Status:

RECRUITING

A Study of JNJ-64042056 in Participants With Preclinical Alzheimer's Disease

Lead Sponsor:

Janssen Pharmaceutica N.V., Belgium

Conditions:

Preclinical Alzheimer's Disease

Eligibility:

All Genders

55-75 years

Phase:

PHASE2

Brief Summary

The purpose of this study is to assess the effect of JNJ-64042056 on cognitive decline, as measured by Preclinical Alzheimer's disease Cognitive Composite 5 (PACC-5) compared with placebo.

Eligibility Criteria

Inclusion

  • Elevated brain tau pathology defined as Braak 3 region of interest standardized uptake value ratio (ROI SUVR) greater than (\>) 1.1 (or equivalent based on emerging data) on a screening tau PET scan, reviewed centrally by a qualified reader to enrich for probability of disease progression during the study
  • Clinical Dementia Rating (CDR) global score of 0 at screening and baseline
  • Mini Mental State Examination (MMSE) greater than or equal to (\>=) 27 (with educational adjustment) at screening
  • Able to read and write and with a minimum 5 years of formal education as reported by participant and study partner at screening
  • A participant must be of non-childbearing potential

Exclusion

  • History consistent with or known autosomal dominant AD (mutation identified in the family and/or participant)
  • Fulfills diagnostic criteria for Alzheimer's Dementia or non-Alzheimer's Dementia, including, but not limited to Frontotemporal Dementia (FTD), Diffuse Lewy Body Dementia (DLBD), Vascular Dementia (VAD), alcoholic dementia, Parkinson's dementia, Korsakov, Creutzfeldt-Jakob or other prion diseases, Posterior Cortical Atrophy
  • Diagnosis of Mild Cognitive Impairment (MCI)
  • Vitamin B12 or folate levels below the central laboratory lower limit of normal, unless the investigator determines that supplementation is not required after randomization
  • History of or current neurological disease other than preclinical AD that may make interpretation of possible new neurological signs or symptoms difficult

Key Trial Info

Start Date :

July 22 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 7 2034

Estimated Enrollment :

498 Patients enrolled

Trial Details

Trial ID

NCT06544616

Start Date

July 22 2024

End Date

June 7 2034

Last Update

December 19 2025

Active Locations (90)

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Page 1 of 23 (90 locations)

1

Xenoscience Inc.

Phoenix, Arizona, United States, 85004

2

Irvine Clinical Research

Irvine, California, United States, 92614

3

Esperanza Clinical

Murrieta, California, United States, 92562

4

Artemis Institute for Clinical Research

Riverside, California, United States, 92503