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International Journal of Drug Development and Research

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HPLC-Fluorescence Method for the Enantioselective Analysis of Propranolol in Rat Serum Using Immobilized Polysaccharide-Based Chiral Stationary Phase

Joint Event on 23rd International Conference and Exhibition on PHARMACEUTICAL FORMULATIONS & 13th International Conference and Exhibition on PHARMACOVIGILANCE & DRUG SAFETY
July 27-28, 2020 | Webinar

Aymen Al-Suwailem

Military Price Sultan Cardiac Center, Saudi Arabia

Posters & Accepted Abstracts: Int J Drug Dev & Res

Abstract:

A stereo selective high-performance liquid chromatographic (HPLC) method was developed and validated to determine S-( )- and R-(+)-propranolol in rat serum. Enantio-meric resolution was achieved on cellulose tris (3,5-dimethylphenylcarbamate) immobilized onto spherical porous silica chiral stationary phase (CSP) known as Chiralpak IB. A simple analytical method was validated using a mobile phase consisted of n-hexane-ethanol-triethylamine (95:5:0.4%, v/v/v) at a flow rate of 0.6 mL min and fluorescence detection set at excitation/emission wavelengths 290/375 nm. The calibration curves were linear over the range of 10–400 ng mL-1 (R = 0.999) for each enantiomer with a detection limit of 3 ng mL-1. The proposed method was validated in compliance with ICH guidelines in terms of linearity, accuracy, precision, limits of detection and quantitation, and other aspects of analytical validation. Actual quantification could be made for propranolol isomers in serum obtained from rats that had been intraperitoneally (i.p.) administered a single dose of the drug. The proposed method established in this study is simple and sensitive enough to be adopted in the fields of clinical and forensic toxicology. Molecular modelling studies including energy minimization and docking studies were first performed to illustrate the mechanism by which the active enantiomer binds to the β-adrenergic receptor and second to find a suitable interpretation of how both enantiomers are interacting with cellulose tris(3,5-dimethylphenylcarbamate) CSP during the process of resolution. The latter interaction was demonstrated by calculating the binding affinities and interaction distances between propranolol enantiomers and chiral selector.

Biography :

Aymen has received Bachelor Degree of Pharmaceutical Sciences at King Saud University and undergone Military Training Courses for Post Graduate Medical Students with excellent grade. Completed Master’s degree of Pharmaceutical Sciences at King Saud University and as well as received Ph.D. Currently working in Military Price Sultan Cardiac Center, Saudi Arabia.