Mon, 20 Nov 2017

Design and Development of Oral Lipid Based Solid Self Micro emulsified Drug Delivery System

Shilpa P Chaudhari*1, Sadhana Kolhe1, A.A. Ranpise1, M.P.Ratnaparkhi1

1.Marathwada Mitra Mandal’s College of Pharmacy, Thergaon, Pune-33,University of Pune, Maharastra,India


ABSTRACT

The objective of the present study was to formulate a solid self micro emulsifying drug delivery system (SMEDDS) for oral administration to improve the solubility and bioavailability of Nimorazole. Solubility was determined in various oils, surfactants and cosurfactants. Of  all the oils accessed for drug solubility, Capmul PG 8 NF showed higher solubility for drug and was better microemulsified using combination of Labrasol and Labrafac CC surfactant. The optimal formulation consists of 30% Capmul PG 8 NF, 50% Labrafac CC,20% Labrasol , was adsorbed on carriers Aerosil200, Microcrystalline cellulose (MCC) and Kaolin .The SMEDDS and solid SMEDDS were characterized for Percent transmittance (%T). Those formulations which showed higher value for %T were evaluated for droplet size, polydispersity index, ζ potential, refractive index and cloud point measurement. Effect of drug loading on droplet size, increasing dilution in different media, thermodynamic stability and in vitro dissolution was performed to observe the performance of the selected formulation. The solid SMEDDS are characterized by globule size analysis, and drug release studies of formulations are compared with plain drug. Adsorption on kaolin produced SMEDDS with the desired globule size and drug release. There was an increase in both the solubility and dissolution rate of drug in S-SMEDDS-K3 as compared to dissolution rate of pure Nimorazole.

Keyword: Solid self-microemulsifying drug delivery system ,% transmittance study, droplet size, Capmul PG 8 NF.


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