Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 21, 2026, 1:16 AM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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Conditions
Schizophrenia
Interventions
SEP-363856 50mg, SEP-363856 75mg, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
13 Years to 65 Years
Enrollment
463 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
18
States / cities
Little Rock, Arkansas • Anaheim, California • Bellflower, California + 13 more
Conditions
Schizophrenia
Interventions
SEP363856, quetiapine XR
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
18
States / cities
Cerritos, California • Oakland, California • Oceanside, California + 15 more
Conditions
Parkinson Disease Psychosis
Interventions
SEP-363856, Placebo capsule
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
55 Years to 105 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
24
States / cities
Fresno, California • Los Angeles, California • Riverside, California + 19 more
Conditions
Schizophrenia
Interventions
SEP-363856
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
13 Years to 65 Years
Enrollment
463 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
25
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Anaheim, California + 19 more
Conditions
Schizophrenia
Interventions
SEP-363856 75mg, SEP-363856 100mg, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
464 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
18
States / cities
Rogers, Arkansas • Anaheim, California • Bellflower, California + 15 more