~53 spots leftby Apr 2026

An Efficacy and Safety Study of Atabecestat in Participants Who Are Asymptomatic at Risk for Developing Alzheimer's Dementia

(EARLY Trial)

Recruiting in Palo Alto (17 mi)
+127 other locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 2 & 3
Waitlist Available
Sponsor: Janssen Research & Development, LLC
No Placebo Group
Prior Safety Data

Trial Summary

What is the purpose of this trial?

The purpose of this study is to evaluate whether treatment with atabecestat slows cognitive decline compared with placebo treatment, as measured by a composite cognitive measure, the Preclinical Alzheimer Cognitive Composite (PACC), in amyloid-positive participants who are asymptomatic at risk for developing Alzheimer's dementia.

Eligibility Criteria

Inclusion Criteria

Participant must have a global Clinical Dementia Rating Scale- (CDR) score of '0' at Screening
Participants 60 to 64 years of age must also have 1 of the following 3 conditions: a) a positive family history for dementia (minimum of 1 first degree relative), b) a previously known apolipoprotein E, ε4 allele (APOE ɛ4) genotype, c) a previously known biomarker status demonstrating elevated amyloid accumulation in cerebrospinal fluid (CSF) or positron emission tomography (PET)
Participant must be able to read and write and must have adequate hearing and visual acuity to complete the psychometric tests. The legally acceptable representative must also be able to read and write
See 2 more

Treatment Details

Interventions

  • Atabecestat (Beta-secretase inhibitor)
  • Placebo (Drug)
Participant Groups
3Treatment groups
Experimental Treatment
Group I: Group 3Experimental Treatment1 Intervention
Participants will receive one matching placebo tablet orally once daily up to 54 months.
Group II: Group 2Experimental Treatment1 Intervention
Participants will receive one atabecestat, 25 mg tablet orally once daily up to 54 months.
Group III: Group 1Experimental Treatment1 Intervention
Participants will receive one atabecestat, 5 milligram (mg) tablet orally once daily up to 54 months.

Find a Clinic Near You

Research Locations NearbySelect from list below to view details:
NCT02569398Washington, United States
NCT02569398Downey, CA
NCT02569398Ocoee, FL
NCT02569398Amherst, NY
More Trial Locations
Loading ...

Who Is Running the Clinical Trial?

Janssen Research & Development, LLCLead Sponsor

References