Journal
INTERNATIONAL JOURNAL OF PHARMACEUTICS
Volume 601, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ijpharm.2021.120581
Keywords
Process Analytical Technology; Near infrared; Continuous manufacturing; Direct compression; Potency monitoring; Calibration; Robustness
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A Near Infrared (NIR) method was developed using a small benchtop feed frame system to quantify Saccharin potency in a powder blend during continuous manufacturing process. The method was developed through a 15-point Design of Experiments (DoE) and validated across different manufacturing sites and potency levels, showing robustness against process changes and instrument variations. The variance information in the calibration set was found to be critical for successful model performance.
A Near Infrared (NIR) method was developed using a small benchtop feed frame system to quantify Saccharin potency in a powder blend during continuous manufacturing process. A 15-point Design of Experiments (DoE) was created based on the NIR spectral response and compositions of the formulation to develop a calibration set. The calibration set was designed to create compositional and raw material lots variation using minimum resources. The calibration experiments utilized around 0.5 kg Saccharin (Active Pharmaceutical Ingredient (API) surrogate) and 1.8 kg of excipients. Partial Least Square (PLS) modeling was used to develop a quantitative NIR method from the calibration data. The NIR method was implemented during 5 test batches in two different manufacturing sites across different potency levels at a continuous manufacturing platform for direction compression. Acceptable prediction performance was achieved from the NIR method at both sites. The NIR method was robust against changes in process scale and NIR instruments. The variance information built into the calibration set was found to be critical to successful model performance. This study shows a benchtop feed frame can be used for material sparing calibration method development without operating at a full-scale process line and applied across multiple sites, instruments at different potency levels.
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