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Related Concept Videos

Bioavailability Enhancement: Drug Permeability Enhancement01:27

Bioavailability Enhancement: Drug Permeability Enhancement

47
Body:After oral administration, poor permeability often limits the rate at which drugs are absorbed through the intestinal epithelium. Enhancing drug permeability is crucial for effective therapy, and several strategies have been developed to overcome this challenge.One effective strategy involves the use of lipid-based formulations. These formulations enhance dissolution and solubility, targeting physiological mechanisms to increase drug absorption. This includes stimulating bile salt...
47

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Development of Perphenazine-Loaded Solid Lipid Nanoparticles: Statistical Optimization and Cytotoxicity Studies.

Parisa Abbasi Farsani1, Reza Mahjub1, Mojdeh Mohammadi2

  • 1Department of Pharmaceutics, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran.

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This study developed perphenazine-containing solid lipid nanoparticles (PPZ-SLNs) for improved oral delivery of schizophrenia medication. The optimized PPZ-SLNs demonstrated sustained release and no significant cytotoxicity, suggesting a promising new oral dosage form.

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Area of Science:

  • Pharmaceutical Sciences
  • Nanotechnology
  • Drug Delivery Systems

Background:

  • Perphenazine (PPZ) is an effective typical antipsychotic for schizophrenia.
  • Oral PPZ has limited bioavailability due to first-pass metabolism.
  • Novel oral dosage forms are needed to enhance PPZ efficacy.

Purpose of the Study:

  • To prepare and optimize perphenazine-containing solid lipid nanoparticles (PPZ-SLNs).
  • To develop a safe and effective novel oral dosage form for PPZ.
  • To improve the oral bioavailability and therapeutic potential of PPZ.

Main Methods:

  • Solvent emulsification-evaporation method using soybean lecithin, GMS, and Tween 80.
  • Box-Behnken design for statistical optimization of SLN formulation.
  • Characterization included particle size, zeta potential, entrapment efficiency, in vitro release, DSC, P-XRD, FTIR, and cytotoxicity studies.

Main Results:

  • Optimized PPZ-SLNs showed a particle size of 104 nm, zeta potential of -28 mV, and 83% entrapment efficiency.
  • Sustained drug release (>90% over 48 hours) was observed.
  • PPZ-SLNs exhibited an amorphous state with no drug-lipid incompatibility and no significant cytotoxicity.

Conclusions:

  • PPZ-SLNs represent a promising oral drug delivery system for schizophrenia therapy.
  • The developed nanoparticles enhance PPZ's sustained release profile.
  • This formulation offers a potentially safer and more effective treatment option for schizophrenia.