Sorafenib Loaded Resealed Erythrocytes for the treatment of Hepatocellular Carcinoma
- 2 February 2023
- journal article
- Published by Bentham Science Publishers Ltd. in Recent Advances in Drug Delivery and Formulation
Abstract
Background: This study aims to formulate and characterize sorafenib-loaded resealed erythrocytes (SoRE) and investigate their anticancer activity in a rat model of hepatocellular carcinoma. Methods: SoRE were prepared by hypotonic dialysis of red blood cells obtained from Wistar rats using a range of drug-containing dialysis mediums (2-10 mg/ml) and osmosis time (30-240 mins). Optimized SoRE (8 mg/mL and 240 mins) were characterized for size, morphology, stability, entrapment efficiency, in-vitro release profiles, and in-vivo efficacy evaluations. For efficacy studies, optimized SoRE were intravenously administered to Wistar rats having hepatocellular lesions induced by aflatoxin B and monitored for in-vivo antineoplastic activity. Results: The amount of sorafenib entrapped was directly proportional to the drug concentration in the dialysis medium and duration of osmosis; highest for 10 mg/mL and 240 minutes and lowest for 2 mg/mL and 30 minutes, respectively. Optimized SoRE were biconcave with a size of 112.7 nm and zeta potential of -11.95 2.25 mV. Osmotic and turbulence fragility were comparable with native erythrocytes. Conclusion: Drug release follows the first-order pattern. In-vivo investigations reveal better anticancer activity of SoRE formulation compared to sorafenib standard preparation. Resealed erythrocytes loaded with sorafenib displayed first-order in-vitro release and promising anticancer activity in a rat model of hepatocellular carcinoma.Keywords
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