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ClinicalTrials.gov public records Last synced Oct 17, 2026, 9:58 AM EDT

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Showing 73–96 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: methylphenidate HCl Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Ability of Functional Magnetic Resonance Imaging (fMRI) to Detect and Characterize the Effects of Two Marketed Centrally Active Drugs, Placebo, and RO4917523 in Healthy Volunteers

NCT01045083
View directory record Official record
Conditions
Healthy Volunteer
Interventions
RO4917523, escitalopram, methylphenidate, placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Methylphenidate-Duloxetine Combinations for Cocaine Dependence

NCT02700711
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
Methylphenidate, Placebo, Duloxetine
Drug
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 4 Interventional

Pediatric Traumatic Brain Injury: Methylphenidate Effects on Early Recovery

NCT00035139
View directory record Official record
Conditions
Brain Injuries
Interventions
methylphenidate
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
6 Years to 16 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 2 Interventional

Methylphenidate in the Treatment of Cocaine Dependent Patients With Adult Attention Deficit Hyperactivity Disorder - 5

NCT00015223
View directory record Official record
Conditions
Cocaine-Related Disorders, Substance-Related Disorders
Interventions
Methylphenidate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1999
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 16, 2017 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Study of Dopamine Transporter Receptor Occupancy With Long-acting Dex-methylphenidate

NCT00593138
View directory record Official record
Conditions
Drug Binding to DAT Receptors
Interventions
dex-methylphenidate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2013 · Synced Oct 17, 2026, 9:58 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 17, 2026, 9:58 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy Study of Dexmethylphenidate in Children With ADHD

NCT00141050
View directory record Official record
Conditions
ADHD
Interventions
Focalin XR
Drug
Lead sponsor
Novartis
Industry
Eligibility
6 Years to 12 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 21, 2007 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Open-label, Normal Healthy Volunteer Clinical Trial of a Novel Ondansetron Formulation

NCT01290276
View directory record Official record
Conditions
Healthy
Interventions
Ond-PR1, Ond-PR1 + MPh-IR, Ond-PR2, Ond-PR2 +_ MPh-IR
Drug
Lead sponsor
Tong Lee
Other
Eligibility
18 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 1, 2014 · Synced Oct 17, 2026, 9:58 AM 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 23, 2021 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Methylphenidate for Ptsd and Stroke Veterans

NCT04885257
View directory record Official record
Conditions
PTSD, Stroke
Interventions
Methylphenidate, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 22, 2025 · Synced Oct 17, 2026, 9:58 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 17, 2026, 9:58 AM EDT
Completed Phase 3 Interventional Results available

Comparison of Lisdexamfetamine Dimesylate With Atomoxetine HCl in Attention-Deficit/Hyperactivity Disorder (ADHD) Subjects With an Inadequate Response to Methylphenidate

NCT01106430
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
Lisdexamfetamine Dimesylate, Atomoxetine Hydrochloride
Drug
Lead sponsor
Shire
Industry
Eligibility
6 Years to 17 Years
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
34
States / cities
Dothan, Alabama • Little Rock, Arkansas • Colton, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 17, 2026, 9:58 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 17, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Results available

Methylphenidate for Apathy in Alzheimer's Dementia: A Controlled Study

NCT00495820
View directory record Official record
Conditions
Alzheimer's Disease, Apathy, Dementia
Interventions
Methylphenidate, Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
55 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 17, 2026, 9:58 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 17, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Long-Duration Stimulant Treatment Study of ADHD in Young Children

NCT00257725
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
B-MPH
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
4 Years to 5 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2020 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 1Phase 2 Interventional Results available

The Discriminative Effects of Tramadol in Humans

NCT00499746
View directory record Official record
Conditions
Opioid Abuse, Opioid Addiction, Stimulant Abuse, Stimulant Addiction
Interventions
tramadol, placebo, Hydromorphone, Methylphenidate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Months to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 17, 2017 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 3 Interventional

Ameliorating Attention Problems in Children With Sickle Cell Disease (SCD)

NCT01411280
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
methylphenidate
Drug
Lead sponsor
Temple University
Other
Eligibility
6 Years to 16 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Oct 17, 2026, 9:58 AM 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 12, 2021 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dexmethylphenidate Hydrochloride Tablets Under Non-Fasting Conditions

NCT00829673
View directory record Official record
Conditions
Healthy
Interventions
Dexmethylphenidate Hydrochloride
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Control of Cognition (Naltrexone, Methylphenidate, and ADHD Study (NMAS))

NCT01993108
View directory record Official record
Conditions
Healthy, Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate, Naltrexone, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 1 Interventional

Treatment of Orthostatic Hypotension in Autonomic Failure

NCT00223691
View directory record Official record
Conditions
Autonomic Failure, Orthostatic Hypotension
Interventions
Atomoxetine, Acarbose, Pyridostigmine Bromide, Yohimbine, Midodrine HCl, placebo, Modafinil, Octreotide, water intake, Diphenhydramine Hydrochloride, Ranitidine HCL, Tranylcypromine, Ergotamine/ Caffeine, Celecoxib, Pseudoephedrine, Methylphenidate, Indomethacin, Ibuprofen, Oxymetazoline 0.05% nasal solution, Bovril, Acetazolamide, Rivastigmine tartrate, Carbidopa/levodopa, Inflatable abdominal binder, inflatable abdominal binder (sham)
Drug · Other · Dietary Supplement + 1 more
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 17, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Results available

Omega-3 Supplementation to ADHD Medication in Children

NCT02204410
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Deficient Emotional Self-Regulation
Interventions
Omega-3 Fatty Acid, ADHD Medication
Dietary Supplement · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2017 · Synced Oct 17, 2026, 9:58 AM EDT
Not listed Phase 3 Interventional

A Study Comparing Long-acting Methylphenidate (ConcertaTM) vs. Placebo in the Treatment of Memory Loss Due to HIV

NCT01599975
View directory record Official record
Conditions
HIV Dementia
Interventions
Long acting methylphenidate, Matched placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 64 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 16, 2012 · Synced Oct 17, 2026, 9:58 AM EDT