A Study to Assess Efficacy and Safety of KarXT for the Treatment of Psychosis Associated With Alzheimer's Disease (ADEPT-2)
NCT06126224 · Status: RECRUITING · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 500
Last updated 2026-05-11
Summary
This is a Phase 3, randomized, double-blind, placebo-controlled, parallel group study to evaluate the safety and efficacy of KarXT in male and female subjects who are aged 55 to 90 years and have mild to severe Alzheimer's Disease (AD) with moderate to severe psychosis related to AD.
The primary objective of the study is to evaluate the efficacy of KarXT compared with placebo in the treatment of subjects with psychosis associated with AD as measured by the Neuropsychiatric Inventory-Clinician (NPI-C): Hallucinations and Delusions (H+D) score.
Conditions
- Psychosis Associated With Alzheimer's Disease
Interventions
- DRUG
-
KarXT
KarXT 20/2 mg (total daily dose \[TDD\] 60/6 mg) KarXT 30/3 mg (TDD 90/9 mg) KarXT 40/4 mg (TDD 120/12 mg) KarXT 50/5 mg (TDD 150/15 mg) KarXT 66.7/6.67 mg (TDD 200/20 mg)
- DRUG
-
Placebo capsules
Sponsors & Collaborators
-
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
lead INDUSTRY
Principal Investigators
-
Bristol-Myers Squibb · Bristol-Myers Squibb
Study Design
- Allocation
- RANDOMIZED
- Purpose
- TREATMENT
- Masking
- QUADRUPLE
- Model
- PARALLEL
Eligibility
- Min Age
- 55 Years
- Max Age
- 90 Years
- Sex
- ALL
- Healthy Volunteers
- No
Timeline & Regulatory
- Start
- 2023-08-28
- Primary Completion
- 2026-12-09
- Completion
- 2026-12-09
- FDA Drug
- Yes
Countries
- United States
- Belgium
- Canada
- Chile
- China
- Greece
- Hungary
- Mexico
- Peru
- Poland
- South Korea
- Switzerland
- Turkey (Türkiye)
- United Kingdom
Study Locations
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