Biopolymer-Capped Pyrazinamide-Loaded Colloidosomes : In Vitro Characterization and Bioavailability Studies

  • Avi Singh
  • , Sabya Sachi Das
  • , Janne Ruokolainen
  • , Kavindra Kumar Kesari*
  • , Sandeep Kumar Singh*
  • *Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)
59 Downloads (Pure)

Abstract

This study aimed to prepare colloidosome particles loaded with pyrazinamide (PZA). These drug-loaded colloidosomes were prepared using an in situ gelation technique using a central composite design with a shell made of calcium carbonate (CaCO3) particles. Optimal amounts of 150 mg of CaCO3, sodium alginate (2%), and 400 mg of poly(3-hydroxybutyrate-co-3-hydroxy valerate) (PHBV) concentration resulted in the maximum drug loading and efficient release profile. Field emission scanning electron microscopy results showed spherical porous particles with a good coating of the PHBV polymer. Additionally, Fourier transform infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC), thermogravimetric and differential thermal analysis (TGA-DTA), and X-ray diffraction (XRD) analysis showed good compatibility between the drug and excipients. The pharmacokinetic studies demonstrated that the drug-loaded colloidosomes resulted in 4.26 times higher plasma drug concentrations with Cmax values of 32.386 ± 2.744 mcg/mL (PZA solution) and 115.868 ± 53.581 mcg/mL (PZA-loaded colloidosomes) and AUC0-t values of 61.24 mcg-h/mL (PZA solution) and 260.9 mcg-h/mL (PZA-loaded colloidosomes), indicating that colloidosomes have the potential to be effective drug carriers for delivering PZA to the target site.

Original languageEnglish
Pages (from-to)25515–25524
JournalACS Omega
Volume8
Issue number28
DOIs
Publication statusPublished - 6 Jul 2023
MoE publication typeA1 Journal article-refereed

Funding

A.S. acknowledges the financial assistance provided by the Department of Science and Technology, Government of India, under Inspire Programme (IF: 180432). The authors acknowledge the central instrument facility of the Birla Institute of Technology. The graphical abstract has been created using Biorender.

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