A Post Marketing Study in Participants With Early Alzheimer's Disease Treated With Lecanemab
A Multicenter, Postmarketing Observational Study to Evaluate Safety Regarding Amyloid-Related Imaging Abnormalities and Their Management in Patients With Early Alzheimer's Disease and Treated With Lecanemab
1 other identifier
observational
5,000
1 country
3
Brief Summary
The primary purpose of this study is to investigate the characteristics of amyloid related imaging abnormalities (ARIA) and investigate the treatment continuation status (e.g., continuation, interruption) after the onset of ARIA in routine clinical practice in participants treated with lecanemab.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Feb 2024
Longer than P75 for all trials
3 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 14, 2024
CompletedFirst Submitted
Initial submission to the registry
March 14, 2024
CompletedFirst Posted
Study publicly available on registry
March 21, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 31, 2027
January 23, 2026
January 1, 2026
3.9 years
March 14, 2024
January 22, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Number of Participants With Amyloid Related Imaging Abnormality-Oedema/Effusion (ARIA-E) and Amyloid Related Imaging Abnormality-Microhemorrhage and Hemosiderin Deposit, and Cerebellar Microhaemorrhage (ARIA-H)
Up to 156 weeks
Number of Participants With Interruption or Discontinuation of Lecanemab After Onset of ARIA
Up to 156 weeks
Secondary Outcomes (1)
Number of Participants With Infusion Related Reaction
Up to 156 weeks
Study Arms (1)
All Participants
Participants prescribed lecanemab by a physician in routine clinical practice (post-marketing surveillance) will be observed prospectively for up to a maximum of 156 weeks or to the time of discontinuation, whichever occurs first.
Interventions
Eligibility Criteria
Participants prescribed lecanemab by a physician in routine clinical practice.
You may qualify if:
- All participants who are treated with lecanemab in routine clinical practice
You may not qualify if:
- None
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Eisai Co., Ltd.lead
Study Sites (3)
Eisai trial site 2
Hiroshima, Japan
Eisai trial site 3
Kyoto, Japan
Eisai trial site 1
Tokyo, Japan
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 14, 2024
First Posted
March 21, 2024
Study Start
February 14, 2024
Primary Completion (Estimated)
December 31, 2027
Study Completion (Estimated)
December 31, 2027
Last Updated
January 23, 2026
Record last verified: 2026-01
Data Sharing
- IPD Sharing
- Will share
Eisai's data sharing commitment and further information on how to request data can be found on our website http://eisaiclinicaltrials.com/.