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Biogen to Highlight Breadth of Alzheimer’s Disease Portfolio at AAIC 2026, Including Phase 2 CELIA Data for Diranersen

Diranersen presentation will feature Phase 2 CELIA data in early Alzheimer’s disease, including clinical, biomarker and safety results for Biogen’s investigational tau-targeting ASO, following topline results announced in May 2026Lecanemab presentations will highlight emerging data on subcutaneous administration and real-world use, including practical treatment considerations, at-home administration, three-year LEADER data, maintenance dosing and patient experienceAdvances across Biogen’s Alzhei

articleBiogen Inc.June 29, 202612 min read/news/biogen-to-highlight-breadth-of-alzheimers-disease-portfolio-at-aaic-2026-including-phase-2-celia-data-for-diranersen
Biogen to Highlight Breadth of Alzheimer’s Disease Portfolio at AAIC 2026, Including Phase 2 CELIA Data for Diranersen

About this update from Biogen Inc.

CAMBRIDGE, Mass., June 29, 2026 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) today announced it will present new data across its Alzheimer's disease portfolio at the Alzheimer's Association International Conference (AAIC) 2026, taking place July 12-15 in London, UK. Presentations will include data from the Phase 2 CELIA study evaluating diranersen, an investigational tau-targeting antisense oligonucleotide (ASO), and new analyses from studies of LEQEMBI® (lecanemab). "Biogen remains committed to advancing innovation across Alzheimer's care, from treatment delivery and real-world evidence generation to continued progress in addressing core pathologies, including amyloid and tau. Tau has long remained one of the most important targets in Alzheimer's disease, and the Phase 2 CELIA topline results for diranersen reinforce the potential of tau reduction as a therapeutic approach in early Alzheimer's disease," said Priya Singhal, M.D., M.P.H., Executive Vice President and Head of Development at Biogen. "We look forward to presenting initial data from this pioneering study as well as new data on lecanemab on the global stage at AAIC." Featured Scientific Sessions and Presentations DiranersenDiranersen is an investigational ASO that targets MAPT RNA to reduce tau production at its source, a differentiated approach to addressing abnormal tau both inside and outside neurons. At AAIC, Biogen will present clinical, biomarker and safety data that build on the May 2026 topline announcement and further characterize diranersen as the program advances toward Phase 3 development.

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Alzheimer’s diseaseBiogensubcutaneous administrationAAICAlzheimer’s AssociationCELIAclinical trialstreatment considerationstopline results