Abstract
Background: A biodegradable porous starch (BPS) was developed in order to improve dissolution and oral bioavailability of Itraconazole as a poorly water-soluble antifungal drug.
Method: BPS was developed by converting native starch from hydrogel to alcogel by solvent exchange method. The developed BPS carrier was characterized by SEM and nitrogen adsorption/desorption analysis to understand surface morphology and porosity distribution respectively. Itraconazole (ITR) was loaded on BPS by adsorption mediated solvent evaporation method, which provides a hydrophilic matrix powder. This causes drug distribution within hydrophilic matrix of porous starch.
Results: Solid-state characterization of optimized batch (ITR/BPS-3) was performed using DSC, PXRD, FTIR, SEM and FTIR chemical imaging. In vitro dissolution and in vivo pharmacokinetic studies were performed to evaluate therapeutic potential of ITR/BPS-3 system. In vitro studies of ITR: BPS-3 system revealed a burst effect in drug release (93%) compared to marketed product, which showed 90% drug release at the end of 60 min compared to 84% of marketed. Moreover, ITR/BPS-3 system showed improved oral bioavailability up to 3.93 fold and marketed product shows 3.12 fold compared to ITR.
Conclusion: This effect is due to high surface area, improved wettability and reduced crystallinity of ITR due to its adsorption into BPS. A successful methodology was reported to prepare BPS from raw starch
Keywords: Bioavailability, biodegradable porous starch, ITR, Itraconazole, RP-HPLC, solubility.
Current Drug Delivery
Title:Biodegradable Porous Starch Spheres as a Novel Carrier for Enhancement of Dissolution Rate and Oral Bioavailability of Itraconazole
Volume: 14 Issue: 7
Author(s): Jaywant Pawar*, Meer Tarique Ali, Ritesh Fule, Kailas Moravkar, Madhavsingh Seervi, Sadhana Sathaye and Purnima Amin
Affiliation:
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology Elite Status, Matunga, Mumbai – 400019,India
Keywords: Bioavailability, biodegradable porous starch, ITR, Itraconazole, RP-HPLC, solubility.
Abstract: Background: A biodegradable porous starch (BPS) was developed in order to improve dissolution and oral bioavailability of Itraconazole as a poorly water-soluble antifungal drug.
Method: BPS was developed by converting native starch from hydrogel to alcogel by solvent exchange method. The developed BPS carrier was characterized by SEM and nitrogen adsorption/desorption analysis to understand surface morphology and porosity distribution respectively. Itraconazole (ITR) was loaded on BPS by adsorption mediated solvent evaporation method, which provides a hydrophilic matrix powder. This causes drug distribution within hydrophilic matrix of porous starch.
Results: Solid-state characterization of optimized batch (ITR/BPS-3) was performed using DSC, PXRD, FTIR, SEM and FTIR chemical imaging. In vitro dissolution and in vivo pharmacokinetic studies were performed to evaluate therapeutic potential of ITR/BPS-3 system. In vitro studies of ITR: BPS-3 system revealed a burst effect in drug release (93%) compared to marketed product, which showed 90% drug release at the end of 60 min compared to 84% of marketed. Moreover, ITR/BPS-3 system showed improved oral bioavailability up to 3.93 fold and marketed product shows 3.12 fold compared to ITR.
Conclusion: This effect is due to high surface area, improved wettability and reduced crystallinity of ITR due to its adsorption into BPS. A successful methodology was reported to prepare BPS from raw starch
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Cite this article as:
Pawar Jaywant*, Ali Tarique Meer, Fule Ritesh, Moravkar Kailas , Seervi Madhavsingh , Sathaye Sadhana and Amin Purnima , Biodegradable Porous Starch Spheres as a Novel Carrier for Enhancement of Dissolution Rate and Oral Bioavailability of Itraconazole, Current Drug Delivery 2017; 14 (7) . https://dx.doi.org/10.2174/1567201813666160920154209
DOI https://dx.doi.org/10.2174/1567201813666160920154209 |
Print ISSN 1567-2018 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5704 |
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