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Alector (ALEC) investor relations material

Alector BofA Securities CNS Therapeutics Virtual Conference 2025 summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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BofA Securities CNS Therapeutics Virtual Conference 2025 summary8 Dec, 2025

Company and pipeline overview

  • Focus on neurodegenerative diseases with five drugs advanced to the clinic, including a Progranulin-elevating drug for Alzheimer's in partnership with GSK, with phase II interim analysis expected in the first half of next year.

  • Multiple preclinical programs leverage proprietary Blood-Brain Barrier (BBB) technology to enhance brain delivery of large molecules.

  • Pipeline includes anti-amyloid-β antibody, GCase enzyme replacement therapy for Parkinson's and Lewy body dementia, and a portfolio of BBB-enabled siRNA programs targeting Tau, α-synuclein, and NLRP3.

Blood-Brain Barrier technology and ABC platform

  • BBB technology enables 10-50x higher brain concentrations of drugs, allowing lower peripheral doses and improved safety.

  • Uses transferrin receptor as a transport mechanism, with unique epitope and affinity optimizations to maximize brain delivery and minimize anemia risk.

  • Platform is highly adaptable, allowing for different drug modalities and configurations tailored to each therapeutic target.

  • Drug configuration, transferrin affinity, and epitope selection are optimized for each modality to balance efficacy, safety, and pharmacokinetics.

Anti-amyloid-β antibody (AL137) program

  • AL137 and its backup show 4-12x higher brain penetration than competitors, aiming for subcutaneous delivery and lower dose to reduce safety risks.

  • Phase I studies will use amyloid PET imaging and ARIA monitoring in small cohorts to assess amyloid clearance and safety early.

  • Targeting a clinic entry in 2026, with rapid assessment of efficacy and safety endpoints.

ABC platform: anemia mitigation strategy
AL101: Universal neurodegeneration risk gene impact
AL50: Strategy for sporadic Parkinson's patients
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Frequently asked questions

Alector, Inc., a clinical stage biopharmaceutical company, develops therapies for the treatment of neurodegeneration diseases. The company is developing AL001, an antibody that targets delta-like ligand 4-Notch to address abnormal signaling triggered by microglia in Alzheimer's disease prevention and slowing in patients with mild cognitive impairment and early-stage Alzheimer's disease; AL101, an anti-TREM2 antibody targeting microglia function that is in Phase IIa clinical trial for the treatment of frontotemporal dementia; AL003, an anti-LINGO monoclonal antibody targeting oligodendrocyte precursor cells for myelination; and AL002 and AL004 for preventing or slowing disease progression in Parkinson's disease. The company was founded in 2013 and is headquartered in South San Francisco, California.

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