Drugs / Brexpiprazole
last change Aug 2026 re-read 9 days ago

Brexpiprazole

Small molecule targets DRD2, HTR1A, HTR2A via activation / inhibition

Developed for
schizophrenia · major depressive disorder · post-traumatic stress disorder · Alzheimer disease · bipolar I disorder · borderline personality disorder · manic bipolar affective disorder · autism spectrum disorder
+8 more · bipolar depression · schizoaffective disorder · anxiety · schizophreniform disorder · sleep disorder · substance-related disorder · alcohol-related disorders · depressive disorder
Investigated by
Otsuka Pharmaceutical Development & Commercialization, Inc. · H. Lundbeck A/S · Otsuka Pharmaceutical Co., Ltd. · Otsuka Beijing Research Institute · Otsuka America Pharmaceutical · Augusta University
+18 more · Columbia University · Douglas Mental Health University Institute · Duke University · Jewish General Hospital · Lundbeck Canada Inc. · Massachusetts General Hospital · McMaster University · National Institute of Mental Health (NIMH) · New York State Psychiatric Institute · Otsuka Canada Pharmaceutical Inc. · Quintiles, Inc. · Sichuan Kelun Pharmaceutical Co.,Ltd. · Stony Brook Medicine · University of California, San Francisco · University of Chicago · University of Massachusetts, Worcester · University of North Carolina, Chapel Hill · University of Texas Southwestern Medical Center

Regulatory milestones approvals, filings & regulatory actions · 15 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed post-traumatic stress disorder 2 milestones
Filed US (FDA) — post-traumatic stress disorder 2024-06-25

“brexpiprazole in combination with sertraline for the treatment of adults with post-traumatic stress disorder (PTSD) has been accepted and filed by the FDA.” otsuka.co.jp ↗

“brexpiprazole in combination with sertraline for the treatment of adults with post-traumatic stress disorder (PTSD) has been accepted and filed by the FDA.” lundbeck.com ↗

“Otsuka and Lundbeck submitted an sNDA for brexpiprazole in combination with sertraline for the treatment of adults with PTSD in April 2024.” otsuka-us.com ↗

Filed US (FDA) — post-traumatic stress disorder 2024-04-04

“Otsuka and Lundbeck submit sNDA for FDA review of brexpiprazole and sertraline combination as potential treatment for PTSD” otsuka-us.com ↗

Filed schizoaffective depressive disorder 2 milestones
Filed US (FDA) — schizoaffective depressive disorder 2015-05-12

“A New Drug Application for brexpiprazole has been filed with the U.S. Food and Drug Administration (FDA)” otsuka-us.com ↗

Filed US (FDA) — schizoaffective depressive disorder 2014-09-09

“today announced the submission of a New Drug Application (NDA) to the United States Food and Drug Administration (FDA) for brexpiprazole” otsuka-us.com ↗

Filed schizophrenia 2 milestones
Filed US (FDA) Rexulti schizophrenia 2021-10-13

“the U.S. Food and Drug Administration (FDA) has accepted a Supplemental New Drug Application (sNDA) for the treatment of schizophrenia in adolescents with Rexulti® (brexpiprazole)” lundbeck.com ↗

Filed EU (EMA) — schizophrenia 2017-03-24

“the European Medicines Agency (EMA) has accepted for review a Marketing Authorization Application for brexpiprazole to treat schizophrenia in adults.” otsuka.co.jp ↗

Approved Indication not stated 5 milestones
Label expansions (5) US (FDA) REXULTI — 2016-09-23 – 2025-05-09 fda.gov ↗
Filed Japan (PMDA) Rexulti agitation associated with Alzheimer disease 2023-10-31

“has filed an application in Japan for an additional indication for Rexulti(generic name: brexpiprazole) in the treatment of agitation” otsuka.co.jp ↗

Filed US (FDA) — agitation associated with Alzheimer’s dementia 2022-12-01

“The supplemental new drug application (sNDA) for brexpiprazole in the treatment of agitation associated with Alzheimer's dementia has been accepted and filed by the FDA” lundbeck.com ↗

“The supplemental new drug application (sNDA) for brexpiprazole in the treatment of agitation associated with Alzheimer’s dementia has been accepted and filed by the FDA” lundbeck.com ↗

“Otsuka and Lundbeck announce FDA acceptance and priority review of sNDA for brexpiprazole for the treatment of agitation associated with Alzheimer’s dementia” otsuka-us.com ↗

Approved EU (EMA) Rxulti — 2018-07-26 europa.eu ↗
Approved US (FDA) REXULTI — 2015-07-10 fda.gov ↗

Trials 80 · started per year

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US approved 2015
EU approved 2018
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PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 114 trials
Phase 1 NCT07715253 Dec 2026 → Aug 2030 expected schizoaffective disorder, schizophrenia, schizophreniform disorder New York State Psychiatric Institute Not yet recruiting No outcome recorded
Phase 1 NCT06674694 Apr 2024 → Jun 2026 overdue schizophrenia Sichuan Kelun Pharmaceutical Co.,Ltd. Recruiting No outcome recorded
Phase 1 NCT06036108 Oct 2023 → Mar 2025 schizophrenia Otsuka Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 1 NCT05119894 Nov → Dec 2021 schizophrenia Otsuka Pharmaceutical Co., Ltd. Withdrawn No outcome recorded Stop: Business
Phase 1 NCT04118127 Oct 2019 → Feb 2021 schizophrenia Otsuka Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 1 NCT03734302 Apr 2019 → Jun 2020 — Otsuka Beijing Research Institute Completed No outcome recorded
Phase 1 NCT03734354 Apr 2019 → May 2020 — Otsuka Beijing Research Institute Completed No outcome recorded
Phase 1 NCT03292848 Oct 2017 → May 2018 attention deficit-hyperactivity disorder, autism, bipolar I disorder, conduct disorder +1 Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 1 NCT02968121 Jan → Dec 2017 schizophrenia Otsuka Pharmaceutical Development & Commercialization, Inc. Terminated No outcome recorded
Phase 1 NCT02875080 Sep → Nov 2016 — Otsuka Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 29 trials · 2 met primary · 3 missed
Phase 2 NCT04100096 Oct 2019 → Jun 2021 borderline personality disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Missed primary
Phase 2 NCT03418675 Nov 2018 → Dec 2020 borderline personality disorder University of Chicago Completed No outcome recorded
Phase 2 NCT02934932 Apr 2017 → Apr 2018 post-traumatic stress disorder Duke University Terminated No outcome recorded Stop: Enrollment
Phase 2 NCT03033069 Jan 2017 → Nov 2018 post-traumatic stress disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Met primary
Phase 2 NCT01052077 Mar 2010 → Oct 2011 major depressive disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Missed primary
Phase 2 NCT01447576 Sep 2009 → Dec 2012 major depressive disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 2 NCT01649557 Aug 2009 → Aug 2011 schizophrenia Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 2 NCT00905307 Jul 2009 → Sep 2010 schizophrenia Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Missed primary
Phase 2 NCT00797966 May 2009 → Jun 2010 major depressive disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Met primary
Phase 2/34 trials · 2 met primary · 1 missed
Phase 2/3 NCT04186403 Jan 2020 → Sep 2021 borderline personality disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Missed primary
Phase 2/3 NCT03620981 Aug 2018 → Apr 2023 — Otsuka Pharmaceutical Co., Ltd. Completed Met primary
Phase 2/3 NCT03697603 Jul 2018 → Jun 2022 major depressive disorder Otsuka Pharmaceutical Co., Ltd. Completed Met primary
Phase 2/3 NCT01451164 Oct 2011 → Jun 2015 schizophrenia Otsuka Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 348 trials · 9 met primary · 8 missed
Phase 3 NCT05325645 Jul 2022 → Sep 2027 expected schizophrenia Otsuka Pharmaceutical Co., Ltd. Recruiting No outcome recorded
Phase 3 NCT05326347 May 2022 → Aug 2025 schizophrenia Otsuka Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 3 NCT04569448 May 2021 → Feb 2025 overdue bipolar depression Douglas Mental Health University Institute Recruiting No outcome recorded
Phase 3 NCT04258839 Jan 2020 → Mar 2023 autism spectrum disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 3 NCT03874494 Nov 2019 → Aug 2021 schizophrenia Otsuka Beijing Research Institute Completed No outcome recorded
Phase 3 NCT04174170 Oct 2019 → Jul 2023 post-traumatic stress disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Missed primary
Phase 3 NCT04174365 Oct 2019 → Aug 2022 autism spectrum disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Missed primary
Phase 3 NCT04124614 Oct 2019 → Jul 2023 post-traumatic stress disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed Met primary
Phase 3 NCT03724942 Nov 2018 → Dec 2021 — Otsuka Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 3 NCT03594123 Oct 2018 → Sep 2022 Alzheimer disease Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 45 trials
Phase 4 NCT06580041 Nov 2024 → Sep 2029 expected major depressive disorder University of California, San Francisco Enrolling by invitation No outcome recorded
Phase 4 NCT05504486 Aug 2022 → Mar 2023 major depressive disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Withdrawn No outcome recorded Stop: Business
Phase 4 NCT04830215 Apr 2021 → May 2022 major depressive disorder Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 4 NCT03526354 Jun 2018 → Feb 2024 schizoaffective disorder, schizophrenia, substance-related disorder University of Massachusetts, Worcester Completed No outcome recorded
Phase 4 NCT03427892 Mar 2017 → Mar 2018 bipolar depression University of Texas Southwestern Medical Center Completed No outcome recorded
Comparator or background therapy8 trials
Phase 1 NCT01423916 Comparator Jul 2011 → Feb 2012 schizoaffective disorder, schizophrenia Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 1 NCT01289080 Comparator Jan → Dec 2011 schizophrenia Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 1 NCT01299454 Comparator Dec 2010 → Jun 2011 schizophrenia Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 2 NCT04066192 Comparator Oct 2020 → Aug 2026 overdue alcohol-related disorders University of Colorado, Denver Recruiting No outcome recorded
Phase 2 NCT03557931 Background Jul 2018 → Oct 2019 schizophrenia Astellas Pharma Global Development, Inc. Completed Missed primary

News releases announcing trial results or a regulatory action · 92

DateIssuerRelease
2025-09-20 Otsuka Pharmaceutical Development & Commercialization, Inc. Regulatory Otsuka and Lundbeck Receive Complete Response Letter from U.S. FDA for sNDA of REXULTI (brexpiprazole) in Combination with Sertraline for the Treatment of Adults with Post-Traumatic Stress Disorder (PTSD)® otsuka.co.jp ↗
The CRL states that the FDA has completed their review but cannot approve the application in the current form, further stating that the application does not provide substantial evidence of effectiveness to support the approval.
2025-09-20 Otsuka Pharmaceutical Development & Commercialization, Inc. Regulatory Otsuka and Lundbeck Receive Complete Response Letter from U.S. FDA for sNDA of REXULTI® (brexpiprazole) in Combination with Sertraline for the Treatment of Adults with Post-Traumatic Stress Disorder (PTSD) otsuka-us.com ↗
The CRL states that the FDA has completed their review but cannot approve the application in the current form, further stating that the application does not provide substantial evidence of effectiveness to support the approval.
2025-09-20 H. Lundbeck A/S Regulatory Otsuka and Lundbeck Receive Complete Response Letter from U.S. FDA for sNDA of REXULTI® (brexpiprazole) in Combination with Sertraline for the Treatment of Adults with Post-Traumatic Stress Disorder (PTSD) lundbeck.com ↗
The CRL states that the FDA has completed their review but cannot approve the application in the current form, further stating that the application does not provide substantial evidence of effectiveness to support the approval.
2025-07-19 Otsuka Pharmaceutical Development & Commercialization, Inc. Regulatory Otsuka and Lundbeck Issue Statement on U.S. Food and Drug Administration (FDA) Advisory Committee Meeting on REXULTI (brexpiprazole) in Combination with Sertraline for the Treatment of Adults with Post-Traumatic Stress Disorder (PTSD)® otsuka.co.jp ↗
The committee voted 1-10, concluding that the efficacy of brexpiprazole, when initiated concurrently with sertraline, has not been established for the treatment of PTSD based on the available data presented.
2025-07-18 H. Lundbeck A/S Regulatory Otsuka and Lundbeck Issue Statement on U.S. Food and Drug Administration (FDA) Advisory Committee Meeting on REXULTI® (brexpiprazole) in Combination with Sertraline for the Treatment of Adults with Post-Traumatic Stress Disorder (PTSD) lundbeck.com ↗
The committee voted 1-10, concluding that the efficacy of brexpiprazole, when initiated concurrently with sertraline, has not been established for the treatment of PTSD based on the available data presented.
2025-03-13 Otsuka Pharmaceutical Development & Commercialization, Inc. Regulatory Rxulti (brexpiprazole) approved in the European Union for the treatment of schizophrenia in adolescents aged 13 years and older® otsuka.co.jp ↗
Otsuka Pharmaceutical Co., Ltd. (Otsuka) and H. Lundbeck A/S (Lundbeck) today announced that the European Commission (EC) has approved Rxulti (brexpiprazole) for the treatment of schizophrenia in adolescents aged 13 years and older.
2025-01-10 Otsuka Pharmaceutical Development & Commercialization, Inc. Regulatory Otsuka Announces FDA Plans to Host an Advisory Committee Meeting to Discuss the sNDA for Brexpiprazole in Combination with Sertraline for the Treatment of Adults with Post-Traumatic Stress Disorder (PTSD) otsuka.co.jp ↗
The FDA's decision to host a PDAC meeting does not reflect a final decision on the approvability.
2025-01-10 Otsuka Pharmaceutical Development & Commercialization, Inc. Regulatory Otsuka Announces FDA Plans to Host an Advisory Committee Meeting to Discuss the sNDA for Brexpiprazole in Combination with Sertraline for the Treatment of Adults with Post-Traumatic Stress Disorder (PTSD) otsuka-us.com ↗
The FDA’s decision to host a PDAC meeting does not reflect a final decision on the approvability.
2025-01-01 Alembic Pharmaceuticals Ltd. Regulatory 15th January, 2025 Vadodara, India alembicpharmaceuticals.com ↗
Alembic Pharmaceuticals Limited (Alembic) announced that it has received Final Approval from the US Food & Drug Administration (USFDA) for its Abbreviated New Drug Application (ANDA) for Brexpiprazole Tablets, 0.25 mg, 0.5 mg, 1 mg, 2 mg, 3 mg and 4 mg.
2024-12-19 Otsuka Pharmaceutical Development & Commercialization, Inc. Results JAMA Psychiatry Publishes Results of Otsuka and Lundbeck's Phase 3 Trial of Brexpiprazole in Combination with Sertraline in Treatment of Post-Traumatic Stress Disorder (PTSD) in Adults otsuka.co.jp ↗
rexpiprazole in combination with sertraline demonstrated a statistically significant reduction in overall PTSD symptoms compared to sertraline plus placebo, as measured by change in CAPS-5 total score from Week 1 to Week 10B1
2024-12-18 Otsuka Pharmaceutical Development & Commercialization, Inc. Results JAMA Psychiatry Publishes Results of Otsuka and Lundbeck's Phase 3 Trial of Brexpiprazole in Combination with Sertraline in Treatment of Post-Traumatic Stress Disorder (PTSD) in Adults otsuka-us.com ↗
2024-12-18 H. Lundbeck A/S Results JAMA Psychiatry Publishes Results of Otsuka and Lundbeck's Phase 3 Trial of Brexpiprazole in Combination with Sertraline in Treatment of Post-Traumatic Stress Disorder (PTSD) in Adults lundbeck.com ↗
Brexpiprazole in combination with sertraline demonstrated a statistically significant reduction in overall PTSD symptoms compared to sertraline plus placebo, as measured by change in CAPS-5 total score from Week 1 to Week 101

All press releases naming this drug 105 releases

DateIssuerRelease
Show all 105 releases opens the full record — a long page

Evidence & citations 15 cited values

Every value below carries the sentence it was read from. 90 sources stand behind the page.

FieldValueCited text
Known as brexpiprazole “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...” NCT01360645 ↗
73

“A post hoc analysis was performed using data obtained over eight weeks from 200 Japanese patients with schizophrenia who were switched to brexpiprazole monotherapy in a...” PMID 32297486 ↗ Apr 2020

“In each cohort, subjects will receive a brexpiprazole 2 mg conventional tablet on Day 1of Period 1, the QW formulation on Day 1 of Period 2 and 3, as single and multiple dose...” NCT04118127 ↗

“oral OPC-34712 (brexpiprazole), given in addition to an FDA approved antidepressant (ADT) for the treatment of adults with Major Depressive Disorder (MDD)” NCT01360866 ↗

“CAU plan modified to include a trial of phenelzine (or, if contraindicated: brexpiprazole).” NCT06580041 ↗

“OPC-34712 (brexpiprazole)” NCT01360632 ↗

NCT04174170 ↗

NCT01838681 ↗

NCT03557931 ↗

NCT03734302 ↗

NCT03427892 ↗

Show 63 more sources

Known as Brexpiprazol ChEMBL registry synonym — accepted as the source's own label CHEMBL2105760 ↗
Known as Brexpiprazole fumarate “OPC-34712FUM/ Brexpiprazole fumarate” NCT05325645 ↗
2

“OPC-34712FUM/ Brexpiprazole fumarate” NCT06036108 ↗

“OPC-34712FUM/ Brexpiprazole fumarate” NCT05326347 ↗

Known as OPC-34712 “A Phase 2/3 Multicenter, Placebo-controlled, Randomized, Double-blind, Parallel-group Comparison Trial to Evaluate the Efficacy and Safety of Brexpiprazole (OPC-34712) in the...” NCT03620981 ↗
26

“Fixed-dose Brexpiprazole (OPC-34712) as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder With and Without Anxious Distress” NCT02196506 ↗

“To compare the effect of OPC-34712 (brexpiprazole) to the effect of placebo (an inactive substance) as add on treatment” NCT01360632 ↗

“Efficacy, Safety, and Tolerability of Brexpiprazole (OPC-34712) as Maintenance Treatment in Adults With Schizophrenia” NCT01668797 ↗

“Brexpiprazole (OPC-34712) as an Adjunctive Treatment in Adults With Major Depressive Disorder and Anxiety Symptoms” NCT02013531 ↗

“Monotherapy Brexpiprazole (OPC-34712) Trial in the Treatment of Adults With Early-Episode Schizophrenia” NCT02013622 ↗

“OPC-34712 [Brexpiprazole] High Dose” NCT01396421 ↗

“Brexpiprazole (OPC-34712)” NCT02411695 ↗

“Brexpiprazole (OPC-34712)” NCT03198078 ↗

“Brexpiprazole, OPC-34712” NCT01922258 ↗

“Brexpiprazole, OPC-34712” NCT01862640 ↗

Show 16 more sources

Known as OPC-34712FUM “OPC-34712FUM/ Brexpiprazole fumarate” NCT05325645 ↗
2

“OPC-34712FUM/ Brexpiprazole fumarate” NCT06036108 ↗

“OPC-34712FUM/ Brexpiprazole fumarate” NCT05326347 ↗

Known as OPDC-34712 “Brexpiprazole, OPDC-34712” NCT02968121 ↗
Known as Rexulti ClinicalTrials.gov intervention name — accepted as the source's own label NCT03418675 ↗
Known as Rxulti ChEMBL registry synonym — accepted as the source's own label CHEMBL2105760 ↗
Action Activate “Serotonin 1a (5-HT1a) receptor partial agonist” CHEMBL2105760 ↗
1

“Dopamine D2 receptor partial agonist” CHEMBL2105760 ↗

Action Inhibit “Serotonin 2a (5-HT2a) receptor antagonist” CHEMBL2105760 ↗
Modality Small molecule — CHEMBL2105760 ↗
Route Oral “Tablets, Oral, 1 - 4 mg OPC-34712 variable dose once daily, 14 weeks” NCT00797966 ↗
Target DRD2 “Dopamine D2 receptor partial agonist” CHEMBL2105760 ↗
Target HTR1A “Serotonin 1a (5-HT1a) receptor partial agonist” CHEMBL2105760 ↗
Target HTR2A “Serotonin 2a (5-HT2a) receptor antagonist” CHEMBL2105760 ↗