Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 27, 2026, 3:19 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 509 matching trials from the live ClinicalTrials.gov search.
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Smoking
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
10
States / cities
Birmingham, Alabama • Bloomington, Indiana • Boston, Massachusetts + 6 more
Enrolling by invitation Not applicable Interventional

Open Label Extension Study of NCT06221852

NCT06558201
Conditions
Bipolar I Disorder, Schizoaffective Disorder, Psychosis
Interventions
Ketogenic diet
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Transcranial Magnetic Stimulation (TMS), repetitive transcranial magnetic stimulation
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Schizoaffective Disorder, Schizophrenia, Bipolar Disorder, Major Depressive Disorder
Interventions
Mobile Interventionist
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 99 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Spokane, Washington
Conditions
Schizophenia Disorder, Schizoaffective Disorder
Interventions
aripiprazole
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 52 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Schizophrenia, Schizoaffective, Bipolar Disorder 1
Interventions
Yoga-based Exercise (YE), Wellness Lifestyle Program (WLP)
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Bipolar Disorders, Schizophrenia, Schizoaffective Disorders, Alcohol Dependence
Interventions
injectable naltrexone, oral naltrexone
Drug
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 69 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Syracuse, New York
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
transdermal nicotine patch
Drug
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Cannabis and Schizophrenia: Self-Medication and Agonist Treatment

NCT00946348
Conditions
Schizophrenia, Dual Diagnosis, Schizoaffective Disorder, Psychotic Disorder, Cannabis Use Disorder
Interventions
Dronabinol, Cannabis
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
Schizo Affective Disorder, Schizophrenia
Interventions
L-arginine, Sapropterin Dihydrochloride
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Psychotic Disorders, Bipolar Disorder
Interventions
PGx testing guided treatment (PGT)
Biological
Lead sponsor
Northwell Health
Other
Eligibility
15 Years to 64 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Glen Oaks, New York
Conditions
Patient Noncompliance
Interventions
haloperidol decanoate, haloperidol, Customized Adherence Enhancement
Drug · Behavioral
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Not applicable Interventional Results available

Pilot Trial of Naltrexone for Obesity in Women With Schizophrenia

NCT00793780
Conditions
Obesity, Schizophrenia, Schizoaffective Disorder
Interventions
Naltrexone 25mg, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Schizophrenia, Schizoaffective Disorder, Mood Disorder, Psychotic
Interventions
mobile Social Interaction Therapy by Exposure (mSITE)
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
La Jolla, California
Completed Not applicable Interventional Results available

Brain Stimulation and Cognitive Training

NCT03338673
Conditions
Bipolar Disorder, Schizo Affective Disorder, Schizophrenia
Interventions
tDCS, BrainHQ
Device · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Borderline Personality Disorder, BPD, Schizotypal Personality Disorder, SPD, Autism Spectrum Disorder, Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
Interventions
Syntocinon 24 Intranasal Units (IU), Syntocinon 40 Intranasal Units (IU), Intranasal Placebo
Drug
Lead sponsor
Maria de las Mercedes Perez Rodriguez
Other
Eligibility
18 Years to 65 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2022
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
galantamine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 60 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Schizophrenia
Interventions
Lurasidone HCl
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Culver City, California
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Motivation Skills Training, Healthy Behaviors Control Group
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
New York, New York
Withdrawn Not applicable Interventional

Home-based Exercise for SMI

NCT06078293
Conditions
Serious Mental Illness
Interventions
Home-based Exercise Program
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Schizophrenia, Schizoaffective Disorder, Psychotic Disorder, Substance Abuse, Alcohol Abuse
Interventions
Quetiapine
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
4
States / cities
Augusta, Georgia • Lebanon, New Hampshire • Manchester, New Hampshire
Conditions
Schizophrenia, Pediatric
Interventions
Lumateperone 42 mg, Lumateperone 28 mg
Drug
Lead sponsor
Intra-Cellular Therapies, Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Hollywood, Florida • Atlanta, Georgia • Decatur, Georgia
Conditions
Depression, Schizophrenia, Schizoaffective Disorder
Interventions
olanzapine, ziprasidone
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 60 Years
Enrollment
378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
30
States / cities
Tuscaloosa, Alabama • Little Rock, Arkansas • Anaheim, California + 27 more