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06.27.2023
Roche has received US Food and Drug Administration 510(k) clearance for additional CSF assays for Alzheimer disease (AD), supporting timely diagnosis and treatment decision-making.
The Elecsys beta-amyloid (1-42) CSF II (Abeta42) and Elecsys total-tau CSF assays (tTau) (used as a tTau/Abeta42 ratio) are for use in adults ages 55 and older being evaluated for Alzheimer disease.
They join the Elecsys beta-amyloid (1-42) CSF II (Abeta42) and Elecsys phospho-tau (181P) CSF (pTau181) assays (used as a pTau181/Abeta42 ratio) that received FDA 510(k) clearance in 2022.
"An early and accurate diagnosis can help patients, caregivers, and physicians determine a path forward, and the Elecsys CSF assays support diagnosis at early disease stages, when treatment is most effective," Brad Moore, president and CEO of Roche Diagnostics North America, said in a statement.
Appropriate use recommendations for new and emerging Alzheimer disease drugs call for confirmation of amyloid pathology. Currently, the only FDA-cleared methods to confirm amyloid pathology are CSF tests and PET scans.
"The Elecsys AD CSF assays are concordant with amyloid PET scan imaging and have the potential to provide a more affordable and accessible routine option to confirm the presence of amyloid pathology in the brain," Roche says.
"They also offer detection of both amyloid and tau biomarkers from one draw, with no radiation and potential to detect Alzheimer’s pathology in early stages of disease," the company adds.
The previously approved Elecsys pTau181/Abeta42 ratio is currently available and the newly approved Elecsys tTau/Abeta42 ratio will be available in the fourth quarter of this year.
Source: News Release
Medscape Neurology
June 27, 2023
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