2018
Harmonized clinical trial methodologies for localized cutaneous leishmaniasis and potential for extensive network with capacities for clinical evaluation
Olliaro P, Grogl M, Boni M, Carvalho E, Chebli H, Cisse M, Diro E, Cota G, Erber A, Gadisa E, Handjani F, Khamesipour A, Llanos-Cuentas A, Carvajal L, Grout L, Lmimouni B, Mokni M, Nahzat M, Salah A, Ozbel Y, Pascale J, Molina N, Rode J, Romero G, Ruiz-Postigo J, Saravia N, Soto J, Uzun S, Mashayekhi V, Vélez I, Vogt F, Zerpa O, Arana B. Harmonized clinical trial methodologies for localized cutaneous leishmaniasis and potential for extensive network with capacities for clinical evaluation. PLOS Neglected Tropical Diseases 2018, 12: e0006141. PMID: 29329311, PMCID: PMC5785032, DOI: 10.1371/journal.pntd.0006141.Peer-Reviewed Original ResearchConceptsCutaneous leishmaniasisTrial methodologyNew World cutaneous leishmaniasisLocalized Cutaneous LeishmaniasisCurrent treatment recommendationsClinical trial methodologyFuture clinical researchFuture trialsTreatment recommendationsClinical evaluationOutcome measuresCandidate treatmentSystematic reviewClinical sitesClinical researchStandardized assessmentTreatment effectsLeishmaniasisTrialsTreatmentInconsistent methodologyLevel of consensusWeak evidenceSeparate meetingsGuidance paper
2017
Clinical and parasitological factors in parasite persistence after treatment and clinical cure of cutaneous leishmaniasis
Martínez-Valencia AJ, Daza-Rivera CF, Rosales-Chilama M, Cossio A, Rincón E, Desai MM, Saravia NG, Gómez MA. Clinical and parasitological factors in parasite persistence after treatment and clinical cure of cutaneous leishmaniasis. PLOS Neglected Tropical Diseases 2017, 11: e0005713. PMID: 28704369, PMCID: PMC5526576, DOI: 10.1371/journal.pntd.0005713.Peer-Reviewed Original ResearchConceptsCutaneous leishmaniasisParasite persistencePercent of patientsInitiation of treatmentEnd of treatmentViability of LeishmaniaDisease reactivationTonsillar mucosaClinical cureClinical resolutionTreatment initiationProtective immunityMeglumine antimoniatePersistent infectionMucosal tissuesPrevious episodesTherapeutic cureParasitological factorsProtective factorsPatientsParasitological parametersTreatmentLeishmaniasisWeeksHigher proportionCost-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
2015
Cost-Effectiveness of Meglumine Antimoniate and Caretaker Directly Observed Treatment Miltefosine Treatment for Cutaneous Leishmaniasis for Pediatric Patients in Colombia
Berger B, Cossio A, Pho M, Del Mar Castro M, Prada S, Guerrero R, Bartlett A, Saravia N. Cost-Effectiveness of Meglumine Antimoniate and Caretaker Directly Observed Treatment Miltefosine Treatment for Cutaneous Leishmaniasis for Pediatric Patients in Colombia. Open Forum Infectious Diseases 2015, 2: 115. DOI: 10.1093/ofid/ofv131.35.Peer-Reviewed Original ResearchFirst report of Warileya rotundipennis (Psychodidae: Phlebotominae) naturally infected with Leishmania (Viannia) in a focus of cutaneous leishmaniasis in Colombia
Moreno M, Ferro C, Rosales-Chilama M, Rubiano L, Delgado M, Cossio A, Gómez MA, Ocampo C, Saravia NG. First report of Warileya rotundipennis (Psychodidae: Phlebotominae) naturally infected with Leishmania (Viannia) in a focus of cutaneous leishmaniasis in Colombia. Acta Tropica 2015, 148: 191-196. PMID: 25917717, PMCID: PMC4654406, DOI: 10.1016/j.actatropica.2015.04.017.Peer-Reviewed Original Research
2013
Clinical and Epidemiologic Profile of Cutaneous Leishmaniasis in Colombian Children: Considerations for Local Treatment
Blanco VM, Cossio A, Martinez JD, Saravia NG. Clinical and Epidemiologic Profile of Cutaneous Leishmaniasis in Colombian Children: Considerations for Local Treatment. American Journal Of Tropical Medicine And Hygiene 2013, 89: 359-364. PMID: 23798581, PMCID: PMC3741260, DOI: 10.4269/ajtmh.12-0784.Peer-Reviewed Original ResearchConceptsLocal treatmentCutaneous leishmaniasisNew World cutaneous leishmaniasisIndividual risk-benefit assessmentHead/neckYears of ageRisk-benefit assessmentWHO criteriaEpidemiologic profileEpidemiological profileOrganization criteriaCase reportChildren 0Months durationSingle lesionInternational guidelinesTreatment alternativesEffectiveness dataLesionsColombian childrenTreatmentChildrenLeishmaniasisNeckEligibility
2012
Noninferiority of Miltefosine Versus Meglumine Antimoniate for Cutaneous Leishmaniasis in Children
Rubiano L, Miranda M, Arenas S, Montero L, Rodríguez-Barraquer I, Garcerant D, Prager M, Osorio L, Rojas M, Pérez M, Nicholls R, Saravia N. Noninferiority of Miltefosine Versus Meglumine Antimoniate for Cutaneous Leishmaniasis in Children. The Journal Of Infectious Diseases 2012, 205: 684-692. PMID: 22238470, PMCID: PMC3266136, DOI: 10.1093/infdis/jir816.Peer-Reviewed Original ResearchConceptsPediatric cutaneous leishmaniasisMeglumine antimoniateCutaneous leishmaniasisTreatment failureInitiation of treatmentNoninferiority clinical trialPercent of childrenLow response rateOral miltefosineAdverse eventsMasked evaluationPrimary outcomeTreat analysisWeek 26Clinical trialsOral administrationAntimonial drugsTreatment groupsResponse rateAntimoniateLeishmania panamensisLeishmania guyanensisMiltefosineLeishmaniasisElimination rate
2011
Leishmania (Viannia) Infection in the Domestic Dog in Chaparral, Colombia
Santaella J, Ocampo CB, Saravia NG, Méndez F, Góngora R, Gomez MA, Munstermann LE, Quinnell RJ. Leishmania (Viannia) Infection in the Domestic Dog in Chaparral, Colombia. American Journal Of Tropical Medicine And Hygiene 2011, 84: 674-680. PMID: 21540374, PMCID: PMC3083732, DOI: 10.4269/ajtmh.2011.10-0159.Peer-Reviewed Original ResearchConceptsCutaneous leishmaniasisSkin biopsy specimensHuman cutaneous leishmaniasisReservoirs of LeishmaniaEnzyme-linked immunosorbentAmerican cutaneous leishmaniasisPrevalence of infectionBiopsy specimensLeishmania infectionRisk factorsCanine infectionLeishmania guyanensisBuffy coatL. braziliensisDogsInfectionLeishmaniasisPeridomestic transmissionL. guyanensisPositive resultsBlottingMore testsDomestic dogsGuyanensisBiopsy
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
2008
Etiologic agent of an epidemic of cutaneous leishmaniasis in Tolima, Colombia.
Rodríguez-Barraquer I, Góngora R, Prager M, Pacheco R, Montero LM, Navas A, Ferro C, Miranda MC, Saravia NG. Etiologic agent of an epidemic of cutaneous leishmaniasis in Tolima, Colombia. American Journal Of Tropical Medicine And Hygiene 2008, 78: 276-82. PMID: 18256429, DOI: 10.4269/ajtmh.2008.78.276.Peer-Reviewed Original ResearchConceptsAmerican cutaneous leishmaniasisCutaneous leishmaniasisEtiologic agentLeishmania guyanensisProbable etiologic agentLeishmaniasis control programLarge epidemicsMonoclonal antibodiesLeishmania isolatesLeishmaniasisPeridomestic settingsZoonotic diseaseL. panamensisEpidemicDomestic transmissionControl programsPresent studyIsoenzyme electrophoresisIsolatesAgentsGuyanensisPatientsDiseaseDiagnosisAntibodies
2007
Pharmacokinetics of Antimony in Children Treated for Leishmaniasis with Meglumine Antimoniate
Cruz A, Rainey PM, Herwaldt BL, Stagni G, Palacios R, Trujillo R, Saravia NG. Pharmacokinetics of Antimony in Children Treated for Leishmaniasis with Meglumine Antimoniate. The Journal Of Infectious Diseases 2007, 195: 602-608. PMID: 17230422, DOI: 10.1086/510860.Peer-Reviewed Original ResearchConceptsPharmacokinetics of antimonyMeglumine antimoniateDrug exposureIntramuscular meglumine antimoniateWeight-adjusted clearancePeak concentrationPotential clinical relevanceTime-concentration curveLower peak concentrationsAntimonial therapyPharmacokinetic differencesCutaneous leishmaniasisClinical relevanceChildren 3Day 20Clearance rateAntimoniateLeishmaniasisAdultsChildrenSecond groupFirst groupPharmacokineticsDaysExposure
2006
Resistance to Oxidative Stress Is Associated with Metastasis in Mucocutaneous Leishmaniasis
Acestor N, Masina S, Ives A, Walker J, Saravia NG, Fasel N. Resistance to Oxidative Stress Is Associated with Metastasis in Mucocutaneous Leishmaniasis. The Journal Of Infectious Diseases 2006, 194: 1160-1167. PMID: 16991092, DOI: 10.1086/507646.Peer-Reviewed Original ResearchConceptsMucocutaneous leishmaniasisMetastatic phenotypeMetastatic diseaseCutaneous lesionsMicrobicidal responsesMetastatic disseminationGolden hamstersNasopharyngeal tissuesCytoplasmic peroxiredoxinOxidative stressLeishmania promastigotesNonmetastatic clonesL. panamensisLeishmaniasisHost cellsParasitesPhenotypePatientsMetastasisHeat shockPathogenesisLesionsPeroxidase activityDiseaseDisseminationEvidence for Leishmania (Viannia) Parasites in the Skin and Blood of Patients Before and After Treatment
Vergel C, Palacios R, Cadena H, Posso CJ, Valderrama L, Perez M, Walker J, Travi BL, Saravia NG. Evidence for Leishmania (Viannia) Parasites in the Skin and Blood of Patients Before and After Treatment. The Journal Of Infectious Diseases 2006, 194: 503-511. PMID: 16845635, DOI: 10.1086/505583.Peer-Reviewed Original ResearchConceptsPeripheral blood monocytesAmerican cutaneous leishmaniasisCutaneous leishmaniasisLeishmania parasitesUnaffected skinAnthroponotic transmissionAcquisition of infectionBlood of patientsSource of infectionSand fliesAdult patientsLesion scarTreatment failureAntimonial drugsPatientsNormal skinLeishmaniasisMonocytesZoonotic diseaseLesion bordersSkinTreatmentMolecular detection methodsPositive resultsInfection
1999
Relationship between the Human T-lymphotropic Virus Type 1Infection and Clinical Manifestations of Tegumentary Leishmaniasis in the Colombian Pacific Coast
Lenis A, Blank A, Valderrama L, Saravia N. Relationship between the Human T-lymphotropic Virus Type 1Infection and Clinical Manifestations of Tegumentary Leishmaniasis in the Colombian Pacific Coast. Memórias Do Instituto Oswaldo Cruz 1999, 94: 19-20. PMID: 10029908, DOI: 10.1590/s0074-02761999000100007.Peer-Reviewed Original Research
1993
Epidemiology of Cutaneous Leishmaniasis in Colombia: A Longitudinal Study of the Natural History, Prevalence, and Incidence of Infection and Clinical Manifestations
Weigle K, Santrich C, Martinez F, Valderrama L, Saravia N. Epidemiology of Cutaneous Leishmaniasis in Colombia: A Longitudinal Study of the Natural History, Prevalence, and Incidence of Infection and Clinical Manifestations. The Journal Of Infectious Diseases 1993, 168: 699-708. PMID: 8354912, DOI: 10.1093/infdis/168.3.699.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAnimalsAntigens, ProtozoanChildChild, PreschoolCohort StudiesColombiaFemaleHumansIncidenceInfantInfant, NewbornLeishmania braziliensisLeishmaniasis, CutaneousLongitudinal StudiesMaleMiddle AgedModels, BiologicalProspective StudiesRespiratory SystemRural PopulationSex FactorsSkinSkin TestsTime FactorsConceptsLeishmanin skin test conversionMost primary infectionsSkin test conversionBurden of diseaseIncidence of infectionLeishmaniasis control programClinical manifestationsProspective studyPrimary infectionTest conversionLeishmania infectionIncidence rateTypical scarCutaneous leishmaniasisEndemic areasNew infectionsLeishmaniasis casesNatural historyInfectionLeishmaniasisNaive hostsLongitudinal studyLesionsOne-thirdIncidenceEpidemiology of Cutaneous Leishmaniasis in Colombia: Environmental and Behavioral Risk Factors for Infection, Clinical Manifestations, and Pathogenicity
Weigle K, Santrich C, Martinez F, Valderrama L, Saravia N. Epidemiology of Cutaneous Leishmaniasis in Colombia: Environmental and Behavioral Risk Factors for Infection, Clinical Manifestations, and Pathogenicity. The Journal Of Infectious Diseases 1993, 168: 709-714. PMID: 8354913, DOI: 10.1093/infdis/168.3.709.Peer-Reviewed Original ResearchConceptsRisk factorsFarming occupationLeishmania panamensis infectionRisk factor informationBehavioral risk factorsAcquisition of infectionYears of ageRisk of lesionsPanamensis infectionLeishmanial lesionsClinical manifestationsMale sexActive surveillanceLeishmania infectionCase ascertainmentCutaneous leishmaniasisNew infectionsInfectionLeishmania braziliensisLesionsFactor informationStrongest predictorAgeLeishmaniasisSexLeishmania (Viannia) panamensis-specific IgE and IgA antibodies in relation to expression of human tegumentary leishmaniasis.
O'Neil C, Labrada M, Saravia N. Leishmania (Viannia) panamensis-specific IgE and IgA antibodies in relation to expression of human tegumentary leishmaniasis. American Journal Of Tropical Medicine And Hygiene 1993, 49: 181-8. PMID: 8357080, DOI: 10.4269/ajtmh.1993.49.181.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnimalsAntibodies, ProtozoanAntibody SpecificityAntigens, ProtozoanChildChild, PreschoolCross ReactionsDose-Response Relationship, ImmunologicEnzyme-Linked Immunosorbent AssayFemaleHumansImmunoglobulin AImmunoglobulin EInfantLeishmania braziliensisLeishmaniasis, CutaneousLeishmaniasis, MucocutaneousMaleRadioallergosorbent TestRetrospective StudiesConceptsAmerican tegumentary leishmaniasisIgA antibodiesEnzyme-linked immunosorbent assayTegumentary leishmaniasisRadioallergosorbent testRAST valuesHuman tegumentary leishmaniasisDuration of diseaseIgA levelsMucocutaneous diseaseBiopsy specimenBiopsy specimensCutaneous diseaseSevere formPatientsHeterologous antigensDisease evolutionIgEImmunosorbent assayElevated levelsLeishmaniasisDiseaseInhibition testingAntibodiesSeparate groups
1992
Haemoculture of Leishmania (Viannia) braziliensis from two cases of mucosal leishmaniasis: Re-examination of haematogenous dissemination
Martinez J, Alba, Arias L, Escobar M, Saravia N. Haemoculture of Leishmania (Viannia) braziliensis from two cases of mucosal leishmaniasis: Re-examination of haematogenous dissemination. Transactions Of The Royal Society Of Tropical Medicine And Hygiene 1992, 86: 392-394. PMID: 1440813, DOI: 10.1016/0035-9203(92)90233-3.Peer-Reviewed Original ResearchConceptsMucosal leishmaniasisActive pulmonary tuberculosisMontenegro skin testPeripheral blood leucocytesIsolation of parasitesIndirect fluorescent antibodyCases of leishmaniasisCulture of parasitesHaematogenous disseminationMucosal involvementPulmonary tuberculosisCutaneous lesionsSkin testMucosal diseaseMetastatic spreadMonths durationBlood leucocytesRight legPatientsLeishmania parasitesLeishmania braziliensisL. braziliensisLeishmaniasisFluorescent antibodyLeucocytes