Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 9, 2026, 8:32 PM EDT

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Showing 1–24 of 589 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
PTSD, Obesity
Interventions
HARPP, control arm for HARPP trial
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Seattle, Washington
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Efficient Brain Study

NCT02771366
Conditions
Metabolism - Cerebral Energy
Interventions
Fermented Papaya Preparation, Granulated Sugar
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Osmotic Release Methylphenidate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Study To Analyze Memory/Thinking Problems In Older Adults After Surgery

NCT01786577
Conditions
Post-Operative Cognitive Decline in Older Adults
Interventions
Magnetic Resonance Imaging, Cognitive assessment testing
Other · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
60 Years and older
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Breast Cancer
Interventions
anastrozole, letrozole, questionnaire administration, cognitive assessment, psychosocial assessment and care
Drug · Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
65 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Duarte, California
Completed Not applicable Interventional Accepts healthy volunteers

Norms Expansion and Validation for IntelliSpace Cognition

NCT04729257
Conditions
Cognitive Functioning of Healthy Individuals
Interventions
Philips IntelliSpace Cognition (ISC)., Paper-Pencil Tests.
Device · Diagnostic Test
Lead sponsor
Philips Electronics Nederland B.V. acting through Philips CTO organization
Industry
Eligibility
18 Years to 95 Years
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Newtown Square, Pennsylvania
Recruiting Not applicable Interventional Accepts healthy volunteers

Effectiveness of Cognitive Training in Older and Younger Adults

NCT06375681
Conditions
Cognitive Change
Interventions
Visual and / or Auditory Cognitive Tasks (1), Visual and / or Auditory Cognitive Tasks (2)
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 85 Years
Enrollment
1,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
3
States / cities
Riverside, California • Boston, Massachusetts • Madison, Wisconsin
Conditions
Nonsmall Cell Lung Cancer, Performance Status
Interventions
Pembrolizumab, Atezolizumab, Cemiplimab-Rwlc, Carboplatin, Paclitaxel, Nab paclitaxel, Pemetrexed, Cisplatin, Quality of Life Questionnaire, lung cancer-specific (QLQ-LC13), QLQ-C30 Global Health/Quality of Life Questionnaire, COPD Assessment Test and modified Medical Research Council Dyspnea Patient Reported Outcomes, PROMIS and FACT-G Questionnaires, Sleep Disorder Assessments (ISI, Berlin Sleep Questionnaire)
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Major Depressive Disorder
Interventions
Neuropsychological Educational Approach to Cognitive Remediation (NEAR, termed Cognitive Remediation plus Bridging)
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Healthy Volunteers
Interventions
Rhodiola rosea (low dose), Rhodiola rosea (high dose), Placebo capsules
Dietary Supplement
Lead sponsor
Jacksonville State University
Other
Eligibility
18 Weeks to 40 Weeks
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Jacksonville, Alabama
Conditions
Any Chronic, Non-traumatic Orthopedic Condition
Interventions
LLM-facilitated cognitive debiasing aid
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Austin, Texas
Completed Not applicable Interventional Accepts healthy volunteers

CatchU: A Quantitative Multisensory Falls-Assessment Study

NCT05544760
Conditions
Fall Injury, Age Problem, Well Aging, Sensory Disorders
Interventions
CatchU Intervention
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
65 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
White Plains, New York
Not listed No phase listed Observational Accepts healthy volunteers

Brain Imaging in Early Psychosis

NCT03932188
Conditions
Mental Health Issue (E.G., Depression, Psychosis, Personality Disorder, Substance Abuse)
Interventions
Mental Health Assessments and Computerized Cognitive Test, MRI scan
Behavioral · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
13 Years to 25 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Breast Cancer, Cognitive/Functional Effects, Fatigue, Long-term Effects Secondary to Cancer Therapy in Adults
Interventions
assessment of therapy complications, cognitive assessment, fatigue assessment and management
Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Cleveland, Ohio
Conditions
Mild Cognitive Impairment (MCI), Cognitive Dysfunction, Cognitive Disorder, Memory Problems
Interventions
Sabroxy™ (Oroxylum indicum extract), Placebo
Dietary Supplement · Other
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
60 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Conditions
Eating Disorders
Interventions
N-back, White Bear Task
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Cognition, Cognition Disorders, Cognition - Other, Dementia, Alzheimer Disease, Memory, Neurocognition
Interventions
Voice-based Cognitive Testing
Diagnostic Test
Lead sponsor
The Neurology Center of Southern California
Other
Eligibility
18 Years to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Carlsbad, California
Completed Not applicable Interventional Accepts healthy volunteers

Reliability and Validity of Online Cognitive Assessments

NCT02382393
Conditions
Healthy Volunteers
Interventions
Brain Performance Test (BPT, Lumos Labs, Inc), Computerized Assessment
Other
Lead sponsor
Lumos Labs, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
1,152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
San Francisco, California
Conditions
COVID-19, Long Haul
Interventions
Ritonavir-Boosted Nirmatrelvir (Paxlovid), Physiological Evaluation, Moderna COVID-19 Vaccine, Biopsychological, Behavioral (e.g., Psychotherapy, Lifestyle Counseling), Genetic (including gene transfer, stem cell and recombinant DNA), Multidisciplinary approach
Drug · Diagnostic Test · Biological + 3 more
Lead sponsor
Well- Konnect Healthcare Services and Research Firm
Network
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Mild Cognitive Impairment, Dementia
Interventions
TabCAT Brain Health Assessment Clinical Pathway
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
180,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Pasadena, California
Conditions
Primary Central Nervous System Lymphoma
Interventions
Cognitive Assessment, Obinutuzumab, Quality of Life Assessment
Procedure · Biological · Other
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
7
States / cities
New York, New York • Cleveland, Ohio • Portland, Oregon + 4 more
Completed Not applicable Interventional Accepts healthy volunteers

Optimal Metabolic Health Through Continuous Glucose Monitoring

NCT04920058
Conditions
Metabolic Syndrome
Interventions
Continuous Glucose Monitor, <Active Comparator?>
Device · Other
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 69 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Wesley Chapel, Florida
Conditions
Heart Defects, Congenital, Cardiovascular Disease Other
Interventions
Physical Activity Monitoring, Tailored Exercise Prescription, Healthy Lifestyle Education, Physical Activity Lifestyle Intervention Informed by the Theory of Planned Behavior
Behavioral
Lead sponsor
Jamie Jackson
Other
Eligibility
15 Years to 25 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Breast Cancer, Chemotherapeutic Agent Toxicity, Cognitive/Functional Effects, Fatigue, Long-term Effects Secondary to Cancer Therapy in Adults, Neurotoxicity, Psychosocial Effects of Cancer and Its Treatment
Interventions
trastuzumab, aromatase inhibition therapy, carboplatin, cyclophosphamide, docetaxel, doxorubicin hydrochloride, metabolic assessment, questionnaire administration, study of socioeconomic and demographic variables, cognitive assessment, positron emission tomography, fludeoxyglucose F 18
Biological · Drug · Other + 2 more
Lead sponsor
University of California, San Francisco
Other
Eligibility
35 Years to 80 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
San Francisco, California