RecruitingPhase 3NCT06947941

A Study to Evaluate Safety and Efficacy of KarXT + KarX-EC as a Treatment for Psychosis Associated With Alzheimer's Disease (ADEPT-5)

A Phase 3, Randomized, Double-blind, Placebo-controlled, Parallel Group Study to Evaluate the Safety and Efficacy of KarXT + KarX-EC for the Treatment of Psychosis Associated With Alzheimer's Disease


Sponsor

Bristol-Myers Squibb

Enrollment

325 participants

Start Date

Mar 25, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

The purpose of this study is to evaluate KarXT + KarX-EC as a treatment for psychosis associated with Alzheimer's disease.


Eligibility

Min Age: 55 YearsMax Age: 90 Years

Inclusion Criteria4

  • Participants must be 55 to 90 years of age, inclusive, at the time of Screening (Visit 1).
  • Participants must be diagnosed with Alzheimer's disease in accordance with the 2024 revised criteria for diagnosis and staging of Alzheimer's Disease: Alzheimer's Association Workgroup.
  • Participants must have a magnetic resonance imaging (MRI) or computed tomography (CT) scan of the brain (completed within the past 5 years) taken during or subsequent to the onset of dementia to rule out other central nervous system (CNS) disease that could account for the dementia syndrome, eg, major stroke, neoplasm, subdural hematoma.
  • Participants must have a history of psychotic symptoms (meeting International Psychogeriatric Association criteria) for at least 2 months prior to Screening (Visit 1) (participants may or may not have symptoms of agitation).

Exclusion Criteria3

  • Participants must not have psychotic symptoms that are primarily attributable to a condition other than the AD causing the dementia, eg, schizophrenia, schizoaffective disorder, delusional disorder, or mood disorder with psychotic features.
  • Participants must not have history of major depressive episode with psychotic features during the 12 months prior to Screening, or history of bipolar disorder, schizophrenia, or schizoaffective disorder.
  • Participants must not have certain safety concerns, including certain laboratory test irregularities.

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Interventions

DRUGKarXT

Specified dose on specified days

DRUGKarX-EC

Specified dose on specified days

DRUGKarXT + KarX-EC Arm Matching Placebo

Specified dose on specified days


Locations(20)

Local Institution - 0042

Gilbert, Arizona, United States

Inland Psychiatric Medical Group.

Chino, California, United States

Local Institution - 0001

Naples, Florida, United States

Local Institution - 1401

Naples, Florida, United States

Local Institution - 0043

Shaker Heights, Ohio, United States

Local Institution - 0020

Macquarie Park, New South Wales, Australia

Local Institution - 0052

Nedlands, Western Australia, Australia

Local Institution - 0027

Whitby, Ontario, Canada

Local Institution - 0025

Montreal, Quebec, Canada

Local Institution - 0040

Suita, Osaka, Japan

Local Institution - 0035

Nankoku-shi, Japan

Local Institution - 0034

Osaka, Japan

Local Institution - 0005

Exeter, Devon, United Kingdom

Local Institution - 0018

Saint Leonards-on-Sea, East Sussex, United Kingdom

Local Institution - 0023

London, England, United Kingdom

Local Institution - 0015

Oxford, Oxfordshire, United Kingdom

Local Institution - 0009

Chertsey, Surrey, United Kingdom

Local Institution - 0017

Sheffield, Yorkshire and the Humber, United Kingdom

Local Institution - 0024

London, United Kingdom

Local Institution - 0004

Motherwell, United Kingdom

View Full Details on ClinicalTrials.gov

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NCT06947941


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