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The Challenges of Effective Leishmaniasis Treatment

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Drug Resistance in Leishmania Parasites

Abstract

During the past decades, visceral leishmaniasis therapy has been faced with the rapid emergence of drug resistance against the pentavalent antimonials which had been used as mainstay of treatment for over 70 years. Even though cutaneous leishmaniasis cannot be linked to development of drug resistance, the huge species- and strain-specific variations in drug susceptibilities severely complicate effective treatment as well. A new challenge in leishmaniasis control has arisen with increasing numbers of treatment failures against all of the currently used anti-leishmanial standard drugs. The exact causes of these treatment failures are still not fully comprehended, but they are most likely a consequence of the complex interplay between parasite, host and drug. In this chapter, the generally accepted underlying factors of treatment failure are discussed along with their consequences for therapy, drug design and other related challenges.

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Notes

  1. 1.

    Regions which have a mean annual temperature > 22 °C measured in the open air combined with a mean annual partial water vapour pressure > 15–27 hPa.

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Hendrickx, S., Maes, L., Croft, S.L., Caljon, G. (2018). The Challenges of Effective Leishmaniasis Treatment. In: Ponte-Sucre, A., Padrón-Nieves, M. (eds) Drug Resistance in Leishmania Parasites. Springer, Cham. https://doi.org/10.1007/978-3-319-74186-4_9

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