Abstract
Accurate and precise analytical measurements play a significant role in assessments and decisions that are made throughout the drug development process. Developing a robust and reliable sample preparation is essential for drug product formulations to generate consistent results guaranteeing the product quality. However, due to the complex nature of the different pharmaceutical formulations with diverse excipients, developing robust sample preparation methods can be challenging and time consuming. Ensuring sample extraction robustness of pharmaceutical dosage forms becomes increasingly important with the potential impact to patient safety, product efficacy, and business efficiency. In this work we demonstrate and evaluate potential application of Quality by Design (QbD) principles to develop and optimize a robust sample preparation method in combination with the chromatographic analytical technique for a solid pharmaceutical dosage form. Practicability and utility of a QbD approach in optimization of sample preparation of this drug product are demonstrated as the active pharmaceutical ingredient (API) used in the drug product is proven to be highly sensitive for hydrolysis during analysis. Finally, the ultra-high-performance liquid chromatography method with UV detection that was applied during the design of experiments (DoE) was validated as per regulatory requirements. This systematic approach in analytics could provide guidance for the pharmaceutical industry in the development of robust sample preparation methods for different pharmaceutical dosage forms thus significantly reduce risks associated with the method transfers at clinical and commercial manufacturing sites.
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