- Conditions
- Parkinson's Disease
- Interventions
- methylphenidate
- Drug
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2006
- U.S. locations
- 1
- States / cities
- Portland, Oregon
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Attention Deficit Hyperactivity Disorder, Reading Disabilities
- Interventions
- Methylphenidate, Intensive reading instruction, Parent Training, Mixed Salt Amphetamine, Atomoxetine, Guanfacine
- Drug · Behavioral
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 7 Years to 12 Years
- Enrollment
- 222 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 2
- States / cities
- Cincinnati, Ohio • Houston, Texas
- Conditions
- Apathy, Alzheimer's Disease
- Interventions
- Methylphenidate, placebo, Psychosocial intervention
- Drug · Other
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland • Charleston, South Carolina
- Conditions
- Healthy
- Interventions
- Placebo, Methylphenidate, Nicotine
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- 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
- Conditions
- Posttraumatic Stress Disorder (PTSD)
- Interventions
- Methylphenidate, Placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 3
- States / cities
- Birmingham, Alabama • Tuscaloosa, Alabama • Seattle, Washington
- Conditions
- Fatigue, Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- methylphenidate hydrochloride, placebo
- Drug · Other
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 148 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 238
- States / cities
- Scottsdale, Arizona • Aurora, Colorado • Boulder, Colorado + 155 more
- 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
- Cocaine Dependence, Impulsivity
- Interventions
- cocaine hydrochloride, methylphenidate
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 29 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- 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
- HLD200 methylphenidate hydrochloride capsules, Placebo HLD200 capsules
- Drug
- Lead sponsor
- Ironshore Pharmaceuticals and Development, Inc
- Other
- Eligibility
- 4 Years to 5 Years
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 13
- States / cities
- Dothan, Alabama • Anaheim, California • Jacksonville, Florida + 10 more
- Conditions
- Cocaine Abuse
- Interventions
- Brain Dopamine Reactivity, Brain Dopamine Receptor
- Drug · Radiation
- Lead sponsor
- National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- NIH
- Eligibility
- 21 Years to 55 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Attention Deficit Disorder With Hyperactivity
- Interventions
- Methylphenidate Transdermal System
- Drug
- Lead sponsor
- Noven Therapeutics
- Industry
- Eligibility
- 6 Years to 12 Years
- Enrollment
- 93 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2005
- U.S. locations
- 1
- States / cities
- Irvine, California
- 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
- Conditions
- Cocaine-Related Disorders, Substance-Related Disorders
- Interventions
- Methylphenidate
- Drug
- Lead sponsor
- National Institute on Drug Abuse (NIDA)
- NIH
- Eligibility
- 18 Years to 75 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2005
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- 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
- Placebo, Ritalin LA 20 mg, Ritalin LA 30 mg
- Drug
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 725 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 21
- States / cities
- Little Rock, Arkansas • Beverly Hills, California • Spring Valley, California + 16 more
- 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
- 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
- Conditions
- Attention Deficit Hyperactivity Disorder
- Interventions
- Experimental: methylphenidate treatment
- Drug
- Lead sponsor
- University of California, Irvine
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 75 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Irvine, California
- Conditions
- Acute Lymphoblastic Leukemia, Brain Tumors
- Interventions
- Methylphenidate
- Drug
- Lead sponsor
- St. Jude Children's Research Hospital
- Other
- Eligibility
- 6 Years to 18 Years
- Enrollment
- 469 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2010
- U.S. locations
- 3
- States / cities
- Durham, North Carolina • Charleston, South Carolina • Memphis, Tennessee
- 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