In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2021 |
| Outros Autores: | , , , , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Institucional da FIOCRUZ (ARCA) |
| Texto Completo: | https://www.arca.fiocruz.br/handle/icict/49067 |
Resumo: | Universidade de São Paulo. Instituto de Ciências Biomédicas. Departamento de Parasitologia. São Paulo, SP, Brasil. |
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Espada, Caroline RicceLevatti, Erica V. de CastroBoité, Mariana CôrtesLamounier, DorcasAlvar, JorgeCupolillo, ElisaCosta, Carlos Henrique NeryRodde, JoelleUliana, Silvia R. B.2021-09-13T21:39:06Z2021-09-13T21:39:06Z2021ESPADA, Caroline Ricce et al. In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil. Microorganisms, v. 9, n. 1228, 15 p, 2021.2076-2607https://www.arca.fiocruz.br/handle/icict/4906710.3390/microorganisms9061228engMDPICepas clínicasMiltefosinaSusceptibilidadeLeishmaniose visceralClinical strainsMiltefosineSusceptibilityVisceral leishmaniasisIn Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazilinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleUniversidade de São Paulo. Instituto de Ciências Biomédicas. Departamento de Parasitologia. São Paulo, SP, Brasil.Universidade de São Paulo. Instituto de Ciências Biomédicas. Departamento de Parasitologia. São Paulo, SP, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Pesquisa em Leishmanioses. Rio de Janeiro, RJ, Brasil.Universidade Federal do Piauí. Hospital de Doenças Tropicais Natan Portela. Teresina, PI, Brasil.Drugs for Neglected Diseases initiative (DNDi). 1202 Geneva, Switzerland.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Pesquisa em Leishmanioses. Rio de Janeiro, RJ, Brasil.Universidade Federal do Piauí. Hospital de Doenças Tropicais Natan Portela. Teresina, PI, Brasil.Drugs for Neglected Diseases initiative (DNDi). Rio de Janeiro, RJ, Brasil.Universidade de São Paulo. Instituto de Ciências Biomédicas. Departamento de Parasitologia. São Paulo, SP, Brasil.Abstract: Treatment of visceral leishmaniasis in Brazil still relies on meglumine antimoniate, with less than ideal efficacy and safety, making new therapeutic tools an urgent need. The oral drug miltefosine was assayed in a phase II clinical trial in Brazil with cure rates lower than previously demonstrated in India. The present study investigated the susceptibility to miltefosine in 73 Brazilian strains of Leishmania infantum from different geographic regions, using intracellular amastigote and promastigote assays. The EC50 for miltefosine of 13 of these strains evaluated in intracellular amastigotes varied between 1.41 and 4.57 µM. The EC50 of the 73 strains determined in promastigotes varied between 5.89 and 23.7 µM. No correlation between in vitro miltefosine susceptibility and the presence of the miltefosine sensitive locus was detected among the tested strains. The relatively low heterogeneity in miltefosine susceptibility observed for the 73 strains tested in this study suggests the absence of decreased susceptibility to miltefosine in Brazilian L. infantum and does not exclude future clinical evaluation of miltefosine for VL treatment in Brazil.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/49067/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALMarianaBoite_ElisaCupollilo_etal_IOC_2021.pdfMarianaBoite_ElisaCupollilo_etal_IOC_2021.pdfapplication/pdf1782609https://www.arca.fiocruz.br/bitstream/icict/49067/2/MarianaBoite_ElisaCupollilo_etal_IOC_2021.pdf34b3b6dcf100b1d597353dbed5740639MD52TEXTMarianaBoite_ElisaCupollilo_etal_IOC_2021.pdf.txtMarianaBoite_ElisaCupollilo_etal_IOC_2021.pdf.txtExtracted 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| dc.title.pt_BR.fl_str_mv |
In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil |
| title |
In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil |
| spellingShingle |
In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil Espada, Caroline Ricce Cepas clínicas Miltefosina Susceptibilidade Leishmaniose visceral Clinical strains Miltefosine Susceptibility Visceral leishmaniasis |
| title_short |
In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil |
| title_full |
In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil |
| title_fullStr |
In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil |
| title_full_unstemmed |
In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil |
| title_sort |
In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil |
| author |
Espada, Caroline Ricce |
| author_facet |
Espada, Caroline Ricce Levatti, Erica V. de Castro Boité, Mariana Côrtes Lamounier, Dorcas Alvar, Jorge Cupolillo, Elisa Costa, Carlos Henrique Nery Rodde, Joelle Uliana, Silvia R. B. |
| author_role |
author |
| author2 |
Levatti, Erica V. de Castro Boité, Mariana Côrtes Lamounier, Dorcas Alvar, Jorge Cupolillo, Elisa Costa, Carlos Henrique Nery Rodde, Joelle Uliana, Silvia R. B. |
| author2_role |
author author author author author author author author |
| dc.contributor.author.fl_str_mv |
Espada, Caroline Ricce Levatti, Erica V. de Castro Boité, Mariana Côrtes Lamounier, Dorcas Alvar, Jorge Cupolillo, Elisa Costa, Carlos Henrique Nery Rodde, Joelle Uliana, Silvia R. B. |
| dc.subject.other.pt_BR.fl_str_mv |
Cepas clínicas Miltefosina Susceptibilidade Leishmaniose visceral |
| topic |
Cepas clínicas Miltefosina Susceptibilidade Leishmaniose visceral Clinical strains Miltefosine Susceptibility Visceral leishmaniasis |
| dc.subject.en.pt_BR.fl_str_mv |
Clinical strains Miltefosine Susceptibility Visceral leishmaniasis |
| description |
Universidade de São Paulo. Instituto de Ciências Biomédicas. Departamento de Parasitologia. São Paulo, SP, Brasil. |
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2021 |
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2021-09-13T21:39:06Z |
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2021-09-13T21:39:06Z |
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2021 |
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info:eu-repo/semantics/article |
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ESPADA, Caroline Ricce et al. In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil. Microorganisms, v. 9, n. 1228, 15 p, 2021. |
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https://www.arca.fiocruz.br/handle/icict/49067 |
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2076-2607 |
| dc.identifier.doi.none.fl_str_mv |
10.3390/microorganisms9061228 |
| identifier_str_mv |
ESPADA, Caroline Ricce et al. In Vitro Susceptibility to Miltefosine of Leishmania infantum (syn. L. chagasi) Isolates from Different Geographical Areas in Brazil. Microorganisms, v. 9, n. 1228, 15 p, 2021. 2076-2607 10.3390/microorganisms9061228 |
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