Independent directory Public ClinicalTrials.gov records United States
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Showing 529–552 of 1,073 matching trials from the live ClinicalTrials.gov search.
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
Anxiety, Depression, Quality of Life
Interventions
Managing Anxiety from Cancer (MAC)
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
New York, New York
Recruiting No phase listed Observational Accepts healthy volunteers

Genetic Studies of Early-onset Dementia

NCT04906863
Conditions
Dementia, Early Onset, Alzheimer Dementia (AD), Mild Cognitive Impairment (MCI), Memory Loss
Interventions
Blood draw, Neurocognitive testing, Medical questionnaire
Genetic · Other
Lead sponsor
Columbia University
Other
Eligibility
35 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2028
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational Results available

Cognition in Patients With Hypoglycemia, Without Diabetes

NCT04430582
Conditions
Hypoglycemia, Cognition
Interventions
Cognitive Assessment (not diagnostic), ECG
Other · Diagnostic Test
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 70 Years
Enrollment
22 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Digital STEADI Efficacy

NCT07852650
Conditions
Fall, Mild Cognitive Impairment (MCI), Aging
Interventions
Digital STEADI-1, STEADI Standard of Care, Digital STEADI-2, Attentional control
Behavioral
Lead sponsor
Friendi.fi Corporation
Industry
Eligibility
50 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Smoking Cessation, Smoking
Interventions
smokeSCREEN web-based game
Device
Lead sponsor
Yale University
Other
Eligibility
10 Years to 16 Years
Enrollment
560 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Alzheimer Disease
Interventions
ADRD Care Delivery Protocol
Other
Lead sponsor
VA Pittsburgh Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Psychological Distress, Loneliness
Interventions
Happify
Behavioral
Lead sponsor
Happify Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
890 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Conditions
Down Syndrome
Interventions
Memantine, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 32 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Alpha Hope Dietary Supplement on Health and Cognitive Performance

NCT05589051
Conditions
Cognitive Change
Interventions
Drink
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
40 Years to 70 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
End Stage Renal Disease, Chronic Kidney Disease
Interventions
Cognitive Function Testing-10 Tests, Sleep Assessment Testing, Periodic Leg Movement Syndrome Assessment
Other
Lead sponsor
Satellite Healthcare
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Mountain View, California
Conditions
Stroke, Gait, Hemiplegic, Hemiplegia
Interventions
Treadmill gait training with GaitBetter, Treadmill gait training with GaitBetter + Standard of care, Standard of care
Device · Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Cognitive Impairment, End-Stage Renal Disease
Interventions
Aerobic Exercise, Standard Care Dialysis
Other · Procedure
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
20 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Kansas City, Kansas
Completed Phase 4 Interventional Accepts healthy volunteers

The Effect of Tablet Size on Cognitive Performance Caffeine

NCT03694886
Conditions
Placebo Effect
Interventions
Caffeine Anhydrous with small sucrose pill, Placebo - large sucrose pill, Caffeine Anhydrous with large sucrose pill, Placebo - small sucrose pill
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Memory
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
65 Years and older
Enrollment
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Atlanta, Georgia
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Armodafinil on Simulated Driving

NCT02468856
Conditions
Healthy Volunteers
Interventions
armodafinil, Placebo (for armodafinil)
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 35 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Stroke, TIA, Ischemic Stroke, Ischemic
Interventions
Medical Imaging
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
30 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Ultra-Processed Food Intake, Obesity & Overweight
Interventions
Introductory Educational Workshop, Standard Dietary Change (ON/OFF), Cognitive Dissonance Strategies (ON/OFF)
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Springfield, Oregon
Conditions
Down Syndrome
Interventions
No Intervention
Other
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
6 Years to 11 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Tucson, Arizona • Boston, Massachusetts • Durham, North Carolina
Completed No phase listed Observational Accepts healthy volunteers Results available

Preoperative Cognitive Screening in Older Spinal Surgical Patients

NCT02922634
Conditions
Cognitive Impairment, Frail Elderly Syndrome
Interventions
Mini Cog
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
70 Years and older
Enrollment
229 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Enhancing Medication-based Analgesia in Humans

NCT02901275
Conditions
Pain, Cannabis, Opioid Use, Unspecified
Interventions
Within-subject test of blinded study medications
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Colorectal Cancer
Interventions
mHealth Coping Skills Training for Symptom Management (mCOPE)
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Durham, North Carolina
Conditions
Mild Traumatic Brain Injury
Interventions
Multimodal Assessment
Diagnostic Test
Lead sponsor
Clea Tucker
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Timeline
2021
U.S. locations
1
States / cities
Los Angeles, California
Conditions
HIV Infections, STI, HIV Pre-exposure Prophylaxis
Interventions
Combine mobile app, Motivational interview, HIV/STI testing
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
473 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia