Quality by design approach of a pharmaceutical gel manufacturing process, part 2: Near infrared monitoring of composition and physical parameters

Juan G. Rosas, Marcel Blanco, Josep M. González, Manel Alcalá

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17 Citations (Scopus)

Abstract

We applied the principles of quality by design to the production process of a pharmaceutical gel by using the near infrared spectroscopy (NIRS) technique in combination with multivariate chemometric tools. For this purpose, we constructed a D-optimal experimental design having normal operational condition (NOC) batches as central point. The primary aim here was to develop an expeditious NIRS method for determining the composition of a pharmaceutical gel and assess the temporal changes in major physical factors affecting the quality of the product (specifically, viscosity and pH). Gel components were quantified by using partial least squares (PLS) calibration models of the PLS1 type. The study was completed by using the batch statistical process control method to compare product batches included in the experimental design with NOC batches. Similarities and differences between the two types of batches were identified by using control charts for residuals (Q-statistic) and Hotteling's T2 (D-statistic). The ensuing models, which were subject to errors less than 5%, allowed the gel production process to be effectively monitored. As shown in this work, the NIRS technique is a highly suitable tool for process analytical technology. © 2011 Wiley-Liss, Inc. and the American Pharmacists Association.
Original languageEnglish
Pages (from-to)4442-4451
JournalJournal of Pharmaceutical Sciences
Volume100
Issue number10
DOIs
Publication statusPublished - 1 Jan 2011

Keywords

  • Analytical chemistry
  • Design space
  • Hydrogel
  • Multivariate analysis
  • Near-infrared spectroscopy
  • Normal operation conditions
  • Partial least squares
  • Process analytical technologies
  • Quality by design

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