Polysaccharide and monosaccharide guided liver delivery of Sorafenib Tosylate: A nano-strategic approach and comparative assessment of hepatospecificity

Research output: Contribution to journalJournal articleResearchpeer-review

  • V. Dhawan
  • Lokras, Abhijeet Girish
  • G. Joshi
  • M. Marwah
  • M. Venkatraman
  • B. Mohanty
  • K. Darshan
  • P. Chaudhari
  • U. Warawdekar
  • M. Saraf
  • M. Nagarsenker

Hepatospecific delivery by ligand based receptor targeting is an established strategy to augment therapy associated with liver diseases and disorders. Previously, we have investigated the effect of ligand headgroup on cellular uptake mediated by the asialoglycoprotein receptor by in silico and in vitro approach. In this paper, we report the design of agarose based liposomes for delivery to liver cancer cells and provide a proof of concept of the targeting efficiency against galactose liposomes using an in vivo approach. Sorafenib Tosylate loaded targeting liposomes were developed and optimized using factorial design. Comparative evaluation including cell cytotoxicity, pharmacokinetics and biodistribution and hepatospecific uptake was performed for both the liposomal systems. The formulations possessed a particle size of 150 – 180 nm and a zeta potential of 30 - 60 mV depending on the amount of ligand and drug loading, with more than 90% entrapment efficiency. A two-fold increase in cytotoxicity was observed with agarose-based liposomes as compared to galactose based liposomes. In vivo PK evaluation indicated a reduction in half life of drug when loaded in agarose ligand loaded system, probably due to greater uptake in the liver as evidenced in biodistribution study. Intrahepatic disposition revealed a higher PC/NPC uptake ratio with the targeted systems as compared to conventional liposomes, although the agarose-based system resulted in highest uptake ratio. A biocompatible platform for specific delivery of drugs to hepatocytes was established validating a rational approach to design liver targeting systems.

Original languageEnglish
Article number122039
JournalInternational Journal of Pharmaceutics
Volume625
ISSN0378-5173
DOIs
Publication statusPublished - 2022

Bibliographical note

Funding Information:
Authors are thankful to Tata Institute of Fundamental Research for performing XRD studies of our samples. Authors also wish to thank Lipoid GmBH for providing gift samples of lipids. Authors thank Lady Tata Memorial Trust for providing fellowship to Vivek Dhawan. Authors are also thankful to CSIR-Indian Institute of Chemical Technology (Grant no. CSC0302) for providing funding to Megha Marwah. We are thankful to Department of Science and Technology (Grant no. SR/NM/NS-1103/2011) for providing fellowship to Meenakshi Venkatraman. We thank Benita Löflund and Pasi Laurinmäki (University of Helsinki) for technical assistance in cryoEM. The facilities and expertise of the HiLIFE CryoEM unit at the University of Helsinki, a member of Instruct-ERIC Centre Finland, FINStruct, and Biocenter Finland are gratefully acknowledged.

    Research areas

  • Hepatic disposition, Liposomes, Liver targeting, Nanosystem, Polysaccharide, Sorafenib tosylate

ID: 318708002