Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 8, 2026, 8:40 AM EDT

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Showing 1–24 of 267 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Autism, Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate Transdermal System
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
6 Years to 11 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
ADHD, Attention Deficit Hyperactivity Disorder, Attention Deficit Disorder With Hyperactivity, Mental Disorders Diagnosed in Childhood, Attention Deficit and Disruptive Behavior Disorders
Interventions
Methylphenidate ER, Cyproheptadine
Drug
Lead sponsor
Douglas Sears
Individual
Eligibility
6 Years to 12 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Van Nuys, California
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Guanfacine, Methylphenidate (MPH)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
7 Years to 14 Years
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dexmethylphenidate Hydrochloride Tablets Under Non-Fasting Conditions

NCT00829673
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
Conditions
Attention-deficit/Hyperactivity Disorder
Interventions
Lisdexamfetamine dimesylate, Methylphenidate Hydrochloride, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
13 Years to 17 Years
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
81
States / cities
Dothan, Alabama • Tucson, Arizona • Little Rock, Arkansas + 68 more
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
OPDC-34712, Placebo, Stimulant Therapy
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
740 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
35
States / cities
Little Rock, Arkansas • Beverly Hills, California • Irvine, California + 32 more
Conditions
Cerebrovascular Accident, Transient Ischemic Attack, ADHD
Interventions
atomoxetine, Stimulants, No intervention (general population)
Drug · Other
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
72,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Indianapolis, Indiana
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
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
7
States / cities
Newport Beach, California • Bradenton, Florida • Maitland, Florida + 4 more
Conditions
Brain Injury
Interventions
Polypharmacy using FDA-approved products, Median Nerve Stimulation (MNS), Nutraceutical Supplementation, Standard of Care
Drug · Device · Dietary Supplement + 1 more
Lead sponsor
International Brain Research Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Edison, New Jersey
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
Conditions
Attention Deficit Hyperactivity Disorder (ADHD), Deficient Emotional Self-Regulation (DESR)
Interventions
ADHD Medication, Omega-3 Fatty Acids
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

EEG Study of IV Methylphenidate-Induced Emergence From Propofol Sedation

NCT03610282
Conditions
Anesthesia
Interventions
IV Methylphenidate, Propofol
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Traumatic Brain Injury
Interventions
methylphenidate, Placebo
Drug
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
Adhansia XR, Concerta
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
12 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
35
States / cities
Dothan, Alabama • Beverly Hills, California • Cromwell, Connecticut + 31 more
Conditions
Chronic Low-back Pain, Depression
Interventions
Psilocybin, Methylphenidate
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
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
Conditions
Sarcoidosis
Interventions
d-methylphenidate
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cincinnati, Ohio
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Cannabidiol and CES1 Interactions in Healthy Subjects

NCT04603391
Conditions
Drug Interaction
Interventions
dl-Methylphenidate plus Cannabidiol, dl-Methylphenidate plus Cannabidiol Placebo solution
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Gainesville, Florida
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
Conditions
ADHD
Interventions
OROS methylphenidate, No intervention
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 18 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Cambridge, Massachusetts
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
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
Conditions
Healthy
Interventions
modafinil, methylphenidate, lorazepam, placebo
Drug
Lead sponsor
Orasi Medical, Inc.
Industry
Eligibility
18 Years to 35 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Elk Grove Village, Illinois