Rolling sBLA initiated to the U.S. FDA for Leqembi® Iqlik™ (lecanemab-irmb) as a subcutaneous starting dose for the treatment of early Alzheimer's disease under Fast Track status

Core Insights - BioArctic AB's partner Eisai has initiated a rolling submission of the Supplemental Biologics License Application (sBLA) to the U.S. FDA for Leqembi Iqlik (lecanemab-irmb) as a subcutaneous autoinjector, following the FDA granting Fast Track Status [1][15] - Leqembi Iqlik, if approved, would be the first anti-amyloid treatment allowing at-home injection from the start, enhancing treatment accessibility for Alzheimer's disease patients [1][2] Company Overview - BioArctic AB is a Swedish biopharma company focused on innovative treatments for neurodegenerative diseases, having developed Leqembi, the first drug proven to slow Alzheimer's disease progression [11] - The collaboration between BioArctic and Eisai dates back to 2005, with Eisai responsible for clinical development and commercialization, while BioArctic retains rights for commercialization in the Nordic region [4][10] Product Details - Leqembi is indicated for treating Alzheimer's disease in patients with Mild Cognitive Impairment (MCI) or mild dementia, and is currently approved in 48 countries, with regulatory reviews ongoing in 10 countries [2][7] - The sBLA submission is based on Phase 3 clinical studies evaluating subcutaneous administration of lecanemab, which could offer a weekly starting dose as an alternative to bi-weekly intravenous dosing [2][3] Clinical Development - Eisai's ongoing Phase 3 clinical study (AHEAD 3-45) involves individuals with preclinical Alzheimer's disease and aims to assess the efficacy of lecanemab [9] - The Tau NexGen clinical study for Dominantly Inherited Alzheimer's Disease (DIAD) is also ongoing, incorporating lecanemab as a key anti-amyloid therapy [9] Treatment Mechanism - Leqembi targets both amyloid plaque and protofibrils, which are believed to contribute to cognitive decline in Alzheimer's disease [3][14] - The subcutaneous formulation of Leqembi has the potential to reduce healthcare resource utilization associated with intravenous dosing, streamlining the treatment pathway for Alzheimer's disease [2]