Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 11, 2026, 8:31 AM EDT

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Showing 1–24 of 236 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Schizophrenia, Schizoaffective Disorder, Psychotic Disorders
Interventions
Treatment as usual (TAU), Paliperidone ER
Drug
Lead sponsor
Ortho-McNeil Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
21
States / cities
Cerritos, California • Chino, California • Garden Grove, California + 18 more
Conditions
Schizophrenia
Interventions
Placebo, RO5545965, risperidone
Other · Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Glendale, California
Conditions
Post Traumatic Stress Disorder
Interventions
Quetiapine Fumarate, Standard of care meducations
Drug · Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Early Psychosis
Interventions
Levetiracetam Pill, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
16 Years to 40 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia
Interventions
Any FDA approved antipsychotic agent, aripiprazole long acting injectable formulation
Drug
Lead sponsor
Vanguard Research Group
Other
Eligibility
18 Years to 35 Years
Enrollment
489 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
39
States / cities
Tucson, Arizona • Granada Hills, California • Palo Alto, California + 35 more
Completed Phase 4 Interventional Results available

Allopurinol Add-on Treatment for Refractory Mania

NCT00643123
Conditions
Bipolar Disorder, Mixed Mania, Treatment-Resistant Mania
Interventions
Allopurinol, Placebo
Drug · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Schizophrenia
Interventions
Paliperidone
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Catonsville, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Glutamate, Brain Connectivity and Duration of Untreated Psychosis

NCT02034253
Conditions
Schizophrenia, Psychosis, Schizoaffective Disorder
Interventions
Risperidone
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
17 Years to 35 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Schizophrenia
Interventions
Olanzapine, Perphenazine, Aripiprazole, Metformin, Simvastatin, Benztropine
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
13
States / cities
Colton, California • Palo Alto, California • New Haven, Connecticut + 10 more
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Team-Based Quality Improvement Intervention, Opinion Leader Intervention, Team Based Quality Improvement
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
4
States / cities
Fayetteville, Arkansas • No. Little Rock, Arkansas • Dayton, Ohio + 1 more
Conditions
Schizophrenia
Interventions
multifamily group-adherence, multifamily group-standard
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Granada Hills, California
Conditions
Adolescent Depression
Interventions
Bone Density Test
Radiation
Lead sponsor
Creighton University
Other
Eligibility
10 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Bipolar I Disorder, Depression
Interventions
Cariprazine, Aripiprazole/Escitalopram combination, Quetiapine, Lurasidone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
2,726 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
17
States / cities
Birmingham, Alabama • Bloomington, Indiana • Baltimore, Maryland + 13 more
Conditions
Weight Loss, Diabetes Mellitus, Type 2, Psychotic Disorders
Interventions
Premier Lifestyle Intervention with DASH Diet
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
3
States / cities
Portland, Oregon
Conditions
Generalized Anxiety Disorder, Bipolar Disorder
Interventions
Ziprasidone, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Schizophrenia
Interventions
SPD489 low dose range (40mg, 80mg, and 100mg), SPD489 high dose range (120mg, 140mg and 160mg), Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
4
States / cities
Miami Springs, Florida • O'Fallon, Missouri • Saint Charles, Missouri + 1 more
Conditions
Bipolar Disorder
Interventions
Ketogenic foodstuffs, Standard of Care Oral antipsychotics, Standard of care long acting injectable medication for bipolar disorder
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Montgomery, Alabama
Conditions
Schizophrenia
Interventions
Evenamide, Placebo
Drug
Lead sponsor
Newron Pharmaceuticals SPA
Industry
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Glendale, California • Gaithersburg, Maryland • Austin, Texas
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorders
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Schizophrenia
Interventions
Ondansetron followed by placebo, Placebo followed by Ondansetron
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Schizophrenia
Interventions
SPD489
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
2
States / cities
Oklahoma City, Oklahoma • Philadelphia, Pennsylvania
Conditions
Schizophrenia
Interventions
Aripiprazole Once-Monthly, Oral Antipsychotic (i.e. aripiprazole, risperidone, lurasidone, quetiapine, olanzapine, ziprasidone, etc)
Drug
Lead sponsor
Matt Byerly
Other
Eligibility
18 Years to 60 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Schizophrenia
Interventions
Pimavanserin
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
Enrollment
995 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
32
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Rogers, Arkansas + 27 more
Completed No phase listed Observational Accepts healthy volunteers

Clozapine Therapy Sample Collection - Method Comparison Study

NCT05422131
Conditions
Patients Prescribed Clozapine
Interventions
MyCare Insite Clozapine Test
Device
Lead sponsor
Saladax Biomedical, Inc.
Industry
Eligibility
21 Years and older
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bethlehem, Pennsylvania