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1. Variographic analysis: A new methodology for quality assurance of pharmaceutical blending processes

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   09 Jun 2023 | Contributor(s):: Sánchez-Paternina, Adriluz, Sierra-Vega, Nobel O., Cárdenas, Vanessa, Méndez, Rafael, Esbensen, Kim H., Romañach, Rodolfo J.

   Analytical methods for real time monitoring of pharmaceutical blending processes are thoroughly validated but not the sampling methods. Variographic analysis was investigated as a method to determine the sampling and analytical errors when the drug concentration of pharmaceutical powder blends is...

2. Residence Time Distribution as a Traceability Method for Lot Changes in A Pharmaceutical Continuous Manufacturing System

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   09 Jun 2023 | Contributor(s):: Sánchez-Paternina, Adriluz, Martínez-Cartagena, Pedro Li, Jingzhe Scicolone, James Singh, Ravendra Lugo, Yleana C Romañach, Rodolfo J Muzzio, Fernando J, Román-Ospino, Andrés D

   Residence time distribution (RTD) models were developed to track raw material lots and investigate batch transitions in a continuous manufacturing system. Two raw materials with similar physical properties (granular metformin and lactose) were identified via Principal Component Analysis (PCA)...

3. Near infrared spectroscopic calibration models for real time monitoring of powder density

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   09 Jun 2023 | Contributor(s):: Román-Ospino, Andrés, Singh, Ravendra, Ierapetritoua, Marianthi, Ramachandrana, Rohit, Mendez, Rafael, Ortega-Zuñiga, Carlos, Muzzio, Fernando, Romañach, Rodolfo

   Near infrared spectroscopic (NIRS) calibration models for real time prediction of powder density (tap, bulk and consolidated) were developed for a pharmaceutical formulation. Powder density is a critical property in the manufacturing of solid oral dosages, related to critical quality attributes...

4. Inline monitoring and a PAT strategy for pharmaceutical hot-melt extrusion

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   09 Jun 2023 | Contributor(s):: Wahl, PR, Treffer, DMohr, S, Roblegg, E, Koscher, G, Khinast, JG

   Implementation of continuous manufacturing in the pharmaceutical industry requires tight process control. This study focuses on a PAT strategy for hot melt extrusion of vegetable calcium stearate (CaSt) as matrix carrier and paracetamol as active pharmaceutical ingredient (API). The extrusion was...