2021
Diagnostic performance of a Recombinant Polymerase Amplification Test—Lateral Flow (RPA-LF) for cutaneous leishmaniasis in an endemic setting of Colombia
Cossio A, Jojoa J, del Mar Castro M, Castillo R, Osorio L, Shelite T, Saravia N, Melby P, Travi B. Diagnostic performance of a Recombinant Polymerase Amplification Test—Lateral Flow (RPA-LF) for cutaneous leishmaniasis in an endemic setting of Colombia. PLOS Neglected Tropical Diseases 2021, 15: e0009291. PMID: 33909619, PMCID: PMC8081229, DOI: 10.1371/journal.pntd.0009291.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overChildChild, PreschoolChromatography, AffinityColombiaCross-Sectional StudiesDNA PrimersDNA, KinetoplastDNA, ProtozoanFemaleHumansLeishmaniaLeishmaniasis, CutaneousMaleMiddle AgedMolecular Diagnostic TechniquesNucleic Acid Amplification TechniquesSensitivity and SpecificityYoung AdultConceptsCommunity health workersHealth workersCutaneous leishmaniasisRPA-LFReference centerHealth systemPrimary health facilitiesBurden of diseaseCross-sectional studyYears of ageRoutine diagnostic testsPublic health systemPositive likelihood ratioLeishmania kinetoplast DNANegative likelihood ratioLikelihood ratioUlcerated lesionsPolymerase chain reaction detectionSpecificity 89Endemic settingsEarly diagnosisHealth facilitiesDiagnostic test performanceWeek evolutionReal-time polymerase chain reaction detection
2018
Development and Evaluation of a Novel Loop-Mediated Isothermal Amplification Assay for Diagnosis of Cutaneous and Visceral Leishmaniasis
Adams ER, Schoone G, Versteeg I, Gomez MA, Diro E, Mori Y, Perlee D, Downing T, Saravia N, Assaye A, Hailu A, Albertini A, Ndung'u JM, Schallig H. Development and Evaluation of a Novel Loop-Mediated Isothermal Amplification Assay for Diagnosis of Cutaneous and Visceral Leishmaniasis. Journal Of Clinical Microbiology 2018, 56: 10.1128/jcm.00386-18. PMID: 29695527, PMCID: PMC6018344, DOI: 10.1128/jcm.00386-18.Peer-Reviewed Original ResearchConceptsVisceral leishmaniasisLAMP assayDiagnostic accuracyProspective cohort trialDiagnosis of CLBone marrow aspirateMinicircle kinetoplast DNANear-patient settingIsothermal Amplification AssayCohort trialVL patientsCL diagnosisVL suspectsMarrow aspiratesMalaria parasitesSwab samplesDiagnosisWhole bloodGold standardInvasive samplesAnalytical specificityClinical samplesAmplification assaysPatientsReference standard
2017
Cost-effectiveness of meglumine antimoniate versus miltefosine caregiver DOT for the treatment of pediatric cutaneous leishmaniasis
Berger BA, Cossio A, Saravia NG, del Mar Castro M, Prada S, Bartlett AH, Pho MT. Cost-effectiveness of meglumine antimoniate versus miltefosine caregiver DOT for the treatment of pediatric cutaneous leishmaniasis. PLOS Neglected Tropical Diseases 2017, 11: e0005459. PMID: 28384261, PMCID: PMC5404883, DOI: 10.1371/journal.pntd.0005459.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, OralAntiprotozoal AgentsCaregiversChildChild, PreschoolCost-Benefit AnalysisDirectly Observed TherapyDrug CostsFemaleHumansInjections, IntramuscularLeishmaniaLeishmaniasis, CutaneousMaleMeglumineMeglumine AntimoniateMonte Carlo MethodOrganometallic CompoundsPhosphorylcholineSensitivity and SpecificityTreatment OutcomeUnited StatesConceptsPediatric cutaneous leishmaniasisMeglumine antimoniateCutaneous leishmaniasisGovernment payer perspectivePayer perspectivePatient's perspectiveMean differenceSocietal perspectiveCost-effectiveness analysisSurvey of providersOral miltefosineAdverse eventsObserved therapyPrimary outcomeHealthcare utilizationClinical trialsMean costTreatment efficacyDrug effectivenessMiltefosineHome caregiversSocietal costsLeishmaniasisCureTreatment
2016
An Innovative Field-Applicable Molecular Test to Diagnose Cutaneous Leishmania Viannia spp. Infections
Saldarriaga OA, Castellanos-Gonzalez A, Porrozzi R, Baldeviano GC, Lescano AG, de Los Santos MB, Fernandez OL, Saravia NG, Costa E, Melby PC, Travi BL. An Innovative Field-Applicable Molecular Test to Diagnose Cutaneous Leishmania Viannia spp. Infections. PLOS Neglected Tropical Diseases 2016, 10: e0004638. PMID: 27115155, PMCID: PMC4845993, DOI: 10.1371/journal.pntd.0004638.Peer-Reviewed Original ResearchConceptsMucosal leishmaniasisDiagnostic testsL. braziliensisPrimary health systemL. panamensisRPA-LFSensitive diagnostic testMost endemic regionsMolecular diagnostic testsChronic lesionsReal-time PCRCutaneous leishmaniasisEndemic regionsParasite burdenHealth systemClinical validationLeishmaniasisL. naiffiMolecular testsParasite DNALeishmania sppTime PCRClinical samplesViannia subgenusRecombinase polymerase amplification
2014
Sensitive diagnosis of cutaneous leishmaniasis by lesion swab sampling coupled to qPCR
ADAMS ER, GOMEZ MA, SCHESKE L, RIOS R, MARQUEZ R, COSSIO A, ALBERTINI A, SCHALLIG H, SARAVIA NG. Sensitive diagnosis of cutaneous leishmaniasis by lesion swab sampling coupled to qPCR. Parasitology 2014, 141: 1891-1897. PMID: 25111885, PMCID: PMC4654403, DOI: 10.1017/s0031182014001280.Peer-Reviewed Original ResearchConceptsCutaneous leishmaniasis
2009
Detection of Leishmania in Unaffected Mucosal Tissues of Patients with Cutaneous Leishmaniasis Caused by Leishmania (Viannia) Species
Figueroa RA, Lozano LE, Romero IC, Cardona MT, Prager M, Pacheco R, Diaz YR, Tellez JA, Saravia NG. Detection of Leishmania in Unaffected Mucosal Tissues of Patients with Cutaneous Leishmaniasis Caused by Leishmania (Viannia) Species. The Journal Of Infectious Diseases 2009, 200: 638-646. PMID: 19569974, PMCID: PMC5056532, DOI: 10.1086/600109.Peer-Reviewed Original ResearchConceptsKinetoplast minicircle DNAMucosal tissuesCutaneous leishmaniasisMucocutaneous leishmaniasisNasal mucosaSwab samplesMucosa of patientsLeishmania speciesPresence of LeishmaniaDetection of LeishmaniaMucosal leishmaniasisMucosal diseaseCutaneous diseaseLeishmania infectionPolymerase chain reactionParasitological evaluationPatientsLeishmania panamensisLeishmania guyanensisMucosaNatural historyLeishmaniasisLeishmania braziliensisChain reactionAsymptomatic presence
2002
Performance of OptiMAL® in the diagnosis of Plasmodium vivax and Plasmodium falciparum infections in a malaria referral center in Colombia
Ferro BE, González I, de Carvajal F, Palma GI, Saravia NG. Performance of OptiMAL® in the diagnosis of Plasmodium vivax and Plasmodium falciparum infections in a malaria referral center in Colombia. Memórias Do Instituto Oswaldo Cruz 2002, 97: 731-735. PMID: 12219143, DOI: 10.1590/s0074-02762002000500025.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsColombiaHumansL-Lactate DehydrogenaseMalaria, FalciparumMalaria, VivaxPolymerase Chain ReactionPredictive Value of TestsReagent StripsSensitivity and SpecificityConceptsReferral centerSet of patientsP. vivaxP. falciparumPlasmodium lactate dehydrogenasePerformance of OptiMALEligible consecutive patientsPlasmodium falciparum infectionUrban referral centerNegative blood smearsDiagnosis of malariaOverall diagnostic efficiencyConsecutive patientsFalciparum infectionPlasmodium vivaxMalaria diagnosisDiagnostic utilityBlood smearsMicroscopic diagnosisDipstick methodPatientsDiagnosisVivaxInfectionLactate dehydrogenase
2000
Evaluation of Polymerase Chain Reaction, Adenosine Deaminase, and Interferon-γ in Pleural Fluid for the Differential Diagnosis of Pleural Tuberculosis
Villegas M, Labrada L, Saravia N. Evaluation of Polymerase Chain Reaction, Adenosine Deaminase, and Interferon-γ in Pleural Fluid for the Differential Diagnosis of Pleural Tuberculosis. CHEST Journal 2000, 118: 1355-1364. PMID: 11083686, DOI: 10.1378/chest.118.5.1355.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine DeaminaseAge FactorsBacteriological TechniquesBayes TheoremBiopsyBloodChi-Square DistributionDiagnosis, DifferentialDNA, BacterialFemaleFeverHumansInterferon-gammaMaleMiddle AgedMycobacterium tuberculosisPleural DiseasesPleural EffusionPleural NeoplasmsPolymerase Chain ReactionPredictive Value of TestsSensitivity and SpecificitySputumTuberculosis, PleuralConceptsIFN-gamma levelsADA activity determinationPleural tuberculosisPolymerase chain reactionPleural effusionPleural fluidADA activityNonspecific clinical presentationPleural biopsy specimensTuberculous pleural effusionChain reactionAlternative diagnostic strategiesDifferent clinical settingsNegative predictive valueMeasurement of interferonAdenosine deaminase activityCombination of PCRMalignant etiologyUndetermined etiologyClinical presentationPaucibacillary natureClinical variablesPatient populationPleural biopsyDiagnostic challenge