Formulation and Evaluation of Lercanidipine Loaded Self-Nanoemulsifying Drug Delivery System
DOI:
https://doi.org/10.37285/ijpsn.2018.11.3.5Abstract
In the present study, we sought to improve the solubility and bioavailability of lercanidipine HCl using self-nanoemulsifying drug delivery systems (SNEDDS). The extent of self-emulsification was checked with various oils with suitable surfactants and co-surfactants. The final optimized formulation contained Caproyl 90, Tween 80 and Labrosol as oil, surfactant and co-surfactant respectively. Based on lercanidipine solubility analysis, ternary phase diagrams were constructed for optimizing the system. The formulations were evaluated for FTIR studies, scanning electron microscopy (SEM), solubility, droplet size determination, zeta potential and stability studies. The droplet size was found to be 5.1 nm and Z-Average of 14.6 nm. The zeta potential of the optimized formulation (F16) was found to be -19.7 mV. In vitro drug release from SNEDDS was significantly higher than pure drug. Hence, lercanidipine SNEDDS is an optimum formulation strategy to enhance the solubility and oral bioavailability of this poorly water-soluble drug.
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Keywords:
Lercanidipine, Caproyl 90, Tween 80, Labrosol, Solubility, SNEDDSDownloads
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