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

    23 Jul 2024 | 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...

  2. 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 | 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...

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

    25 Jun 2024 | 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...

  4. 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 | 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...

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

    25 Jun 2024 | 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...

  6. 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 | 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...

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

    24 Apr 2024 | 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...

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

    24 Apr 2024 | 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...

  9. Videometric mass flow control: A new method for real-time measurement and feedback control of powder micro-feeding based on image analysis

    09 Jun 2023 | Contributor(s): Madarasz, L, Kote, AGyurkes, M, Farkas, A, Hambalko, B, Pataki, H, Fulop, G, Marosi, G, Lengyel, L, Casian, T, Csorba, K, Nagy, ZK

    The present paper reports the first monitoring and control of ultra-low dose powder feeding using a camera image-based mass flow measurement system. Caffeine was fed via a single-screw microfeeder as a model active pharmaceutical ingredient (API). The mass, mass flow and sizes of the particles...

  10. Using a material property library to find surrogate materials for pharmaceutical process development

    09 Jun 2023 | Contributor(s): Escotet-Espinoza, MS, Moghtadernejad, SScicolone, J, Wang, YF, Pereira, G, Schafer, E, Vigh, T, Klingeleers, D, Ierapetritou, M, Muzzio, FJ

    Material properties are known to have a significant impact on pharmaceutical manufacturing performance, particularly for solid product processes. Evaluating the performance of a specific material, for example an active pharmaceutical ingredient or excipient, is critical during development stages...

  11. Using residence time distribution in pharmaceutical solid dose manufacturing–A critical review

    09 Jun 2023 | Contributor(s): Bhalode, Pooja, Tian, Huayu Gupta, Shashwat Razavi, Sonia M Roman-Ospino, Andres Talebian, Shahrzad Singh, Ravendra Scicolone, James V Muzzio, Fernando J, Ierapetritou, Marianthi

    While continuous manufacturing (CM) of pharmaceutical solid-based drug products has been shown to be advantageous for improving the product quality and process efficiency in alignment with FDA’s support of the quality-by-design paradigm (Lee, 2015; Ierapetritou et al., 2016; Plumb, 2005; Schaber,...

  12. Using residence time distribution in pharmaceutical solid dose manufacturing–A critical review

    09 Jun 2023 | Contributor(s): Bhalode, Pooja, Tian, Huayu Gupta, Shashwat Razavi, Sonia M Roman-Ospino, Andres Talebian, Shahrzad Singh, Ravendra Scicolone, James V Muzzio, Fernando J, Ierapetritou, Marianthi

    While continuous manufacturing (CM) of pharmaceutical solid-based drug products has been shown to be advantageous for improving the product quality and process efficiency in alignment with FDA’s support of the quality-by-design paradigm (Lee, 2015; Ierapetritou et al., 2016; Plumb, 2005; Schaber,...

  13. The scope of PAT in real-time advanced control of tablet quality

    09 Jun 2023 | Contributor(s): Singh, Ravendra, Ierapetritou, Marianthi, Ramachandran, Rohit

    Continuous pharmaceutical manufacturing together with process analytical technology (PAT) provides a suitable platform for automatic feed-forward/feed-back (FF/FB) control of the end product quality as desired by quality by design (QbD)-based efficient manufacturing. The precise control of the...

  14. Surrogate-based Optimization for Pharmaceutical Manufacturing Processes

    09 Jun 2023 | Contributor(s): Wang, Zilong, Escotet-Espinoza, M Sebastian Singh, Ravendra, Ierapetritou, Marianthi

    The development of pharmaceutical manufacturing processes has been facilitated by recent advances in the process simulation area. However, since the simulations are usually complex and the analytical expressions of the model can be unknown, it is difficult to directly apply traditional...

  15. Simplified end-to-end continuous manufacturing by feeding API suspensions in twin-screw wet granulation

    09 Jun 2023 | Contributor(s): Schmidt, A, de, Waard, HMoll, KP, Kleinebudde, P, Krumme, M

    This study focussed on investigating the coupling of continuous manufacturing of drug substance and continuous manufacture of drug product. An important step in such an integrated end-to-end continuous manufacturing was envisioned by dosing the API as suspension into a twin-screw wet granulation...

  16. Selective preparation of elusive and alternative single component polymorphic solid forms through multi-component crystallisation routes

    09 Jun 2023 | Contributor(s): Thomas, LH, Wales, C, Wilson, CC

    A transferable, simple, method for producing previously elusive and novel polymorphic forms of important active pharmaceutical ingredients (APIs; paracetamol (acetaminophen), piroxicam and piracetam) is demonstrated. Nitrogen heterocyclic co-molecules are employed to influence the self-assembly...

  17. Simulation-Based Design of an Efficient Control System for the Continuous Purification and Processing of Active Pharmaceutical Ingredients

    09 Jun 2023 | Contributor(s): Sen, M, Singh, R, Ramachandran, R

    In this study, an efficient system-wide controlsystem has been designed for the integrated continuous purification and processing of the active pharmaceutical ingredient (API). The control strategy is based on the regulatory PID controller which is most widely used in the manufacturing industry...

  18. Simulation-Based Design of an Efficient Control System for the Continuous Purification and Processing of Active Pharmaceutical Ingredients

    09 Jun 2023 | Contributor(s): Sen, M, Singh, R, Ramachandran, R

    In this study, an efficient system-wide controlsystem has been designed for the integrated continuous purification and processing of the active pharmaceutical ingredient (API). The control strategy is based on the regulatory PID controller which is most widely used in the manufacturing industry...

  19. Selective crystallization of the metastable α-form of L-glutamic acid using concentration feedback control

    09 Jun 2023 | Contributor(s): Kee, Nicholas C.S., Tan, Reginald B.H. Braatz, Richard D., Braatz, Richard D.

    A systematic methodology is presented for the selective crystallization of the metastable form of a monotropic dimorph, L-glutamic acid, for batch cooling crystallization. Attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy coupled with chemometrics was used to...

  20. Residence Time Distribution (RTD)-Based Control System for Continuous Pharmaceutical Manufacturing Process

    09 Jun 2023 | Contributor(s): Bhaskar, Aparajith, Singh, Ravendra

  21. Recent Developments in the Crystallization Process: Toward the Pharmaceutical Industry

    09 Jun 2023 | Contributor(s): Gao, Zhenguo, Gong, Junbo, Rohani, Sohrab, Wang, Jingkang

    Crystallization is one of the oldest separation and purification unit operations, and has recently contributed to significant improvements in producing higher-value products with specific properties and in building efficient manufacturing processes. In this paper, we review recent developments in...

  22. Recent advances in integrated process analytical techniques, modeling, and control strategies to enable continuous biomanufacturing of monoclonal antibodies

    09 Jun 2023 | Contributor(s): Chopda, Viki, Gyorgypal, Aron Yang, Ou Singh, Ravendra Ramachandran, Rohit Zhang, Haoran Tsilomelekis, George Chundawat, Shishir PS, Ierapetritou, Marianthi G

    Continuous bioprocessing is significantly changing the biological drugs (or biologics) manufacturing landscape by potentially improving product quality, process stability, and overall profitability, as was similarly seen during the adoption of advanced manufacturing processes for small molecule...

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

    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)...

  24. Residence time distribution modelling and in line monitoring of drug concentration in a tablet press feed frame containing dead zones

    09 Jun 2023 | Contributor(s): Tanimura, Shinji, Singh, Ravendra Román-Ospino, Andrés D, Ierapetritou, Marianthi

    The presence of a ‘significant dead zone’ in any continuous manufacturing equipment may affect the product quality and need to be investigated systematically. Dead zone will affect the residence time distribution (RTD) of continuous manufacturing and thus the mixing and product quality. Tablet...

  25. Real-time feasible model-based crystal size and shape control of crystallization processes

    09 Jun 2023 | Contributor(s): Szilagyi, Botond, Nagy, Zoltan K.

    The simultaneous control of crystal size and shape is particularly important in fine chemical and pharmaceutical crystallization. These two quantities influence the dissolution rate and bioavailability of final drug products, and also contribute to the manufacturability and efficiency of...