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Life sciences · Observational Study
ClinicalTrials.gov · September 21, 2026
No summary has been generated for this record yet. What follows is drawn from its source metadata only.
Observational Study.
No findings were extractable from the material analysed.
Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.
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Registry record from ClinicalTrials.gov (NCT07723950). This is a study registration, not published results. Lead sponsor: Eisai Inc.. Recruitment status: ACTIVE_NOT_RECRUITING. Study type: OBSERVATIONAL. Enrollment: 600 participants (ESTIMATED). Conditions: Alzheimer's Disease. Interventions: OTHER: No intervention. Primary outcome measures: Positive Predictive Value (PPV) of algorithms to identify intracerebral hemorrhage >1 cm in diameter , Up to 9.5 years. Brief summary: The primary objective of this study is to develop and validate claims-based algorithms to identify intracerebral hemorrhage \>1 cm in diameter, ensuring differentiation from amyloid-related imaging abnormality-microhemorrhage and hemosiderin deposit (ARIA-H; microhemorrhage, superficial siderosis) in participants with Alzheimer's disease (AD) using claims data in the United States (US) with linkage to electronic health records (EHRs), and to estimate the positive predictive values (PPVs) of the algorithms. The secondary objective of the study is to validate claims-based algorithms to identify new-onset seizures in participants with AD using US claims data with linkage to EHRs and to estimate the PPVs of the algorithms.