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A Randomized, Double-blind, Placebo-controlled, Multiple Oral Dose Study Assessing the Safety and Tolerability of SEP-363856 in Japanese Subjects with Schizophrenia

A Randomized, Double-blind, Placebo-controlled, Multiple Oral Dose Study Assessing the Safety and Tolerability of SEP-363856 in Japanese Subjects with Schizophrenia

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080225100
Enrollment
32
Registered
2020-02-28
Start date
2020-03-11
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

schizophrenia

Interventions

investigational material(s) Generic name etc : SEP-363856 INN of investigational material : - Therapeutic category code : 1-- Agents affecting nervous system and sensory organs Dosage and Administrati

Sponsors

Sumitomo Dainippon Pharma Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Subjects who voluntarily provide written consent to participate in the study. If the subject is considered a minor at the time of collection of the informed consent, written consent will be obtained from a legally acceptable representative (guardian) in addition to that obtained from the subject. (2) Subject who has schizophrenia diagnosed by DSM-5, diagnostic criteria, and in the opinion of the Investigator has been clinically stable. (3) Subject who has body weight >= 40.0kg and body mass index (BMI) >= 18.5. (4) Female subjects who are premenopausal and of childbearing potential must have a negative serum pregnancy test result. (5) Female subjects who are of childbearing potential and male subjects whose partners are of childbearing potential must agree to use adequate and reliable contraception. other

Exclusion criteria

Exclusion criteria: (1) Subjects who become strongly affected by potent central nervous system depressants (including barbiturate) as considered by the Investigator. (2) Subjects who 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. (3) Subjects with active suicidal ideation or those with a suicide attempt history. (4) Subjects with a history or complication(s) of hypersensitivity to any medication. (5) Subjects with a history or complication(s) of malignant tumor within 5 years before screening, except for adequately treated basal cell or squamous cell skin cancer or in situ cervical cancer. Pituitary tumors of any duration are excluded. (6) Subjects who have previous or existing infection with human immunodeficiency virus (HIV) at screening. (7) Subjects who have a positive syphilis serological test, Hepatitis B virus surface (HBs) antigen or Hepatitis C virus (HCV) antibody at screening. other

Design outcomes

Primary

MeasureTime frame
safety Frequency of AEs, serious adverse events (SAEs), and AEs resulting in study discontinuation

Secondary

MeasureTime frame
pharmacokinetics Plasma concentrations of SEP-363856 and its metabolite SEP-363854

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026