Antileishmanial Drug Discovery and Development: Time to Reset the Model?
Leishmaniasis is a vector-borne parasitic disease caused by species. The disease affects humans and animals, particularly dogs, provoking cutaneous, mucocutaneous, or visceral processes depending on the sp. and the host immune response. No vaccine for humans is available, and the control relies main...
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Veröffentlicht in: | Microorganisms (Basel) 2021-12, Vol.9 (12), p.2500 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Leishmaniasis is a vector-borne parasitic disease caused by
species. The disease affects humans and animals, particularly dogs, provoking cutaneous, mucocutaneous, or visceral processes depending on the
sp. and the host immune response. No vaccine for humans is available, and the control relies mainly on chemotherapy. However, currently used drugs are old, some are toxic, and the safer presentations are largely unaffordable by the most severely affected human populations. Moreover, its efficacy has shortcomings, and it has been challenged by the growing reports of resistance and therapeutic failure. This manuscript presents an overview of the currently used drugs, the prevailing model to develop new antileishmanial drugs and its low efficiency, and the impact of deconstruction of the drug pipeline on the high failure rate of potential drugs. To improve the predictive value of preclinical research in the chemotherapy of leishmaniasis, several proposals are presented to circumvent critical hurdles-namely, lack of common goals of collaborative research, particularly in public-private partnership; fragmented efforts; use of inadequate surrogate models, especially for in vivo trials; shortcomings of target product profile (TPP) guides. |
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ISSN: | 2076-2607 2076-2607 |
DOI: | 10.3390/microorganisms9122500 |