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AD/PD 2026 | Progress toward reliable biomarkers in Lewy body dementia

Laura Nisenbaum, PhD, Alzheimer’s Drug Discovery Foundation, New York, NY, comments on the significant progress toward reliable biomarkers in Lewy body dementia. Dr Nisenbaum highlights the development of a biomarker test that detects misfolded alpha-synuclein in cerebrospinal fluid, enabling early diagnosis and paving the way for better clinical trials and treatment development. This interview took place at the AD/PD™ 2026 International Conference on Alzheimer’s and Parkinson’s Diseases in Copenhagen, Denmark.

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Transcript

So the most important advance in Lewy body dementia is the rapid progress toward reliable biomarkers, especially those targeting alpha-synuclein, which is the core disease protein of Lewy body dementia, as well as Parkinson’s and what’s becoming clear, a co-pathology in Alzheimer’s. At ADDF, we’ve supported the development of a biomarker test from Amprion. And this test detects misfolded alpha-synuclein from just a few drops of cerebrospinal fluid, or CSF...

So the most important advance in Lewy body dementia is the rapid progress toward reliable biomarkers, especially those targeting alpha-synuclein, which is the core disease protein of Lewy body dementia, as well as Parkinson’s and what’s becoming clear, a co-pathology in Alzheimer’s. At ADDF, we’ve supported the development of a biomarker test from Amprion. And this test detects misfolded alpha-synuclein from just a few drops of cerebrospinal fluid, or CSF. So this will help physicians with early diagnosis of Parkinson’s, Lewy body dementia, as well as Alzheimer’s. And as I mentioned, this is because alpha-synuclein is gaining recognition as a key co-pathology in Alzheimer’s disease. So what’s becoming clear is that Lewy body dementia is finally becoming a biomarker-driven field, which is critical for better clinical trials and development of future treatments.

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