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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Attention Clear all
Completed Phase 2 Interventional

Mazindol Controlled Release in Adults With Attention Deficit Hyperactivity Disorder (ADHD)

NCT02808104
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
mazindol
Drug
Lead sponsor
NLS Pharmaceutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
7
States / cities
Newport Beach, California • Jacksonville, Florida • Marshfield, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Phase 2 Interventional

Atomoxetine for Treating Marijuana-Abusing Adolescents Who Have Attention Deficit Hyperactivity Disorder

NCT00142961
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Marijuana Abuse
Interventions
Atomoxetine, placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
14 Years to 21 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Not applicable Interventional

Dismantling Mindfulness: Contributions of Attention vs. Acceptance

NCT01831362
View directory record Official record
Conditions
Mild-moderate Unipolar Depression; Persistent Negative Affect
Interventions
Mindfulness-Based Cognitive Therapy, Focused Attention (FA), Open- Monitoring
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 65 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 4, 2018 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Trial of Aripiprazole in the Treatment of CD in Adolescents

NCT00250705
View directory record Official record
Conditions
Conduct Disorder
Interventions
Aripiprazole
Drug
Lead sponsor
University of Iowa
Other
Eligibility
13 Years to 17 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Jul 22, 2026, 5:05 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Brain Imaging of Childhood Onset Psychiatric Disorders, Endocrine Disorders and Healthy Volunteers

NCT00001246
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Schizophrenia, Attention Deficit Disorder With Hyperactivity
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
3 Years to 120 Years
Enrollment
4,274 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1990
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Not applicable Interventional

Efficacy of a Brief Behavioral Intervention to Treat ADHD and Disruptive Behaviors In Preschoolers

NCT01919073
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Attention Deficit and Disruptive Behavior Disorders
Interventions
Immediate Treatment Group, Delayed Treatment Group
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 5 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2020 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Not applicable Interventional

Assessing Mobile Apps for Adult ADHD

NCT06256003
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
UC-A, UC-N
Device
Lead sponsor
Think Now Incorporated
Industry
Eligibility
18 Years to 50 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
2
States / cities
Berkeley, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Jul 22, 2026, 5:05 AM EDT
Terminated Phase 4 Interventional

Omega-3 Fatty Acids as an Adjunctive Therapy for Stimulants in Children With ADHD

NCT01778647
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Stimulants plus Lovaza, Stimulants plus placebo
Dietary Supplement · Drug
Lead sponsor
Antonios Likourezos
Other
Eligibility
6 Years to 15 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Phase 1 Interventional

Biomarkers of ADHD Treatment Response

NCT05650775
View directory record Official record
Conditions
ADHD
Interventions
Concerta, Adderall-XR
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
7 Years to 11 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Brookline, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Jul 22, 2026, 5:05 AM EDT
Terminated Not applicable Interventional

Pharmacogenomics for Improving Pediatric ADHD Treatment

NCT03730870
View directory record Official record
Conditions
Attention Deficit Disorders With Hyperactivity
Interventions
Pharmacogenomics report
Diagnostic Test
Lead sponsor
Clinical and Translational Genome Research Institute, Inc.
Other
Eligibility
6 Years to 18 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
3
States / cities
Hamilton, New Jersey • Mountainside, New Jersey • Toms River, New Jersey
Source: ClinicalTrials.gov public record
Updated May 17, 2020 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Sabroxy™ (Oroxylum Indicum Extract) for Improving Cognitive Function in Adults With Mild Memory Concerns

NCT07189754
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Phase 1Phase 2 Interventional

Safety, Tolerability, PK & Efficacy of V81444 in Volunteers With Attention Deficit/ Hyperactivity Disorder (ADHD)

NCT02253745
View directory record Official record
Conditions
ADHD
Interventions
V81444, Placebo
Drug
Lead sponsor
Vernalis (R&D) Ltd
Industry
Eligibility
18 Years to 50 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2016 · Synced Jul 22, 2026, 5:05 AM EDT
Withdrawn Not applicable Interventional

Attention Modulation for Treatment of Parkinson's Disease and Dementia With Lewy Bodies

NCT01256905
View directory record Official record
Conditions
Parkinsons Disease, Lewy Bodies Disease
Interventions
Armodafinil
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
50 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 22, 2021 · Synced Jul 22, 2026, 5:05 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Investigating Mediodorsal Thalamus Representations Underlying Human Cognitive Flexibility

NCT07217652
View directory record Official record
Conditions
Schizophrenia, Attention Deficit Disorder With Hyperactivity (ADHD)
Interventions
High-resolution fMRI during working memory, cognitive control, and decision-making tasks
Other
Lead sponsor
Kai Hwang
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Jul 22, 2026, 5:05 AM EDT
Recruiting Not applicable Interventional

Remotely Supervised tDCS+ for Complex Attention in mTBI (Cognetric)

NCT06413173
View directory record Official record
Conditions
Brain Concussion, Brain Trauma, Attention Concentration Difficulty, Brain Injuries, Brain Injuries, Traumatic, Neurocognitive Dysfunction, Attention Impaired, Memory Impairment, Mild Traumatic Brain Injury, Mild Cognitive Impairment, Post Concussive Symptoms
Interventions
Active tDCS and Cognitive Training Intervention, Sham tDCS and Cognitive Training Intervention
Combination Product
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
San Diego, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Jul 22, 2026, 5:05 AM EDT
Completed No phase listed Observational

Studies of Measures of Attention

NCT00776737
View directory record Official record
Conditions
Attention Deficit Disorder, Attention Deficit Hyperactivity Disorder
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
6 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety and Efficacy of GTS21 in Adults With Attention-deficit Hyperactivity Disorder

NCT00419445
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
GTS21/Placebo
Drug
Lead sponsor
CoMentis
Industry
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 9, 2010 · Synced Jul 22, 2026, 5:05 AM EDT
Terminated Phase 2 Interventional

Dopamine Receptor Imaging to Predict Response to Stimulant Therapy in Chronic TBI

NCT02148783
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
methylphenidate, Placebo
Drug
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Jul 22, 2026, 5:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Function in Performance of Motor Tasks

NCT00498329
View directory record Official record
Conditions
Brain Connectivity
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Not applicable Interventional Results available

DoD PTSD November 13 - Information Processing Modification in the Treatment of PTSD

NCT00604045
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Attention Bias Modification (ABM), Attention Control Condition (ACC)
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2014 · Synced Jul 22, 2026, 5:05 AM EDT
Completed Phase 2 Interventional

Comparing School Based Interventions for Adolescents With Attention Deficit Hyperactivity Disorder

NCT00947973
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Challenging Horizons Program (CHP) after-school model, Challenging Horizons Program (CHP) consultation model
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
11 Years to 15 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Athens, Ohio • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Jul 22, 2026, 5:05 AM EDT
Enrolling by invitation No phase listed Observational

An Investigational Study Examining the Efficacy of QbMobile in Treatment Monitoring in Individuals With ADHD

NCT07217977
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity (ADHD), Attention Deficit Disorder (ADD)
Interventions
observational study
Other
Lead sponsor
Qbtech AB
Industry
Eligibility
6 Years to 60 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
7
States / cities
Mobile, Alabama • San Jose, California • Largo, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 22, 2026, 5:05 AM EDT
Not yet recruiting No phase listed Observational

Psychotherapy for Irritability in Youth: Comparing Active Treatment to Nonactive Psychoeducation Supportive Psychotherapy

NCT07640802
View directory record Official record
Conditions
Irritability, Disruptive Mood Dysregulation Disorder, Oppositional Defiant Disorder, Attention Deficit Hyperactivity Disorder
Interventions
Psychotherapy
Behavioral
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
8 Years to 17 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2037
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 22, 2026, 5:05 AM EDT
Completed No phase listed Observational

Attention-Deficit/Hyperactivity Disorder (ADHD) Brain Activity Changes to Psychostimulants

NCT01310439
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Not listed
Lead sponsor
Hartford Hospital
Other
Eligibility
13 Years to 50 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 7, 2011 · Synced Jul 22, 2026, 5:05 AM EDT