Safety and Tolerability of Oral OPC-34712 as Adjunctive Therapy in Adults With Major Depressive Disorder (the Orion Trial)
Orion
A Long-term, Phase 3, Multicenter, Open-label Trial to Evaluate the Safety and Tolerability of Oral OPC-34712 as Adjunctive Therapy in Adults With Major Depressive Disorder, the Orion Trial
To assess the long-term safety and tolerability of oral OPC-34712 (brexpiprazole), given in addition to an FDA approved antidepressant (ADT) for the treatment of adults with Major Depressive Disorder (MDD)
Registry Overview
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
Recruitment status
completed
Actual enrollment (reported)
2,944 participants
Study completion date
May 18, 2017
Actual (reported)
Listed locations
11 countries · 142 sites
Trial Relationships
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Related Scientific Literature
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Study Timeline
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
OPC-34712 (Brexpiprazole) and EscitalopramOPC-34712 and DuloxetineOPC-34712 and FluoxetineOPC-34712 and Paroxetine CROPC-34712 and SertralineOPC-34712 and Venlafaxine XR
Newcomer JW, Meehan SR, Chen D, Brubaker M, Weiss C. Changes in Metabolic Parameters and Body Weight in Patients With Prediabetes Treated With Adjunctive Brexpiprazole for Major Depressive Disorder: Pooled Analysis of Short- and Long-Term Clinical Studies. J Clin Psychiatry. 2023 Aug 28;84(5):23m14786. doi: 10.4088/JCP.23m14786.
Newcomer JW, Eriksson H, Zhang P, Meehan SR, Weiss C. Changes in Metabolic Parameters and Body Weight in Patients With Major Depressive Disorder Treated With Adjunctive Brexpiprazole: Pooled Analysis of Phase 3 Clinical Studies. J Clin Psychiatry. 2019 Oct 1;80(6):18m12680. doi: 10.4088/JCP.18m12680.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Subjects who completed participation in the Double-blind Randomization Phase (i.e. Week 14 visit) in Trial 331-10-227, Trial 331-10-228, or Trial 331-12-282 or
Subjects who met criteria for a response, but did not meet criteria for remission at Week 14 of either trial
Eligible subjects from other Phase 3, Double-blind, Brexpiprazole MDD trials:
Subjects who completed the last scheduled visit of the prior Double-blind Randomized Phase 3 trial.
You may not qualify if:
Females who are breast-feeding and/or who have a positive pregnancy test result prior to receiving OPC-34712.
Subjects with a major protocol violation during the course of their participation in the Double-blind Randomization Phase
Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.
Source: ClinicalTrials.gov.
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