23, 2026, 7:01 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

EEG-Guided Binaural Beat Audio to Reduce Performance-Related Stress and Improve Cognition

NCT07407426
View directory record Official record
Conditions
Cognitive Abilities, Performance, Stress, Cognitive Performance
Interventions
EEG-guided binaural beat audio, Non-binaural audio intervention
Other
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Ability of Pecan Consumption to Improve Vascular Function and Reduce Chronic Disease Risk in Aging Adults

NCT04385537
View directory record Official record
Conditions
Aging
Interventions
PECAN
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced Jul 23, 2026, 7:01 AM EDT
Withdrawn No phase listed Observational

A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Autism

NCT04100863
View directory record Official record
Conditions
Autism, Autism Spectrum Disorder, Autistic Disorder, Autism, Akinetic, Autism; Atypical, Autism; Psychopathy, Autism Fragile Syndrome X, Autism With High Cognitive Abilities, Autism-Related Speech Delay, Autism, Susceptibility to, 6, Autism Spectrum Disorder High-Functioning, Autistic Thinking, Autism, Susceptibility to, X-Linked 6, Autistic Behavior
Interventions
No Intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
6 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jul 23, 2026, 7:01 AM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Automated IADL Sensing to Refine Measurement of Older Adult Daily Activity

NCT07585864
View directory record Official record
Conditions
Cognitive Ability General, Functional Abilities
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
75 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Ability of Osteopathic Structural Evaluation to Assess Gait

NCT04860999
View directory record Official record
Conditions
Osteopathic Manipulation, Postural; Defect, Somatic; Functional Disturbance
Interventions
Osteopathic Manipulative Treatment
Procedure
Lead sponsor
Edward Via Virginia College of Osteopathic Medicine
Other
Eligibility
18 Years to 35 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional

Plant Exosomes +/- Curcumin to Abrogate Symptoms of Inflammatory Bowel Disease

NCT04879810
View directory record Official record
Conditions
Irritable Bowel Disease
Interventions
Sigmoidoscopy and biopsy, blood work
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Not applicable Interventional

Mindfulness and Yoga or Resistance Exercise Training Fpr Parkinson's Patients

NCT05513534
View directory record Official record
Conditions
Resistance Training, Yoga
Interventions
Yoga, High-speed Resistance Training
Other
Lead sponsor
University of Miami
Other
Eligibility
30 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Jul 23, 2026, 7:01 AM EDT
Active, not recruiting Phase 2 Interventional

Improving Physical Ability and Cellular Senescence Elimination in HIV

NCT07144293
View directory record Official record
Conditions
HIV, Frailty, Prefrail, Aging Problems
Interventions
Dasatinib, Quercetin, Placebo - Dasatinib, Placebo - Quercetin
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
50 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
25
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 23, 2026, 7:01 AM EDT
Completed Phase 4 Interventional

DMP115 in Patients With an Ejection Fraction Between 25%-40% to Evaluate the Use of Contrast Echocardiography to Assess Heart Function

NCT00401687
View directory record Official record
Conditions
Ventricular Ejection Fraction
Interventions
Definity® Vial for (Perflutren Lipid Microsphere) Injectable Suspension
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
10
States / cities
Tucson, Arizona • Chicago, Illinois • Washington DC, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated May 19, 2011 · Synced Jul 23, 2026, 7:01 AM EDT
Completed No phase listed Observational Results available

Predictors of the Ability to Protect the Airway in Long-term Ventilated Patients

NCT01618240
View directory record Official record
Conditions
Swallowing Disorder, Aspiration, Long Term Ventilation
Interventions
Muscle Strength Measurement, Ventilator
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 12, 2014 · Synced Jul 23, 2026, 7:01 AM EDT