# E2814 tau antibody (DIAD)

Source: https://onco.cc/trials/da-trial-e2814/  
OnCo record `da-trial-e2814` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

A Phase 2 study of E2814, an investigational anti-tau antibody, in people with genetic early Alzheimer’s disease.

## Summary

Target-engagement and safety study in a DIAD population. Not an approved treatment and not a DIY protocol.

## Fields

- Kind: Trial
- Status: recruiting
- Last checked: 2026-09-21
- Tags: dementia-atlas
- Registry id: NCT04971733
- Phase: 2
- Setting: Dominantly inherited Alzheimer’s disease
- Sponsor: Eisai

## Sources

- ClinicalTrials.gov NCT04971733: https://clinicaltrials.gov/study/NCT04971733

## Connected records

- diagnoses: [Alzheimer’s disease](https://onco.cc/diagnoses/alzheimers-disease/)
- drugs: [E2814](https://onco.cc/drugs/da-e2814/)
- companies: [Eisai](https://onco.cc/companies/da-eisai/)

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JSON: https://onco.cc/api/v1/entities/da-trial-e2814.json