A Clinical Study That Will Measure How Well SEP-363856 Works and How Safe it is in Adults With Generalized Anxiety Disorder

Purpose

A clinical study that will meaure how well SEP-363856 works and how safe it is in adults with Generalized Anixety Disorder. This study will be accepting both male and female subjects between the ages of 18 years and 65 years old. The study will be held in Approximately 50 global study centers and approximately 15 additional centers for a separate Japan population. Participation in the study can be up to approximately 12 weeks.

Condition

  • Generalized Anxiety Disorder

Eligibility

Eligible Ages
Between 18 Years and 65 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

(list is not all inclusive) - Male or female subject between 18 to 65 years of age. - Subject meets DSM-5 criteria for a diagnosis of Generalized Anxiety Disorder. - Subject must be willing and able to comply with the study procedures and visit schedule and must be able to understand and follow verbal and written instructions.

Exclusion Criteria

(list is not all inclusive) - Subject has DSM-5-based diagnosis of any disorder other than Generalized Anxiety Disorder that was the primary focus of treatment within 12 months before Screening. - Subjects who report an inadequate response to more than 3 antidepressant treatments - Subject is at significant risk of harming self or others based on Investigator's judgment. - Subject has 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 subject who is pregnant, lactating, or plans to get pregnant during the study.

Study Design

Phase
Phase 2/Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Intervention Model Description
Randomized, Double-blind, Parallel group, Placebo-controlled
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Masking Description
double blind

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
SEP-363856
dosed once daily tablet
  • Drug: SEP-363856
    once daily tablet
Placebo Comparator
Placebo
dosed once daily tablet
  • Drug: Placebo
    once daily tablet

Recruiting Locations

UAB Huntsville Regional Medical Campus
Huntsville, Alabama 35801
Contact:
Richard Shelton
256-551-4425

More Details

Status
Recruiting
Sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.

Study Contact

Otsuka Call Center
844-687-3522
OtsukaRMReconciliation@rmpdc.org

Detailed Description

This is a multicenter, randomized, double-blind, parallel-group, flexible dose, outpatient study evaluating the efficacy and safety of SEP-363856 flexibly dosed (50 - 75 mg/day) versus placebo over an 8-week Treatment Period in subjects with GAD. This study is projected to randomize approximately 434 subjects to 2 treatment groups (SEP-363856 [50 - 75 mg/day] or placebo) in a 1:1 ratio. Approximately 30 additional subjects (N = 15 per treatment group) are projected to enroll in the Japan Cohort. Treatment assignment will be stratified by country. Study drug will be taken at approximately the same time each evening at bedtime .