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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Immediate Release Methylphenidate Clear all
Completed Not applicable Interventional Results available

Behavioral Treatment, Drug Treatment, and Combined Treatment for Attention Deficit Hyperactivity Disorder (ADHD)

NCT00050622
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Methylphenidate 0.15 mg/kg, Low-Intensity BMOD, Methylphenidate 0.3 mg/kg, Placebo, Methylphenidate 0.6 mg/kg, High Intensity BMOD
Drug · Behavioral
Lead sponsor
Florida International University
Other
Eligibility
5 Years to 12 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
2
States / cities
Miami, Florida • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Sep 2, 2026, 5:18 PM 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 Jul 31, 2014 · Synced Sep 2, 2026, 5:18 PM EDT
Terminated Phase 3 Interventional Results available

Effects of Methylphenidate Versus Sustained Release Methylphenidate on Cognitive Functioning

NCT00418691
View directory record Official record
Conditions
Brain Tumor
Interventions
IR Methylphenidate, Modafinil, SR Methylphenidate
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Phase 4 Interventional Results available

Long Acting Stimulant Treatment of Attention Deficit Hyperactivity Disorder (ADHD) in Young Children

NCT00754208
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
methylphenidate
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
4 Years to 5 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Sep 2, 2026, 5:18 PM EDT
Terminated Phase 4 Interventional Results available

Effects of Evening Dose of Immediate Release Methylphenidate on Sleep in Children With ADHD

NCT02638168
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Behavioral Insomnia of Childhood
Interventions
Immediate Release Methylphenidate, Placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
6 Years to 12 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 16, 2019 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Methylphenidate for Attention Deficit Hyperactivity Disorder and Autism in Children

NCT00178503
View directory record Official record
Conditions
Autism, Attention Deficit Disorder With Hyperactivity
Interventions
Methylphenidate-extended release, Methylphenidate-immediate release, Placebo
Drug · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
7 Years to 12 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2013 · Synced Sep 2, 2026, 5:18 PM 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 Jul 31, 2013 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Phase 4 Interventional Results available

Effectiveness and Duration of Effect of Open Treatment in Attention Deficit Hyperactivity Disorder (ADHD) Patients Treated With Lisdexamfetamine Dimesylate(Vyvanse)

NCT01070394
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
LDX Treatment
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study of Repeat Dosing of OROS® Methylphenidate Hydrochloride (CONCERTA®) and Immediate Release Methylphenidate Hydrochloride in Healthy Adults

NCT00302458
View directory record Official record
Conditions
Healthy
Interventions
OROS-Methylphenidate, Immediate Release Methylphenidate, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 28, 2016 · Synced Sep 2, 2026, 5:18 PM EDT
Not yet recruiting Phase 4 Interventional

Treating Young Children With Attention Deficit Hyperactivity Disorder

NCT07300956
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder (ADHD)
Interventions
Guanfacine (GUA), Methylphenidate (MPH)
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 5 Years
Enrollment
370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
5
States / cities
Palo Alto, California • Boston, Massachusetts • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Phase 4 Interventional

Naturalistic Substitution of Concerta in Adult Subject With ADHD Receiving Immediate Release Methylphenidate

NCT00302406
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
methylphenidate hydrochloride, OROS methylphenidate hydrochloride (CONCERTA)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 11, 2011 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

An Open Label Phase I/II Study of Dopamine Transporter Receptor Occupancy With OROS and Immediate Release Methylphenidate as Measured With C-11 Altropane in Human Subjects

NCT00302367
View directory record Official record
Conditions
Healthy Volunteers
Interventions
OROS methylphenidate hydrochloride, immediate release methylphenidate hydrochloride
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 11, 2011 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study Examining Repeat Dosing of OROS® Methylphenidate (CONCERTA®) and Immediate Release Methylphenidate in Healthy Adults

NCT00302393
View directory record Official record
Conditions
Healthy
Interventions
OROS methylphenidate hydrochloride, methylphenidate hydrochloride
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2013 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Methylphenidate and Response to Alcohol Cues Pilot Study

NCT06063200
View directory record Official record
Conditions
Alcohol Use Disorder, Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate Pill
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 25 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 2, 2026, 5:18 PM EDT
Completed Phase 2 Interventional

PHASE IIA: Trial of a Novel Ondansetron Formulation (OND-PR002) and Immediate-Release Methylphenidate (Ritalin®)(OND003IND)

NCT01377662
View directory record Official record
Conditions
Methamphetamine Dependence, Cocaine Dependence
Interventions
OND-PR002 and MPh-IR, Placebo: Two dextrose capsules for Ond-PR002 and MPh-IR
Drug · Other
Lead sponsor
Tong Lee
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
3
States / cities
Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2014 · Synced Sep 2, 2026, 5:18 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 19, 2026 · Synced Sep 2, 2026, 5:18 PM EDT