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
- Banner Alzheimer's Institute — Phoenix, Arizona, United States
- Dignity Health — Phoenix, Arizona, United States
- Banner Sun Health Research Institute — Sun City, Arizona, United States
- Center for Neurosciences — Tucson, Arizona, United States
- Neurology Center of North Orange County — Fullerton, California, United States
- UCI MIND — Irvine, California, United States
- University of California San Diego Medical Center — La Jolla, California, United States
- Senior Clinical Trials, Inc. — Laguna Hills, California, United States
- USC Keck School of Medicine — Los Angeles, California, United States
- Mary S. Easton Center for Alzheimer's Disease Research, UCLA — Los Angeles, California, United States
- Pacific Neuroscience Medical Group — Oxnard, California, United States
- Stanford Hospital and Clinics — Palo Alto, California, United States
- Anderson Clinical Research — Redlands, California, United States
- Pacific Research Network, Inc — San Diego, California, United States
- UCSF - Memory and Aging Center — San Francisco, California, United States
- Syrentis Clinical Research — Santa Ana, California, United States
- California Neuroscience Research Medical Group Inc. — Sherman Oaks, California, United States
- University of Colorado Denver — Aurora, Colorado, United States
- IMMUNOe International Research Centers — Centennial, Colorado, United States
- Yale University — Fairfield, Connecticut, United States
- Invicro — New Haven, Connecticut, United States
- Yale University School Of Medicine — New Haven, Connecticut, United States
- Research Center for Clinical Studies, Inc. — Norwalk, Connecticut, United States
- Georgetown University Clinical Research Unit (CRU) — Washington D.C., District of Columbia, United States
- University of Alabama at Birmingham — Birmingham, Alabama, United States
Full record on ClinicalTrials.gov
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