QbD-Based Development of Cationic Self-nanoemulsifying Drug Delivery Systems of Paclitaxel with Improved Biopharmaceutical Attributes

AAPS PharmSciTech
Sarwar BegBhupinder Singh

Abstract

The present studies describe quality-by-design-based design and characterization of cationic self-nanoemulsifying formulations of paclitaxel for improving its biopharmaceutical attributes. Solubility and phase titration experiments were designed to select the lipidic and emulsifying excipients. Two different types of lipidic nanoformulations were developed using medium-chain triglycerides (MCTs) and long-chain triglycerides (LCTs). The nanoformulations were optimized by mixture designs and subjected to evaluation for globule size, zeta potential, drug release, and intestinal permeability. Following apt mathematical modeling, the optimum nanoformulation was earmarked using numerical optimization. Further, cationic formulations were developed for both LCT- and MCT-containing formulations and subjected to performance evaluation. The optimized formulations were extensively evaluated, where an in vitro drug release study indicated 2.7-fold improvement in dissolution rate from optimized cationic nanoformulations over powder pure drug. Ex vivo and in situ evaluation performed on Wistar rats exhibited nearly six- to eightfold enhancement in permeation and absorption parameters of the drug for the optimized cationic nanoformulation as c...Continue Reading

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BETA
dynamic light scattering
SPIP

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SNEDDS
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PCP
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