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...

Matrix-assisted cocrystallization (MAC) simultaneous production and formulation of pharmaceutical cocrystals by hot-melt extrusion

23 Jul 2024 | Peer-reviewed journal | Contributor(s): Boksa, Kevin, Otte, Andrew, Pinal, Rodolfo

A novel method for the simultaneous production and formulation of pharmaceutical cocrystals, matrix-assisted cocrystallization (MAC), is presented. Hot-melt extrusion (HME) is used to create cocrystals by coprocessing the drug and coformer in the presence of a matrix material. Carbamazepine...

Axial Chirality in the Sotorasib Drug Substance, Part 2: Leveraging a High-Temperature Thermal Racemization to Recycle the Classical Resolution Waste Stream

25 Jun 2024 | Peer-reviewed journal | Contributor(s): Beaver, Matthew G., Brown, Derek B., Campbell, Kiersten, Fang, Yuan-Qing, Ford, David D., Mardirossian, Narbe, Nagy, Kevin D., Rötheli, Andreas R., Sheeran, Jillian W., Telmesani, Reem, Parsons, Andrew T.

The development and kilogram-scale demonstration of a high-temperature continuous-flow racemization process to recycle the off-enantiomer of an atropisomeric sotorasib intermediate is described. Part 1 of this two-part series details the design and execution of a classical resolution to generate...

Development and Scale-Up of a Continuous Manufacturing Process for a Hydrazine Condensation Reaction

25 Jun 2024 | Peer-reviewed journal | Contributor(s): Zhu, Ruiheng, Reddy, Ramesh, Ding, Man, Xu, Ming, Deng, Chaoyi, Tadayon, Sam, Li, Hui, Depew, Kristopher, Lane, Benjamin

The development of a continuous manufacturing process for a hydrazine condensation reaction at high temperature is reported. This continuous process represents a safer approach to manufacture 3-phenyl-1H-pyrazol-5-amine at scale and exhibits better impurity control compared to a traditional batch...

Development of a Continuous Flow Grignard Reaction to Manufacture a Key Intermediate of Ipatasertib

25 Jun 2024 | Peer-reviewed journal | Contributor(s): Kaldre, Dainis, Stocker, Severin, Linder, David, Reymond, Helena, Schuster, Andreas, Lamerz, Jens, Hildbrand, Stefan, Püntener, Kurt, Berry, Malcolm, Sedelmeier, Jörg

This article outlines the development of a continuous flow process for the manufacture of a key intermediate of the active pharmaceutical ingredient ipatasertib for the treatment of metastatic castration-resistant prostate cancer and triple-negative metastatic breast cancer. The reaction sequence...

A Virtual Plant for Integrated Continuous Manufacturing of a Carfilzomib Drug Substance Intermediate, Part 3: Manganese-Catalyzed Asymmetric Epoxidation, Crystallization, and Filtration

25 Jun 2024 | Peer-reviewed journal | Contributor(s): Maloney, Andrew J., Içten, Elçin, Capellades, Gerard, Beaver, Matthew G., Zhu, Xiaoxiang, Graham, Lauren R., Brown, Derek B., Griffin, Daniel J., Sangodkar, Rahul, Allian, Ayman, Huggins, Seth, Hart, Roger, Rolandi, Pablo, Walker, Shawn D., Braatz, Richard D.

This article describes the process characterization and development of models to inform a process control strategy to prepare (R,R)-epoxy ketone 2, an intermediate in the manufacture of carfilzomib. Model calibration for relevant unit operations and the development of a dynamic integrated...

Development and Scale-Up of a Continuous, High-Pressure, Asymmetric Hydrogenation Reaction, Workup, and Isolation

25 Jun 2024 | Peer-reviewed journal | Contributor(s): Johnson, Martin D., May, Scott A., Calvin, Joel R., Remacle, Jacob, Stout, James R., Diseroad, William D., Zaborenko, Nikolay, Haeberle, Brian D., Sun, Wei-Ming, Miller, Michael T., Brennan, John

A fully continuous process including an asymmetric hydrogenation reaction operating at 70 bar hydrogen, aqueous extraction, and crystallization was designed, developed, and demonstrated at pilot scale. This paper highlights safety, quality, and throughput advantages of the continuous reaction and...

Polymorphs, Particle Size, and a Pandemic: Development of a Scalable Crystallization Process for Molnupiravir, an Antiviral for the Treatment of COVID-19

25 Jun 2024 | Peer-reviewed journal | Contributor(s): Bade, Rachel, Bothe, Jameson R., Sirota, Eric, Brunskill, Andrew P. J., Newman, Justin A., Zhang, Yongqian, Tan, Melissa, Zheng, Michelle, Brito, Gilmar, Poirier, Marc, Fier, Patrick S., Xu, Yingju, Ward, Michael D., Stone, Kevin, Lee, Ivan H., Gmitter, Andrew J., Bernardoni, Frank, Zompa, Michael A., Luo, Hanlin, Patel, Sanjaykumar, Masiuk, Tina, Mora, Jeff, Ni, Tong, Okoh, Grace A., Tarabokija, James, Liu, Jiaying, Lowinger, Michael B., Mahmood, Tariq

Molnupiravir is a small-molecule active pharmaceutical ingredient (API) prodrug of a nucleoside analog that was demonstrated to be efficacious for the treatment of patients with COVID-19. Early in the pandemic, Merck & Co. Inc. partnered with Ridgeback Biotherapeutics to accelerate the...

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...

Development of a Continuous Schotten–Baumann Route to an Acyl Sulfonamide

24 Apr 2024 | Peer-reviewed journal | Contributor(s): White, Timothy D., Berglund, K. Derek, Groh, Jennifer McClary, Johnson, Martin D., Yates, Matthew H.

The development and scale-up of a synthetic route to tasisulam sodium (5-bromo-thiophene-2-sulfonic acid 2,4-dichlorobenzoylamide sodium salt, hereafter referred to as tasisulam) utilizing continuous Schotten–Baumann reaction conditions is disclosed. A new synthetic route for the cytotoxic API...

Development of a Multi-Step Synthesis and Workup Sequence for an Integrated, Continuous Manufacturing Process of a Pharmaceutical

24 Apr 2024 | Peer-reviewed journal | Contributor(s): Heider, Patrick L., Born, Stephen C., Basak, Soubir, Benyahia, Brahim, Lakerveld, Richard, Zhang, Haitao, Hogan, Rachael, - Buchbinder, Louis, Wolfe, Aaron, Mascia, Salvatore, Evans, James M. B., Jamison, Timothy F., Jensen, Klavs F.

The development and operation of the synthesis and workup steps of a fully integrated, continuous manufacturing plant for synthesizing aliskiren, a small molecule pharmaceutical, are presented. The plant started with advanced intermediates, two synthetic steps away from the final active...

Innovation and Continuous Improvement in Pharmaceutical Manufacturing

28 Mar 2024 | Document | Contributor(s): Ajaz Hussain (Chairperson) Raafat Fahmy (CVM), William Bargo (CVM), Robert Coleman, Robert (ORA), Elise Murphy (ORA), Frank Holcombe Jr (CDER), Chris Watts (CDER), See Lam (CDER), Jon Clark (CDER), Christopher Joneckis (CBER), John Dietrick (CDER), Diana Kolaitis (ORA), Vilayat Sayeed (CDER), Mai Huynh (CVM), Norman Schmuff (CDER), Andrew Chang (CBER)

The PAT Team and Manufacturing Science Working Group Report: A Summary of Learning, Contributions and Proposed Next Steps for Moving towards the "Desired State" of Pharmaceutical Manufacturing in the 21st Century

A Perspective on Quality by Design: A Preclinical Opportunity

28 Mar 2024 | Document | Contributor(s): Ajaz S. Hussain

A Shared Vision for Pharmaceutical Development and Manufacturing in the 21st Century: Contributions of the PAT Initiative

28 Mar 2024 | Document | Contributor(s): Ajaz S. Hussain

The Subcommittee on Process Analytical Technologies (PAT): Closing Remarks

28 Mar 2024 | Document | Contributor(s): Ajaz S. Hussain

The Process Analytical Technology Initiative: PAT and the Pharmacopeias

28 Mar 2024 | Document | Contributor(s): Ajaz S. Hussain

The PAT Initiative A part of the Pharmaceutical Quality for the 21st Century Initiative  PAT and the USP Opportunities for the USP to support the PAT Framework

Utilizing PAT to Monitor and Control Bulk Biotech Processes

27 Mar 2024 | Document | Contributor(s): Rick E. Cooley

1.What is and isn’t PAT? 2.Implementing PAT in Manufacturing: What does it take? 3.Characteristics of bulk, biotech API processes 4.Why PAT? 5.Review of PAT technologies utilized 6.PAT application examples

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...

Continuous Manufacturing for Pharmaceutical Solid Dosage Forms (On-Demand)

31 Jan 2024 | Seminars | Contributor(s): Atul Dubey, Fernando Muzzio, Gerardo Callegari, Lucy L. Botros, Ravendra Singh, James Scicolone, Andres Roman, Sonia Modarres Razavi

Course Description: This self-paced curriculum contains fourteen self-paced modules and three recordings of live virtual education on Pharmaceutical Continuous Manufacturing (PCM). Learners will have access to the following: A recording of the introductory session covering topics such as...

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