Development of a high-fidelity digital twin using the discrete element method for a continuous direct compression process. Part 1. Calibration workflow

24 Oct 2024 | Peer-reviewed journal | Contributor(s): Peter Toson, Marko Matić, Theresa Hörmann-Kincses, Michela Beretta, Jakob Rehrl, Johannes Poms, Thomas O’Connor, Abdollah Koolivand, Geng Tian, Scott M. Krull, Johannes G. Khinast, Dalibor Jajcevic, Johan Remmelgas

In this work, a high-fidelity digital twin was developed to support the design and testing of control strategies for drug product manufacturing via direct compression. The high-fidelity digital twin platform was based on typical pharmaceutical equipment, materials, and direct compression...

Continuous Processing. Continuous Evolution

08 Oct 2024 | Magazine | Contributor(s): Douglas Hausner

Continuous processing for small molecule products has been a hot topic for years, but where does the industry stand with it today? We speak with Doug Hausner, Senior Manager, Continuous Manufacturing, Oral Solid Dose, Pharma Services at Thermo Fisher Scientific, to find out.

Continuous micro feeding and mixing of solid dosage forms under vibrational excitation

08 Oct 2024 | Peer-reviewed journal | Contributor(s): Haifeng Lu, Liang Zhang, Hui Du, Xiaolei Guo, Haifeng Liu

Continuous manufacturing has intrigued many researchers in the pharmaceutical industry in the post-COVID-19 world. We experimentally studied the discharge characteristics of pharmaceutical excipients under vibrational excitation. The successful accurate dosing and filling of powders at fill...

Systematic investigation of the impact of screw elements in continuous wet granulation

10 Sep 2024 | Peer-reviewed journal | Contributor(s): Katharina Kiricenko, Peter Kleinebudde, Robin Meier

Twin-screw wet granulation (TSG) is a continuous manufacturing technique either for granules as final dosage form or as an intermediate before tableting or capsule filling. A comprehensive process understanding is required to implement TSG, considering various parameters influencing granule and...

Delta-mannitol to enable continuous twin-screw granulation of a highly dosed, poorly compactable formulation

23 Jul 2024 | Peer-reviewed journal | Contributor(s): Vanhoorne, V., Almey, R., De Beer, T., Vervaet, C.

In current study, it was investigated if the moisture-mediated polymorphic transition from δ- to β-mannitol during twin screw granulation (TSG) also took place in high drug loaded formulations and if the specific granule morphology associated with the polymorphic transition could enable tableting...

Control oriented modeling of twin-screw granulation in the ConsiGmaTM-25 production plant

09 Jul 2024 | Peer-reviewed journal | Contributor(s): Johannes Khinast, Martin Horn, Jakob Rehrl, Selma Celikovic, Johannes Poms

ConsiGmaTM-25 is a continuous production plant integrating a twin-screw granulation, fluid bed drying, granule conditioning, and a tableting unit. The particle size distribution (PSD), active pharmaceutical ingredient (API) content, and liquid content of wet granules after twin-screw...

Improvement of a pharmaceutical powder mixing process in a tote blender via DEM simulations

04 Jun 2024 | Peer-reviewed journal | Contributor(s): Benedict Benque, Luca Orefice, Thomas Forgber, Matthias Habeler, Beate Schmid, Johan Remmelgas, Johannes Khinast

An industrial-scale pharmaceutical powder blending process was studied via discrete element method (DEM) simulations. A DEM model of two active pharmaceutical ingredient (API) components and a combined excipient component was calibrated by matching the simulated response in a dynamic angle of...

A modified Kushner-Moore approach to characterising small-scale blender performance impact on tablet compaction

03 Jun 2024 | Peer-reviewed journal | Contributor(s): Hikaru G. Jolliffe, Martin Prostredny, Carlota Mendez Torrecillas, Ecaterina Bordos, Collette Tierney, Ebenezer Ojo, Richard Elkes, Gavin Reynolds, Yunfei Li Song, Bernhard Meir, Sara Fathollahi, John Robertson

Continuous Direct Compaction (CDC) has emerged as a promising route towards producing solid dosage forms while reducing material, development time and energy consumption. Understanding the response of powder processing unit operations, especially blenders, is crucial. There is a substantial body...

Influence of refilling on dosing accuracy of loss-in-weight powder feeders in continuous manufacturing

19 Feb 2024 | Peer-reviewed journal | Contributor(s): Jochen Thies, Peter Kleinebudde, Fabiola N. Santamaría Alvarez

Continuous manufacturing is a novel concept to produce high quality drug products. The manufacture of solid dosage forms starts with the feeding of materials, which is consider a critical step because it could have a high influence on the quality of the final product. Therefore, this unit...

MOOC I Blending - Flow and Mixing Regime

29 Nov 2023 | Teaching Materials | Contributor(s): RCPE

MOOC I Feeding - Refill Strategy

29 Nov 2023 | Teaching Materials | Contributor(s): RCPE

MOOC I Blending Basics

29 Nov 2023 | Teaching Materials | Contributor(s): RCPE

MOOC I Continuous Blender Types

29 Nov 2023 | Teaching Materials | Contributor(s): RCPE

MOOC I Feeding - Twin Screw Feeder

29 Nov 2023 | Teaching Materials | Contributor(s): RCPE

MOOC I Feeding - Disturbances

29 Nov 2023 | Teaching Materials | Contributor(s): RCPE

MOOC I Continuous Blend Analysis

29 Nov 2023 | Teaching Materials | Contributor(s): RCPE

Pharmaceutical Continuous Manufacturing: A Guide to Control Strategies for Solid Oral Dose Drugs

23 Aug 2023 | Technical Guides | Contributor(s): Atul Dubey

Advanced manufacturing technologies like pharmaceutical continuous manufacturing (PCM) can provide potential efficiencies for many medicines and their ingredients, thereby facilitating geographic diversity in manufacturing and supply chain resilience. One of the ways the U.S. Pharmacopeia (USP)...

Wet Granulation in a Twin-Screw Extruder: Implications of Screw Design

09 Jun 2023 | Peer-reviewed journal | Contributor(s): Thompson, M. R., Sun, J.

Wet granulation in twin-screw extrusion machinery is an attractive technology for the continuous processing of pharmaceuticals. The performance of this machinery is integrally tied to its screw design yet little fundamental knowledge exists in this emerging field for granulation to intelligently...

WHAT are sampling errors-and WHAT can we do about them? Part 1

09 Jun 2023 | Peer-reviewed journal | Contributor(s): Romañach, Rodolfo J., Joubert Castro, Aidalu, Esbensen, Kim H

The objective of this column is to provide easy-to-understand examples of sampling errors. Prompted by recent participationsand presentations at on-line conferences and meetings, we believe there is a need for a more fulfilling introduction andexemplification of the concept and real-world...

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

09 Jun 2023 | Peer-reviewed journal | 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...

Visualization and understanding of the granulation liquid mixing and distribution during continuous twin screw granulation using NIR chemical imaging

09 Jun 2023 | Peer-reviewed journal | Contributor(s): Vercruysse, Jurgen, Toiviainen, Maunu, Fonteyne, Margot, Helkimo, Niko, Ketolainen, Jarkko, Juuti, Mikko, Delaet, Urbain, Van Assche, Ivo, Remon, Jean Paul, Vervaet, Chris, De Beer, Thomas

Over the last decade, there has been increased interest in the application of twin screw granulation as a continuous wet granulation technique for pharmaceutical drug formulations. However, the mixing of granulation liquid and powder material during the short residence time inside the screw...

Visualization and understanding of the granulation liquid mixing and distribution during continuous twin screw granulation using NIR chemical imaging

09 Jun 2023 | Peer-reviewed journal | Contributor(s): Vercruysse, Jurgen, Toiviainen, Maunu, Fonteyne, Margot, Helkimo, Niko, Ketolainen, Jarkko, Juuti, Mikko, Delaet, Urbain, Van Assche, Ivo, Remon, Jean Paul, Vervaet, Chris, De Beer, Thomas

Over the last decade, there has been increased interest in the application of twin screw granulation as a continuous wet granulation technique for pharmaceutical drug formulations. However, the mixing of granulation liquid and powder material during the short residence time inside the screw...

Using online mass spectrometry to predict the end point during drying of pharmaceutical products

09 Jun 2023 | Peer-reviewed journal | Contributor(s): Dodda, Aditya G., Saranteas, Kostas, Henson, Michael A.

Drying of active pharmaceutical ingredients (APIs) is an energy-intensive process that is often a manufacturing bottleneck due to the relatively long processing times. A key objective is the ability to determine the drying end point, the time at which all solvent has been evaporated from the...

Validation of a continuous granulation process using a twin-screw extruder

09 Jun 2023 | Peer-reviewed journal | Contributor(s): Van Melkebeke, B., Vervaet, C., Remon, J. P.

Using twin-screw granulation as particle size enlargement technique, the effect of modifying the screw configuration (number of mixing zones, configuration of kneading block) on granule quality, tablet properties and mixing efficiency was investigated. The amount of oversized agglomerates and...

Use of a continuous twin screw granulation and drying system during formulation development and process optimization

09 Jun 2023 | Peer-reviewed journal | Contributor(s): Vercruysse, J., Peeters, E., Fonteyne, M., Cappuyns, P., Delaet, U., Van Assche, I., De Beer, T., Remon, J. P., Vervaet, C.

Since small scale is key for successful introduction of continuous techniques in the pharmaceutical industry to allow its use during formulation development and process optimization, it is essential to determine whether the product quality is similar when small quantities of materials are...