Core Insights - ProMIS Neurosciences Inc. is advancing its antibody therapeutics and vaccines targeting toxic misfolded proteins for neurodegenerative diseases such as Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS), and multiple system atrophy (MSA) [1][9] - The company plans to present its findings at the 2025 Alzheimer's and Parkinson's Disease International Conference in Vienna, Austria, from April 1-4, 2025 [1][2] Research and Development - ProMIS has developed a computational modeling platform that aids in creating next-generation antibodies and targeted vaccines for neurodegenerative diseases [2] - Preclinical data suggests that vaccination with platform-derived epitopes and selective antibody targeting of misfolded toxic aggregates of TDP-43 may be a safe and effective treatment method [2] - The company identified four different conformational B cell epitopes of amyloid-beta oligomers (AβOs) through computational modeling, which are crucial in the development of an Alzheimer's vaccine [3] Preclinical Study Results - Immunization with a single conformational epitope, peptide 301, showed maximal reactivity against AD brain oligomers [4] - Vaccination against pathogenic species of alpha-synuclein (ASyn) demonstrated potential protection against synucleinopathies, preserving normal ASyn function while minimizing off-target effects [4][5] - The study on TDP-43 revealed that selective targeting of misfolded toxic aggregates could be a promising approach for treating diseases associated with TDP-43 proteinopathy [6][7] Product Information - PMN310 is a humanized monoclonal antibody designed to selectively target soluble amyloid-beta oligomers, which are believed to be the most toxic form of Aβ [8] - PMN310 has completed a Phase 1a clinical study and is currently in a Phase 1b clinical trial involving Alzheimer's disease patients [9]