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Formulation and Evaluation of Self Micro-Emulsifying drug delivery System of Carvedilol

Author(s): M. M. Desai and Anna Pratima G Nikalje*
Maulana Azad College of Arts and Science, Dr. Babasaheb Ambedkar Marathwada University, University Campus, Aurangabad, Maharashtra 431004, 1Wilson College, Sea Facing, Mumbai, Maharashtra 400007, India

Correspondence Address:
Anna Pratima G Nikalje, Wilson College, Sea Facing, Mumbai, Maharashtra 400007, India, E-mail:

The current work involves preparation and evaluation of self-micro emulsifying drug delivery system of carvedilol, an nonselective betablocker and alpha-1 blocker. Oral self micro-emulsifying drug delivery system of Carvedilol were prepared by studying the solubility in different oils, surfactants and co-surfactants and formulations were prepared using mixtures of oils, surfactants, and cosurfactants in various proportions. Based on the solubility study, the optimised self micro-emulsifying drug delivery system of carvedilol was prepared using Capryol 90 as oil phase and tween 20 and transcutol P as surfactant and co-surfactant, respectively. The formulations were evaluated for stability, globule size and in vitro performance. To estimate the drug content from various excipients, final microemulsion formulations and in vitro performance study, a stability-indicating validated high-performance liquid chromatography method was developed using Inertsil ODS-3V (150 mm×4.6 mm, 5 μm) high-performance liquid chromatography column. The method was validated for various parametes like accuracy, linearity, precision (intraday and interday) and robustness. All the validation parameters were in acceptable range. The developed method was found to be specific accurate and robust for estimation of carvedilol from its microemulsion formulations.

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Citations : 66710

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