BMS Taps Eisai’s Alzheimer’s Partner in Massive $1.35B Biobucks Deal

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This collaboration between Bristol Myers Squibb (BMS) and BioArctic signals a deeper commitment by BMS to tackling Alzheimer’s disease through innovative approaches. Here’s a breakdown of the key details:

Deal Overview:

  • Upfront Payment: $100 million.
  • Milestone Payments: Up to $1.25 billion, making the total deal potentially worth $1.35 billion.
  • Royalties: BioArctic will receive tiered low double-digit royalties on future sales.

Target Programs:

  • Pyroglutamate-Amyloid-Beta Antibodies:
    • BAN1503 and BAN2803 target pyroglutamate-modified amyloid-beta, a toxic form of amyloid-beta linked to Alzheimer’s plaques.
    • This represents a novel approach to targeting the protein believed to play a central role in Alzheimer’s progression.
  • Brain Transporter Technology:
    • BAN2803 incorporates BioArctic’s proprietary Brain Transporter technology.
    • This innovation uses transferrin receptor proteins to cross the blood-brain barrier, offering advantages such as faster uptake, improved efficacy, lower side effects, and reduced dosing requirements.

Broader Implications:

  • BioArctic’s Success: The deal marks BioArctic’s first licensing agreement featuring its Brain Transporter technology. News of the collaboration boosted BioArctic’s stock by ~30%.
  • BMS’s Strategy:
    • BMS continues to expand its neuroscience portfolio.
    • The company recently acquired Karuna Therapeutics for $14 billion, adding KarXT, a drug now approved for schizophrenia and in trials for Alzheimer’s psychosis.
    • This focus demonstrates BMS’s intent to address both the cognitive and psychotic symptoms of neurodegenerative diseases.

This partnership highlights a shift in Alzheimer’s R&D towards innovative mechanisms and precision delivery systems that could redefine treatment efficacy and patient outcomes.