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N/A N=5,325 Randomized Double-blind Screening

Digital Detection of Dementia (D Cubed) Studies: D2

Alzheimer Disease and Related Dementias (ADRD)

Enrolled (actual)
5,325
Serious AEs
33.3%
Results posted
Aug 2025
Primary outcome: Primary: 12-Month Cumulative Incidence of ADRD Diagnoses — 213; 134; 355 Number of new ADRD cases — p=0.006

Study Design & Population

Study type
Interventional
Phase
N/A
Interventions
Passive Digital Marker for screening for ADRD (Other)
Age
Older Adult · 65+ yrs
Sex
All
Sponsor
Indiana University
Primary completion
Jul 2024

Outcome Measures

OutcomeResultp-value
PRIMARY
12-Month Cumulative Incidence of ADRD Diagnoses
213; 134; 355 0.006 sig
SECONDARY
12-Month Cumulative Incidence of ADRD Services
879; 636; 1366 0.044 sig

Summary

The specific aim of the pragmatic trial is to evaluate the practical utility and effect of the PDM, the QDRS, and the combined approach (PDM + QDRS) in improving the annual rate of new documented ADRD diagnosis in primary care practices.

Eligibility Criteria

Inclusion Criteria

  • 65 years or older
  • At least one visit to primary care practice within the past year
  • Ability to provide informed consent
  • Ability to communicate in English or Spanish
  • Available EHR data from at least the past three years

Exclusion Criteria

  • Prior ADRD or mild cognitive impairment diagnosis as determined by ICD-10 code
  • Evidence of any history of prescription for a cholinesterase inhibitors or memantine.
  • Has serious mental illness such as bipolar or schizophrenia as determined by ICD-10 code
  • Permanent resident of a nursing facility
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT05231954). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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