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Phase 3b/4 Study of Aducanumab in Alzheimer's Disease

A Phase 3b/4 Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Verify the Clinical Benefit of Aducanumab (BIIB037) in Participants with Alzheimer's Disease

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2021220027
Enrollment
1512
Registered
2022-10-25
Start date
2022-12-22
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Alzheimer's Disease

Interventions

Research Name : BIIB037 Generic Name : Aducanumab-avwa Trade Names : Aduhelm participants will receive either aducanumab 10 mg/kg or placebo IV every 4 weeks.

Sponsors

Toda Yasuo
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: -The participant must have confirmed amyloid beta pathology by CSF or amyloid PET. -The participant must have a history of subjective memory decline with gradual onset and slow progression over the last 6 months before Screening, confirmed by study partner. -The participant must meet all of the following clinical criteria for MCI due to Alzheimer's disease or mild Alzheimer's disease according to NIA-AA criteria -Have an MMSE score between 22 and 30 inclusive -Have a CDR memory score >= 0.5 -Have a CDR-GS of 0.5 or 1.0 -Have an RBANS score of 85 or lower indicative of objective cognitive impairment -The participant must be in good health, apart from a clinical diagnosis of early Alzheimer's disease, as determined by the Investigator based on medical history and screening assessments. -The participant must consent to ApoE genotyping. -The participant must have 1 informant/care partner who, in the Investigator's opinion, has frequent and sufficient contact with the participant (at least 10 hours/week in person or by phone) as to be able to provide accurate information about the participant's cognitive and functional abilities over time.

Exclusion criteria

Exclusion criteria: -Any uncontrolled medical or neurological/neurodegenerative condition (other than Alzheimer's disease) that, in the opinion of the Investigator, might be a contributing cause of the participant's cognitive impairment. -Clinically significant and/or unstable psychiatric illness within 6 months prior to Screening. -Transient ischemic attack or stroke or any unexplained loss of consciousness within 1 year prior to Screening. -History of severe allergic or anaphylactic reactions or of hypersensitivity to any of the inactive ingredients in the drug product. -Participation in any study with purported disease-modifying effect in Alzheimer's disease within 12 months prior to Screening unless documentation of receipt of placebo is available. -Current use or previous use of medications with a purported disease-modifying effect in Alzheimer's disease, outside of investigational studies. -Use of any medications that, in the opinion of the Investigator, may contribute to cognitive impairment, put the participant at higher risk for AEs, or impair the participant's ability to perform cognitive testing or complete study procedures. -Use of any investigational drug. -Prior exposure to aducanumab either commercially or by participation in a previous study with aducanumab. (Participants are eligible if they did not receive active aducanumab.) -A negative PET scan result with any amyloid-targeting ligand within 12 months prior to Screening.

Design outcomes

Primary

MeasureTime frame
Change from baseline in CDR-SB score at Week 78.

Secondary

MeasureTime frame
-Change from baseline in amyloid PET signal at Week 78 and Week 104 -Change from baseline in tau PET signal at Week 78 and Week 104 -Change from baseline in CDR-SB score at Week 106 -Change from baseline in iADRS score at Week 78 and 106 -Change from baseline in ADCS-ADL-MCI score at Week 78 and 106 -Change from baseline in ADAS-Cog13 score at Week 78 and 106 -Change from baseline in MMSE score at Week 78 and 106 -Change from baseline in NPI-10 score at Week 78 and 106 -Change from baseline in GST composite z-score(based on CDR-SB, ADAS-Cog13 and ADCSADL-MCI) at Week 78 and Week 106

Countries

Australia, Belgium, Brazil, Canada, Finland, France, Germany, Italy, Japan, Mexico, Poland, Portugal, South Korea, Spain, Sweden, Switzerland, United Kingdom, United States

Contacts

Public ContactBiogen Japan Medical Information

Biogen Japan Ltd.

japan-medinfo@biogen.com+81-120-560-086

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026