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Piperine-loaded nanoparticles with enhanced dissolution and oral bioavailability for epilepsy control
Tianjing Ren1, Mengyun Hu2, Yan Cheng2
1School of Pharmacy, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, People's Republic of China.
Summary
Piperine nanoparticles were developed to improve oral absorption and anti-epileptic effects. This formulation enhanced piperine
Area of Science:
- Pharmacology and Pharmaceutical Sciences
- Nanotechnology in Drug Delivery
- Neuroscience and Epilepsy Research
Background:
- Piperine, a black pepper alkaloid, shows promise for central nervous system disorders, particularly epilepsy control.
- The therapeutic use of piperine is hindered by its poor aqueous solubility and low oral bioavailability.
- Developing effective drug delivery systems is crucial for enhancing piperine's therapeutic potential.
Purpose of the Study:
- To formulate piperine into nanoparticles to improve its solubility and oral bioavailability.
- To evaluate the anti-epileptic efficacy of the developed piperine nanoparticles.
- To establish a viable strategy for piperine's oral administration in epilepsy treatment.
Main Methods:
- Piperine nanoparticles were prepared using the nanoprecipitation method.
- Characterization included transmission electron microscopy for particle morphology and size analysis.
- In vivo studies involved assessing oral bioavailability, brain drug concentration, and anti-epileptic activity in rodent models and zebrafish.
Main Results:
- Piperine nanoparticles exhibited spherical morphology with an average size of 130.20 nm and high entrapment efficiency (92.2%).
- Nanosized piperine demonstrated a significantly faster dissolution rate and 3 times higher drug release compared to unformulated piperine.
- Oral administration of piperine nanoparticles resulted in a 2.7-fold increase in oral bioavailability and 16-fold higher brain concentrations, alongside effective seizure protection in animal models.
Conclusions:
- The nanoprecipitation method successfully created piperine nanoparticles, overcoming solubility limitations.
- The developed piperine nanoparticles significantly enhanced oral bioavailability and brain drug levels.
- Piperine nanoparticles show considerable promise as an effective anti-epileptic treatment, warranting further clinical investigation.
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