{"entity":{"id":"da-e2814","kind":"drug","name":"E2814","aka":[],"tldr":"E2814 is an investigational anti-tau antibody. It is not approved for dementia and is available only in research settings.","summary":"Eisai’s tau programme is listed so the atlas is not amyloid-only. Benefit and safety remain trial questions. A registry listing is not a recommendation to enrol.","status":"phase-2","asOf":"2026-09-21","links":[{"label":"ClinicalTrials.gov NCT04971733","url":"https://clinicaltrials.gov/study/NCT04971733"}],"tags":["dementia-atlas"],"related":[],"cancers":["alzheimers-disease"],"sections":[],"technologies":[],"targets":["da-target-tau"],"drugs":[],"companies":["da-eisai"],"institutions":[],"pathways":[],"terms":[],"trials":["da-trial-e2814"],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"modality":"mAb","mechanism":"Investigational antibody directed at microtubule-binding-region tau.","approvals":[],"mechanismSteps":[],"toxicity":[],"access":[],"regulatoryEvents":[]},"route":"/drugs/da-e2814/","neighbours":{"cancer":[{"id":"alzheimers-disease","kind":"cancer","name":"Alzheimer’s disease","route":"/diagnoses/alzheimers-disease/"}],"target":[{"id":"da-target-tau","kind":"target","name":"Tau","route":"/targets/da-target-tau/"}],"company":[{"id":"da-eisai","kind":"company","name":"Eisai","route":"/companies/da-eisai/"}],"trial":[{"id":"da-trial-e2814","kind":"trial","name":"E2814 tau antibody (DIAD)","route":"/trials/da-trial-e2814/"}],"technology":[{"id":"da-tech-tau-therapeutics","kind":"technology","name":"Tau-directed therapeutics","route":"/technologies/da-tech-tau-therapeutics/"}]}}