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

Stopped early · Phase 3

Conditions studied: Alzheimer's Disease

In brief

The primary objective is to evaluate the safety and tolerability of aducanumab over 100 weeks of treatment after a wash-out period imposed by discontinuation of feeder studies in participants who had previously received aducanumab (i.e. previously treated participants) or who had previously received placebo (i.e. treatment-naïve participants).

Key facts

Study ID
NCT04241068
Run by
Biogen
People needed
1696
Starts
2020-03-02
Expected to finish
2024-07-22
Last updated by the study team
2025-02-21

Who can join

Age: 50 and older, up to 90. Sex: any. Healthy volunteers: not accepted.

Where it is running

Full record on ClinicalTrials.gov

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