Last Updated: May 24, 2026

CLINICAL TRIALS PROFILE FOR BREXPIPRAZOLE


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All Clinical Trials for BREXPIPRAZOLE

Trial ID Title Status Sponsor Phase Start Date Summary
NCT01360632 ↗ Study of the Safety and Efficacy of Two Fixed Doses of OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder (the Polaris Trial) Completed Otsuka Pharmaceutical Development & Commercialization, Inc. Phase 3 2011-06-01 To compare the effect of OPC-34712 (brexpiprazole) to the effect of placebo (an inactive substance) as add on treatment to an assigned FDA approved antidepressant treatment (ADT) in patients with Major Depressive Disorder who demonstrate an incomplete response to a prospective trial of the same assigned FDA approved ADT
NCT01360645 ↗ Study of the Safety and Efficacy of Fixed Dose OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder (the Pyxis Trial) Completed Otsuka Pharmaceutical Development & Commercialization, Inc. Phase 3 2011-07-01 To compare the effect of OPC-34712 (brexpiprazole) to the effect of placebo (an inactive substance) as add on treatment to an assigned FDA approved antidepressant treatment (ADT) in patients with Major Depressive Disorder who demonstrate an incomplete response to a prospective trial of the same assigned FDA approved ADT
NCT01360866 ↗ Safety and Tolerability of Oral OPC-34712 as Adjunctive Therapy in Adults With Major Depressive Disorder (the Orion Trial) Completed Otsuka Pharmaceutical Development & Commercialization, Inc. Phase 3 2011-10-01 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)
NCT01668797 ↗ Efficacy, Safety, and Tolerability of Brexpiprazole (OPC-34712) as Maintenance Treatment in Adults With Schizophrenia Completed Quintiles, Inc. Phase 3 2012-10-01 The purpose of this study is to evaluate the efficacy of brexpiprazole compared with placebo as maintenance treatment in adults with schizophrenia.
NCT01668797 ↗ Efficacy, Safety, and Tolerability of Brexpiprazole (OPC-34712) as Maintenance Treatment in Adults With Schizophrenia Completed Otsuka Pharmaceutical Development & Commercialization, Inc. Phase 3 2012-10-01 The purpose of this study is to evaluate the efficacy of brexpiprazole compared with placebo as maintenance treatment in adults with schizophrenia.
NCT01670279 ↗ Phase 1 Study to Assess the Safety/Tolerability of Brexpiprazole as Adjunctive Therapy in Elderly Subjects With Major Depressive Disorder Completed H. Lundbeck A/S Phase 1 2012-07-01 The purpose of this study is to assess the safety and tolerability of ascending multiple oral doses of brexpiprazole as adjunctive therapy in the treatment of elderly subjects with MDD.
NCT01670279 ↗ Phase 1 Study to Assess the Safety/Tolerability of Brexpiprazole as Adjunctive Therapy in Elderly Subjects With Major Depressive Disorder Completed Otsuka Pharmaceutical Development & Commercialization, Inc. Phase 1 2012-07-01 The purpose of this study is to assess the safety and tolerability of ascending multiple oral doses of brexpiprazole as adjunctive therapy in the treatment of elderly subjects with MDD.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for BREXPIPRAZOLE

Condition Name

Condition Name for BREXPIPRAZOLE
Intervention Trials
Schizophrenia 18
Major Depressive Disorder 13
Depression 6
Mental Disorders 5
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Condition MeSH

Condition MeSH for BREXPIPRAZOLE
Intervention Trials
Disease 32
Depressive Disorder 27
Depression 27
Depressive Disorder, Major 24
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Clinical Trial Locations for BREXPIPRAZOLE

Trials by Country

Trials by Country for BREXPIPRAZOLE
Location Trials
United States 406
Canada 20
Poland 12
Japan 11
Germany 11
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Trials by US State

Trials by US State for BREXPIPRAZOLE
Location Trials
California 32
New York 28
Florida 27
Texas 27
Georgia 20
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Clinical Trial Progress for BREXPIPRAZOLE

Clinical Trial Phase

Clinical Trial Phase for BREXPIPRAZOLE
Clinical Trial Phase Trials
PHASE1 2
Phase 4 6
Phase 3 45
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Clinical Trial Status

Clinical Trial Status for BREXPIPRAZOLE
Clinical Trial Phase Trials
Completed 40
Recruiting 22
Terminated 6
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Clinical Trial Sponsors for BREXPIPRAZOLE

Sponsor Name

Sponsor Name for BREXPIPRAZOLE
Sponsor Trials
Otsuka Pharmaceutical Development & Commercialization, Inc. 39
H. Lundbeck A/S 28
Otsuka Pharmaceutical Co., Ltd. 26
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Sponsor Type

Sponsor Type for BREXPIPRAZOLE
Sponsor Trials
Industry 107
Other 38
NIH 1
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Brexpiprazole (Rexulti): Clinical Trials Update, Market Analysis, and 2025-2035 Projection

Last updated: April 25, 2026

What is brexpiprazole and where is it used commercially?

Brexpiprazole (Rexulti; Otsuka/Lundbeck) is an oral atypical antipsychotic with regulatory approvals across psychiatric indications. The drug’s commercial footprint is driven primarily by schizophrenia and major depressive disorder (MDD), with other label components varying by region.

What do the latest clinical trials landscape signals show?

Public trial registries and company-reported programs indicate brexpiprazole’s R&D focus is on label expansion, switching from or augmentation with existing psychiatric regimens, and long-term safety/tolerability evidence in defined patient populations. The measurable near-term signal for pipeline value is not necessarily “new chemistry,” but trial completion and label-readiness milestones tied to incremental use cases.

Key clinical development themes (current programs and typical endpoints):

  • Adjunctive treatment in MDD (humanistic scales and clinician-rated measures; safety and functional endpoints)
  • Schizophrenia and relapse-risk management (symptom control and tolerability in longer-duration settings)
  • Real-world aligned outcomes (adherence, persistence, weight/metabolic monitoring, and treatment-emergent events)

How to read the clinical signal for market impact For brexpiprazole, incremental market share typically comes from:

  • Faster adoption in physician workflows via guideline-aligned positioning as add-on therapy
  • Preference shifts driven by tolerability profiles (sedation, akathisia, weight gain trade-offs) relative to comparator atypicals
  • Payer coverage and formulary stability tied to comparative effectiveness evidence

(Clinical trial updates and timelines depend on trial-level registry status and manufacturer disclosure schedules.)

Which competitive set determines brexpiprazole’s pricing and share trajectory?

Brexpiprazole’s competitive market is the atypical antipsychotic and adjunctive depression space. The main share drivers include:

  • Schizophrenia: other second-generation antipsychotics (SGAs) used as first-line or for switching
  • MDD adjunct: SGAs used as antidepressant add-ons

Competitive dynamics that shape revenue

  • Formulary tiering and prior authorization rules
  • Brand-to-generic switching pressure on older agents
  • Comparative tolerability and metabolic risk perceptions among payers and clinicians

Where does brexpiprazole sit in the revenue value chain?

Brexpiprazole’s revenue profile typically reflects:

  • US core sales anchored in branded use where generic pressure is limited by molecule status
  • Geographic diversification depending on regional approval dates and payer mechanisms
  • Seasonality tied to psychiatry prescribing patterns and formulary updates

Market size and demand drivers

Brexpiprazole demand is tied to prevalence and treatment adherence in:

  • schizophrenia (ongoing maintenance therapy)
  • MDD (adjunct in partial/non-response to antidepressants)

Demand drivers that materially affect 2025-2035 outcomes

  • Persistence on therapy after initial response
  • Rate of treatment augmentation in MDD after antidepressant monotherapy failure
  • Switching cycles from older antipsychotics due to tolerability and guideline changes
  • Net price after rebates, discounts, and payer contracting

2025-2035 market projection framework

A business-grade projection must separate: 1) Baseline growth from population-treatment dynamics and persistence improvements
2) Share change from competitive positioning (tolerability, payer access)
3) Price/rebate trajectory (flat vs erosion from contracting)
4) New indication monetization (only if trials translate into label changes within the horizon)

Given brexpiprazole is already marketed in major indications, the projection is dominated by share and access rather than launch dynamics typical of first-in-class drugs.

Scenario-based projection (US + major markets combined)

Below is a directional revenue projection range by scenario. The ranges are designed to capture uncertainty around share gain, payer pressure, and incremental uptake from ongoing clinical programs.

Brexpiprazole revenue forecast (2025-2030 and 2031-2035)

Values shown are index-based revenue trajectories (Base=100 in 2025) to support decisioning under uncertainty.

Year Base case (Index) Upside case (Index) Downside case (Index)
2025 100 100 100
2026 104 107 101
2027 108 114 100
2028 112 121 99
2029 116 127 99
2030 120 133 100
2031 124 138 101
2032 128 143 102
2033 132 147 104
2034 136 151 105
2035 140 155 107

Interpretation for investors and planners

  • Base case: continued share stability with modest growth from MDD add-on and long-term continuity
  • Upside case: clinical evidence + payer adoption improves conversion of partial/non-response patients and increases persistence
  • Downside case: formulary tightening or competitor share gains cap growth; price erosion offsets volume

What catalysts could shift brexpiprazole from Base to Upside?

The most direct economic catalysts are:

  • Completion and positive readouts that strengthen the evidence package in MDD adjunct or specific schizophrenia subgroups
  • Payer-friendly comparative messaging that reduces access friction (fewer PA requirements, better tiering)
  • Evidence supporting tolerability-driven switching (especially weight/metabolic and discontinuation reasons)

What risks could push brexpiprazole toward Downside?

Material risks include:

  • Competitive intensification as other SGAs capture incremental MDD or schizophrenia switching
  • Increased payer controls (step edits, restrictions on adjunct use)
  • Safety-driven discontinuations that reduce persistence even with modest symptom response

Pricing and access: what determines net revenue path

Net revenue depends on:

  • List price vs net price: rebates and discounts
  • Formulary status: preferred vs non-preferred tiers
  • Utilization management: prior authorization and step therapy
  • Contract renegotiation cycles tied to patient outcomes and comparative evidence

For branded CNS products, net revenue frequently diverges from gross sales due to contracting. The projection assumes continued contracting discipline rather than abrupt list-price actions.

Clinical trial update focus: what to track next

For decision-making, track these trial status items as “value events”:

  • Top-line readout dates tied to primary endpoints
  • Regulatory submissions tied to label expansion or new population claims
  • Long-term extension safety reporting that supports persistence and reduces discontinuation friction
  • Subgroup findings that influence payer coverage policy

Market actions for brexpiprazole stakeholders

Commercial execution typically centers on:

  • Physician education around augmentation decision thresholds
  • Payer contracting anchored in real-world adherence and tolerability
  • Patient support programs that improve initiation-to-continuation conversion

Key Takeaways

  • Brexpiprazole’s revenue base is anchored in established psychiatric indications; near-term monetization is driven by persistence, payer access, and share within SGA and MDD adjunct markets rather than launch-style growth.
  • The clinical pipeline signal matters most when it converts into payer-ready evidence that supports broader adoption and fewer utilization barriers.
  • 2025-2035 outcomes are best modeled as scenario ranges with the Base case showing modest growth, Upside tied to improved uptake and persistence, and Downside tied to formulary and competitive pressure capping growth.
  • Monitoring value events should prioritize trial readouts tied to primary endpoints, long-term safety, and any label expansion that changes payer policy.

FAQs

  1. What indications drive brexpiprazole revenue most consistently?
    Schizophrenia and major depressive disorder (adjunctive use) are the core commercialization engines.

  2. What clinical outcomes most affect commercial uptake for brexpiprazole?
    Persistence, tolerability, and evidence that reduces access friction in MDD adjunct workflows.

  3. Which factor has the largest impact on net revenue vs gross sales?
    Payer contracting terms including rebates, tiering, and utilization management.

  4. How should investors treat brexpiprazole’s pipeline given it is already marketed?
    As incremental evidence generation that can shift payer and physician behavior more than as a standalone revenue inflection.

  5. What is the best way to de-risk 2025-2035 revenue projections?
    Use scenario ranges tied to trial readouts, formulary status changes, and persistence metrics rather than single-point forecasts.

References

[1] American Psychiatric Association. (n.d.). Practice guideline for the treatment of patients with schizophrenia. APA.
[2] FDA. (n.d.). Rexulti (brexpiprazole) prescribing information. US Food and Drug Administration.
[3] ClinicalTrials.gov. (n.d.). Brexpiprazole studies. National Library of Medicine.
[4] EMA. (n.d.). Rexulti (brexpiprazole) EPAR. European Medicines Agency.

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