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ClinicalTrials.gov public records Last synced Oct 3, 2026, 7:34 AM EDT

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Showing 25–48 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: CONCERTA (methylphenidate HCl) or placebo Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Methylphenidate Treatment of Attention Deficits in Epilepsy

NCT02178995
View directory record Official record
Conditions
Epilepsy, Cognitive Deficits, Attention Deficits
Interventions
Methylphenidate
Drug
Lead sponsor
Kimford Jay Meador
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 4 Interventional Results available

Prevention of Stimulant-Induced Euphoria With an Opioid Receptor Antagonist

NCT01673594
View directory record Official record
Conditions
ADHD, Stimulant-Induced Euphoria
Interventions
SODAS MPH, Naltrexone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 2Phase 3 Interventional

OROS Methylphenidate (Concerta) in the Treatment of Adult ADHD

NCT02215538
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
OROS methylphenidate, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 13, 2014 · Synced Oct 3, 2026, 7:34 AM 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 13, 2007 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 2 Interventional Results available

Psychopharmacology for Cocaine Dependence - Buspirone

NCT01267292
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Buspirone, Placebo for Buspirone, Methylphenidate, Placebo for Methylphenidate
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 2 Interventional

Effectiveness of Lobeline in Treating Symptoms of ADHD in Adult Patients

NCT00664703
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Lobeline sulfate, Methylphenidate HCl, Placebo
Drug
Lead sponsor
Yaupon Therapeutics
Industry
Eligibility
21 Years to 45 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 20, 2013 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effects of Commonly Used Medications on Mood and Choice

NCT03652740
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Methylphenidate, Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 3, 2026, 7:34 AM EDT
Withdrawn Phase 4 Interventional

Multimodal Brain Imaging of Methylphenidate in Children and Adolescents With ADHD

NCT06077669
View directory record Official record
Conditions
ADHD
Interventions
Methylphenidate, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
6 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2024 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 4 Interventional Results available

CONCERTA Lab School Study

NCT00799487
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
CONCERTA (methylphenidate HCl) or placebo
Drug
Lead sponsor
Ortho-McNeil Janssen Scientific Affairs, LLC
Industry
Eligibility
9 Years to 12 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
3
States / cities
Little Rock, Arkansas • Las Vegas, Nevada • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Neurobiological Principles Applied to the Rehabilitation of Stroke Patients

NCT00715520
View directory record Official record
Conditions
Stroke
Interventions
Transcranial Magnetic Stimulation (TMS), Carbidopa-Levodopa, Methylphenidate, Amphetamine Sulfate, Placebo, Sham Transcranial Magnetic Stimulation (TMS), Transcranial Magnetic Stimulation (TMS) Training
Other · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 16, 2017 · Synced Oct 3, 2026, 7:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Orexin s Role in the Neurobiology of Substance Use Disorder

NCT05630781
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Belsomra, Placebo, Methylphenidate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Methylphenidate HCl ER Capsules in Children and Adolescents With ADHD

NCT01239030
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, ADHD
Interventions
Methylphenidate Hydrochloride Extended Release Capsules, Placebo
Drug
Lead sponsor
Rhodes Pharmaceuticals, L.P.
Industry
Eligibility
6 Years to 18 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
16
States / cities
Little Rock, Arkansas • Irvine, California • National City, California + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 4 Interventional Results available

A Flexible-Dose Titration Study of Aptensio XR in Children Ages 4 to Under 6 Years Diagnosed With ADHD

NCT02683265
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Aptensio XR, Placebo
Drug
Lead sponsor
Rhodes Pharmaceuticals, L.P.
Industry
Eligibility
4 Years to 6 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
2
States / cities
Las Vegas, Nevada • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 3 Interventional Results available

Time Course of Response to Methylphenidate HCl ER Capsules in Children 6 to 12 Years With ADHD in Classroom Setting

NCT01269463
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, ADHD
Interventions
Methylphenidate Hydrochloride Extended Release Capsule, Placebo
Drug
Lead sponsor
Rhodes Pharmaceuticals, L.P.
Industry
Eligibility
6 Years to 12 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Oct 3, 2026, 7:34 AM EDT
Enrolling by invitation Phase 1 Interventional

Sensitivity of the NIH Toolbox to Stimulant Treatment in Intellectual Disabilities

NCT05301361
View directory record Official record
Conditions
Intellectual Disability, Fragile X Syndrome, Down Syndrome, Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate Oral Solution
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
6 Years to 24 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Sacramento, California • Chicago, Illinois • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Results available

General Anesthesia Emergence Induced by Methylphenidate

NCT02327195
View directory record Official record
Conditions
Delayed Emergence From Anesthesia
Interventions
Methylphenidate HCl, Placebo
Drug
Lead sponsor
Nicoleta Stoicea
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Methylphenidate in Improving Cognition and Function in Older Adults With Depression

NCT00602290
View directory record Official record
Conditions
Depression
Interventions
Citalopram, Methylphenidate (MPH), Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
60 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Oct 3, 2026, 7:34 AM EDT
Active, not recruiting Phase 2 Interventional

Multimodal Therapy for the Treatment of Fatigue in Patients With Prostate Cancer Receiving Radiotherapy With Androgen Deprivation Therapy

NCT01410942
View directory record Official record
Conditions
Prostate Cancer
Interventions
Placebo, Methylphenidate, Counseling Sessions, Sham Exercise, Standardized Exercise Intervention Program, Cognitive Behavioral Therapy (CBT)
Other · Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 3 Interventional Results available

A Trial Evaluating the Efficacy and Safety of HLD200 in Children With ADHD

NCT02255513
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
HLD200, Placebo
Drug
Lead sponsor
Ironshore Pharmaceuticals and Development, Inc
Other
Eligibility
6 Years to 12 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
4
States / cities
Newport Beach, California • Marshfield, Massachusetts • Las Vegas, Nevada + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 3 Interventional Results available

Open-label Extension Evaluating Methylphenidate Hydrochloride Extended Release in Adults With Attention Deficit/Hyperactivity Disorder

NCT01338818
View directory record Official record
Conditions
Attention Deficit/Hyperactivity Disorder
Interventions
Ritalin LA (methylphenidate hydrochloride extended release)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 60 Years
Enrollment
299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
16
States / cities
Little Rock, Arkansas • Beverly Hills, California • Spring Valley, California + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Oct 3, 2026, 7:34 AM EDT
Not listed Phase 2 Interventional

Methylphenidate to Treat Methamphetamine Dependence

NCT01044238
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Methylphenidate
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 20, 2014 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Not applicable Interventional Results available

Memantine for Executive Dysfunction in Adults With ADHD: A Pilot Study

NCT01533493
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD), Executive Function Deficits (EFD)
Interventions
Placebo, Memantine Hydrochloride, OROS-Methylphenidate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 3 Interventional Results available

A Pivotal Efficacy Trial to Evaluate HLD200 in Children With ADHD in a Naturalistic Setting

NCT02520388
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
HLD200 methylphenidate hydrochloride (MPH) Capsules, Placebo
Drug
Lead sponsor
Ironshore Pharmaceuticals and Development, Inc
Other
Eligibility
6 Years to 12 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
21
States / cities
Newport Beach, California • Bradenton, Florida • Gainesville, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2021 · Synced Oct 3, 2026, 7:34 AM EDT
Completed Phase 4 Interventional

Methylphenidate for Treating Attention Deficit Hyperactivity Disorder in Children With Both ADHD and Epilepsy

NCT00323947
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Epilepsy
Interventions
Extended Release Methylphenidate (OROS-Methylphenidate)
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 1, 2013 · Synced Oct 3, 2026, 7:34 AM EDT