A Retrospective Study of Urgent MRIs for Detection of ARIA in Lecanemab-treated Patients (P2-12.005)

Kathryn Fredrickson; Mansi Karwa; Sokratis Charisis; Alaina Bennett; Samantha Milano; John Dickson; Liliana Ramirez-Gomez; Kirk Daffner; Maria Teresa Gomez‐Isla; Michael Erkkinen

doi:10.1212/wnl.0000000000217581

June 9, 2026Neurology

A Retrospective Study of Urgent MRIs for Detection of ARIA in Lecanemab-treated Patients (P2-12.005)

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Key Points

The aim is to evaluate how effectively urgent MRIs can detect ARIA in patients treated with lecanemab.
Retrospective study design conducted at a multi-campus academic medical center
Analyzed the efficiency of urgent MRI use for identifying ARIA in treated patients
Identified new or worsening ARIA in a significant proportion of patients receiving lecanemab treatment.

Implication

Retrospective study characterizes detection efficiency of ARIA in patients treated with lecanemab, highlighting clinical implications.

Abstract

To characterize the efficiency and use of urgent MRIs for detecting new or worsening amyloid-related imaging abnormalities (ARIA) in patients receiving lecanemab at a multi-campus academic medical center.

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Cite This Study

Fredrickson et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf34dfaef96ed7f055c3e https://doi.org/10.1212/wnl.0000000000217581

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A Retrospective Study of Urgent MRIs for Detection of ARIA in Lecanemab-treated Patients (P2-12.005)

Key Points

Implication

Abstract

Discussion

Cite This Study

A Retrospective Study of Urgent MRIs for Detection of ARIA in Lecanemab-treated Patients (P2-12.005)

Key Points

Implication

Abstract

Discussion

Cite This Study

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