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Quality by Design: Multidimensional exploration of the design space in high performance liquid chromatography method
K Monks1, I Molnár, H-J Rieger
1Molnár-Institute for applied chromatography, Berlin, Germany. kate.monks@molnar-institute.com
Journal of Chromatography. A
|January 10, 2012
Summary
This study developed a robust, rapid ultra-high-performance liquid chromatography (UHPLC) method for analyzing eye drop active pharmaceutical ingredients (APIs) and impurities. Quality by Design principles ensured method reliability and successful validation.
Area of Science:
- Analytical Chemistry
- Pharmaceutical Analysis
Background:
- Robust High-Performance Liquid Chromatography (HPLC) separations are crucial for reducing analysis failures and ensuring quality.
- Method transfer and consistent quality assurance depend on reliable chromatographic methods.
Purpose of the Study:
- To systematically develop an optimal, robust, and fast ultra-high-performance liquid chromatography (UHPLC) method.
- To simultaneously assay two active pharmaceutical ingredients (APIs) and their impurities in an eye drop sample.
Main Methods:
- Application of Quality by Design (QbD) principles for systematic method development.
- Utilization of chromatography software to generate design spaces (Method Operable Design Regions).
- Evaluation of method robustness prior to validation using determined design spaces.
Main Results:
- Successful development of a fast and robust UHPLC method for simultaneous API and impurity analysis.
- Identification of optimal method conditions through design space exploration.
- Demonstration of method robustness, ensuring reliability for routine analysis.
Conclusions:
- The QbD approach facilitates the development of reliable and robust analytical methods.
- The developed UHPLC method is suitable for the quality control of eye drop formulations.
- This systematic development strategy enhances analytical method transferability and reduces validation risks.
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