RecruitingPhase 3NCT06894212

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

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


Sponsor

Otsuka Pharmaceutical Development & Commercialization, Inc.

Enrollment

522 participants

Start Date

Feb 28, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

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


Eligibility

Min Age: 18 YearsMax Age: 65 Years

Inclusion Criteria10

  • 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
  • The participant requires hospitalization for this acute exacerbation or relapse of symptoms.
  • 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:
  • Participant must have a PANSS total score ≥ 80
  • AND
  • 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 Criteria4

  • 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

Interventions

DRUGSEP-363856

tablet

OTHERPlacebo

tablet


Locations(60)

Hotei Hospital Site # 183

Konan-shi, Aichi-ken, Japan

Pillar Clinical Research LLC - Bentonville Site # 145

Bentonville, Arkansas, United States

Pillar Clinical Research (Little Rock AR) Site #153

Little Rock, Arkansas, United States

Woodland International Research Group Site #141

Little Rock, Arkansas, United States

Woodland Research Northwest Site # 138

Rogers, Arkansas, United States

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

Bellflower, California, United States

ProScience Research Group Site #134

Culver City, California, United States

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

Garden Grove, California, United States

Synergy San Diego Site #128

Lemon Grove, California, United States

Catalina Research Institute Site #142

Montclair, California, United States

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

Riverside, California, United States

Richmond Behavioral Associates LLC Site # 136

Riverside, California, United States

CNRI - San Diego LLC Site # 126

San Diego, California, United States

Schuster Medical Research Institute Site # 130

Sherman Oaks, California, United States

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

Torrance, California, United States

Galiz Research Site #146

Hialeah, Florida, United States

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

Hollywood, Florida, United States

Cenexel RCA (Research Centers of America) Site #124

Hollywood, Florida, United States

Premier Clinical Research Institute - Site #150

Miami, Florida, United States

D & H National Research Centers NC Site #143

Miami, Florida, United States

Innovative Clinical Research, Inc. Site # 125

Miami Lakes, Florida, United States

Health Synergy Clinical Research LLC Site #140

West Palm Beach, Florida, United States

Synexus Clinical Research US Inc - Atlanta Site #148

Atlanta, Georgia, United States

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

Atlanta, Georgia, United States

CenExel IRA (CenExcel iResearch, LLC) Site #132

Decatur, Georgia, United States

Accelerated Clinical Trials in Peachtree Corners GA Site # 127

Peachtree Corners, Georgia, United States

Uptown Research Institute Site # 121

Chicago, Illinois, United States

Pillar Clinical Research LLC (Chicago) Site #144

Chicago, Illinois, United States

Eastern Clinical Research Associates - Site # 156

New Orleans, Louisiana, United States

Cenexel CBH (CBH Health) Site # 129

Gaithersburg, Maryland, United States

Hassman Research Institute, LLC Site #120

Marlton, New Jersey, United States

Neuro-Behavioral Clinical Research Site # 135

Canton, Ohio, United States

Community Clinical Research Inc Site # 133

Austin, Texas, United States

InSite Clinical Research Site #152

DeSoto, Texas, United States

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

Houston, Texas, United States

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

Richardson, Texas, United States

Seishinkai Okehazama Hospital Site #162

Toyoake-shi, Aichi-ken, Japan

Seijinkai Seinan Hospital Site # 172

Hachinohe-shi, Aomori, Japan

National Hospital Organization Shimofusa Psychiatric Medical Center Site # 171

Chiba, Chiba, Japan

National Kohnodai Medical Center Site # 174

Ichikawa-shi, Chiba, Japan

Kuramitsu Hospital Site # 164

Fukuoka, Fukuoka, Japan

National Hospital Organization Kokura Medical Center Site # 188

Kokuraminami-ku, Kitakyushu-shi, Fukuoka, Japan

Shiranui Hospital Site # 179

Omuta-shi, Fukuoka, Japan

Hayakawa Clinic Site # 163

Kure, Hiroshima, Japan

NHO Kure Medical Center # 178

Kure-shi, Hiroshima, Japan

Nayoro City General Hospital Site # 173

Nayoro-shi, Hokkaido, Japan

Obihiro Kosei Hospital Site # 175

Obihiro, Hokkaido, Japan

Goryokai Medical Corporation Hospital Site # 168

Sapporo, Hokkaido, Japan

Hatano Kousei Hospital # 190

Hadano-shi, Kanagawa, Japan

Tanzawa Hospital # 187

Hadano-shi, Kanagawa, Japan

Fujimidai Hospital Site # 166

Hiratsuka-shi, Kanagawa, Japan

Yuge Hospital Site # 165

Kumamoto, Kumamoto, Japan

Miyakonojo Shinsei Hospital Site # 167

Miyakonojo-shi, Miyazaki, Japan

Neyagawa Sanatorium Site # 169

Neyagawa, Osaka, Japan

National Hospital Organization Hizen Psychiatric Medical Center Site # 177

Kanzaki-gun, Saga-ken, Japan

Rainbow and Sea Hospital Site # 170

Karatsu-shi, Saga-ken, Japan

Tochigi Prefectural Okamotodai Hospital Site # 189

Utsunomiya, Tochigi, Japan

Asuka Hospital Site # 161

Machida-shi, Tokyo, Japan

Showa Medical University Karasuyama Hospital Site # 180

Setagaya-ku, Tokyo, Japan

Yamagata Sakuracho Hospital Site # 176

Yamagata, Yamagata, Japan

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