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Comparative study on disintegration methods for oral film preparations.

Isabell Speer1, Denise Steiner2, Yasmin Thabet1

  • 1Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University, Universitaetsstr. 1, 40225 Duesseldorf, Germany.

European Journal of Pharmaceutics and Biopharmaceutics : Official Journal of Arbeitsgemeinschaft Fur Pharmazeutische Verfahrenstechnik E.V
|September 12, 2018
PubMed
Summary

Orodispersible films (ODFs) offer patient comfort via rapid oral disintegration. This study evaluated four methods, finding slide frame and SFaB suitable for R&D, while PharmaTest and SFaB suit quality control for ODFs.

Keywords:
Disintegration methodsDisintegration timeFast disintegrating filmsMechanical strengthMicrocrystalline celluloseOrodispersible filmsSolvent castingSuspended particles

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Area of Science:

  • Pharmaceutical Technology
  • Drug Delivery Systems
  • Material Science

Background:

  • Orodispersible films (ODFs) offer enhanced patient compliance due to rapid disintegration.
  • The European Pharmacopeia (2012) mandates disintegration testing for ODFs but lacks a standardized method.
  • Evaluating existing disintegration methods is crucial for ODF formulation development and quality control.

Purpose of the Study:

  • To assess and compare the suitability of four distinct disintegration methods for various ODF formulations.
  • To identify the most appropriate methods for research and development versus quality control applications.
  • To understand the influence of formulation parameters like film thickness and microcrystalline cellulose (MCC) content on disintegration.

Main Methods:

  • Solvent casting technique used to produce 21 ODF formulations with varying gap heights and MCC concentrations, utilizing hypromellose (HPMC).
  • Four disintegration methods were applied: petri dish, slide frame, slide frame and ball (SFaB), and PharmaTest® disintegration tester.
  • Characterization of disintegration behavior based on film thickness and presence of insoluble MCC particles.

Main Results:

  • All tested methods demonstrated a proportional increase in disintegration time with increasing dry film thickness.
  • ODFs containing insoluble MCC particles exhibited reduced disintegration times compared to particle-free counterparts.
  • Method suitability varied: slide frame and SFaB are ideal for R&D, while PharmaTest® and SFaB are suitable for quality control.

Conclusions:

  • The choice of disintegration testing method for ODFs depends significantly on the specific application (R&D vs. QC).
  • The slide frame and SFaB methods offer valuable insights for formulation development.
  • PharmaTest® and SFaB methods meet the requirements for routine quality control testing of ODFs.