A Trial of the Efficacy and Safety of SEP-363856 in Acutely Psychotic Participants With Schizophrenia

NCT ID: NCT06894212

Last Updated: 2025-10-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

522 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-02-28

Study Completion Date

2026-10-29

Brief Summary

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Evaluate the efficacy and safety of Ulotaront (SEP-363856) in acutely psychotic subjects with schizophrenia

Detailed Description

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A Phase 3, Randomized, Double-blind, Parallel-group, Placebo-controlled, Multicenter Trial to Evaluate the Efficacy and Safety of SEP-363856 in Acutely Psychotic Participants with Schizophrenia

Conditions

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Schizophrenia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Placebo

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

tablet

SEP-363856 75 mg

SEP-363856 75 mg/day

Group Type EXPERIMENTAL

SEP-363856

Intervention Type DRUG

tablet

SEP-363856 100 mg

SEP-363856 100 mg/day

Group Type EXPERIMENTAL

SEP-363856

Intervention Type DRUG

tablet

Interventions

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SEP-363856

tablet

Intervention Type DRUG

Placebo

tablet

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Male or female participants between 18 to 65 years of age (inclusive) at the time of consent.
* Participant has an identified reliable informant (eg, caregiver, relative, friend, case worker, residential treatment staff).
* Participant is experiencing an acute exacerbation or relapse of symptoms, with onset ≤ 2 months prior to screening

1. The participant requires hospitalization for this acute exacerbation or relapse of symptoms.
2. If already an inpatient at screening, has been hospitalized for less than 2 weeks for the current exacerbation at the time of screening.
* Participants who are experiencing an acute exacerbation of psychotic symptoms and marked deterioration of usual function as demonstrated by meeting ALL of the following criteria at the screening and baseline visits:

1. Participant must have a PANSS total score ≥ 80

AND
2. Participant must have a CGI-S score ≥ 4.
* Participants who have received previous outpatient antipsychotic treatment at an adequate dose (minimal recommended dose for the treatment of schizophrenia according to the manufacturer labeling) for an adequate duration (at least 6 weeks) and who showed a previous good response.

Exclusion Criteria

* Sexually active participants or persons of childbearing potential who do not agree to practice 2 different clinical trial sponsor approved methods of birth control or remain abstinent during the course of the trial and for 30 days after the last dose of study drug.
* Participant has a current DSM-5 diagnosis or presence of symptoms consistent with a DSM-5 diagnosis other than schizophrenia.
* Participant has had psychiatric hospitalization(s) for more than 30 days (cumulative) during the 90 days prior to screening.
* Participant has previously received SEP-363856 or was previously enrolled in a SEP-363856 clinical study
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Otsuka Pharmaceutical Development & Commercialization, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Pillar Clinical Research LLC - Bentonville Site # 145

Bentonville, Arkansas, United States

Site Status RECRUITING

Pillar Clinical Research (Little Rock AR) Site #153

Little Rock, Arkansas, United States

Site Status RECRUITING

Woodland International Research Group Site #141

Little Rock, Arkansas, United States

Site Status RECRUITING

Woodland Research Northwest Site # 138

Rogers, Arkansas, United States

Site Status RECRUITING

Clinical Innovations, Inc. dba CITrials (Bellflower) Site #131

Bellflower, California, United States

Site Status RECRUITING

ProScience Research Group Site #134

Culver City, California, United States

Site Status ACTIVE_NOT_RECRUITING

CenExel CNS - Garden Grove (Collaborative Neuroscience Research) Site #123

Garden Grove, California, United States

Site Status ACTIVE_NOT_RECRUITING

Synergy San Diego Site #128

Lemon Grove, California, United States

Site Status WITHDRAWN

Catalina Research Institute Site #142

Montclair, California, United States

Site Status ACTIVE_NOT_RECRUITING

Clinical Innovations Inc. DBA CITrials (Riverside) Site #151

Riverside, California, United States

Site Status RECRUITING

Richmond Behavioral Associates LLC Site # 136

Riverside, California, United States

Site Status ACTIVE_NOT_RECRUITING

CNRI - San Diego LLC Site # 126

San Diego, California, United States

Site Status RECRUITING

Schuster Medical Research Institute Site # 130

Sherman Oaks, California, United States

Site Status RECRUITING

CenExel CNS - Los Alamitos (Collaborative Neuroscience Research) Site #149

Torrance, California, United States

Site Status ACTIVE_NOT_RECRUITING

Galiz Research Site #146

Hialeah, Florida, United States

Site Status ACTIVE_NOT_RECRUITING

Segal Trials - Larkin Behavioral Health - Inpatient & Early Phase Site #147

Hollywood, Florida, United States

Site Status RECRUITING

Cenexel RCA (Research Centers of America) Site #124

Hollywood, Florida, United States

Site Status RECRUITING

Premier Clinical Research Institute - Site #150

Miami, Florida, United States

Site Status RECRUITING

D & H National Research Centers NC Site #143

Miami, Florida, United States

Site Status ACTIVE_NOT_RECRUITING

Innovative Clinical Research, Inc. Site # 125

Miami Lakes, Florida, United States

Site Status RECRUITING

Health Synergy Clinical Research LLC Site #140

West Palm Beach, Florida, United States

Site Status RECRUITING

Synexus Clinical Research US Inc - Atlanta Site #148

Atlanta, Georgia, United States

Site Status RECRUITING

CenExel ACMR (Atlanta Center for Medical Research, LLC) Site #122

Atlanta, Georgia, United States

Site Status RECRUITING

CenExel IRA (CenExcel iResearch, LLC) Site #132

Decatur, Georgia, United States

Site Status RECRUITING

Accelerated Clinical Trials in Peachtree Corners GA Site # 127

Peachtree Corners, Georgia, United States

Site Status RECRUITING

Uptown Research Institute Site # 121

Chicago, Illinois, United States

Site Status RECRUITING

Pillar Clinical Research LLC (Chicago) Site #144

Chicago, Illinois, United States

Site Status RECRUITING

Eastern Clinical Research Associates - Site # 156

New Orleans, Louisiana, United States

Site Status ACTIVE_NOT_RECRUITING

Cenexel CBH (CBH Health) Site # 129

Gaithersburg, Maryland, United States

Site Status RECRUITING

Hassman Research Institute, LLC Site #120

Marlton, New Jersey, United States

Site Status RECRUITING

Neuro-Behavioral Clinical Research Site # 135

Canton, Ohio, United States

Site Status ACTIVE_NOT_RECRUITING

Community Clinical Research Inc Site # 133

Austin, Texas, United States

Site Status RECRUITING

InSite Clinical Research Site #152

DeSoto, Texas, United States

Site Status RECRUITING

HD Research - Memorial Hermann Surgery Center Memorial Village Site #137

Houston, Texas, United States

Site Status ACTIVE_NOT_RECRUITING

Pillar Clinical Research LLC (Richardson, TX) Site #155

Richardson, Texas, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Otsuka Call Center

Role: CONTACT

844-687-8522

Facility Contacts

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Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center Otsuka Call Center

Role: primary

844-687-8522

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Otsuka Call Center

Role: primary

Other Identifiers

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382-201-00035

Identifier Type: -

Identifier Source: org_study_id

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