Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 10, 2026, 8:47 AM EDT

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Showing 1–24 of 239 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Mental Disorders, Schizophrenia, Overweight, Obesity
Interventions
Psychosocial Weight Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Completed Phase 4 Interventional Accepts healthy volunteers

Effects Of Detrol LA On Memory And Cognition In Elderly Population

NCT00411437
Conditions
Memory, Cognition
Interventions
Tolterodine ER, Oxybutynin ER
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
65 Years to 75 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
9
States / cities
Tucson, Arizona • Brooksville, Florida • DeLand, Florida + 5 more
Conditions
Cognitive Impairment Associated With Schizophrenia (CIAS)
Interventions
KYN-5356 low dose, Placebo, KYN-5356 Medium Dose, KYN-5356 High Dose
Drug · Other
Lead sponsor
Kynexis B.V.
Industry
Eligibility
18 Years to 55 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
13
States / cities
Little Rock, Arkansas • Lemon Grove, California • Los Alamitos, California + 10 more
Conditions
Schizophrenia
Interventions
placebo, huperzine 0.2 mg BID, huperzine 0.4 mg BID, huperzine 0.8 mg BID
Drug
Lead sponsor
Biomedisyn Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Early Phase 1 Interventional Accepts healthy volunteers

Adult Oxytocin Study

NCT02577575
Conditions
Schizophrenia, Oxytocin, Social Cognition
Interventions
Oxytocin, Saline Nasal Spray
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
2
States / cities
San Francisco, California
Conditions
Nicotine Dependence, Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Catonsville, Maryland
Completed Phase 4 Interventional Results available

Varenicline Adjunctive Treatment in Schizophrenia

NCT00492349
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
Varenicline, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 60 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
Baltimore, Maryland
Conditions
Schizophrenia, Schizo Affective Disorder, Schizophreniform Disorders, Psychosis Nos/Other
Interventions
iTBS (Active), iTBS (Sham)
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 39 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Glen Oaks, New York
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Varenicline, Placebo for varenicline
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
New York, New York • Orangeburg, New York
Completed Not applicable Interventional

Neurocognition After Perturbed Sleep

NCT05032963
Conditions
Schizophrenia
Interventions
Overnight polysomnography examinations
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Reducing Hippocampal Hyperactivity and Improving Cognition in Schizophrenia

NCT03034356
Conditions
Schizophrenia
Interventions
Levetiracetam, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Schizophrenia
Interventions
SPECT Imaging of Nicotinic Acetylcholine Receptors in Brain
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Schizophrenia, Depression, Bipolar Disorder, Anxiety Disorders, Cognitive Disorders, Personality Disorders
Interventions
Physical activity intervention with peer support (PA+PS), Physical activity intervention without peer support (PA)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 1 Interventional Accepts healthy volunteers

M1 Schizophrenia PET Study

NCT05105542
Conditions
Schizophrenia, Schizoaffective Disorder, Healthy
Interventions
11C-EMO - A Novel PET Radiotracer for Muscarinic M1 Receptor, PET Scan
Drug · Device
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Risperdal Consta (drug), Social Skills Training
Drug · Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Chicago, Illinois • White Plains, New York
Conditions
Schizophrenia
Interventions
Aerobic Exercise, Standard Psychiatric Treatment
Behavioral · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia, Cognition, Smoking
Interventions
Atomoxetine (Strattera™)
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 59 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
SCHIZOPHRENIA 1 (Disorder), Schizo Affective Disorder
Interventions
transcranial direct current stimulation, Sham stimulation
Device
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Orangeburg, New York
Conditions
Schizophrenia
Interventions
Social cognition and interaction training (SCIT), Treatment as usual (TAU)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Terminated Not applicable Interventional Results available

Repetitive TMS & Cognitive Training in Adults With Schizophrenia

NCT03741751
Conditions
Schizophrenia Spectrum and Other Psychotic Disorders, Cognitive Impairment
Interventions
rTMS, Computerized cognitive training
Device · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Cognition Disorders, Fatigue, Sleep Disorders, Other Complications of Bone Marrow Transplant
Interventions
quality-of-life assessment, questionnaire administration, management of therapy complications, cognitive assessment, educational intervention
Other · Behavioral
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Stanford, California
Completed No phase listed Observational Accepts healthy volunteers

Iron Deficiency in Female State Fair Attendees

NCT03228173
Conditions
Iron-deficiency, Iron Deficiency Anemia, Iron Deficiency (Without Anemia)
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Saint Paul, Minnesota
Completed No phase listed Observational Accepts healthy volunteers

Transcranial Direct Current Stimulation (tDCS) and Cognitive Processing

NCT01602263
Conditions
Aphasia, Autism, Schizophrenia
Interventions
Transcranial Direct Current Stimulation (tDCS)
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 79 Years
Enrollment
307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Healthy Subjects, Schizophrenia, Parkinson Disease
Interventions
Oxygen-15 Water
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 90 Years
Enrollment
1,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1993
U.S. locations
1
States / cities
Bethesda, Maryland