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Drug Development.

Hui Zhao1, Limoran Tang2, Dan Yang3

  • 1Department of Neurology, Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, China.

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Summary
This summary is machine-generated.

This real-world study in China assesses lecanemab's effectiveness and safety in early Alzheimer's disease (AD) patients. Results will inform treatment for Asian AD populations.

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Area of Science:

  • Neurology
  • Pharmacology
  • Clinical Research

Background:

  • Lecanemab, a monoclonal antibody targeting amyloid-beta (Aβ) protofibrils, shows efficacy in slowing clinical decline in early Alzheimer's disease (AD).
  • Approved in the USA (2023) and China (2024), real-world data on lecanemab, especially in China, remains limited.
  • The LEAD study addresses this gap by evaluating lecanemab in a Chinese real-world clinical setting.

Purpose of the Study:

  • To assess the real-world effectiveness of lecanemab in early AD patients in China.
  • To evaluate the safety and tolerability of lecanemab in this specific patient population.
  • To gather crucial data to support the treatment of Asian AD patients with lecanemab.

Main Methods:

  • A prospective, multicenter, investigator-led cohort study involving early AD patients with confirmed amyloid pathology.
  • Participants receive intravenous lecanemab (10 mg/kg bi-weekly) with comprehensive baseline assessments.
  • Follow-up includes safety visits, biomarker analysis (plasma Aβ, chemiluminescence), cognitive tests, and MRI at specified intervals up to 12 months.

Main Results:

  • The study is ongoing, with 90 subjects recruited and currently in the data extraction phase.
  • Baseline data collection is complete, and all patients will finish 6 months of treatment by July 2025.
  • Updated results are anticipated for presentation at an upcoming conference.

Conclusions:

  • The LEAD project is a critical multi-center, real-world study evaluating lecanemab's therapeutic impact in Chinese AD patients.
  • The study aims to determine lecanemab's efficacy in improving clinical symptoms and pathological markers.
  • Monitoring adverse effects is key to optimizing lecanemab treatment strategies for Asian populations.