Brexpiprazole for the Treatment of Patients With Agitation Associated With Dementia of the Alzheimer's Type

NCT ID: NCT03620981

Last Updated: 2024-11-14

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2/PHASE3

Total Enrollment

410 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-08-20

Study Completion Date

2023-05-15

Brief Summary

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To evaluate the superiority of brexpiprazole 1 mg or 2 mg over placebo after a 10-week treatment regimen for agitation associated with dementia of the Alzheimer's type in patients who require medication, and to investigate the safety of brexpiprazole and identify the optimum dose.

Detailed Description

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Conditions

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Agitation Associated With Dementia of the Alzheimer's Type

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Brexpiprazole, 1mg/day

Drug: 1mg/day Once daily for 10 weeks

Group Type EXPERIMENTAL

Brexpiprazole

Intervention Type DRUG

Drug: 1 tablet /day Once daily for 10 weeks

Brexpiprazole, 2mg/day

Drug: 2mg/day Once daily for 10 weeks

Group Type EXPERIMENTAL

Brexpiprazole

Intervention Type DRUG

Drug: 1 tablet /day Once daily for 10 weeks

Placebo

Drug: Placebo (0mg/day) Once daily for 10 weeks

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo: 1 tablet /day Once daily for 10 weeks

Interventions

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Brexpiprazole

Drug: 1 tablet /day Once daily for 10 weeks

Intervention Type DRUG

Placebo

Placebo: 1 tablet /day Once daily for 10 weeks

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Patients who satisfy both of the following diagnostic criteria:

1. Diagnosis of "Dementia due to Alzheimer's Disease" according to DSM-5.
2. Diagnosis of "Probable Alzheimer's Disease" according to NINCDS-ADRDA.
* Hospitalized patients or care facility patients or care at home patients
* Patients with an MMSE score of 1 to 22
* Patients who have the agitation defined according to the "Consensus provisional definition of agitation in cognitive disorders" from the International Psychogeriatric Association (IPA)

Exclusion Criteria

* Patients who have dementia other than dementia of the Alzheimer's type
* Patients diagnosed with delirium between 30 days before the screening examination and baseline evaluation according to DSM-5.
* Patients diagnosed with any of the following disorders according to DSM-5:

* Schizophrenia spectrum and other psychotic disorders
* Bipolar and related disorders
* Major depressive disorder
Minimum Eligible Age

55 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Otsuka Pharmaceutical Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Jisenkai Nanko Psychiatric Institute

Shirakawa, , Japan

Site Status

Countries

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Japan

References

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Nakamura Y, Adachi J, Hirota N, Iba K, Sasajima C, Shimizu K, Nakai M, Takahashi K. Brexpiprazole's impacts on patients and caregivers in agitation in Alzheimer's dementia. Alzheimers Dement. 2025 Jul;21(7):e70522. doi: 10.1002/alz.70522.

Reference Type DERIVED
PMID: 40717666 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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331-102-00088

Identifier Type: -

Identifier Source: org_study_id

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