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Related Experiment Videos

Albendazole generics--a comparative in vitro study.

E Galia1, J Horton, J B Dressman

  • 1ERWEKA GmbH, Heusenstamm, Germany.

Pharmaceutical Research
|January 22, 2000
PubMed
Summary
This summary is machine-generated.

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Generic albendazole formulations show significant differences in dissolution, impacting drug efficacy. Testing in simulated gastric fluid with Triton X-100 revealed variations not seen in disintegration tests.

Area of Science:

  • Pharmaceutical Sciences
  • Drug Formulation
  • Bioavailability Studies

Background:

  • Albendazole is a crucial anthelmintic medication.
  • Generic drug quality is vital for therapeutic outcomes.
  • Variability in generic drug performance necessitates rigorous evaluation.

Purpose of the Study:

  • To compare the disintegration and dissolution profiles of generic albendazole formulations from developing countries against the innovator product.
  • To assess the impact of simulated gastric fluid conditions on drug release characteristics.

Main Methods:

  • Dissolution testing using USP Apparatus 2 in simulated gastric fluid (SGFsp) and modified SGFsp with Triton X-100.
  • Disintegration testing performed according to European Pharmacopoeia standards.

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Main Results:

  • Significant variability in albendazole dissolution rates and extents was observed among generic formulations in SGFsp.
  • The innovator product exhibited superior dissolution compared to most generics; one generic formulation showed notably poor release.
  • Modified SGFsp with Triton X-100 reduced observed differences, suggesting its closer simulation of physiological conditions. All products met disintegration standards.

Conclusions:

  • Generic albendazole products demonstrate considerable heterogeneity in dissolution behavior.
  • Dissolution differences were more pronounced in standard SGFsp than in modified SGFsp.
  • Product disintegration times did not correlate with observed dissolution rate variations.