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 19, 2026, 9:10 AM 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.
Completed Phase 1Phase 2 Interventional Results available

Kuvan in People With Schizophrenia and Schizoaffective Disorder

NCT01706965
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Kuvan, Multivitamin
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 64 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia
Interventions
Physically Ready for Invigorating Movement Every Day (PRIME), Program for Activity, Leisure Skills, and Socialization (PALSS)
Behavioral
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
21 Years to 64 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
La Jolla, California
Completed Phase 2 Interventional Results available

Biomarkers in Schizophrenia

NCT00817336
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
D Serine, Placebo
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Orangeburg, New York
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
OPC-34712 (4mg), Moxifloxacin, OPC-34712 (12mg), Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
8
States / cities
Long Beach, California • San Diego, California • Fort Lauderdale, Florida + 5 more
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorders
Interventions
Repetitive Transcranial Magnetic Stimulation, Repetitive Transcranial Magnetic Stimulation (Intermittent Theta Burst Stimulation), Repetitive Transcranial Magnetic Stimulation (Sham)
Device
Lead sponsor
Centre for Addiction and Mental Health
Other
Eligibility
18 Years to 55 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Catonsville, Maryland • Manhasset, New York
Conditions
Schizophrenia or Schizoaffective Disorder
Interventions
AMG 581, Placebo, Midazolam
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 45 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Glendale, California
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
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Olanzapine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 60 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
33
States / cities
Anaheim, California • National City, California • Orange, California + 30 more
Completed Not applicable Interventional Results available

Vitamin D Supplementation in Psychiatric Illnesses

NCT01004354
Conditions
Obesity, Vitamin D Deficiency, Psychosis, Schizophrenia, Schizoaffective Disorder
Interventions
Ergocalciferols
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
10 Years to 18 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Worcester, Massachusetts
Completed Not applicable Interventional

Is Cognitive Training an Option?

NCT05352568
Conditions
Schizophrenia, Schizoaffective, Cognition
Interventions
Cognitive Training
Behavioral
Lead sponsor
Alliant International University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Not yet recruiting Not applicable Interventional

NST-SPARK Open-Label Phase 1 STTR (IGNITE)

NCT07593456
Conditions
Schizophrenia / Schizoaffective Disorder
Interventions
NST-SPARK
Device
Lead sponsor
North Shore Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
2
States / cities
Glen Oaks, New York • Philadelphia, Pennsylvania
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
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Levetiracetam in Early Psychosis

NCT03129360
Conditions
Psychosis, Schizophrenia, Schizo Affective Disorder, Schizophreniform
Interventions
Levetiracetam, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
16 Years to 35 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia
Interventions
SEP-363856, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Glendale, California • Long Beach, California
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Mobile Application, Treatment as Usual (TAU)
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Manchester, New Hampshire
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder I, Psychosis
Interventions
intermittant theta burst stimulation (iTBS), continuous theta burst stimulation (cTBS), sham rTMS
Device
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Belmont, Massachusetts • Boston, Massachusetts
Conditions
Schizophrenia, Schizo Affective Disorder
Interventions
Lumateperone, Placebo
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Overweight, Hyperlipidemia, Cardiovascular Diseases
Interventions
Aripiprazole
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of Transdermal Nicotine on Response Inhibition to Emotional Cues in Schizophrenia

NCT03838484
Conditions
Schizophrenia, Impulsive Behavior
Interventions
Nicotine Patch, 7 Mg/24 Hr, Placebo patch
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Results available

Virtual Reality Job Interview Training in Severe Mental Illness

NCT03049813
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Depressive Disorder
Interventions
Virtual Reality Job Interview Training, Supported Employment (Services as Usual)
Behavioral · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
4
States / cities
Chicago, Illinois
Completed Not applicable Interventional Results available

Theta Burst Stimulation for Schizophrenia

NCT03288779
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Theta Burst Stimulation
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Major Depressive Disorder
Interventions
FOCUS (Smartphone Application), WRAP (Wellness Recovery Action Planning)
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Weight Gain
Interventions
Exenatide, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Completed No phase listed Observational Accepts healthy volunteers

Schizophrenia, Antipsychotic Treatment and the Risk for Diabetes Mellitus

NCT00222807
Conditions
Schizophrenia, Schizoaffective Disorder, Delusional Disorder
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania