Get help now — free helplines

You can call any of these for free. You do not need a diagnosis, an appointment, or a crisis to call — questions and plain exhaustion are reasons enough.

  • Alzheimer's Association 24/7 Helpline 800-272-3900 24 hours a day, 365 days a year Free, confidential support and information for people with dementia, caregivers, families and the public. Master's-level clinicians. Also Spanish.
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In a medical emergency, call 911. More numbers, and what each line does, on the help page.

Every row

Showing 1 of 382 rows. One row per study per exposure: a study that tested two different things appears twice, once for each.

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Research and outcomes, 1 row. Every row links to its source.
Exposure Question Direction Outcome measured Design People Effect size, as the source reported it Source
Anti-amyloid antibody Medicines Treatment No direction reported
why

Mechanistic multi-omic profiling of blood from three ARIA-positive patients and three matched controls on lecanemab. It describes a clonally expanded cytotoxic CD8+ T-cell signature and estimates no clinical effect.

Peripheral CD8+ T-cell signature in lecanemab-associated ARIA case-control study 6 not established — pubmed abstract reports no numeric effect size. Nature Communications 2026
✓ Peer-reviewed PMID 41617706

How this table was built, and where it is weak →