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Completed Phase 3 Interventional Results available

A Study of Donanemab (LY3002813) Compared With Aducanumab in Participants With Early Symptomatic Alzheimer's Disease (TRAILBLAZER-ALZ 4)

ClinicalTrials.gov ID: NCT05108922

Public ClinicalTrials.gov record NCT05108922. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:10 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3, Open-Label, Parallel-Group, 2-Arm Study to Investigate Amyloid Plaque Clearance With Donanemab Compared With Aducanumab-avwa in Participants With Early Symptomatic Alzheimer's Disease

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The main purpose of this study is to compare donanemab to aducanumab on brain amyloid plaque clearance in participants with early symptomatic Alzheimer's Disease (AD).

Study identification

NCT ID
NCT05108922
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Eli Lilly and Company
Industry
Enrollment
148 participants

Conditions and interventions

Eligibility (public fields only)

Age range
50 Years to 85 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 16, 2021 (Actual)
Primary completion
Sep 9, 2022 (Actual)
Completion
Sep 19, 2023 (Actual)
Last update posted
Nov 29, 2024

2021 – 2023

United States locations

U.S. sites
31
U.S. states
13
U.S. cities
30
Facility City State ZIP Site status
Neurology Center of North Orange County Fullerton California 92835 —
Irvine Clinical Research Irvine California 92614 —
California Neuroscience Research Medical Group, Inc. Sherman Oaks California 91403 —
Institute for Neurodegenerative Disorders New Haven Connecticut 06510 —
JEM Research Institute Atlantis Florida 33462 —
Brain Matters Research Delray Beach Florida 33445 —
Neuropsychiatric Research Center of Southwest Florida Fort Myers Florida 33912 —
Infinity Clinical Research, LLC Hollywood Florida 33024 —
Jacksonville Center for Clinical Research Jacksonville Florida 32216 —
Charter Research - Lady Lake Lady Lake Florida 32159 —
ClinCloud - Maitland Maitland Florida 32751 —
ClinCloud - Viera Melbourne Florida 32940 —
Merritt Island Medical Research, LLC Merritt Island Florida 32952 —
Optimus U Corporation Miami Florida 33125 —
Brainstorm Research Miami Florida 33176 —
Brain Matters Research Stuart Florida 34997 —
Axiom Clinical Research of Florida Tampa Florida 33609 —
Conquest Research Winter Park Florida 32789 —
Columbus Memory Center, PC Columbus Georgia 31909 —
Josephson Wallack Munshower Neurology, PC Indianapolis Indiana 46256 —
Donald S. Marks M.D., P.C. Plymouth Massachusetts 02360 —
Adams Clinical Watertown Massachusetts 02472 —
Clinical Research Professionals Chesterfield Missouri 63005 —
Las Vegas Medical Research Las Vegas Nevada 89113 —
The Cognitive and Research Center of New Jersey Springfield New Jersey 07081 —
Advanced Memory Research Institute of New Jersey Toms River New Jersey 08755 —
Neurology Diagnostics, Inc. Dayton Ohio 45459 —
Abington Neurological Associates, Ltd. Abington Pennsylvania 19001 —
The Clinical Trial Center, LLC Jenkintown Pennsylvania 19046 —
Kerwin Medical Center Dallas Texas 75231 —
National Clinical Research, Inc Richmond Virginia 23294 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05108922, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 29, 2024 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05108922 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →