Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 21, 2026, 1:53 PM EDT

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Showing 1–24 of 1,545 matching trials from the live ClinicalTrials.gov search.
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Conditions
Plasma Caffeine Concentration
Interventions
Beverage
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Saint Paul, Minnesota
Conditions
Anxiety Disorders, Stress Disorders, Post-Traumatic, Pregnancy, High Risk, Depressive Disorder, Major, Pregnancy Complications, ADHD - Attention Deficit Disorder With Hyperactivity
Interventions
Collaborative Mental Health Care Program (CMHCP)
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
ADHD
Interventions
Partnering to Achieve School Success (PASS), Treatment as Usual (TAU)
Behavioral · Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
5 Years to 11 Years
Enrollment
283 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Personalized ADHD Medication Experiment
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
11 Years to 15 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Active, not recruiting Not applicable Interventional Results available

Home-based Brain Stimulation Treatment for Post-acute Sequelae of COVID-19 (PASC)

NCT05092516
Conditions
Dysexecutive Syndrome, Post-Acute Sequelae of COVID-19
Interventions
Active tDCS, Sham tDCS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Charlestown, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers Results available

Top-Down Executive Control in Traumatic Brain Injury (TBI), PTSD and Combined

NCT01072006
Conditions
PTSD, TBI (Traumatic Brain Injury)
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Martinez, California
Conditions
Attention-deficit/Hyperactivity Disorder, Autism Spectrum Disorder
Interventions
Methylphenidate extended-release liquid formulation
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Healthy Volunteers
Interventions
OLT maneuver, Sham OLT
Other
Lead sponsor
Kansas City University of Medicine and Biosciences
Other
Eligibility
20 Years to 40 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Kansas City, Missouri
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

HOPS Study: A Conceptual Replication

NCT04465708
Conditions
Executive Dysfunction, Attention Deficit Hyperactivity Disorder
Interventions
Homework, Organization, and Planning Skills
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
11 Years to 15 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
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
Abruptio Placentae
Interventions
There is no other intervention, only clinical treatment.
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Sinusitis
Interventions
Itraconazole
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Results available

Nicotine and Behavior in Adult ADHD

NCT00573248
Conditions
ADHD
Interventions
Nicotine, Placebo
Drug · Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 45 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Irvine, California
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Cardiac Effects of Danicopan in Healthy Adults

NCT05016206
Conditions
Healthy
Interventions
Danicopan, Moxifloxacin-matching Placebo, Danicopan-matching placebo, Moxifloxacin
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Tempe, Arizona
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
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
ABT-089, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
12
States / cities
Lafayette, California • Jacksonville, Florida • Orlando, Florida + 9 more
Conditions
Systemic Lupus Erythematosus
Interventions
Modafinil
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
New York, New York
Conditions
ADHD
Interventions
TC-5619-238, Placebo
Drug
Lead sponsor
Targacept Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
16
States / cities
Bradenton, Florida • Jacksonville, Florida • Lauderhill, Florida + 13 more
Conditions
Acquired Brain Injury, Stroke, Hemispatial Neglect
Interventions
Tonic and Phasic Attention Training, Active Comparator
Behavioral
Lead sponsor
Posit Science Corporation
Industry
Eligibility
21 Years to 80 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
San Francisco, California
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Methylphenidate
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
3 Years to 5 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
6
States / cities
Irvine, California • Los Angeles, California • Baltimore, Maryland + 2 more
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Atomoxetine
Drug
Lead sponsor
Monarch Medical Research
Other
Eligibility
6 Years to 18 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Norfolk, Virginia
Conditions
Attention Deficit/Hyperactivity Disorder
Interventions
centanafadine capsule, placebo capsule
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
4 Years to 12 Years
Enrollment
574 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Stress (Psychology)
Interventions
Nature vs. Urban walks
Other
Lead sponsor
National Institutes of Health (NIH)
NIH
Eligibility
18 Years to 25 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Involutional Depression, Anxiety Disorders
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
10 Years to 55 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland