Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 10, 2026, 11:37 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 73–96 of 269 matching trials from the live ClinicalTrials.gov search.
Conditions
ADHD, Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate Transdermal System, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cambridge, Massachusetts
Completed Phase 1Phase 2 Interventional Results available

Pharmacokinetics of HLD200 in Children and Adolescents With ADHD

NCT01907360
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
Completed No phase listed Observational Accepts healthy volunteers

Understanding Sleep Problems in Children With Autism Spectrum Disorder

NCT00691080
Conditions
Sleep Problems
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
4 Years to 9 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
3
States / cities
New York, New York • Portland, Oregon • Houston, Texas
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Atomoxetine 80 mg/d, Placebo, OROS methylphenidate HCl 54 mg/d, JNJ-31001074 3 mg/d, JNJ-31001074 1 mg/d, JNJ-31001074 10 mg/d
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 55 Years
Enrollment
430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
35
States / cities
Little Rock, Arkansas • Lafayette, California • Los Alamitos, California + 32 more
Conditions
Advanced Malignant Neoplasm, Metastatic Malignant Neoplasm, Recurrent Malignant Neoplasm
Interventions
Laboratory Biomarker Analysis, Methylphenidate, Physical Activity, Placebo, Quality-of-Life Assessment, Questionnaire Administration
Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Traumatic Brain Injury, TBI, ADHD
Interventions
Methylphenidate, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Suspended Not applicable Interventional Accepts healthy volunteers

Oxygen Toxicity: Mechanisms in Humans

NCT05761756
Conditions
Oxygen Toxicity, Hypercapnia, Seizures
Interventions
Sleep Deprivation, Caffeine, Methylphenidate, Sodium bicarbonate
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2 Interventional Results available

Enhancing Attention in Adults With Compulsive Hoarding

NCT01100268
Conditions
Hoarding Disorder
Interventions
Methylphenidate ER
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Hartford, Connecticut • New York, New York
Conditions
Fatigue, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
methylphenidate hydrochloride, quality-of-life assessment
Drug · Procedure
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
18 Years to 120 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
57
States / cities
Scottsdale, Arizona • Palo Alto, California • Stanford, California + 44 more
Conditions
ADHD, HIV
Interventions
Not listed
Lead sponsor
International Maternal Pediatric Adolescent AIDS Clinical Trials Group
Network
Eligibility
6 Years to 25 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
21
States / cities
Birmingham, Alabama • Long Beach, California • Los Angeles, California + 15 more
Conditions
Substance Abuse
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 1 Interventional Accepts healthy volunteers

Brain Networks and Addiction Susceptibility

NCT01924468
Conditions
Nicotine Dependence
Interventions
Oral methylphenidate and Oral haloperidol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Long-Duration Stimulant Treatment Study of ADHD in Young Children

NCT00257725
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
Completed Phase 2 Interventional Accepts healthy volunteers

Neural Correlates of Acute Pain Dynamics

NCT05669924
Conditions
Pain
Interventions
Methylphenidate, Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Methylphenidate and Response to Alcohol Cues

NCT07306078
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
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
Conditions
Parkinson's Disease, Gait Impairment
Interventions
Methylphenidate (MPD), Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
35 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
ADHD, Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
6 Years to 17 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
4
States / cities
Gainesville, Florida • New York, New York • Cincinnati, Ohio + 1 more
Conditions
Attention-Deficit/Hyperactivity Disorder (ADHD)
Interventions
Choice, Recommendation
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 11 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Cincinnati, Ohio
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
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
ALL, Childhood, Leukemia, Lymphoblastic, Leukemia, Lymphoblastic, Acute, Leukemia, Lymphoblastic, Acute, L1, Leukemia, Lymphoblastic, Acute, L2, Leukemia, Lymphoblastic, Acute, Philadelphia-Positive, Leukemia, Lymphocytic, Acute, Leukemia, Lymphocytic, Acute, L1, Leukemia, Lymphocytic, Acute, L2, Lymphoblastic Leukemia, Lymphoblastic Leukemia, Acute, Lymphoblastic Leukemia, Acute, Childhood, Lymphoblastic Leukemia, Acute, L1, Lymphoblastic Leukemia, Acute, L2, Lymphoblastic Lymphoma, Lymphocytic Leukemia, Acute, Lymphocytic Leukemia, L1, Lymphocytic Leukemia, L2, Brain Tumors, Cancer of the Brain, Cancer of Brain, Malignant Primary Brain Tumors, Brain Neoplasms, Malignant
Interventions
Methylphenidate, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
8 Years to 17 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Phase 1Phase 2 Interventional Results available

The Reinforcing Mechanisms of Smoking in Adult ADHD

NCT00573859
Conditions
ADHD
Interventions
ADHD medication, Placebo
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Irvine, California
Conditions
ADHD
Interventions
methylphenidate transdermal system, Placebo
Drug
Lead sponsor
Noven Therapeutics
Industry
Eligibility
13 Years to 17 Years
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
32
States / cities
Scottsdale, Arizona • Lafayette, California • Wildomar, California + 29 more