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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...
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Solid dosage forms such as tablets and capsules undergo rigorous manufacturing processes to ensure stability and effectiveness. Their dissolution and absorption properties are influenced significantly by the choice of excipients (inactive ingredients that serve various roles in the formulation), and the methodology applied during production. The manufacturing parameters, such as compression force and granulation techniques, significantly affect dissolution rates. Elevated compression forces...
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Updated: Oct 5, 2025

Self-Nanoemulsification of Healthy Oils to Enhance the Solubility of Lipophilic Drugs
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QbD Approach towards Robust Design Space for Flutamide/PiperineSelf-Emulsifying Drug Delivery System with Reduced

Mithun Saha1, Pallabi Sikder1, Aditi Saha1

  • 1Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh.

AAPS Pharmscitech
|January 26, 2022
PubMed
Summary

This study developed a novel self-emulsifying drug delivery system (SEDDS) for flutamide and piperine. The optimized formulation significantly reduced flutamide-induced liver injury in mice, demonstrating its therapeutic potential.

Keywords:
I-optimal mixture designdesign space verificationflutamide-induced liver injurypiperinequality by design

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Area of Science:

  • Pharmaceutical Sciences
  • Drug Delivery Systems
  • Hepatoprotective Agents

Background:

  • Flutamide, a drug for prostate cancer, can cause liver damage.
  • Piperine, a natural compound, can inhibit drug metabolism.
  • Developing safer drug delivery systems is crucial for managing drug-induced toxicity.

Purpose of the Study:

  • To create a flutamide/piperine co-loaded self-emulsifying drug delivery system (FPSEDDS).
  • To inhibit flutamide-induced liver injury using piperine as a metabolic inhibitor.
  • To optimize the FPSEDDS formulation using a Quality by Design (QbD) approach.

Main Methods:

  • Quality by Design (QbD) principles were applied for FPSEDDS development.
  • Risk assessment identified critical quality attributes (CQAs) and material attributes (CMAs)/process parameters (CPPs).
  • I-optimal mixture design and numerical optimization were used to determine the best formulation.

Main Results:

  • An optimized FPSEDDS formulation was identified with high payload and Grade A characteristics.
  • The optimized FPSEDDS significantly reduced flutamide-induced hepatotoxicity in a mouse model.
  • Hematoxylin-eosin staining confirmed minimal liver damage in mice treated with the optimized FPSEDDS.

Conclusions:

  • The QbD-developed FPSEDDS formulation effectively mitigates flutamide-induced liver injury.
  • Piperine enhances the hepatoprotective effect within the optimized SEDDS.
  • This novel delivery system shows promise for safer flutamide therapy.