2017
DOI: 10.1371/journal.pntd.0005620
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Combined treatment of miltefosine and paromomycin delays the onset of experimental drug resistance in Leishmania infantum

Abstract: BackgroundSince miltefosine monotherapy against visceral leishmaniasis (VL) caused by Leishmania donovani has been discontinued in the Indian subcontinent due to an increase in the number of treatment failures, single dose liposomal amphotericin B is now advocated as a treatment option of choice. Paromomycin-miltefosine combination therapy can be used as substitute first-line treatment in regions without cold-chain potential. Previous laboratory studies in the closely related species Leishmania infantum have d… Show more

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Cited by 34 publications
(41 citation statements)
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“…Despite the high toxicity, the need for intravenous administration and the need for hospitalization and monitoring during treatment, the antileishmanial drugs amphotericin B and glucantime are used as first-line drugs in several countries 5 , 6 . Nowadays, many studies are conducted to determine alternative drugs to treat neglected diseases with lower toxicity and costs and to identify methods to increase the efficacy of current drugs, decreasing the side effects 7 , 8 . The efficacy of the trace element zinc (Zn) has been tested in a murine model of infection by L. major 9 and in human cases of cutaneous leishmaniasis 10 .…”
Section: Introductionmentioning
confidence: 99%
“…Despite the high toxicity, the need for intravenous administration and the need for hospitalization and monitoring during treatment, the antileishmanial drugs amphotericin B and glucantime are used as first-line drugs in several countries 5 , 6 . Nowadays, many studies are conducted to determine alternative drugs to treat neglected diseases with lower toxicity and costs and to identify methods to increase the efficacy of current drugs, decreasing the side effects 7 , 8 . The efficacy of the trace element zinc (Zn) has been tested in a murine model of infection by L. major 9 and in human cases of cutaneous leishmaniasis 10 .…”
Section: Introductionmentioning
confidence: 99%
“…As promastigotas de L. amazonensis não apresentaram alterações de membrana significantes detectáveis pela sonda Sytox Green ao fim de 60 minutos de incubação nos (CHAPPUIS et al, 2007;HENDRICKX et al, 2017).…”
Section: Avaliação Da Integridade De Membrana Celular E Alterações Dounclassified
“…Apesar da tentativa da OMS em promover o uso de doses elevadas e únicas da lipossomal para evitar a utilização de muitas doses, selecionando e favorecendo a multiplicação de parasitos resistentes ao fármaco, sempre há possibilidade de não haver a cura completa do paciente e levando ao aparecimento de cepas resistentes como citado anteriormente(PONTE-SUCRE et al, 2017). Porém, a maior restrição associada ao uso da formulação lipossomal está na necessidade de instalações e transportes com temperatura fria para sua preservação, e isso limita drasticamente a sua distribuição em muitas localizações geográficas(HENDRICKX et al, 2017).Nos últimos anos, o fármaco miltefosina (Milt) vem sendo caracterizado em relação à sua ação leishmanicida. A miltefosina é um medicamento antitumoral, o qual induz apoptose em células alvo através de sinalizações celulares lipídeo-dependentes, além disso, a droga ativa macrófagos infectados através da produção de citocinas do complexo Th1 podendo ser um componente auxiliar na eliminação de parasitos.…”
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