After this article [1] was published, concerns were noted that the articles cited as References 19 and 29 respectively were retracted before [1] was published.
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In light of the cumulative issues, the PLOS One Editors issue this Expression of Concern. Readers are advised to interpret the article [1] with caution.
Reference
Citation: The PLOS One Editors (2026) Expression of Concern: Comparative efficacy of different antihypertensive drug classes for stroke prevention: A network meta-analysis of randomized controlled trials. PLoS One 21(2): e0343104. https://doi.org/10.1371/journal.pone.0343104
Published: February 17, 2026
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