Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 2, 2026, 2:26 AM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
Conditions
Schizophrenia
Interventions
SEP-363856, Prior antipsychotic (risperidone, olanzapine, quetiapine or aripiprazole)
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
7
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Long Beach, California + 4 more
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
risperidone, quetiapine
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
7
States / cities
San Diego, California • Hoffman Est, Illinois • Lake Charles, Louisiana + 4 more
Conditions
Schizophrenia
Interventions
quetiapine fumarate vs risperidone
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
64
States / cities
Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 61 more
Conditions
Schizophrenia
Interventions
SEP-363856, Prior antipsychotic (risperidone, olanzapine, quetiapine or aripiprazole)
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
4
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Dayton, Ohio + 1 more
Conditions
Schizophrenia
Interventions
Quetiapine, Risperidone, Fluphenazine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Catonsville, Maryland