Core Insights - Roche presented new data on trontinemab and the Elecsys pTau181 plasma test at the AD/PD 2025 International Conference, highlighting advancements in Alzheimer's disease treatment and diagnostics [1][8] Trontinemab Developments - Trontinemab is undergoing a Phase III program initiation later this year, following promising results from the Phase Ib/IIa Brainshuttle™ AD study [1][8] - Preliminary results from 114 participants indicated a rapid and deep, dose-dependent reduction of amyloid plaques, with 81% of participants in the 3.6 mg/kg dose group achieving amyloid levels below the 24 centiloid threshold after 28 weeks [3][8] - The safety profile of trontinemab remains favorable, with amyloid-related imaging abnormalities observed in less than 5% of participants [4] Diagnostic Innovations - The Elecsys pTau181 plasma test demonstrated potential to accurately rule out amyloid pathology in individuals with cognitive impairment, based on results from 604 participants [5][6] - This minimally invasive blood test could reduce the need for more invasive testing methods, thereby streamlining the diagnostic process and reducing costs [6] Parkinson's Disease Research - Results from the Phase IIb PADOVA study on prasinezumab were presented, showing potential benefits in early-stage Parkinson's disease despite missing the primary endpoint [7][9] - Prasinezumab demonstrated a hazard ratio of 0.84 for time to confirmed motor progression, indicating a trend towards clinical efficacy [7][9] Roche's Commitment to Neurology - Roche is focused on developing innovative diagnostic solutions and treatments for neurological disorders, including Alzheimer's and Parkinson's diseases [10][11] - The company is investigating over a dozen medicines for various neurological conditions, aiming to improve early detection and treatment [11]
Roche presents novel therapeutic and diagnostic advancements in Alzheimer's at AD/PD 2025