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ClinicalTrials.gov public records Last synced Sep 9, 2026, 9:07 AM EDT

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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
ADHD
Interventions
KP415 oral capsule
Drug
Lead sponsor
Zevra Therapeutics
Industry
Eligibility
6 Years to 12 Years
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
19
States / cities
Little Rock, Arkansas • Colorado Springs, Colorado • Bradenton, Florida + 15 more
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
Brain and Central Nervous System Tumors, Cognitive/Functional Effects, Depression, Fatigue, Quality of Life
Interventions
methylphenidate hydrochloride, quality-of-life assessment, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
7
States / cities
Phoenix, Arizona • Decatur, Illinois • New Orleans, Louisiana + 4 more
Recruiting Phase 4 Interventional Accepts healthy volunteers

Stimulant Effects on Disruptive Behavior

NCT03420339
Conditions
Attention Deficit Hyperactivity Disorder, Problem Behavior
Interventions
Stimulant
Drug
Lead sponsor
Matthew J O'Brien, PhD, BCBA-D
Other
Eligibility
48 Months to 12 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Adult Attention Deficit Hyperactivity Disorder
Interventions
Serdexmethylphenidate/dexmethylphenidate
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 60 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Drug Binding to DAT Receptors
Interventions
dex-methylphenidate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Attention Deficit/Hyperactivity Disorder
Interventions
Serdexmethylphenidate (SDX) and dexmethylphenidate (d-MPH)
Drug
Lead sponsor
Corium, Inc.
Industry
Eligibility
4 Years to 5 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
20
States / cities
Little Rock, Arkansas • Anaheim, California • Centennial, Colorado + 17 more
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Dex-methylphenidate hydrochloride extended-release (Focalin XR), Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
6 Years to 12 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
5
States / cities
Little Rock, Arkansas • Winter Park, Florida • Las Vegas, Nevada + 2 more
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
Conditions
Healthy Volunteers in Fed and Fasted State
Interventions
Dexmethylphenidate
Drug
Lead sponsor
Cingulate Therapeutics
Industry
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
ADHD, Attention Deficit Hyperactivity Disorder, ADHD - Combined Type, Attention Deficit Hyperactivity Disorder Combined, Attention-deficit Hyperactivity, Attention Deficit Hyper Activity
Interventions
CTx-1301-Dexmethylphenidate 12.5 mg (titration only), CTx-1301-Dexmethylphenidate 18.75mg (randomized fixed dose), CTx-1301-Dexmethylphenidate 25mg (randomized fixed dose), CTx-1301-Dexmethylphenidate 37.5 mg (randomized fixed dose), Placebo
Drug
Lead sponsor
Cingulate Therapeutics
Industry
Eligibility
6 Years to 17 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
24
States / cities
Jacksonville, Florida • Maitland, Florida • Orlando, Florida + 21 more
Conditions
ADHD, ADHD - Combined Type, Attention Deficit Hyper Activity, Attention Deficit Hyperactivity Disorder, Attention Deficit Disorder With Hyperactivity, Attention Deficit Hyperactivity Disorder Combined, Attention-deficit Hyperactivity
Interventions
CTx-1301 - Dexmethylphenidate 6.25mg, CTx-1301 - Dexmethylphenidate 12.5mg, CTx-1301 - Dexmethylphenidate 18.75mg, CTx-1301 - Dexmethylphenidate 25.0mg, CTx-1301 - Dexmethylphenidate 31.25mg, CTx-1301 - Dexmethylphenidate 37.5mg, Placebo
Drug
Lead sponsor
Cingulate Therapeutics
Industry
Eligibility
6 Years to 12 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Maitland, Florida • Las Vegas, Nevada • North Charleston, South Carolina
Conditions
ADHD, Autism Spectrum Disorder
Interventions
Randomization to either Amphetamine (AMP) class of stimulant medication or Methylphenidate (MPH) class of stimulant medication, Randomization to either Alpha 2 agonist class of medication or alternate class of stimulant.
Drug
Lead sponsor
Daniel Coury
Other
Eligibility
4 Years to 17 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
10
States / cities
Irvine, California • Los Angeles, California • Portland, Maine + 7 more
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
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dexmethylphenidate Hydrochloride Tablets Under Fasting Conditions

NCT00829712
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
ADHD
Interventions
KP415 oral capsule, Placebo oral capsule
Drug
Lead sponsor
Zevra Therapeutics
Industry
Eligibility
6 Years to 12 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Bradenton, Florida • Maitland, Florida • Las Vegas, Nevada + 2 more
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
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
ADHD, ADD
Interventions
Dexmethylphenidate HCl extended-release capsules
Drug
Lead sponsor
Novartis
Industry
Eligibility
6 Years to 12 Years
Enrollment
252 participants
Timeline
2006
U.S. locations
25
States / cities
Mesa, Arizona • Little Rock, Arkansas • Los Angeles, California + 21 more
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
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
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
Fatigue, Neoplasms
Interventions
dexmethylphenidate(d-mph)
Drug
Lead sponsor
Celgene Corporation
Industry
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
21
States / cities
Birmingham, Alabama • Flagstaff, Arizona • Tucson, Arizona + 17 more