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Elevated neurofilament light chain (NfL) in blood and CSF as a biomarker for Parkinson’s disease cognitive impairment: A meta-analysis

Published Online: 2026-01-09

Published Print: 2026-01

Authors

Liu, Can

Zhang, Yingqi

Ou, Ruwei https://orcid.org/0000-0002-9971-6185
Funding

Funding for this research was provided by:

National Science Fund of China (82271272)

Sichuan Science and Technology Program (2023YFS0265)
License Information

Text and Data Mining valid from 2026-01-01

Version of Record valid from 2026-01-01
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Article History

Received: 5 August 2025

Accepted: 15 December 2025

First Online: 9 January 2026

Declarations

:

: The three authors report no disclosures relevant to the manuscript.

: The Ethics Committee of Sichuan University approved the study. The study was conducted in accordance with the Helsinki Declaration.

: The authors have no conflict of interest.

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