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A Clinical Trial That Will Study the Efficacy and Safety of an Investigational Drug in Acutely Psychotic People With Schizophrenia

Schizophrenia Clinical Trial

Official title:
A Randomized, Double-blind, Parallel-group, Placebo-controlled, Fixed-dose, Multicenter Study to Evaluate the Efficacy and Safety of SEP-363856 in Acutely Psychotic Subjects With Schizophrenia

Clinical Trial Summary

A clinical trial to study the efficacy and safety of an investigational drug in acutely psychotic people with schizophrenia. Participants in the study will either receive the drug being studied or a placebo. This study is accepting male and female participants between 18 -65 years old who have been diagnosed with schizophrenia. This study will be conducted in 60 locations world wide. The study will last up to nine (9) weeks.

Clinical Trial Description

This is a multicenter, randomized, double-blind, parallel-group, fixed-dosed study evaluating the efficacy and safety of two doses of SEP-363856 (75 and 100 mg/day) versus placebo over a 6-week Treatment Period in acutely psychotic subjects with schizophrenia. This study is projected to randomize approximately 462 subjects to 3 treatment groups (SEP-363856 75 mg/day, SEP-363856 100 mg/day, or placebo) in a 1:1:1 ratio. Treatment assignment will be stratified by country. Study drug will be taken once a day and may be taken with or without food. This study is designed to test the hypotheses that treatment with SEP-363856 in adult subjects with schizophrenia will result in significantly greater reduction (i.e. improvement) in PANSS total score and CGI-S score at Week 6 from Baseline when compared to placebo. The overall Type I error is controlled for two hierarchical families of hypotheses. The first family includes hypotheses about the testing of change from Baseline in PANSS total score at Week 6 between each of the SEP-363856 dose levels vs. placebo. The second family of hypotheses are about the testing of change from Baseline in CGI-S score at Week 6 between each of the SEP-363856 dose levels vs. placebo. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04092686
Study type Interventional
Source Sumitomo Pharma America, Inc.
Contact
Status Completed
Phase Phase 3
Start date September 30, 2019
Completion date June 14, 2023
View Details
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