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Int J Pharm. 2017 Jun 15;525(1):139-148. doi: 10.1016/j.ijpharm.2017.04.013. Epub 2017 Apr 8.

Unmet clinical needs in the treatment of systemic fungal infections: The role of amphotericin B and drug targeting.

Author information

1
Departamento de Farmacia y Tecnología Farmacéutica, Facultad de Farmacia, Universidad Complutense de Madrid,Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
2
Departamento de Farmacia y Tecnología Farmacéutica, Facultad de Farmacia, Universidad Complutense de Madrid,Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; Instituto Universitario de Farmacia Industrial (IUFI), Facultad de Farmacia, Universidad Complutense de Madrid, Avenida Complutense, 28040 Madrid, Spain.
3
Departamento de Farmacia y Tecnología Farmacéutica, Facultad de Farmacia, Universidad Complutense de Madrid,Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; Instituto Universitario de Farmacia Industrial (IUFI), Facultad de Farmacia, Universidad Complutense de Madrid, Avenida Complutense, 28040 Madrid, Spain. Electronic address: drserran@ucm.es.

Abstract

Recently an increase in both the prevalence and incidence of invasive fungal infections have been reported. The number of fungal species that can cause systemic mycoses are higher and current antifungal therapies are still far from ideal. The emergence of antifungal resistances has a major clinical impact when using azoles and echinocandins leading to possible treatment failure and ultimately putting the patient's life at risk. Amphotericin B can play a key role in treating severe invasive mycoses as the incidence of antifungal resistance is very low combined with a high efficacy against a wide range of fungi. However, the use of this drug is limited due to its high toxicity and the infusion-related side effects often necessitating patient hospitalisation. New medicines based on lipid-based systems have been commercialised in the last decade, these treatments are able to reduce the toxicity of the drug but intravenous administration is still required. An oral or topically self-administered amphotericin B formulation can overcome these challenges, however such a product is not yet available. Several drug delivery systems such as cochleates, nanoparticulate and self-emulsifying systems are under development in order to enhance the solubility of the drug in aqueous media and promote oral absorption and cutaneous permeation across the skin. In this review, the type of drug delivery system and the effect of particle size on efficacy, toxicity and biodistribution will be discussed.

KEYWORDS:

AmBisome(®); Amphotericin B; Candida spp; Drug delivery; Nanoparticles; Nephrotoxicity; Poly-aggregates

PMID:
28400291
DOI:
10.1016/j.ijpharm.2017.04.013
[Indexed for MEDLINE]

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