PREPARATION AND IN VITRO EVALUATION OF METOPROLOL-LOADED BOVINE SERUM ALBUMIN NANOPARTICLES

  • SHIVA KUMAR YELLANKI Department of Pharmaceutics, Geethanjali College of Pharmacy, Cheeryal (V), Keesara (M), Hyderabad. Telangana, India.
  • SAI MANOJ A Department of Pharmaceutics, Geethanjali College of Pharmacy, Cheeryal (V), Keesara (M), Hyderabad. Telangana, India.
  • MANGILAL T Department of Pharmaceutics, Geethanjali College of Pharmacy, Cheeryal (V), Keesara (M), Hyderabad. Telangana, India.

Abstract

Objective: The aim of the present research was to prepare metoprolol-loaded nanospheres. Metoprolol-loaded bovine albumin nanospheres were prepared by nanoprecipitation method. Metoprolol is beta-1-adrenergic receptor inhibitor specific to cardiac cells, thus producing negative chronotropic and ionotropic effect.


Methods: Metoprolol nanospheres were prepared by nanoprecipitation method, using bovine serum albumin as polymer. The prepared nanospheres are evaluated for particle size evaluation, drug entrapment efficiency, and zeta potential. Drug-excipient compatibility was determined using Fourier-transform infrared spectroscopy. In vitro release and solubility of the drug from nanoparticles were determined.


Results: The particle size of prepared metoprolol nanospheres was found to be always less than 200 nm. Maximum particle size was found to be 196±2.03 nm of batch 4 nanoparticles. Entrapment efficiency of prepared nanospheres was above 80% and maximum percentage entrapment efficiency was found to be 80.4±0.51%. It was found that the percentage entrapment efficiency and drug release were extended with increase in polymer concentration. Zeta potential of the optimized formulation was found to be −20.4 mV. In vitro drug release studies have shown the prolonged release of 94.5±0.54 up to 10 h. Drug release rate is extended with an increase in polymer concentration.


Conclusion: Results have concluded that the albumin nanospheres loaded with metoprolol have reduced the blood pressure within 24 h and the prepared nanospheres are effective compared to other formulations and drug delivery.

Keywords: Metoprolol, Nanospheres, Bovine serum albumin, Nanoprecipitation, Entrapment efficiency, Zeta potential

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YELLANKI, S. K., S. MANOJ A, and M. T. “PREPARATION AND IN VITRO EVALUATION OF METOPROLOL-LOADED BOVINE SERUM ALBUMIN NANOPARTICLES”. Asian Journal of Pharmaceutical and Clinical Research, Vol. 14, no. 1, Jan. 2021, pp. 213-7, doi:10.22159/ajpcr.2021.v14i1.39738.
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