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Dissolution test for ivermectin in oral veterinary paste.

M Sznitowska1, J Pietkiewicz, M Stokrocka

  • 1Department of Pharmaceutical Technology, Medical University of Gdansk, Poland. msznito@amg.gda.pl

Die Pharmazie
|November 17, 2004
PubMed
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A new dissolution test for veterinary ivermectin pastes was developed using the Ph. Eur. paddle apparatus. This method ensures sink conditions and reveals ivermectin

Area of Science:

  • Veterinary Pharmacy
  • Analytical Chemistry
  • Drug Formulation

Background:

  • Ivermectin is a crucial antiparasitic agent in veterinary medicine.
  • Accurate dissolution testing is vital for ensuring the efficacy of oral veterinary drug formulations.
  • Standardized methods for veterinary paste dissolution are lacking.

Purpose of the Study:

  • To develop and validate a dissolution test for oral veterinary ivermectin pastes.
  • To establish appropriate conditions for dissolution testing of ivermectin pastes.
  • To assess the stability of ivermectin under test conditions.

Main Methods:

  • Development of a dissolution test utilizing the European Pharmacopoeia (Ph. Eur.) paddle apparatus.
  • Use of 0.5% sodium lauryl sulphate as the dissolution medium to achieve sink conditions.

Related Experiment Videos

  • High-Performance Liquid Chromatography (HPLC) for quantifying ivermectin.
  • Comparison of two different veterinary paste products.

    • Main Results:

    • A robust dissolution test method for ivermectin veterinary pastes was successfully developed.
    • Sink conditions were effectively achieved using 0.5% sodium lauryl sulphate.
    • Rapid degradation of ivermectin was observed in 0.1 M HCl, indicating potential stability issues in acidic environments.
    • A paddle rotation speed of 75 rpm was determined to be suitable for differentiating product performance.

    Conclusions:

    • The developed dissolution test provides a reliable method for evaluating oral veterinary ivermectin pastes.
    • The study highlights the importance of controlled dissolution conditions and highlights ivermectin's susceptibility to acidic degradation.
    • The method is suitable for quality control and comparative product analysis in veterinary pharmaceutical development.