With emerging amyloid therapies, documentation of the patient’s amyloid status to confirm the etiology of a clinical diagnosis is warranted prior to instituting amyloid-based therapy. The Multimer Detection System-Oligomeric Amyloid-β (MDS-OAβ) is a noninvasive blood-based biomarker utilized to measure Aβ oligomerization tendency. We determined the difference in MDS-OAβ ratio across the groups: (a) no cognitive impairment or subjective cognitive impairment (NCI/SCI), (b) Alzheimer’s disease (AD), (c) non-AD, and (d) mixed Alzheimer’s disease-Vascular dementia (AD-VaD). MDS-OAβ level was not significantly different between AD and mixed AD-VaD, but both groups were significantly different from the NCI/SCI and from the non-AD group. An MDS-OAβ level of >1 could potentially indicate clinical variants of AD or mixed pathology (AD-VaD).
The Philippines is an archipelago in Southeast Asia (SEA) comprising 7641 islands, which are subdivided into 17 administrative regions [1]. As of 2020, its population is 109.6 million and is ranked as the thirteenth most populous country in the world [2]. The World Bank (WB) categorised the Philippines as a lower middle-income country (LMIC) [3].
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