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Showing 1–24 of 857 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Attention-deficit Hyperactivity Disorder Clear all
Completed Phase 2 Interventional

COMT Inhibition Among Individuals With Comorbid AUD/ADHD

NCT03904498
View directory record Official record
Conditions
Alcohol Use Disorder, Attention Deficit Hyperactivity Disorder
Interventions
Tolcapone, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 3, 2026, 7:58 PM EDT
Active, not recruiting Not applicable Interventional

Interventions for English Language Learners At-Risk for ADHD

NCT05918991
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Daily Report Card, Language Intervention
Behavioral · Other
Lead sponsor
Florida International University
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 3 Interventional

Comparison of Atomoxetine Plus Either Comparator or Placebo in Children With ADHD Who Haven't Responded to Stimulant Therapy

NCT00485550
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Atomoxetine Hydrochloride, Methylphenidate Hydrochloride, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
6 Years to 12 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 12, 2007 · Synced Sep 3, 2026, 7:58 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Transcranial Direct Current Stimulation (tDCS) Neuromodulation of Executive Function Across Neuropsychiatric Populations

NCT04296604
View directory record Official record
Conditions
Traumatic Brain Injury, Major Depressive Disorder, Bipolar Disorder, Schizophrenia, Attention Deficit Hyperactivity Disorder, Borderline Personality Disorder, Substance Use Disorders
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 3, 2026, 7:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neuroimaging of Smokers With and Without Attention Deficit Hyperactivity Disorder (ADHD)

NCT01123668
View directory record Official record
Conditions
Smoking, ADHD
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Sep 3, 2026, 7:58 PM EDT
Not yet recruiting No phase listed Observational

MOCHA: Embedded Inpatient Mental Health Care for High-Risk Perinatal Patients

NCT07540585
View directory record Official record
Conditions
Anxiety Disorders, Stress Disorders, Post-Traumatic, Pregnancy, High Risk, Depressive Disorder, Major, Pregnancy Complications, ADHD - Attention Deficit Disorder With Hyperactivity
Interventions
Collaborative Mental Health Care Program (CMHCP)
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 3, 2026, 7:58 PM EDT
Not yet recruiting Phase 4 Interventional

EEG Biomarkers for ADHD Stimulant Treatment

NCT07650643
View directory record Official record
Conditions
ADHD
Interventions
methylphenidate HCl, Mixed amphetamine salts extended release
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
7 Years to 11 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Brookline, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 4 Interventional Results available

Large-scale Brain Organization During Cognitive Control in ADHD

NCT04349917
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate, Placebo
Drug · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
8 Years to 12 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Not applicable Interventional

Evaluating Stress Management Strategies Within the School Readiness Parenting Program

NCT06626750
View directory record Official record
Conditions
Parenting, Stress, Disruptive Behavior Disorder, Parent-Child Relations, ADHD
Interventions
Summer Treatment Program for Pre-Kindergarteners and Kindergarteners, School Readiness Parenting Program (SRPP), Cognitive Behavioral Therapy (CBT)
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
4 Years to 6 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pharmacokinetics of HLD200 in Children and Adolescents With ADHD

NCT01907360
View directory record Official record
Conditions
Attention-Deficit Hyperactivity Disorder
Interventions
HLD200 (methylphenidate hydrochloride)
Drug
Lead sponsor
Ironshore Pharmaceuticals and Development, Inc
Other
Eligibility
6 Years to 17 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 22, 2021 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 2 Interventional

A Dose-Ranging Study of the Efficacy of ABT-894 in Adults With Attention-Deficit/Hyperactivity Disorder (ADHD)

NCT00429091
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder, ADHD
Interventions
ABT-894, atomoxetine, placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 60 Years
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
22
States / cities
San Francisco, California • Wildomar, California • Orlando, Florida + 19 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2010 · Synced Sep 3, 2026, 7:58 PM EDT
Terminated Early Phase 1 Interventional Results available

Amiloride Hydrochloride as an Effective Treatment for ADHD

NCT01733680
View directory record Official record
Conditions
ADHD
Interventions
amiloride, Behavioral
Drug · Behavioral
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jul 19, 2018 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 4 Interventional

Medication Strategies for Treating Aggressive Behavior in Youth With Attention Deficit Hyperactivity Disorder

NCT00228046
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Conduct Disorder, Oppositional Defiant Disorder
Interventions
Divalproex Sodium, Methylphenidate, Dextroamphetamine, Mixed Amphetamine Salts, Family Counseling, Behavior Management Training with Parents
Drug · Behavioral
Lead sponsor
Stony Brook University
Other
Eligibility
6 Years to 14 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
2
States / cities
New Hyde Park, New York • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Sep 3, 2026, 7:58 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

The Effects of Cannabigerol on Attention-Deficit/Hyperactivity Disorder

NCT06115603
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
Cannabigerol, Placebo
Drug · Other
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 55 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 4 Interventional Results available

Neuroimaging of the Effects of Concerta in the Treatment of ADHD

NCT00778310
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
methylphenidate-OROS, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
9 Years to 25 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 12, 2012 · Synced Sep 3, 2026, 7:58 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Preventing Behavior Problems in Children With ADHD

NCT00057668
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Multi-Setting Early Intervention, Community Intervention
Behavioral
Lead sponsor
Lehigh University
Other
Eligibility
3 Years to 5 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2013 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Evaluation of Immediate-Release Viloxazine in Adults With ADHD

NCT01107496
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder (ADHD)
Interventions
IR Viloxazine, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
4
States / cities
Bradenton, Florida • Libertyville, Illinois • Owensboro, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Yoga on Attention, Impulsivity and Hyperactivity in Pre-school Age Children

NCT02642666
View directory record Official record
Conditions
ADHD
Interventions
Children's Yoga
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
3 Years to 5 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 4 Interventional Results available

Treatment of Attention-Deficit/Hyperactivity Disorder (ADHD) With Atomoxetine in Young Adults and Its Effects on Functional Outcomes

NCT00510276
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Atomoxetine hydrochloride, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 30 Years
Enrollment
445 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
27
States / cities
Los Angeles, California • Rolling Hills Est., California • Spring Valley, California + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2010 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Medication Integration in Treatment of Comorbid Adolescent Substance Users/Attention Deficit Hyperactivity Disorder

NCT01369459
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Attention Deficit Disorder
Interventions
MIP Protocol
Behavioral
Lead sponsor
The National Center on Addiction and Substance Abuse at Columbia University
Other
Eligibility
13 Years to 17 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Sep 3, 2026, 7:58 PM EDT
Recruiting Phase 4 Interventional

AWARE: Management of ADHD in Autism Spectrum Disorder

NCT05916339
View directory record Official record
Conditions
ADHD, Autism Spectrum Disorder
Interventions
Randomization to either Amphetamine (AMP) class of stimulant medication or Methylphenidate (MPH) class of stimulant medication, Randomization to either Alpha 2 agonist class of medication or alternate class of stimulant.
Drug
Lead sponsor
Daniel Coury
Other
Eligibility
4 Years to 17 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
10
States / cities
Irvine, California • Los Angeles, California • Portland, Maine + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Not applicable Interventional

A Family Intervention for Adolescent Problem Behavior (AKA Project Alliance 2)

NCT01490307
View directory record Official record
Conditions
Substance Use, Conduct Disorder, Depression, Anxiety
Interventions
Family Check-Up
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
Not listed
Enrollment
593 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 11, 2011 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of SHP465 in Adults Aged 18-55 Years With Attention-deficit/ Hyperactivity Disorder (ADHD)

NCT02604407
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD)
Interventions
SHP465 12.5mg capsules (one capsule daily), Placebo, SHP465 12.5mg, 25mg, or 37.5mg capsules (one capsule daily)
Drug · Other
Lead sponsor
Shire
Industry
Eligibility
18 Years to 55 Years
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
45
States / cities
Encino, California • Los Alamitos, California • Newport Beach, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Sep 3, 2026, 7:58 PM EDT
Completed Phase 3 Interventional

Study to Evaluate the Efficacy of Modafinil Treatment in Patients With Attention Deficit Hyperactivity Disorder (ADHD) Who Are Responders to Modafinil Treatment

NCT00343811
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Modafinil
Drug
Lead sponsor
Cephalon
Industry
Eligibility
6 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
23
States / cities
Little Rock, Arkansas • Irvine, California • San Francisco, California + 20 more
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Sep 3, 2026, 7:58 PM EDT