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Published on: November 21, 2017
[Importance of dissolution profile in stability tests].
Miléna Lengyel1, Judit Dredán, Gal Shafir
1Semmelweis Egyetem, Gyógyszerészeti Intézet, Budapest, Hogyes E u 7 --1092.
Acta Pharmaceutica Hungarica
|October 16, 2007
Summary
Pharmaceutical stability testing ensures drug quality, efficacy, and safety by monitoring active ingredient release. Dissolution testing, a key component, predicts in vivo drug release influenced by physical changes.
Area of Science:
- Pharmaceutical Science
- Drug Development
- Quality Control
Context:
- Pharmaceutical preparations require rigorous stability testing to ensure product integrity.
- Regulatory guidelines mandate specific tests, including dissolution, to assess drug stability.
- Understanding factors affecting drug stability is crucial for patient safety.
Purpose:
- To elucidate the role of stability testing in pharmaceutical quality assurance.
- To highlight the significance of dissolution testing in predicting in vivo drug release.
- To emphasize the impact of physical changes on drug stability and efficacy.
Summary:
- Stability testing evaluates pharmaceutical preparations for changes affecting quality, efficacy, and safety.
- It ensures active ingredient release remains within specified limits throughout the product's shelf life.
- Dissolution testing is a critical in vitro method to monitor drug release, correlating with in vivo performance.
Impact:
- Provides a framework for ensuring the consistent quality and safety of pharmaceutical products.
- Enhances the reliability of drug products by predicting performance and shelf life.
- Supports regulatory compliance and informed decision-making in pharmaceutical development.
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This process starts with a thin layer, saturated with the drug, forming at the interface between the solid and liquid. The solute then diffuses from this layer into the main solution. The Noyes-Whitney equation suggests that the rate of dissolution relies on the diffusion...
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