Abstract
Dasatinib is one of the second-generation tyrosine kinase inhibitors (TKI) that is taken orally and has antiproliferative activity against chronic myeloid leukemia (CML). Dasatinib/hesperidin loaded-SLNs were synthesized in-house using a high-shear homogenizer and optimized by central composite design (CCD). Oral bioavailability and in-vivo anti-leukemic potential of developed dasatinib/hesperidin-loaded-solid lipid nanoparticles (SLNs) were determined using intravenous injection of leukemia cells in mice model. Dasatinib was administered as pure drug (suspension) and SLN formulation in leukemic mice modal. The pharmacokinetic profile was studied and compared with drug suspension using HPLC. Results denoted mean maximum plasma concentrations Cmax as 184.52 and 390.43 ng/mL, mean Tmax as 2 and 4 hours, mean half-life as 4.63 and 8.06 hours., for pure drug (suspension) and SLN formulation, respectively. The mean area under the curve (AUClast) was 1080.94 and 3669.49 hr*ng/mL for the same. SLN also showed statistically significant survival. A comparison of SLN and free drugs revealed that SLN was more effective at cytotoxicity. Therefore, the developed dual-targeted SLN formulation of dasatinib demonstrated higher sensitivity of cells to the drug entrapped in SLN than the drug suspension.
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