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An Ascending Multiple Dose Study of SEP-363856 in Japanese Subjects with Schizophrenia

An Ascending Multiple Oral Dose, Open-Label Study Assessing the Safety, Tolerability, and Pharmacokinetics of SEP-363856 in Japanese Male and Female Subjects with Schizophrenia

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080223731
Enrollment
24
Registered
2017-11-27
Start date
2017-11-29
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 : 117 Psychotropic agents Dosage and Administration for Investigational material

Sponsors

Sumitomo Dainippon Pharma Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Subject who has schizophrenia diagnosed by DSM-5, and in the opinion of the Investigator has been clinically stable. (2)Subjects who are fully informed of and understand the objectives, procedures, and possible benefits and risks of the study and who voluntarily provide written consent to participate in the study. (3) If the subject is a minor or is hospitalized involuntarily 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. (4) Subject who has body weight is 40.0 kg or more and BMI is 18.5 or more. (5) Negative pregnancy test (6) Taking appropriate contraceptive measures, etc.

Exclusion criteria

Exclusion criteria: (1) Subject experienced an acute exacerbation of psychiatric symptoms requiring change in antipsychotic medication (with reference to drug or dose) within 3 months (90 days) before screening. (2) Subjects who received any sustained-release formulation (depot preparation) of antipsychotic medications within 3 months (90 days) before screening. (3) Subjects who received electroconvulsive therapy (ECT) within 3 months (90 days) before screening or is expected to require ECT during the study. (4) Subjects has a history of alcohol or substance related disorders (according to DSM-5 criteria) within 6 months (180 days) before screening or a positive urine drug screen at screening. (5) Subjects who received other investigational products or post-marketing clinical study drugs within 3 months (90 days) before screening or who have enrolled in but have not completed another clinical or post-marketing study before screening. (6) Subjects with a history or complication of malignant tumor within 5 years before screening, except for adequately treated basal cell or squamous cell carcinoma of skin or cervix carcinoma in situ. Pituitary tumors of any duration are excluded. (7) Subjects are considered by the Investigator to be affected by potent central nervous system depressants (including barbiturate). (8) Subjects with a history or complication of hypersensitivity to any medication (9) Subjects have previous or existing infection with HIV at screening. Subjects have a positive test for Syphilis serum reaction, Hepatitis B surface antigen or Hepatitis C antibody at screening. (10) Subjects with specific suicidal ideation or those with a suicide attempt history (11) Subjects 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, etc.

Design outcomes

Primary

MeasureTime frame
safety Safety and tolerability Adverse events, clinical laboratory tests, vital signs, 12-lead ECGs

Secondary

MeasureTime frame
pharmacokinetics Pharmacokinetics Plasma concentration

Countries

Japan

Outcome results

None listed

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