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Showing 433–456 of 1,368 matching trials from the live ClinicalTrials.gov search.
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Analysis of 18F-AV-1451 PET Imaging in Cognitively Healthy, MCI, and AD Subjects

NCT02016560
Conditions
Alzheimer's Disease
Interventions
florbetapir F 18, Flortaucipir F18, Brain PET Scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
20 Years and older
Enrollment
383 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
27
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Sun City, Arizona + 20 more
Conditions
Mild Cognitive Impairment, Dementia, Alzheimer's Disease
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
65 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Mild Cognitive Impairment
Interventions
Motivationally-Enhanced Compensatory Cognitive Training (ME-CCT) Booster Modules, Treatment As Usual
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
55 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
San Diego, California
Conditions
Alzheimer Disease, Mild Cognitive Impairment (MCI), Subjective Cognitive Decline (SCD)
Interventions
natural product combination-1 (NPC1)
Combination Product
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson Disease, Mild Cognitive Impairment
Interventions
Strategy Training (Time- and Event- Based)
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Practice Effects and Amyloid Imaging Using 18F-PIB or Flutemetamol PET and FDG-PET

NCT01202994
Conditions
Alzheimer's Disease
Interventions
18F-Flutemetamol
Drug
Lead sponsor
University of Utah
Other
Eligibility
65 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Terminated No phase listed Observational

Ammonia Levels and Cognitive Impairment

NCT02059356
Conditions
Dementia, Cognitive Decline, Cognitive Impairment, Developmental Delay
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Durham, North Carolina
Completed No phase listed Observational Accepts healthy volunteers

Neurocognitive Outcomes of Depression in the Elderly

NCT00570583
Conditions
Major Depression, Dementia
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
795 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Mild Cognitive Impairment
Interventions
Nicotine Transdermal Patch, Placebo Patch
Drug
Lead sponsor
University of Southern California
Other
Eligibility
55 Years to 90 Years
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
36
States / cities
Scottsdale, Arizona • North Little Rock, Arkansas • Downey, California + 31 more
Completed Not applicable Interventional

Key Nutrients and Mental Health

NCT03336125
Conditions
Mental Health Impairment
Interventions
Vitamin D, Placebo
Dietary Supplement
Lead sponsor
University of Bergen
Other
Eligibility
18 Years and older · Male only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Mauston, Wisconsin
Conditions
Critical Illness, Mechanical Ventilation Complication, Delirium, Cognitive Impairment
Interventions
Post-ICU Problem Solving
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
55 Years to 89 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Results available

Accelerating Word Learning in Children With Language Impairment

NCT01829360
Conditions
Specific Language Impairment
Interventions
Treatment (interactive book reading, dialogic reading, shared book reading)
Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
5 Years to 6 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Lawrence, Kansas
Conditions
Parkinson Disease, Cognitive Impairment
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Migraine Headache, Cognitive Impairment
Interventions
Treximet, Migraine rescue medication of choice
Drug
Lead sponsor
Neurological Research Center
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Bennington, Vermont
Completed No phase listed Observational

DHS MIND Metabolomics

NCT03975309
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
417 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Minocycline in Patients With Alzheimer's Disease

NCT01463384
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Minocycline
Drug
Lead sponsor
Huntington Medical Research Institutes
Other
Eligibility
55 Years to 90 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Pasadena, California
Active, not recruiting Phase 1 Interventional

rTMS in Older Adults With MCI and AUD

NCT05896332
Conditions
Alcohol Use Disorder, Mild Cognitive Impairment, Transcranial Magnetic Stimulation
Interventions
Active, Open Label iTBS-rTMS
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
60 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Charleston, South Carolina
Terminated No phase listed Observational Accepts healthy volunteers

Brain Imaging for HIV-Associated Thinking and Mood Disorders

NCT01692236
Conditions
Human Immunodeficiency Virus, Neurocognitive Impairment
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
25 Years to 61 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Sapphire II, Aftobetin-HCl, Positron Emission Tomography
Device · Drug · Radiation
Lead sponsor
Cognoptix, Inc.
Industry
Eligibility
25 Years to 90 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
West Palm Beach, Florida
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
low carbohydrate/high fat diet, low fat/high carbohydrate diet
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years to 85 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Phenytoin and Driving Safety: A Randomized, Controlled Cross-Over Study

NCT00581893
Conditions
Cognitive Measures, Driving Simulator Performance
Interventions
Phenytoin, Placebo oral capsule
Drug
Lead sponsor
University of Iowa
Other
Eligibility
25 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Iowa City, Iowa
Completed No phase listed Observational

L-5-HTP-Related EMS

NCT00001918
Conditions
Eosinophilia-Myalgia Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 2 Interventional Results available

Nicotinamide as an Early Alzheimer's Disease Treatment

NCT03061474
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Nicotinamide, Placebo Comparator
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
50 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
Irvine, California • Los Angeles, California
Conditions
Breast Cancer, Obesity
Interventions
Not listed
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbus, Ohio