Performance of the Access Bio/CareStart rapid diagnostic test for the detection of glucose-6-phosphate dehydrogenase deficiency: A systematic review and meta-analysis

Benedikt Ley, Ari Winasti Satyagraha, Hisni Rahmat, Michael E von Fricken, Nicholas M Douglas, Daniel A Pfeffer, Fe Espino, Lorenz von Seidlein, Gisela Henriques, Nwe Nwe Oo, Didier Menard, Sunil Parikh, Germana Bancone, Amalia Karahalios and Ric N Price

PLOS Medicine, 2019, vol. 16, issue 12, 1-15

Abstract: Background: To reduce the risk of drug-induced haemolysis, all patients should be tested for glucose-6-phosphate dehydrogenase (G6PD) deficiency (G6PDd) prior to prescribing primaquine (PQ)-based radical cure for the treatment of vivax malaria. This systematic review and individual patient meta-analysis assessed the utility of a qualitative lateral flow assay from Access Bio/CareStart (Somerset, NJ) (CareStart Screening test for G6PD deficiency) for the diagnosis of G6PDd compared to the gold standard spectrophotometry (International Prospective Register of Systematic Reviews [PROSPERO]: CRD42019110994). Methods and findings: Articles published on PubMed between 1 January 2011 and 27 September 2019 were screened. Articles reporting performance of the standard CSG from venous or capillary blood samples collected prospectively and considering spectrophotometry as gold standard (using kits from Trinity Biotech PLC, Wicklow, Ireland) were included. Authors of articles fulfilling the inclusion criteria were contacted to contribute anonymized individual data. Minimal data requested were sex of the participant, CSG result, spectrophotometry result in U/gHb, and haemoglobin (Hb) reading. The adjusted male median (AMM) was calculated per site and defined as 100% G6PD activity. G6PDd was defined as an enzyme activity of less than 30%. Pooled estimates for sensitivity and specificity, unconditional negative predictive value (NPV), positive likelihood ratio (LR+), and negative likelihood ratio (LR−) were calculated comparing CSG results to spectrophotometry using a random-effects bivariate model. Conclusions: The CSG performed well at the 30% threshold. Its high NPV suggests that the test is suitable to guide PQ treatment, and the high LR+ and low LR− render the test suitable to confirm and exclude G6PDd. Further operational studies are needed to confirm the utility of the test in remote endemic settings. In this systematic review and meta-analysis, Benedikt Ley and colleagues assess the performance of a point of care screening test for identifyint vivax malaria patients who are at risk of drug-induced haemolysis.Why was this study done?: What did the researchers do and find?: What do these findings mean?:

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pmed00:1002992

DOI: 10.1371/journal.pmed.1002992

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