2020
Quantification of glucose-6-phosphate dehydrogenase activity by spectrophotometry: A systematic review and meta-analysis
Pfeffer DA, Ley B, Howes RE, Adu P, Alam MS, Bansil P, Boum Y, Brito M, Charoenkwan P, Clements A, Cui L, Deng Z, Egesie OJ, Espino FE, von Fricken ME, Hamid MMA, He Y, Henriques G, Khan WA, Khim N, Kim S, Lacerda M, Lon C, Mekuria AH, Menard D, Monteiro W, Nosten F, Oo NN, Pal S, Palasuwan D, Parikh S, Pasaribu A, Poespoprodjo JR, Price DJ, Roca-Feltrer A, Roh ME, Saunders DL, Spring MD, Sutanto I, Ley-Thriemer K, Weppelmann TA, von Seidlein L, Satyagraha AW, Bancone G, Domingo GJ, Price RN. Quantification of glucose-6-phosphate dehydrogenase activity by spectrophotometry: A systematic review and meta-analysis. PLOS Medicine 2020, 17: e1003084. PMID: 32407380, PMCID: PMC7224463, DOI: 10.1371/journal.pmed.1003084.Peer-Reviewed Original ResearchConceptsG6PD activity measurementsG6PD activityDiagnostic Accuracy Studies-2 toolDormant liver stagesRisk of biasGlucose-6-phosphate dehydrogenase deficiencyStudy-level heterogeneityNormal control samplesReference diagnostic methodInter-study variabilityGlucose-6-phosphate dehydrogenase activityMalaria patientsHaematological conditionsLiver stagesRadical cureP. ovalePlasmodium vivaxPubMed searchIntermediate deficiencySystematic reviewDiagnostic thresholdMale medianStudy participantsMedian activityDiagnostic implications
2019
Performance of the Access Bio/CareStart rapid diagnostic test for the detection of glucose-6-phosphate dehydrogenase deficiency: A systematic review and meta-analysis
Ley B, Satyagraha A, Rahmat H, von Fricken ME, Douglas NM, Pfeffer DA, Espino F, von Seidlein L, Henriques G, Oo NN, Menard D, Parikh S, Bancone G, Karahalios A, Price RN. Performance of the Access Bio/CareStart rapid diagnostic test for the detection of glucose-6-phosphate dehydrogenase deficiency: A systematic review and meta-analysis. PLOS Medicine 2019, 16: e1002992. PMID: 31834890, PMCID: PMC6910667, DOI: 10.1371/journal.pmed.1002992.Peer-Reviewed Original ResearchConceptsNegative predictive valueGlucose-6-phosphate dehydrogenase deficiencyIndividual participant dataSystematic reviewHigh negative predictive valueDehydrogenase deficiencyRandom-effects bivariate modelPrevalence of G6PDdDrug-induced haemolysisCapillary blood samplesRapid diagnostic testsPositive likelihood ratioNegative likelihood ratioLikelihood ratioVivax malariaVenous bloodEndemic settingsInclusion criteriaPooled estimatesBlood samplesRadical curePredictive valueWide geographical representationMale medianRoutine setting
2016
Screening for Glucose-6-Phosphate Dehydrogenase Deficiency Using Three Detection Methods: A Cross-Sectional Survey in Southwestern Uganda.
Roh ME, Oyet C, Orikiriza P, Wade M, Mwanga-Amumpaire J, Boum Y, Kiwanuka GN, Parikh S. Screening for Glucose-6-Phosphate Dehydrogenase Deficiency Using Three Detection Methods: A Cross-Sectional Survey in Southwestern Uganda. American Journal Of Tropical Medicine And Hygiene 2016, 95: 1094-1099. PMID: 27672207, PMCID: PMC5094223, DOI: 10.4269/ajtmh.16-0552.Peer-Reviewed Original ResearchMeSH KeywordsChild, PreschoolCross-Sectional StudiesDiagnostic Tests, RoutineFemaleGene FrequencyGlucosephosphate DehydrogenaseGlucosephosphate Dehydrogenase DeficiencyHumansInfantMalariaMalaria, FalciparumMalaria, VivaxMalePoint-of-Care SystemsPrevalencePrimaquineRural PopulationSensitivity and SpecificityUgandaUrban PopulationConceptsG6PDd prevalenceGlucose-6-phosphate dehydrogenase deficiencyDehydrogenase deficiencySingle-dose primaquinePlasmodium falciparum transmissionSouthwestern UgandaPlasmodium ovale infectionNegative predictive valueMonths of ageCross-sectional surveyViable screening testOvale infectionsDiagnostic modalitiesStandard quantitative assayLow prevalenceRadical curePlasmodium vivaxPredictive valueSectional surveyCare testScreening testPrevalenceSevere deficiencyPrimaquineEnzyme activity
2009
Impact of the Method of G6PD Deficiency Assessment on Genetic Association Studies of Malaria Susceptibility
Johnson MK, Clark TD, Njama-Meya D, Rosenthal PJ, Parikh S. Impact of the Method of G6PD Deficiency Assessment on Genetic Association Studies of Malaria Susceptibility. PLOS ONE 2009, 4: e7246. PMID: 19789650, PMCID: PMC2748715, DOI: 10.1371/journal.pone.0007246.Peer-Reviewed Original ResearchConceptsUncomplicated malariaG6PD deficiencyAssociation of deficiencyGlucose-6-phosphate dehydrogenase deficiencyClinical association studiesMajority of childrenG6PD enzyme activityG6PD-deficient individualsDifferent diagnostic methods