Oral Nanoemulsion of Fenofibrate: Formulation, Characterization, and In Vitro Drug Release Studies

Nisha Gulati, Dinesh Kumar Chellappan, Murtaza M. Tambuwala, Alaa A. A. Aljabali, Parteek Prasher, Sachin Kumar Singh, Krishnan Anand, Ankur Sharma, Niraj Kumar Jha, Gaurav Gupta, Kamal Dua, Harish Dureja

Research output: Contribution to journalArticlepeer-review

Abstract

Nanoemulsions (NMs) are one of the most important colloidal dispersion systems that are primarily used to improve the solubility of poorly water soluble drugs. The main objectives of this study were, first, to prepare an NM loaded with fenofibrate using a high shear homogenization technique and, second, to study the effect of variable using a central composite design. Twenty batches of fenofibrate-loaded NM formulations were prepared. The formed NMs were subjected to droplet size analysis, zeta potential, entrapment efficiency, pH, dilution, polydispersity index, transmission electron microscopy (TEM), Fourier transform infrared spectrophotometry, differential scanning calorimetry (DSC), and in vitro drug release study. Analysis of variance was used for entrapment efficiency data to study the fitness and significance of the design. The NM-7 batch formulation demonstrated maximum entrapment efficiency (81.82%) with lowest droplet size (72.28 nm), and was thus chosen as the optimized batch. TEM analysis revealed that the NM was well dispersed with droplet sizes <100 nm. Incorporation of the drug into the NM was confirmed with DSC studies. In addition, the batch NM-7 also showed the maximum in vitro drug release (87.6%) in a 0.05 M sodium lauryl sulfate solution. The release data revealed that the NM followed first-order kinetics. The outcomes of the study revealed the development of a stable oral NM containing fenofibrate using the high shear homogenization technique. This approach may aid in further enhancing the oral bioavailability of fenofibrate, which requires further in vivo studies.
Original languageEnglish
Number of pages17
JournalASSAY and Drug Development Technologies
Early online date14 May 2021
DOIs
Publication statusE-pub ahead of print - 14 May 2021

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