No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Pivotal Trial
This treatment is in the last trial phase before FDA approval.
Prior Safety Data
This treatment has already been tested in at least one earlier human trial.
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At a Glance
Age
18 and older
Sex
Any
Trial phase
Phase 3
Study type
Interventional
Purpose
Treatment
Participants needed
1,120 (estimated)
Sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc. · Industry
Who this trial is looking for
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This is a global, Phase 3, multicenter, open-label extension trial designed to evaluate the long-term safety, tolerability and efficacy of SEP-363856 administered at doses of 50 milligrams (mg) or 75 mg per day in adult participants with generalized anxiety disorder (GAD) over a treatment period of 26 weeks.
Trial Locations
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Status
Eligibility Criteria
Key Inclusion Criteria
1. Male or female participants at least 18 years of age at the time of informed consent
2. Completed one of the prior GAD Phase 3 studies involving SEP-363856 through Week 8 without discontinuation of trial intervention
3. Able to continue treatment without interruption, and …
Key Inclusion Criteria
1. Male or female participants at least 18 years of age at the time of informed consent
2. Completed one of the prior GAD Phase 3 studies involving SEP-363856 through Week 8 without discontinuation of trial intervention
3. Able to continue treatment without interruption, and is considered by investigator to potentially benefit from SEP-363856
4. Participant is willing and able to comply with study procedures and visit schedule
5. i) Females of childbearing potential: negative pregnancy test and agreement to use acceptable contraception ii) Males: agreement to follow protocol-defined contraception and reproductive restrictions
Key Exclusion Criteria
1. Diagnosis other than GAD that is the primary focus of treatment
2. Clinically significant psychiatric or medical condition that may interfere with study participation
3. Lifetime history of meeting Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria for, or was diagnosed during the prior study with, a psychiatric disorder that would compromise accurate assessment of safety and efficacy outcomes
4. Clinically significant abnormal laboratory values or ECG findings
5. Significant suicide risk
6. Substance use/positive drug screen
7. Use of prohibited medications/therapies
8. Known sensitivity to SEP-363856
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