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ClinicalTrials.gov public records Last synced Oct 20, 2026, 3:15 PM EDT

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Showing 1–24 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Methylphenidate Hydrochloride Clear all
Terminated Phase 1 Interventional Results available

Methylphenidate for Cancer-Related Fatigue

NCT01164956
View directory record Official record
Conditions
Cancer
Interventions
methylphenidate, Placebo
Drug · Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
7 Years to 21 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 26, 2019 · Synced Oct 20, 2026, 3:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A PET Study Examining Pharmacokinetics and Dopamine Transporter Receptor Occupancy Of Two Long-Acting Formulations of Methylphenidate in Adults

NCT00301639
View directory record Official record
Conditions
Healthy Volunteers
Interventions
OROS methylphenidate hydrochloride, methylphenidate hydrochloride
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2011 · Synced Oct 20, 2026, 3:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Hallucinogens and Other Drugs on Mood and Performance

NCT02033707
View directory record Official record
Conditions
Healthy
Interventions
Hallucinogens and psychoactive substances
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 16, 2019 · Synced Oct 20, 2026, 3:15 PM EDT
Terminated Phase 3 Interventional

Methylphenidate to Improve Quality of Life in Patients Undergoing Radiation Therapy for Brain Tumors

NCT00031798
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Cognitive/Functional Effects, Depression, Fatigue, Quality of Life
Interventions
methylphenidate hydrochloride, quality-of-life assessment, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
7
States / cities
Phoenix, Arizona • Decatur, Illinois • New Orleans, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2021 · Synced Oct 20, 2026, 3:15 PM EDT
Recruiting No phase listed Observational

WAKIX® (Pitolisant) Pregnancy Registry

NCT05536011
View directory record Official record
Conditions
Pregnancy Related, Narcolepsy
Interventions
Pitolisant, Comparator Products
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
Female only
Enrollment
1,329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
Morrisville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 20, 2026, 3:15 PM EDT
Completed No phase listed Observational

A Study on Suicidality, Psychosis or Substance Abuse With Methylphenidate, Atomoxetine, Amphetamine/Dextroamphetamine or Lisdexamfetamine

NCT04132557
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Methylphenidate, Lisdexamfetamine, Atomoxetine, Amphetamine, Dextroamphetamine
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
Not listed
Enrollment
430,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Titusville, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 20, 2026, 3:15 PM EDT
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 20, 2026, 3:15 PM EDT
Recruiting Phase 4 Interventional

An Open-Label Treatment With Randomization Observation, Investigator-Initiated Study, on the Duration and Efficacy of Jornay PM (Methylphenidate Hydrochloride Extended-Release Capsules) on Adult ADHD Symptoms and Executive Function and Emotional Regulation Throughout the Day Into Early Evening

NCT06577779
View directory record Official record
Conditions
Attention-deficit/Hyperactivity Disorder
Interventions
Methylphenidate Hydrochloride Extended Release Capsule
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 20, 2026, 3:15 PM 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 20, 2026, 3:15 PM 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 20, 2026, 3:15 PM EDT
Completed Phase 4 Interventional Results available

Study of Atomoxetine and OROS Methylphenidate to Treat Children and Adolescents Ages 6-17 With ADHD

NCT00585910
View directory record Official record
Conditions
ADHD, Attention Deficit Hyperactivity Disorder
Interventions
Atomoxetine and OROS Methylphenidate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 14, 2012 · Synced Oct 20, 2026, 3:15 PM 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 20, 2026, 3:15 PM EDT
Completed Phase 4 Interventional

Basic and Clinical Research on Attention Deficit Hyperactivity Disorder (ADHD)

NCT00663442
View directory record Official record
Conditions
ADHD
Interventions
OROS methylphenidate
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
6 Years to 17 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 22, 2008 · Synced Oct 20, 2026, 3:15 PM EDT
Recruiting Phase 2 Interventional

The Role of Brain Dopamine in Chronic Pain

NCT05285683
View directory record Official record
Conditions
Chronic Pain
Interventions
Methylphenidate, carbidopa-levodopa, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 20, 2026, 3:15 PM EDT
Completed Phase 3 Interventional Results available

Sleep and Tolerability Study: Comparing the Effects of Adderall XR and Focalin XR

NCT00393042
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Dexmethylphenidate, Mixed Amphetamine Salts, ER, placebo
Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
9 Years to 17 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Chicago, Illinois • Northbrook, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Oct 20, 2026, 3:15 PM EDT
Not listed Phase 2 Interventional

Methylphenidate Plus GWI-Nutrient Formula as a Treatment for Patients With Gulf War Illness

NCT02357030
View directory record Official record
Conditions
Gulf War Illness
Interventions
Methyl-P plus GWI Nutrient Formula
Drug
Lead sponsor
K-PAX Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2015 · Synced Oct 20, 2026, 3:15 PM EDT
Completed Phase 3 Interventional

Clonidine in Attention Deficit Hyperactivity Disorder (ADHD) in Children

NCT00031395
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
clonidine, methylphenidate, placebo
Drug · Other
Lead sponsor
University of Cincinnati
Other
Eligibility
7 Years to 12 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2007
U.S. locations
4
States / cities
Buffalo, New York • Rochester, New York • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated May 21, 2009 · Synced Oct 20, 2026, 3:15 PM EDT
Recruiting Phase 4 Interventional

Multimodal Brain Imaging of the Neural Effects of Methylphenidate in Patients With ADHD

NCT04781972
View directory record Official record
Conditions
ADHD - Combined Type
Interventions
Methylphenidate, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
6 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 20, 2026, 3:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dexmethylphenidate Hydrochloride Tablets Under Fasting Conditions

NCT00829712
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 20, 2026, 3:15 PM EDT
Completed Not applicable Interventional Results available

Study of the Effect of Individualizing Daytrana Wear-times on Sleep in Children With ADHD

NCT00989950
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, INSOMNIA
Interventions
Daytrana
Drug
Lead sponsor
Cox Health Systems
Other
Eligibility
6 Years to 12 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 19, 2012 · Synced Oct 20, 2026, 3:15 PM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Methylphenidate and Response to Alcohol Cues

NCT07306078
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Methylphenidate Pill, Placebo Pill
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 25 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 20, 2026, 3:15 PM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Vyvanse Compared to Concerta in Adolescents With Attention-deficit/Hyperactivity Disorder

NCT01552915
View directory record Official record
Conditions
Attention-deficit/Hyperactivity Disorder
Interventions
Lisdexamfetamine dimesylate, Methylphenidate Hydrochloride, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
13 Years to 17 Years
Enrollment
464 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
79
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • National City, California + 68 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Oct 20, 2026, 3:15 PM 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 20, 2026, 3:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Diagnostic Utility of Attention Deficit Hyperactivity Disorder (ADHD) by Brain Activity Flow Patterns Analysis Using Evoked Response Potentials

NCT01063153
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Osmotic Release Methylphenidate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Oct 20, 2026, 3:15 PM EDT