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Meta-Analysis
. 2025 Dec 1;63(12):myaf107.
doi: 10.1093/mmy/myaf107.

Global prevalence of multidrug-resistant Candida auris in humans between 2015 and 2024: A systematic review and meta-analysis

Conrad C Achilonu  1 , Will J Barwatt  1 , Theodore J Kottom  1 , Rita O Oladele  2 , Tsepo Ramatla  3 , Andrew H Limper  1
Affiliations
Meta-Analysis

Global prevalence of multidrug-resistant Candida auris in humans between 2015 and 2024: A systematic review and meta-analysis

Conrad C Achilonu et al. Med Mycol. .

Abstract

Candida auris is an emerging fungal pathogen with high rates of multidrug resistance, posing a significant global health threat. Immunosuppressed patients are particularly vulnerable to multidrug-resistant (MDR) C. auris infections. This systematic review and meta-analysis (SR-MA) aimed to assess the global prevalence of MDR-C. auris isolates in humans and their resistance to antifungal drugs, primarily fluconazole (FLZ), voriconazole (VOR), and amphotericin B (AmB). A comprehensive search was conducted in PubMed, Scopus, and ScienceDirect databases on published studies regarding clinical C. auris isolates and the use of antifungal susceptibility testing assay from 17 March 2015 to 1 February 2024. Meta-analysis was conducted using random-effects models to determine the estimated pooled prevalence of MDR-C. auris isolates and their antifungal resistance profiles from immunosuppressed humans. A total of 81 research studies were included in the final analysis, with the overall pooled prevalence of the three most important antifungal drugs; FLZ (92.5% | 95% CI: 89.5-94.7), VOR (49.0% | 95% CI: 37.6-60.4), and AmB (51.0% | 95% CI: 42.3-59.7). According to the subgroup analyses, FLZ-resistant C. auris was the most prevalent isolate observed in the five continents reporting compared to the VOR- and AmB-resistant C. auris having lower pooled prevalence. Further, higher pooled prevalence of MDR-C. auris isolates were observed from males (68.2%, n = 578) compared to females (37.1%, n = 283). Finally, the global pooled prevalence for mortality in immunosuppressed patients with MDR-C. auris from 13 research studies was 41.5% (95% CI: 29.9-54.2). This SR-MA study establishes the variation of MDR-C. auris resistance patterns observed from different continents and the importance to conduct further research studies using potent antifungal drugs. Accordingly, it is imperative to establish stringent surveillance on the increasing prevalence of antifungal resistance particularly in low-income regions with limited research resources to prevent increasing prevalence of MDR-C. auris.

Keywords: Candida auris; antifungal drug resistance; immunosuppressed; meta-analysis; prevalence; systematic review.

Plain language summary

Candida auris is an emerging pathogen with high rates of multidrug resistance. Immunosuppressed patients are vulnerable to multidrug-resistant (MDR) C. auris. This systematic review and meta-analysis aimed to assess the global prevalence of MDR-C. auris and resistance to antifungal drugs.

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