Inhaled Antifungal Agents for the Treatment and Prophylaxis of Pulmonary Mycoses

Author(s): Qiuying Liao, Jenny K.W. Lam*

Journal Name: Current Pharmaceutical Design

Volume 27 , Issue 12 , 2021


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Abstract:

Pulmonary mycoses are associated with high morbidity and mortality. The current standard treatment by systemic administration is limited by inadequate local bioavailability and systemic toxic effects. Aerosolisation of antifungals is an attractive approach to overcome these problems, but no inhaled antifungal formulation is currently available for the treatment of pulmonary mycoses. Hence, the development of respirable antifungals formulations is of interest and in high demand. In this review, the recent advances in the development of antifungal formulations for pulmonary delivery are discussed, including both nebulised and dry powder formulations. Although the clinical practices of nebulised parenteral amphotericin B and voriconazole formulations (off-label use) are reported to show promising therapeutic effects with few adverse effects, there is no consensus about the dosage regimen (e.g. the dose, frequency, and whether they are used as single or combination therapy). To maximise the benefits of nebulised antifungal therapy, it is important to establish standardised protocol that clearly defines the dose and specifies the device and the administration conditions. Dry powder formulations of antifungal agents such as itraconazole and voriconazole with favourable physicochemical and aerosol properties are developed using various powder engineering technologies, but it is important to consider their suitability for use in patients with compromised lung functions. In addition, more biological studies on the therapeutic efficacy and pharmacokinetic profile are needed to demonstrate their clinical potential.

Keywords: Aerosol, amphotericin, aspergillosis, dry powder inhaler, echinocandin, nebulisation, triazole.

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Article Details

VOLUME: 27
ISSUE: 12
Year: 2021
Published on: 01 January, 2021
Page: [1453 - 1468]
Pages: 16
DOI: 10.2174/1381612826666210101153547
Price: $65

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