Introduction: Alzheimer's disease (AD) stands as significant challenge in realm of neurodegenerative disorder. It is characterized by gradual decline in cognitive function and memory loss. It has already expanded its prevalence to 55 million people worldwide and is expected to rise significantly. Unfortunately, there exists a limited therapeutic option that would mitigate its progression. Repurposing existing drugs and employing nanoparticle as delivery agent presents a potential solution to address the intricate pathology of AD.

Areas Covered: In this review, we delve into utilization of nanoparticular platforms to enhance the delivery of repurposed drugs for treatment of AD. Firstly, the review begins with the elucidation of intricate pathology underpinning AD, subsequently followed by rationale behind drug repurposing in AD. Covered are explorations of nanoparticle-based repurposing of drugs in AD, highlighting their clinical implication. Further, the associated challenges and probable future perspective are delineated.

Expert Opinion: The article has highlighted that extensive research has been carried out on the delivery of repurposed nanomedicines against AD. However, there is a need for advanced and long-term research including clinical trials required to shed light upon their safety and toxicity profile. Furthermore, their scalability in pharmaceutical set-up should also be validated.

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http://dx.doi.org/10.1080/17425247.2024.2414768DOI Listing

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