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Published on: February 9, 2019
Oral bioavailability of cantharidin-loaded solid lipid nanoparticles
1Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, No, 151 Malianwa North Road, Haidian District, Beijing, 100094, P, R, China. cuzhu@implad.ac.cn.
Chinese Medicine
|January 10, 2013
Summary
Solid lipid nanoparticles (SLNs) enhance cantharidin (CA) delivery, improving solubility and oral bioavailability. This formulation provides a sustained release profile, boosting therapeutic potential.
Area of Science:
- Nanotechnology
- Pharmacology
- Drug Delivery Systems
Background:
- Clinical use of cantharidin (CA) is hindered by poor solubility, toxicity, and short circulation half-life.
- Solid lipid nanoparticles (SLNs) offer a promising approach to overcome these limitations for CA delivery.
Purpose of the Study:
- To develop and characterize cantharidin-loaded solid lipid nanoparticles (CA-SLNs).
- To evaluate the in vitro release and in vivo pharmacokinetic profile of CA-SLNs compared to free CA.
Main Methods:
- CA-SLNs prepared using film dispersion-ultrasonication.
- Physicochemical properties assessed via transmission electron microscopy.
- In vitro release and in vivo pharmacokinetics evaluated using GC and GC-MS in rats.
Main Results:
- CA-SLNs exhibited a mean size of 121 nm with high drug content (13.28%) and encapsulation yield (93.83%).
- CA-SLNs demonstrated sustained release without a burst effect.
- Oral administration of CA-SLNs resulted in a 250.8% relative bioavailability compared to free CA.
Conclusions:
- CA-SLNs effectively improve the solubility and oral bioavailability of cantharidin.
- The developed SLN formulation shows potential for enhanced therapeutic efficacy of CA.
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