Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 11:38 AM EDT

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Showing 1129–1152 of 1,652 matching trials from the live ClinicalTrials.gov search.
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
d-amphetamine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
San Diego, California
Conditions
Autism Spectrum Disorder, Psychosis, Social Communication
Interventions
PEERS social skills intervention
Behavioral
Lead sponsor
Loma Linda University
Other
Eligibility
12 Years to 18 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Conditions
Schizophrenia
Interventions
Pimavanserin, Placebo
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
33
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Rogers, Arkansas + 27 more
Conditions
Schizophrenia
Interventions
PF-03463275, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
37
States / cities
Cerritos, California • Chula Vista, California • Escondido, California + 26 more
Conditions
Schizophrenia, Cocaine Dependence
Interventions
Aripiprazole, Perphenazine
Drug
Lead sponsor
Paul Saenger
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Schizophrenia
Interventions
LB-102
Drug
Lead sponsor
LB Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Treatment-resistant Schizophrenia
Interventions
Clozapine, Antipsychotics,Other (non-Clozapine)
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Atomoxetine (Strattera)
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Schizophrenia
Interventions
ALKS 9072, Low, ALKS 9072, High
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
25
States / cities
Little Rock, Arkansas • Springdale, Arkansas • Garden Grove, California + 18 more
Conditions
Schizophrenia, Schizo Affective Disorder
Interventions
tDCS
Device
Lead sponsor
The University of Texas at Dallas
Other
Eligibility
18 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Richardson, Texas
Conditions
Schizophrenia
Interventions
Dronabinol, Placebo Comparator
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Schizophrenia
Interventions
Iloperidone, Ziprasidone, Placebo
Drug
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
593 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
33
States / cities
Little Rock, Arkansas • Anaheim, California • Cerritos, California + 28 more
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
Interventions
ziprasidone vs. aripiprazole, aripiprazole vs. ziprasidone
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
D-serine, Cognitive Retraining (CRT), Placebo, Cognitive Retraining Placebo
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2012
U.S. locations
2
States / cities
New Haven, Connecticut • West Haven, Connecticut
Conditions
Schizophrenia, Mood Disorders, Substance Dependence
Interventions
Behavioral Treatment for Substance Abuse in SPMI (BTSAS), Supportive Treatment in Addiction Recovery (STAR), Critical Time Intervention (CTI)
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years
Enrollment
293 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
4
States / cities
Baltimore, Maryland • Catonsville, Maryland
Conditions
Schizophrenia
Interventions
Bifeprunox
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 66 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
83
States / cities
Little Rock, Arkansas • Anaheim, California • Boynton Beach, California + 67 more
Completed Not applicable Interventional Results available

STimulation to Improve Auditory haLLucinations

NCT02360228
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
tACS (alpha), tDCS
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Schizophrenia, Psychotic Disorders, Substance-Related Disorders, Bipolar Disorder
Interventions
Time limited case management, Health Education
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
2
States / cities
Bedford, Massachusetts • East Orange, New Jersey
Conditions
Schizophrenia, Psychotic Disorders, Mental Health, Mental Disorders
Interventions
Olanzapine, risperidone
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
16 Years to 40 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
24
States / cities
Stanford, California • Miami, Florida • Atlanta, Georgia + 21 more
Conditions
Schizophrenia
Interventions
OMS643762, Placebo
Drug
Lead sponsor
Omeros Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Long Beach, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Exercise and Markers of Medial Temporal Health in Youth At-risk for Psychosis

NCT02155699
Conditions
Attenuated Psychosis Syndrome
Interventions
Exercise 1, Exercise 2
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
16 Years to 24 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2022
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Cancer, Severe Major Depression, Schizophrenia, Bipolar Disorder, Lung Cancer, Breast Cancer, Head and Neck Cancer, Gastrointestinal Cancer, Genitourinary Cancer
Interventions
Virtual Cancer and Mental Health Tumor Board
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Danvers, Massachusetts
Conditions
Schizophrenia
Interventions
Xanomeline and Trospium Chloride Capsules
Drug
Lead sponsor
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
Industry
Eligibility
18 Years to 65 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
56
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Anaheim, California + 44 more
Conditions
Schizophrenia, Schizoaffective Disorder, Cognitive Impairment
Interventions
Guanfacine/Tenex
Drug
Lead sponsor
Research Foundation for Mental Hygiene, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
3
States / cities
New York, New York • The Bronx, New York • W. Brentwood, New York