Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 3, 2026, 7:29 PM EDT

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Showing 73–96 of 272 matching trials from the live ClinicalTrials.gov search.
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
Conditions
ADHD - Attention Deficit Disorder With Hyperactivity
Interventions
methylphenidate hydrochloride (Jornay PM)
Drug
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
6 Years to 17 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 1Phase 2 Interventional Results available

CTx-1301 Comparative Bioavailability Study

NCT04138498
Conditions
ADHD
Interventions
Dexmethylphenidate 5 Mg Oral Capsule, Extended Release, Dexmethylphenidate 6.25 mg Tablet, Dexmethylphenidate 40 Mg Oral Capsule, Extended Release, Dexmethylphenidate 50 mg Tablet
Drug
Lead sponsor
Cingulate Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Overland Park, Kansas
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
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
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
Completed Phase 1Phase 2 Interventional Results available

Methylphenidate for Ptsd and Stroke Veterans

NCT04885257
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
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
Completed Phase 2Phase 3 Interventional Results available

Methylphenidate and a Nursing Telephone Intervention for Fatigue

NCT00424099
Conditions
Advanced Cancer, Fatigue
Interventions
Methylphenidate, Nursing Telephone Intervention, Placebo, Non NTI
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2021
U.S. locations
2
States / cities
Houston, Texas
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
NWP09, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
6 Years to 12 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
9
States / cities
Little Rock, Arkansas • Huntington Beach, California • Irvine, California + 4 more
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
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
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
Healthy Volunteers in Fed and Fasted State
Interventions
Dexmethylphenidate
Drug
Lead sponsor
Cingulate Therapeutics
Industry
Eligibility
18 Years to 50 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
ADHD, Smoking
Interventions
Osmotic-Release Methylphenidate, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 55 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
6
States / cities
Cambridge, Massachusetts • Rochester, Minnesota • New York, New York + 2 more
Conditions
Healthy
Interventions
Ritalin, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
70 Years to 80 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
4
States / cities
Long Beach, California • Hollywood, Florida • South Miami, Florida + 1 more
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
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
Completed Phase 4 Interventional Results available

Omega-3 Supplementation to ADHD Medication in Children

NCT02204410
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
Completed Early Phase 1 Interventional Accepts healthy volunteers

Precision Functional Brain Mapping in Psilocybin

NCT04501653
Conditions
Psilocybin
Interventions
Psilocybin, Methylphenidate
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 40 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Cocaine-Related Disorders
Interventions
Methylphenidate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
ADHD, Cannabis Use Disorder
Interventions
Delayed-release, extended-release methylphenidate, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 26 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
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