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ClinicalTrials.gov public records Last synced Jun 10, 2026, 9:58 AM EDT

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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 4 Interventional Accepts healthy volunteers

Investigation of Locus Coeruleus Function in Sustained Attention

NCT06041048
Conditions
Attention - no Condition is Being Assessed - Healthy Adults
Interventions
Modafinil
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Sacramento, California
Conditions
ADHD
Interventions
CLONICEL (clonidine HCl sustained release), Placebo
Drug
Lead sponsor
Addrenex Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 17 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
23
States / cities
Little Rock, Arkansas • El Centro, California • Irvine, California + 18 more
Conditions
Insomnia Chronic
Interventions
Computerized Plasticity-Based Adaptive Cognitive Training, Active Comparator
Other
Lead sponsor
Posit Science Corporation
Industry
Eligibility
55 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Francisco, California
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of a Week-long Social Media Abstention on Sustained Attention Functions

NCT06114017
Conditions
Attention Difficulties
Interventions
Social Media Abstention
Behavioral
Lead sponsor
New York Institute of Technology
Other
Eligibility
18 Years to 30 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Old Westbury, New York
Conditions
Attention-deficit/Hyperactivity Disorder
Interventions
Guanfacine (sustained release)
Drug
Lead sponsor
Neurology Group of Bergen County, P.A.
Other
Eligibility
6 Years to 12 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Ridgewood, New Jersey
Active, not recruiting Not applicable Interventional Results available

Home-based Brain Stimulation Treatment for Post-acute Sequelae of COVID-19 (PASC)

NCT05092516
Conditions
Dysexecutive Syndrome, Post-Acute Sequelae of COVID-19
Interventions
Active tDCS, Sham tDCS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Attention Deficit Disorder, Attention Deficit Hyperactivity Disorder
Interventions
Centanafadine SR, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
590 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Attention Deficit Disorder, Attention Deficit Hyperactivity Disorder
Interventions
Centanafadine SR
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
662 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Culver City, California
Conditions
Attention Deficit Disorder, Attention Deficit Hyperactivity Disorder
Interventions
Centanafadine SR, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
604 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

How Virtual Reality Can Help Neurodivergent Children Improve Their Attention

NCT07341204
Conditions
Autism, Autism Disorder, ADHD - Attention Deficit Disorder With Hyperactivity, Attention Deficit Disorder
Interventions
Virtual Reality
Behavioral
Lead sponsor
New York Institute of Technology
Other
Eligibility
9 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Old Westbury, New York
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
EVO
Device
Lead sponsor
Akili Interactive Labs, Inc.
Industry
Eligibility
8 Years to 12 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
15
States / cities
Scottsdale, Arizona • Newport Beach, California • Sacramento, California + 9 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Acute Effects of Exercise in College Students With ADHD

NCT03666416
Conditions
Attention Deficit Hyperactivity Disorder, Effects of; Exertion, Working Memory, Change in Sustained Attention
Interventions
Sprint Interval Training
Behavioral
Lead sponsor
University of Wyoming
Other
Eligibility
18 Years to 29 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Laramie, Wyoming
Conditions
Psychomotor Speed, Sustained Attention, Inhibitory Control, Memory Encoding, Well-being
Interventions
EEG-Guided Binaural Beat Audio, Sham Control
Behavioral
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lubbock, Texas
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
CTN SR, Matching placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
4
States / cities
Newport Beach, California • Bradenton, Florida • Maitland, Florida + 1 more
Conditions
Adult ADHD
Interventions
CTN SR, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Bradenton, Florida • Maitland, Florida • Las Vegas, Nevada
Conditions
Fall, Gait, Unsteady, Mobility Limitation
Interventions
Transcranial direct current stimulation (tDCS) (active), Transcranial direct current stimulation (tDCS) (Sham)
Device
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
65 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Phytochemicals From Theobroma Cacao on Mental Energy

NCT01651793
Conditions
Mental Fatigue
Interventions
Caffeinated cocoa, Cocoa, Caffeine, Placebo
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 34 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Recruiting Phase 2 Interventional Accepts healthy volunteers

Acute Effects of Stimulant Medication in College Students With ADHD

NCT03935646
Conditions
Attention Deficit Hyperactivity Disorder, Stimulant Use, Working Memory, Change in Sustained Attention, Mood
Interventions
Adderall IR 10mg, Placebo
Drug
Lead sponsor
University of Wyoming
Other
Eligibility
18 Years to 29 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Laramie, Wyoming
Conditions
Insomnia
Interventions
Computerized Plasticity-Based Adaptive Cognitive Training, Commercially available computerized training
Other
Lead sponsor
Posit Science Corporation
Industry
Eligibility
55 Years to 80 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
San Francisco, California
Conditions
Brain Tumor
Interventions
IR Methylphenidate, Modafinil, SR Methylphenidate
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Houston, Texas
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
high dose clonidine HCl sustained release, low dose clonidine HCl sustained release, placebo
Drug
Lead sponsor
Addrenex Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 17 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
13
States / cities
Gainesville, Florida • Jacksonville, Florida • Miami, Florida + 9 more
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
CLONICEL (Clonidine HCl sustained release)
Drug
Lead sponsor
Shionogi
Industry
Eligibility
6 Years to 17 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
27
States / cities
Little Rock, Arkansas • El Centro, California • Irvine, California + 23 more