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Improving In Vitro-In Vivo Correlation (IVIVC) for Lipid-Based Formulations: Overcoming Challenges and Exploring

Arnaud Bourderi-Cambon1,2, Khaled Fadhlaoui2,3, Ghislain Garrait2

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Summary

Developing in vitro-in vivo correlations (IVIVCs) for lipid-based formulations (LBFs) is challenging. This review explores tailored methods and tools to improve prediction of LBF performance for better drug delivery systems.

Keywords:
in silicoin vitro digestionin vitro dissolutionin vitro–in vivo correlationlipid-based formulationsprediction tools

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Area of Science:

  • Pharmaceutical Sciences
  • Drug Delivery Systems
  • Biopharmaceutics

Background:

  • Lipid-based formulations (LBFs) are vital for improving oral bioavailability of poorly water-soluble drugs.
  • Challenges exist in establishing robust in vitro-in vivo correlations (IVIVCs) for LBFs due to complex physiological processes.

Purpose of the Study:

  • To review current methodologies for constructing IVIVCs specifically for LBFs.
  • To highlight limitations of traditional IVIVC approaches and propose tailored strategies.
  • To discuss in vitro and in silico tools for predicting LBF in vivo performance.

Main Methods:

  • Review of existing literature on IVIVC development for LBFs.
  • Examination of in vitro characterization techniques (USP dissolution, lipolysis assays, combined models).
  • Exploration of in silico modeling tools and in vivo data validation strategies.

Main Results:

  • Traditional IVIVC methods are often inadequate for LBFs.
  • A combination of advanced in vitro assays and in silico modeling is necessary for accurate prediction.
  • The review identifies key tools and data requirements for robust LBF IVIVC.

Conclusions:

  • Novel and adaptable IVIVC methodologies are required for lipid-based drug delivery systems.
  • Improved IVIVCs will enhance the development and predictability of LBFs.
  • This work provides a foundation for more effective LBF development and regulatory assessment.