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Meta-Analysis
. 2024 May 14;123(5):209.
doi: 10.1007/s00436-024-08203-3.

The prevalence of Pfk13 polymorphism in malaria patients treated with artemisinin-based therapy: a systematic review and meta-analysis

Dang The Hung #  1   2 , Linh Tran #  3   4 , Dao Ngoc Hien Tam #  2   5 , Ghada Elshafei  2   6 , Nguyen The Ky Cuong  2   7 , Nam Xuan Ha  2   8 , Sarah Abd Elaziz Khader  2   9 , Loc Le Quang  2   10 , Hosam Waleed Shaikhkhalil  2   11 , Abdallfatah Abdallfatah  2   12 , Jeza M Abdul Aziz  13   14 , Kenji Hirayama  15 , Nguyen Tien Huy  16
Affiliations
Meta-Analysis

The prevalence of Pfk13 polymorphism in malaria patients treated with artemisinin-based therapy: a systematic review and meta-analysis

Dang The Hung et al. Parasitol Res. .

Abstract

Artemisinin (ART) combination therapy is the main treatment for malaria. Pfk13 mutations (or K13 mutations, Kelch 13) are associated with ART resistance. This study aims to conduct a systematic review and meta-analysis of the prevalence of K13 mutations with ART resistance in malaria-endemic countries. An electronic search of studies in 2018 and a manual search in 2020 were performed to identify relevant studies. The risk of bias was assessed using the National Institutes of Health (NIH) quality assessment tool for observational cohort and cross-sectional studies. Data analysis was performed using R 4.1.0. Heterogeneity was estimated using the statistic I2 and Cochran Q test. A total of 170 studies were included in our review. Of these, 55 studies investigated the prevalence of K13 mutations in Southeast Asia. The meta-analysis showed that Southeast Asia had the highest prevalence of K13 mutations, whereas Africa, South America, Oceania, and other Asian countries outside Southeast Asia had a low prevalence of K13 mutations. The C580Y mutation was the most common in Southeast Asia with 35.5% (95%CI: 25.4-46.4%), whereas the dominant mutation in Africa was K189T (22.8%, 95%CI: 7.6-43.2%). This study revealed the emergence of ART resistance associated with K13 mutations in Southeast Asia. The diversity of each type of K13 mutation in other regions was also reported.

Keywords: Artemisinin; K13 mutations; Kelch 13; Malaria; Resistance.

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