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Pharmaceutical vials with extremely high chemical inertness
Marten Walther1, Volker Rupertus, Christina Seemann
1Schott Glas, Mainz, Germany.
PDA Journal of Pharmaceutical Science and Technology
|July 12, 2002
Summary
Type I glass containers are unsuitable for modern drugs, causing degradation. A silicon dioxide coating on glass prevents chemical interactions, preserving drug performance and shelf-life.
Area of Science:
- Materials Science
- Pharmaceutical Packaging
- Chemical Engineering
Background:
- Traditional type I glass containers present challenges for modern pharmaceutical and diagnostic packaging.
- Certain drug formulations (high-pH, complexing agents, low dosage, pH-sensitive, ion-releasing) are susceptible to degradation in conventional glass packaging.
Purpose of the Study:
- To address the unsuitability of traditional glass containers for sensitive modern drugs.
- To present a novel coating technology for pharmaceutical glass packaging.
Main Methods:
- Application of a silicon dioxide (SiO2) layer to the internal surface of glass containers.
- Evaluation of the coating's effectiveness in preventing chemical interactions between the container and drug formulations.
Main Results:
- The silicon dioxide coating acts as a barrier, preventing detrimental chemical interactions.
- Coating technology mitigates product degradation, maintaining drug performance, potency, and shelf-life.
Conclusions:
- Silicon dioxide coating technology offers a viable solution for enhancing the compatibility of glass packaging with sensitive pharmaceutical products.
- This innovation improves drug stability and extends product shelf-life by preventing container-content chemical interactions.