Single Intravenous Dose of Novel Flurbiprofen-Loaded Proniosome Formulations Provides Prolonged Systemic Exposure and Anti-inflammatory Effect (original) (raw)

2016, Molecular pharmaceutics

Vesicular and colloidal delivery systems can be designed to control drug release spatially and temporally to improve drug efficacy and side effect profiles. Niosomes (vesicles prepared from nonionic surfactants in aqueous media) are gaining interest as an alternative vesicular delivery system as they offer advantages such as biocompatibility, chemical stability, low cost, high purity, and versatility. However, the physical stability of niosomes, like other vesicular systems, is limited by vesicle fusion, aggregation, and leakage. Proniosomes (dehydrated powder or gel formulations that spontaneously form niosomes on hydration with aqueous media) can overcome these physical stability problems and are more convenient for sterilization, storage, transport, distribution, and dosing. Proniosomes have mostly been explored for their potential to enhance transdermal and oral absorption. In this study we assess, for the first time, the potential for hydrated proniosomes to sustain systemic ex...

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