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ClinicalTrials.gov public records Last synced Jul 21, 2026, 7:11 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Conditions
Diabetes Mellitus
Interventions
Pulsatile IV insulin therapy, Effects of Pulsatile IV Insulin on Cognitive functions
Procedure
Lead sponsor
Florida Atlantic University
Other
Eligibility
21 Years to 85 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Boca Raton, Florida
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
GW679769, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
7
States / cities
San Diego, California • Atlanta, Georgia • New York, New York + 4 more
Conditions
Aphasia, Acquired
Interventions
Online aphasia-adapted physical activity class
Behavioral
Lead sponsor
California State University, East Bay
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hayward, California
Conditions
Brain and Central Nervous System Tumors, Cognitive/Functional Effects, Long-term Effects Secondary to Cancer Therapy in Adults, Long-term Effects Secondary to Cancer Therapy in Children, Poor Performance Status, Unspecified Adult Solid Tumor, Protocol Specific, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
irinotecan hydrochloride, cognitive assessment, management of therapy complications, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
University of California, Davis
Other
Eligibility
1 Year to 120 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Sacramento, California
Conditions
Alcohol Aftereffects, Anxiety, Cognitive Impairment
Interventions
JoyRise Recovery Powder, Placebo
Dietary Supplement
Lead sponsor
Joyrise
Industry
Eligibility
35 Years to 54 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Hypogonadism, Gender Identity Dysphoria
Interventions
Fortesta, Estradiol
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Endurance Cycling Performance
Interventions
Diet
Other
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Performance Enhancement
Interventions
Transcranial direct current stimulation
Device
Lead sponsor
United States Army Aeromedical Research Laboratory
Federal
Eligibility
18 Years to 40 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Rucker, Alabama
Recruiting Not applicable Interventional Accepts healthy volunteers

Optimized Tailored Interventions in Metabolic and Lifestyle Outcomes (OPTIMAL)

NCT06605898
Conditions
Cognitive Change, Diet, Healthy, Metabolic Syndrome, Protection Against
Interventions
MIND Diet, Control Diet
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
45 Years to 64 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Urbana, Illinois
Conditions
Cirrhosis, Hepatic Encephalopathy, Hyponatremia
Interventions
Tolvaptan
Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Cognitive Ability, General
Interventions
strengthening exercise program
Behavioral
Lead sponsor
Union College, New York
Other
Eligibility
50 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Schenectady, New York
Conditions
Prediabetes, Healthy (Controls)
Interventions
Ketone Monoester (KE), Placebo
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Birmingham, Alabama
Completed Phase 1 Interventional Accepts healthy volunteers

Galantamine Effects on Cognitive Function in Marijuana Users

NCT00969696
Conditions
Memory
Interventions
Placebo, Galantamine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Cognitive/Functional Effects, Depression, Hematopoietic/Lymphoid Cancer, Malnutrition, Pain, Psychosocial Effects of Cancer and Its Treatment, Unspecified Adult Solid Tumor, Protocol Specific, Weight Changes
Interventions
medical chart review, questionnaire administration, cognitive assessment, psychosocial assessment and care, quality-of-life assessment
Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
65 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Cleveland, Ohio
Conditions
Brain Tumors, Nervous System Tumors, Cognition Disorders, Fatigue
Interventions
Armodafinil, placebo
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Effects of A-GPC on Reaction Time and Cognitive Function

NCT03903250
Conditions
Cognitive Change, Reaction Time
Interventions
A-GPC, Sugar
Dietary Supplement
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 35 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Belton, Texas
Completed No phase listed Observational Accepts healthy volunteers

Effect of Sedation on Cognitive Performance in the Elderly

NCT03089866
Conditions
Postoperative Cognitive Dysfunction
Interventions
Midazolam (0.02mg/kg)
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Metformin Effect on Brain Function in Insulin Resistant Elderly People

NCT03733132
Conditions
Insulin Resistance, Obesity, Obesity, Abdominal
Interventions
Metformin Hydrochloride, Placebo Oral Tablet
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Not listed No phase listed Observational Accepts healthy volunteers

Effect of Sleep Deprivation on Cognitive Function Among Cardiology Fellows

NCT05513339
Conditions
Wellness, Burnout, Sleep Deprivation, Executive Function
Interventions
WHOOP strap 4.0
Device
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 99 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Primary Insomnia
Interventions
CBT-I, modafinil
Behavioral · Drug
Lead sponsor
University of Rochester
Other
Eligibility
25 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rochester, New York
Conditions
Chemotherapeutic Agent Toxicity, Cognitive/Functional Effects, Lymphoma, Neurotoxicity, Radiation Toxicity
Interventions
Rituximab, Cytarabine, Methotrexate, Procarbazine, Vincristine, low-dose whole-brain radiation therapy
Biological · Drug · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
44
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 34 more
Conditions
Cancer-related Cognitive Difficulties
Interventions
Ibuprofen, Home-Based Exercise, Placebo
Drug · Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition21 Study 1

NCT04828278
Conditions
Nutritional Supplementation
Interventions
Arginine, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
College Station, Texas
Conditions
Blood Pressure
Interventions
Whey protein supplement, Carbohydrate supplement
Dietary Supplement
Lead sponsor
Syracuse University
Other
Eligibility
60 Years to 85 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Syracuse, New York