Journal
INTERNATIONAL JOURNAL OF NANOMEDICINE
Volume 13, Issue -, Pages 2571-2584Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IJN.S151788
Keywords
parenteral nanoemulsion; cefuroxime; drug delivery; pharmacokinetics; blood-brain barrier
Funding
- Research University Grant Scheme (RUGS), Universiti Putra Malaysia [UPM/700-1/2/RUGS/04-02-12-1762RU]
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Background and aim: Drugs that are effective against diseases in the central nervous system and reach the brain via blood must pass through the blood-brain barrier (BBB), a unique interface that protects against potential harmful molecules. This presents a major challenge in neuro-drug delivery. This study attempts to fabricate the cefuroxime-loaded nanoemulsion (CLN) to increase drug penetration into the brain when parenterally administered. Methods: The nanoemulsions were formulated using a high-pressure homogenization technique and were characterized for their physicochemical properties. Results: The characterizations revealed a particle size of 100.32 +/- 0.75 nm, polydispersity index of 0.18 +/- 0.01, zeta potential of -46.9 +/- 1.39 mV, viscosity of 1.24 +/- 0.34 cps, and osmolality of 285.33 +/- 0.58 mOsm/kg, indicating that the nanoemulsion has compatibility for parenteral application. CLN was physicochemically stable within 6 months of storage at 4 degrees C, and the transmission electron microscopy revealed that the CLN droplets were almost spherical in shape. The in vitro release of CLN profile followed a sustained release pattern. The pharmacokinetic profile of CLN showed a significantly higher C-max, area under the curve (AUC)(0-t), prolonged half-life, and lower total plasma clearance, indicating that the systemic concentration of cefuroxime was higher in CLN-treated rats as compared to cefuroxime-free treated rats. A similar profile was obtained for the biodistribution of cefuroxime in the brain, in which CLN showed a significantly higher C-max, AUC(0-t), prolonged half-life, and lower clearance as compared to free cefuroxime solution. Conclusion: Overall, CLN showed excellent physicochemical properties, fulfilled the requirements for parenteral administration, and presented improved in vivo pharmacokinetic profile, which reflected its practical approach to enhance cefuroxime delivery to the brain.
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