MedPath

An Extension Study to a Clinical Study That Will Continue to Evaluate the Effectiveness and Safety of SEP-363856 in People With Schizophrenia That Switch to SEP-363856 From Their From Their Current Antipsychotic Medication

Phase 3
Conditions
Schizophrenia
Interventions
Registration Number
NCT05741528
Lead Sponsor
Sumitomo Pharma America, Inc.
Brief Summary

An Extension study to a clinical study that will continue to evaluate the effectiveness and safety of SEP-363856 in people with schizophrenia that switch to SEP-363856 from their from their current antipsychotic medication. This study will accept both male and female participants that have completed study SEP361-308. This study will be held in approximately 24 study sites in North America. Participation in the study will be approximately up to 25 weeks.

Detailed Description

This is a 24-week, outpatient, multicenter, flexible-dose, open-label extension study designed to evaluate the long-term safety and tolerability of SEP-363856 (50 to 100 mg/day) for the treatment of subjects with schizophrenia who have completed Study SEP361-308 treatment period, during which they were switched from a previous antipsychotic treatment to SEP-363856.

Recruitment & Eligibility

Status
ENROLLING_BY_INVITATION
Sex
All
Target Recruitment
67
Inclusion Criteria

(list is not all inclusive)

  • Subject has given written informed consent and privacy authorization prior to participation in the study.
  • Subject has completed the Treatment Period of Study SEP361-308.
  • Subject has not taken any psychotropic medication other than the study drug, pre-switch antipsychotic and protocol-allowed medications during Study SEP361-308.
  • Female subject must have a negative rapid urine pregnancy test at the End of Treatment (EOT) Visit of Study SEP361-308.
Exclusion Criteria

(list is not all inclusive)

  • Subject is suicidal based on the Columbia - Suicide Severity Rating Scale (C-SSRS) assessment at the End of Treatment (EOT) Visit of Study SEP361-308.
  • Subject has a clinically significant abnormality including physical examination, vital signs, or ECG finding at the End of Treatment (EOT) Visit of Study SEP361-308.
  • Subject has a positive rapid urine drug screen at the EOT Visit of Study SEP361-308.
  • Female subject is pregnant or lactating.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
SEP-363856SEP-363856-
Primary Outcome Measures
NameTimeMethod
The incidence of overall Adverse Events (AEs), Serious Adverse Events (SAEs), and Adverse Events (AEs) leading to discontinuationup to week 25
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (20)

Advanced Research Center Inc.

🇺🇸

Anaheim, California, United States

Collaborative Neuroscience Research, LLC

🇺🇸

Torrance, California, United States

Clinical Innovations, Inc.

🇺🇸

Riverside, California, United States

Behavioral Clinical Research, Inc.

🇺🇸

Miami Lakes, Florida, United States

Wellness Research Center

🇺🇸

Miami, Florida, United States

Uptown Research

🇺🇸

Chicago, Illinois, United States

Segal Trials, Larkin Behavioral / Adaptive Clinical Research

🇺🇸

Hollywood, Florida, United States

Atlanta Center of Medical Research

🇺🇸

Atlanta, Georgia, United States

Advanced Discovery Research LLC

🇺🇸

Atlanta, Georgia, United States

Hassman Research Institute

🇺🇸

Berlin, New Jersey, United States

CBH Health

🇺🇸

Gaithersburg, Maryland, United States

PsychCare Consultants Research

🇺🇸

Saint Louis, Missouri, United States

New Hope Clinical Research

🇺🇸

Charlotte, North Carolina, United States

Charak Clinical Research Center

🇺🇸

Garfield Heights, Ohio, United States

Synergy San Diego

🇺🇸

Lemon Grove, California, United States

CMB Clinical Trials

🇺🇸

Santee, California, United States

CNRI - San Diego, LLC

🇺🇸

San Diego, California, United States

Premier Clinical Research Institute, Inc.

🇺🇸

Miami, Florida, United States

Clinical Trials of America, LLC

🇺🇸

Hickory, North Carolina, United States

Nova Psychiatry, Inc.

🇺🇸

Orlando, Florida, United States

© Copyright 2025. All Rights Reserved by MedPath