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Questions EMERGE as Biogen claims aducanumab turnaround

Trials of aducanumab in Alzheimer disease were previously discontinued following a phase III futility analysis, but Biogen now says that additional data indicate that longer exposure to the higher dose might be effective. The company is seeking FDA approval for the treatment; however, the limited data released do not establish efficacy.

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References

  1. Sevigny, J. et al. The antibody aducanumab reduces Aβ plaques in Alzheimer’s disease. Nature 537, 50–56 (2016).

    Article  CAS  Google Scholar 

  2. Biogen and Eisai to Discontinue Phase 3 ENGAGE and EMERGE Trials of aducanumab in Alzheimer’s disease. investors.biogen.com http://investors.biogen.com/news-releases/news-release-details/biogen-and-eisai-discontinue-phase-3-engage-and-emerge-trials (2019).

  3. Biogen. Biogen Q1 2019 Earnings Presentation. investors.bogen.com http://investors.biogen.com/static-files/1e8f9954-58d4-41cf-a6d7-6626338656c3 (2019).

  4. Biogen. Biogen Q3 2019 Earnings Presentation. investors.biogen.com http://investors.biogen.com/static-files/40565136-b61f-4473-9e58-9be769bbac6c (2019).

  5. Siemers, E. R. et al. Phase 3 solanezumab trials: secondary outcomes in mild Alzheimer’s disease patients. Alzheimers Dement. 12, 110–120 (2016).

    Article  Google Scholar 

  6. Honig, L. S. et al. Trial of solanezumab for mild dementia due to Alzheimer’s disease. N. Engl. J. Med. 378, 321–330 (2018).

    Article  CAS  Google Scholar 

  7. Thompson, B. Statistical significance, result importance, and result generalizability: three noteworthy but somewhat different issues. Meas. Eval. Coun. Dev. 22, 2–6 (1989).

    Article  Google Scholar 

  8. Andrews, J. S. et al. Disease severity and minimal clinically important differences in clinical outcome assessments for Alzheimer’s disease clinical trials. Alzheimers Dement. 5, 354–363 (2019).

    Google Scholar 

  9. Strauss D. Biogen surges 42% after stunning reversal sees it revive plans for Alzheimer’s treatment (BIIB). Business Insider https://markets.businessinsider.com/news/stocks/biogen-stock-price-soars-on-plan-to-revive-alzheimers-treatment-2019-10-1028619410 (2019).

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Howard, R., Liu, K.Y. Questions EMERGE as Biogen claims aducanumab turnaround. Nat Rev Neurol 16, 63–64 (2020). https://doi.org/10.1038/s41582-019-0295-9

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