Enhancement of irinotecan oral bioavailability through quality by design approach in nanobubble formulation development
DOI:
https://doi.org/10.1590/s2175-97902026e24587Keywords:
Box-Behnken design, Colorectal cancer, Dextran sulphate, Nanobubbles, IrinotecanAbstract
Irinotecan (IRO), a potential drug approved by the USFDA used in colorectal cancer, hinders its therapeutic applications due to low solubility and very poor bioavailability. The current research aims to use Dextran sulphate (DEX) nanobubbles (NBs) as a delivery system for IRO to improve the bioavailability and enhance its beneficial effect. Using emulsification technique we formulated IRO-loaded dextran sulphate NBs and optimized utilizing a Box Behnken design with input of process and formulation parameters. The characterization of NBs checked for particle size, drug loading, entrapment efficiency, Fourier transform infrared spectroscopy (FTIR), differential scanning calorimeter (DSC), X-ray diffraction studies, and also stability studies, in vitro and in-vivo studies on rats. The optimized NBs presented 89.8 ± 9.5 nm of particle size, -18.6 ± 1.2 mV of zeta potential, and 0.284 ± 0.108 of polydispersity index. NBs showed 72.86 ± 1.54% of entrapment efficiency and 33.57 ± 2.10% of drug loading, while in vitro study showed that ultrasound enhanced the release of drugs by 99%, compared to plain drug, which was only 35%. Characterization studies confirmed the absence of drug-polymer interaction. In conclusion, the findings of this study suggested that this type of formulation might be an alternative for cancer treatment.
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The data supporting the findings of this study are available from the corresponding author upon reasonable request.
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