About this trial
To describe the incidence and severity of known adverse events, including amyloid-related imaging abnormalities-edema (ARIA-E), ARIA microhemorrhage and hemosiderin deposit (ARIA-H), and intracerebral hemorrhage greater than 1 cm in diameter in participants treated with LEQEMBI during routine clinical practice, summarizing the data overall and by apolipoprotein E4 variant (APOE4) genotype, concomitant antithrombotic therapy, and baseline magnetic resonance imaging (MRI) findings (comorbid cerebral amyloid angiopathy \[CAA\]).
The secondary purpose of this study is,
To describe progression to the next stage of Alzheimer's Disease (AD), stratified by ARIA and intracerebral hemorrhage greater than 1 cm.
To describe previously unknown adverse events related to the long-term safety of LEQEMBI in routine clinical practice, which were not identified in clinical development, as assessed by serious suspected adverse reactions, adverse reactions leading to discontinuation of LEQEMBI treatment, and deaths that occur within 30 days of discontinuation of LEQEMBI treatment (regardless of causality).
To describe drug utilization of LEQEMBI and to assess the effectiveness of risk minimization measures in routine clinical practice.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Participants with Alzheimer's Disease who are prescribed LEQEMBI in Canada.
Disqualifiers
None
Trial population
The study population comprises of participants with Alzheimer's Disease who are prescribed LEQEMBI in Canada and are enrolled into the Patient Registry.
Trial design
Cohort
Prospective
Treatments tested in this trial
No Intervention
Other interventionNo intervention.
Treatment groups
Trial outcomes
Primary outcomes
Incidence and Severity of Known AEs
Incidence and severity of known AEs will be reported. AEs will include ARIA-E and ARIA-H (including asymptomatic and symptomatic) and ICH \>1 cm in diameter in participants treated with LEQEMBI.
Secondary outcomes
Time to Progression to the Next Stage of Alzheimer's Disease
Incidence and Severity of Previously Unknown Adverse Events Related to the Long-Term Safety of LEQEMBI in Routine Clinical Practice
Incidence and severity of serious suspected adverse reactions, adverse reactions leading to discontinuation of LEQEMBI treatment, and deaths that occur within 30 days of discontinuation of LEQEMBI treatment.
Drug Utilization of LEQEMBI
Drug utilization will be assessed by count (n) and proportion (%) of age, ethnicity, sex, residential location, APOE4 genotype, AD diagnosis, baseline MRI findings, baseline antithrombotic use, participants prescribed LEQEMBI according to PM, and treatment discontinuation by reason.
Duration of Treatment
Drug Utilization of LEQEMBI will be assessed by Duration of Treatment
Sponsors and contacts
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