Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Terminated Phase 2 Interventional Results available

A Study of Aducanumab in Participants With Mild Cognitive Impairment Due to Alzheimer's Disease or With Mild Alzheimer's Disease Dementia to Evaluate the Safety of Continued Dosing in Participants With Asymptomatic Amyloid-Related Imaging Abnormalities

ClinicalTrials.gov ID: NCT03639987

Public ClinicalTrials.gov record NCT03639987. 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 Jun 26, 2026, 7:14 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 2, Multicenter, Randomized, Parallel-Group, Double-Blind, Controlled Study of Aducanumab (BIIB037) in Subjects With Mild Cognitive Impairment Due to Alzheimer's Disease or With Mild Alzheimer's Disease Dementia to Evaluate the Safety of Continued Dosing in Subjects With Asymptomatic Amyloid-Related Imaging Abnormalities

Study identification

NCT ID
NCT03639987
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Biogen
Industry
Enrollment
52 participants

Conditions and interventions

Interventions

  • Aducanumab Drug
  • Placebo Drug

Drug

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
Dec 19, 2018
Primary completion
Jul 29, 2019
Completion
Jul 29, 2019
Last update posted
Sep 15, 2021

2018 – 2019

United States locations

U.S. sites
22
U.S. states
12
U.S. cities
21
Facility City State ZIP Site status
Banner Alzheimer's Institute Phoenix Arizona 85006
Center for Neurosciences Tucson Arizona 85718
Neurology Center of North Orange County Fullerton California 92835
Pacific Neuroscience Medical Group Oxnard California 93030
Pacific Research Network, Inc San Diego California 92103
California Neuroscience Research Medical Group Inc. Sherman Oaks California 91403
JEM Research Institute Atlantis Florida 33462
Brain Matters Research Delray Beach Florida 33445
Neuropsychiatric Research Center of Southwest Florida Fort Myers Florida 33912
Bioclinica Orlando Orlando Florida 32806
Bioclinica Orlando The Villages Florida 32162
Medical Research Health and Education Foundation, Inc Columbus Georgia 31909
Josephson, Wallack, Munshower Neurology, P.C. Indianapolis Indiana 46256
Las Vegas Medical Research Las Vegas Nevada 89113
Advanced Memory Research Institute of NJ, PC Toms River New Jersey 08755
Lynn Health Science Institute Oklahoma City Oklahoma 73112
Neurology Clinic, PC Cordova Tennessee 38108
Senior Adult Specialty Research Austin Texas 78757
Baylor College Of Medicine Houston Texas 77030
Clinical Trial Network Houston Texas 77074
National Clinical Research Inc.-Richmond Richmond Virginia 23294
Kingfisher Cooperative, LLC Spokane Washington 99202

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 NCT03639987, 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 Sep 15, 2021 · Synced Jun 26, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03639987 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →