2023
DOI: 10.53660/487.prw1414
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Caracterização de uma microemulsão contendo um derivado do dilapiol extraído de Piper aduncum (Piperaceae)

Abstract: A nanotecnologia é uma inovação farmacêutica que visa veicular ativos em formulação microemulsinada com capacidade de liberar fármacos de forma modificada, uma alternativa para aplicação cutânea. O objetivo do estudo foi caracterizar uma microemulsão contendo um derivado de dilapiol (EBD) para administração tópica. Os componentes da formulação contendo o EBD (ME-EBD) foram padronizados, pesados e homogenizados por uma prancha agitadora em uma temperatura ambiente. A formulação foi analisada por Zetasizer Nano,… Show more

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Cited by 2 publications
(8 citation statements)
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“…At 48 h, DBE showed a significantly higher performance against amastigote forms of L. guyanensis when compared to Glucantime®, dillapiole, and Pentacarinat®, as well as against amastigotes of L. amazonensis compared to Pentacarinat® and dillapiole. DBE inhibited amastigote forms of L. amazonensis by around 88% at a concentration of 4.5 µM when tested in infected peritoneal macrophages for 48 h (Barros 2018), which was corroborated by our results. We found no publications on dillapiole analogues against L. guyanensis, both in the promastigote and amastigote forms, thus our study is the first to describe the antileishmanial activity of DBE in this species, showing that DBE may be a molecule that has broad-spectrum activity for the treatment of cutaneous leishmaniasis.…”
Section: Discussionsupporting
confidence: 90%
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“…At 48 h, DBE showed a significantly higher performance against amastigote forms of L. guyanensis when compared to Glucantime®, dillapiole, and Pentacarinat®, as well as against amastigotes of L. amazonensis compared to Pentacarinat® and dillapiole. DBE inhibited amastigote forms of L. amazonensis by around 88% at a concentration of 4.5 µM when tested in infected peritoneal macrophages for 48 h (Barros 2018), which was corroborated by our results. We found no publications on dillapiole analogues against L. guyanensis, both in the promastigote and amastigote forms, thus our study is the first to describe the antileishmanial activity of DBE in this species, showing that DBE may be a molecule that has broad-spectrum activity for the treatment of cutaneous leishmaniasis.…”
Section: Discussionsupporting
confidence: 90%
“…DBE was shown to be less toxic to PBMCs than to L. amazonensis and L. guyanensis parasites, with SI of 67.9 for both species, showing a less toxic profile than that of Pentacarinat®. In another study, DBE showed a SI of 76.5 and was more toxic to L. amazonensis than to peritoneal macrophages after 48 h (Barros 2018). This corroborates our findings since, for a prototype to be considered promising to become a drug, it must have an SI equal to or greater than 10 (Chiaradia 2007).…”
Section: Discussionsupporting
confidence: 88%
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“…Ademais, estudo de Parise-Filho et al ( 2012) demonstraram que o dilapiol e dois de seus derivados (di-hidrodilapiol e isodilapiol) apresentaram atividade antileishmania em promastigotas das espécies Leishmania (L.) amazonensis e Leishmania (V.) brasiliensis. Já no estudo de Barros (2018) demonstrou a atividade antileishmania de um novo derivado do dilapiol (EBD) contra à L. (L.) amazonensis.…”
Section: Introductionunclassified