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Home / Archives for Costa DL

Natural resistance of leishmania infantum to miltefosine contributes to the low efficacy in the treatment of visceral leishmaniasis in Brazil

  • Autores: Carnielli JBT, Monti-Rocha R, Costa DL, Molina Sesana A, Pansini LNN, Segatto M, Mottram JC, Costa CHN, Carvalho SFG, Dietze R
  • Ano de Publicação: 2019
  • Journal: The American Journal of Tropical Medicine and Hygiene
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/31436148

In India, visceral leishmaniasis (VL) caused by Leishmania donovani has been successfully treated with miltefosine with a cure rate of > 90%. To assess the efficacy and safety of oral miltefosine against Brazilian VL, which is caused by Leishmania infantum, a phase II, open-label, dose-escalation study of oral miltefosine was conducted in children (aged 2-12 years) and adolescent-adults […]
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A Leishmania infantum genetic marker associated with miltefosine treatment failure for visceral leishmaniasis

  • Autores: Carnielli JBT, Crouch K, Forrester S, Silva VC, Carvalho SFG, Damasceno JD, Brown E, Dickens NJ, Costa DL, Costa CHN, Dietze R, Jeffares DC, Mottram JC
  • Ano de Publicação: 2018
  • Journal: EBioMedicine
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/30268832

BACKGROUND: Miltefosine has been used successfully to treat visceral leishmaniasis (VL) in India, but it was unsuccessful for VL in a clinical trial in Brazil. METHODS: To identify molecular markers that predict VL treatment failure whole genome sequencing of 26 L. infantum isolates, from cured and relapsed patients allowed a GWAS analysis of SNPs, gene […]
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Causes and consequences of higher Leishmania infantum burden in patients with kala-azar: a study of 625 patients

  • Autores: Costa CHN, Costa DL, de Pinho FA, Pereira TC, Rolão N, Sene I, Silva JC, Zacarias DA
  • Ano de Publicação: 2017
  • Journal: Tropical Medicine & International Health
  • Link: https://onlinelibrary.wiley.com/doi/full/10.1111/tmi.12877

An infected host’s Leishmania infantum load in blood is considered to be an estimate of his or her total parasite burden. Therefore, the measurement of blood parasite burden is important in the identification of factors involved in parasite control. Quantitative polymerase chain reaction was performed on blood samples from 625 patients with kala-azar consecutively admitted […]
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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