4523 and BIIB Related Headlines

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Jul 15, 2026 01:29PM FDA approves Leqembi Iqlik subcutaneous injection for Alzheimer's
Jul 14, 2026 11:15AM LEQEMBI® Real-World LEADER Study Presented at AAIC® 2026 Finds Over 75% of Early Alzheimer's Patients Enrolled in the Study Remained Stable and Nearly 7% Improved Over an Average of 17 Months of Tre
Jul 13, 2026 05:37PM FDA approves Leqembi Iqlik subcutaneous injection for Alzheimer's
Jul 13, 2026 05:36PM FDA Approves LEQEMBI IQLIK® (lecanemab-irmb) Subcutaneous Injection as an Initiation Dose for Early Alzheimer's Disease
Jul 12, 2026 11:15AM LEQEMBI® Subcutaneous Autoinjector Clinical Data Supports Similar Efficacy and Safety to IV Formulation in Early Alzheimer's Disease Presented at the Alzheimer's Association International Conference�
Mar 20, 2026 12:13PM LEQEMBI shows high treatment persistence in real-world study
Mar 20, 2026 12:05PM Results from Real-World, Long-Term Treatment Persistence with LEQEMBI® (lecanemab-irmb) in the United States Presented at AD/PD™ 2026
Jan 25, 2026 11:52PM FDA accepts Eisai's LEQEMBI IQLIK application for priority review
Jan 25, 2026 06:30PM FDA accepts LEQEMBI IQLIK application for weekly Alzheimer's treatment
Jan 25, 2026 06:30PM FDA Accepts LEQEMBI® IQLIKTM (lecanemab-irmb) Supplemental Biologics License Application as a Subcutaneous Starting Dose for the Treatment of Early Alzheimer's Disease under Priority Review
Dec 3, 2025 06:10PM Eisai Presents New Data on the Continued and Expanding Benefit of LEQEMBI® (lecanemab-irmb) Maintenance Treatment in Early Alzheimer's Disease at the Clinical Trials on Alzheimer's Disease (CTAD) Con
Dec 2, 2025 04:40PM New Data Presented at the Clinical Trials on Alzheimer's Disease (CTAD) Conference 2025 Confirms Pharmacological Effect of LEQEMBI® (lecanemab-irmb) on Neurotoxic Aβ Protofibrils in CSF
Nov 26, 2025 06:03AM Eisai completes FDA submission for LEQEMBI subcutaneous starting dose
Nov 25, 2025 07:31AM Eisai completes FDA submission for subcutaneous Alzheimer's treatment
Nov 25, 2025 07:30AM Eisai Completes Rolling Submission to U.S. FDA for LEQEMBI® IQLIK™ (lecanemab-irmb) Supplemental Biologics License Application as a Subcutaneous Starting Dose for the Treatment of Early Alzheimer's
Oct 13, 2025 07:30PM LEQEMBI® IQLIK™(lecanemab-irmb) Subcutaneous Autoinjector Named to TIME's "Best Inventions of 2025"
Oct 6, 2025 04:30PM Eisai and Biogen Announce U.S. Availability of LEQEMBI® IQLIK™ (lecanemab-irmb) Subcutaneous Injection Maintenance Dose for Treatment of Early Alzheimer's Disease
Sep 2, 2025 07:30PM Eisai submits application for LEQEMBI IQLIK as starting dose for Alzheimer's
Sep 2, 2025 07:30PM Eisai Initiated Rolling Supplemental Biologics License Application to the U.S. FDA for LEQEMBI® IQLIK™ (lecanemab-irmb) as a Subcutaneous Starting Dose for the Treatment of Early Alzheimer's Diseas
Sep 1, 2025 12:50AM FDA approves weekly subcutaneous injection for LEQEMBI maintenance dosing
Aug 29, 2025 05:00PM /U P D A T E -- Eisai Inc./

4523 and BIIB Related Press Releases

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Jul 14, 2026 11:15AM LEQEMBI® Real-World LEADER Study Presented at AAIC® 2026 Finds Over 75% of Early Alzheimer's Patients Enrolled in the Study Remained Stable and Nearly 7% Improved Over an Average of 17 Months of Tre
Jul 13, 2026 05:36PM FDA Approves LEQEMBI IQLIK® (lecanemab-irmb) Subcutaneous Injection as an Initiation Dose for Early Alzheimer's Disease
Jul 12, 2026 11:15AM LEQEMBI® Subcutaneous Autoinjector Clinical Data Supports Similar Efficacy and Safety to IV Formulation in Early Alzheimer's Disease Presented at the Alzheimer's Association International Conference�
Mar 20, 2026 12:05PM Results from Real-World, Long-Term Treatment Persistence with LEQEMBI® (lecanemab-irmb) in the United States Presented at AD/PD™ 2026
Jan 25, 2026 06:30PM FDA Accepts LEQEMBI® IQLIKTM (lecanemab-irmb) Supplemental Biologics License Application as a Subcutaneous Starting Dose for the Treatment of Early Alzheimer's Disease under Priority Review
Dec 3, 2025 06:10PM Eisai Presents New Data on the Continued and Expanding Benefit of LEQEMBI® (lecanemab-irmb) Maintenance Treatment in Early Alzheimer's Disease at the Clinical Trials on Alzheimer's Disease (CTAD) Con
Dec 2, 2025 04:40PM New Data Presented at the Clinical Trials on Alzheimer's Disease (CTAD) Conference 2025 Confirms Pharmacological Effect of LEQEMBI® (lecanemab-irmb) on Neurotoxic Aβ Protofibrils in CSF
Nov 25, 2025 07:30AM Eisai Completes Rolling Submission to U.S. FDA for LEQEMBI® IQLIK™ (lecanemab-irmb) Supplemental Biologics License Application as a Subcutaneous Starting Dose for the Treatment of Early Alzheimer's
Oct 13, 2025 07:30PM LEQEMBI® IQLIK™(lecanemab-irmb) Subcutaneous Autoinjector Named to TIME's "Best Inventions of 2025"
Oct 6, 2025 04:30PM Eisai and Biogen Announce U.S. Availability of LEQEMBI® IQLIK™ (lecanemab-irmb) Subcutaneous Injection Maintenance Dose for Treatment of Early Alzheimer's Disease
Sep 2, 2025 07:30PM Eisai Initiated Rolling Supplemental Biologics License Application to the U.S. FDA for LEQEMBI® IQLIK™ (lecanemab-irmb) as a Subcutaneous Starting Dose for the Treatment of Early Alzheimer's Diseas
Aug 29, 2025 05:00PM /U P D A T E -- Eisai Inc./

4523 and BIIB Related SEC Filings

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