Status:

TERMINATED

A Clinical Trial to Evaluate the Long-term Safety and Tolerability of SEP-363856 in Patients With Schizophrenia in Japan

Lead Sponsor:

Sumitomo Pharma Co., Ltd.

Conditions:

Schizophrenia

Eligibility:

All Genders

18-65 years

Phase:

PHASE3

Brief Summary

A clinical study to investigate the long-term safety and torelability of SEP-363856 in clinically stable adult patients with schizophrenia in Japan.

Detailed Description

A phase 3, 52-week, open-label study to evaluate the long-term safety and tolerability of SEP-363856 in patients with schizophrenia in Japan. Participants will take flexible dose of SEP-363856 (50 mg/...

Eligibility Criteria

Inclusion

  • Must be fully informed of and understand the objectives, procedures, and possible benefits and risks of the study, and give written informed consent prior to performing any study related activities.
  • Male or female between 18 to 65 years of age (inclusive) at the time of consent.
  • Must meet DSM 5 criteria for schizophrenia as established by clinical interview at Screening
  • Must have a PANSS total score \>=60 at Screening and Baseline.
  • Must have a CGI-S score \>=3 at Screening and Baseline
  • Judged to be clinically stable (i.e., no evidence of an acute exacerbation) by the Investigator for at least 8 weeks prior to Baseline and has had no change in antipsychotic medication(s) (minor dose adjustments for tolerability purposes are permitted) for at least 6 weeks prior to Screening
  • In the opinion of the Investigator, subjects must be generally healthy based on Screening medical history, physical examination, vital signs, ECG, and clinical laboratory values (hematology, chemistry, and urinalysis).

Exclusion

  • Have a DSM-5 diagnosis or presence of symptoms consistent with a DSM-5 diagnosis other than schizophrenia. Exclusionary disorders include but are not limited to alcohol use disorder or substance (other than nicotine or caffeine) use disorder within past 12 months or for a total of \>= 10 years during the subject's lifetime, major depressive disorder, bipolar I or II disorder, schizoaffective disorder, obsessive compulsive disorder, and posttraumatic stress disorder. Symptoms of mild to moderate mood dysphoria or anxiety are allowed so long as these symptoms have not been a focus of primary treatment
  • At significant risk of harming self, others, or objects based on Investigator's judgment.
  • Have any clinically significant unstable medical condition or any clinically significant chronic disease that in the opinion of the Investigator, would limit the subject's ability to complete and/or participate in the study.
  • Female subjects who are pregnant or lactating.
  • Have any clinically significant abnormal laboratory value(s) at Screening (hematology, chemistry, and urinalysis) as determined by the Investigator.

Key Trial Info

Start Date :

May 16 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

March 28 2024

Estimated Enrollment :

68 Patients enrolled

Trial Details

Trial ID

NCT05359081

Start Date

May 16 2022

End Date

March 28 2024

Last Update

March 19 2025

Active Locations (51)

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Page 1 of 13 (51 locations)

1

Hotei Hospital

Konan-shi, Aichi-ken, Japan

2

Heart Care Clinic Omachi

Akita, Akita, Japan

3

Seinan Hospital

Hachinohe-shi, Aomori, Japan

4

Ishigooka Hospital

Chiba, Chiba, Japan