Therapeutics

Brexpiprazole

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Overview

Name: Brexpiprazole
Synonyms: OPC 34712
Therapy Type: Small Molecule (timeline)
Target Type: Other Neurotransmitters (timeline)
Condition(s): Alzheimer's Disease
U.S. FDA Status: Alzheimer's Disease (Phase 3)
Company: H. Lundbeck, Otsuka Pharmaceutical Co., Ltd.

Background

Brexpiprazole is an orally available dopamine receptor D2 partial agonist. This quinolinone derivative is a successor to aripiprazole (Abilify, Aripiprex), an approved, widely used drug that is also a dopamine D2 receptor partial agonist. Brexpiprazole is being developed worldwide as an add-on therapy primarily for the treatment of depression and schizophrenia, but also for agitation and other behavioral symptoms in patients with Alzheimer's disease. In addition, it is being tested in people with attention deficit hyperactivity disorder.

Findings

In July 2013, Otsuka and Lundbeck started a Phase 3 study to evaluate brexpiprazole for the treatment of agitation in 560 patients in the United States with moderate to severe Alzheimer's dementia living in a nursing home, dementia unit, assisted living facility, or other residential care facility. The trial will compare the safety, efficacy, and tolerability of three months of treatment with 0.5, 1 and 2mg of brexpiprazole or placebo given as a fixed dose once daily. The primary endpoint is change from baseline in the Cohen-Mansfield Agitation Inventory, but the trial will also measure changes in aggression, global clinical status, and quality of life.

In September, a second Phase 3 trial started enrolling what is to be a total of 230 patients. This trial explores brexpiprazole using a flexible dose titrated between 0.5 to 2 mg/day depending on efficacy and tolerability in a given patient, but is otherwise identical.

Clinical Trial Timeline

  • Phase 3
  • Study completed / Planned end date
  • Planned end date unavailable
  • Study aborted
Sponsor Clinical Trial 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
Otsuka Pharmaceutical Co., Ltd., H. Lundbeck NCT01862640
N=560
Otsuka Pharmaceutical Co., Ltd., H. Lundbeck NCT01922258
N=230

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