alexa in vitro susceptibility of Leishmaniadonovani to miltefosine in Indian visceral Leishmaniasis.
Infectious Diseases

Infectious Diseases

Journal of Tropical Diseases & Public Health

Author(s): Prajapati VK, Sharma S, Rai M, Salotra P, Ostyn B

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The in vitro leishmanicidal activity of miltefosine® (Zentaris GmbH) was assessed against four medically relevant Leishmania species of Brazil: Leishmania (Leishmania) amazonensis, Leishmania (Viannia) braziliensis, Leishmania (Viannia) guyanensis and Leishmania (Leishmania) chagasi. The activity of miltefosine against these New World species was compared to its activity against the Old World strain, Leishmania (Leishmania) donovani, which is known to be sensitive to the effects of miltefosine. The IC50 and IC90 results suggested the New World species harboured similar in vitro susceptibilities to miltefosine; however, miltefosine was approximately 20 times more active against the Old World L. (L.) donovani than against the New World L. (L.) chagasi species. The selectivity index varied from 17.2-28.9 for the New World Leishmania species and up to 420.0 for L. (L.) donovani. The differences in susceptibility to miltefosine suggest that future clinical trials with this drug should include a laboratory pre-evaluation and a dose-defining step.

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This article was published in Am J Trop Med Hyg and referenced in Journal of Tropical Diseases & Public Health

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