We're building a better ClinicalTrials.gov. Check it out and tell us what you think!
Try the New Site
We're building a modernized ClinicalTrials.gov! Visit Beta.ClinicalTrials.gov to try the new functionality.
Working…
ClinicalTrials.gov

Key Record Dates

ClinicalTrials.gov Identifier: NCT04241068
Brief Title: A Study to Evaluate Safety and Tolerability of Aducanumab in Participants With Alzheimer's Disease Who Had Previously Participated in the Aducanumab Studies 221AD103, 221AD301, 221AD302 and 221AD205

First Submitted : January 22, 2020
First Submitted that Met QC Criteria : January 22, 2020
First Posted : January 27, 2020

Last Update Submitted that Met QC Criteria : April 13, 2023
Last Update Posted : April 18, 2023