• The Downstream Column Podcast

  • 著者： Brandy Sargent
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The Downstream Column Podcast

著者： Brandy Sargent
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  • The Downstream Column (DsC) is an online publication targeting members of the biologics industry. Our intent is to provide a community to share expertise and best practices as well as discuss topics of interest. The Downstream Column covers areas important to the research, discovery, development, and manufacture of biologic therapeutics. Key industry coverage areas include: purification, formulation, fill/finish and QA/QC for cell and gene therapies, vaccines, biologics, and emerging therapeutic modalities.
    Copyright 2021. All rights reserved.
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あらすじ・解説

The Downstream Column (DsC) is an online publication targeting members of the biologics industry. Our intent is to provide a community to share expertise and best practices as well as discuss topics of interest. The Downstream Column covers areas important to the research, discovery, development, and manufacture of biologic therapeutics. Key industry coverage areas include: purification, formulation, fill/finish and QA/QC for cell and gene therapies, vaccines, biologics, and emerging therapeutic modalities.
Copyright 2021. All rights reserved.
博物学 政治・政府 生物科学
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  • Advancements in Buffer Management and Single Use Inline Buffer Formulation

    Advancements in Buffer Management and Single Use Inline Buffer Formulation
    2024/02/23
    In this podcast, we spoke with Nainesh Shah, Senior Application Engineer at Asahi Kasei Bioprocess about buffer management including the benefits of inline buffer formulation, and single use inline buffer formulation systems.   Buffer Management  We started the podcast by talking about how critical buffer management is to bioprocessing. Mr. Shah discussed how buffers are required in large quantities during the biomanufacturing process and that traditionally buffers were made in large tanks, stored, and used as needed. However, now real estate in the bioprocessing industry is at a premium and companies are looking to utilize new technologies that can reduce facility footprint. For buffer management, it makes sense to create buffer on demand to reduce the footprint dedicated to buffer production in the past.   Inline buffer formulation is a hot topic with companies who require a large quantity of buffer because it provides a way to create buffer on demand in a much smaller footprint. The interesting thing is that it is now also a hot topic among small R&D scale buffer users as well. Inline buffer formulation systems are ideal for users who need 200 to 500 liters of buffer at a time. The system takes the concentrate and adds clean water to provide just the right amount of buffer on demand. Another benefit of inline buffer formulation is that you can achieve a quick process changeover and move on to the next buffer formulation without spending valuable time cleaning the tank, taking samples, and readjusting the critical parameters.   Recently, any new manufacturer, whether it's a large scale or small scale tends to move into this field of buffer management and operates one or two Inline Buffer Formulation (IBF) systems like the MOTIV™. They then use these systems to make all sorts of buffers needed for their various processes.  The MOTIV Family of Inline Buffer Formulation Systems Next, I asked Nainesh if he could talk a bit more about the MOTIV family of inline buffer formulation and fluid management systems that Asahi Kasei Bioprocess America (AKBA) offers. He explained how the award-winning MOTIV family has evolved into a series of inline buffer formulation systems designed to help companies move past downstream bottlenecks by driving buffer productivity. The product family includes 3-pump, 5-pump, and custom IBF configurations that can fit most any space, cost, or performance requirements. The MOTIV is a leader in buffer production with a range of scale from 4,500 liters per hour to 10 liters per minute to fit an entire range of volume requirements.  He went on to say that they have added a new feature where MOTIV can fill up bags with buffer and monitor the quantity in the bag to make buffer on demand even easier.   MOTIV SU Then we talked about the new MOTIV SU, a single use inline buffer formulation system, built to produce complex buffers on-demand effectively and efficiently, all from one pump head, and without the need for CIP/SIP procedures between batches. The innovative design modulates flow through control valves while simultaneously integrating buffer solutions and mixing. As with all the MOTIV systems, OCELOT System Control ensures precise blends every time, controlled by pH and conductivity feedback or flow.  The MOTIV SU is perfect for a biomanufacturer who does not want to spend time with cleaning and validation. It is great for one time use as it does not require time spent in cleaning, validation, and making sure that it is free of all the contaminants and all the buffers which may be harmful for the next process. Another benefit would be if a biomanufacturer used a buffer which had a chemical or ingredient which would be problematic for other processes, and they wanted to eliminate any risk of contamination.   Since the MOTIV SU has replaceable parts, which come as a pre-built unit, it is easy to replace the components and then the system is ready to run again.
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    16 分
  • New online Gene Therapy Academy offers great resources to support scaling up from lab to production scale

    New online Gene Therapy Academy offers great resources to support scaling up from lab to production scale
    2022/10/05
    In this podcast, we spoke with Emanuel Krobath, Biopurification Specialist and Chiara Pacini, Bioprocess Specialist both with Pall Corporation about gene therapy process development including challenges and resources that are available for support.   I began the discussion by asking Emanuel and Chiara to tell listeners a little bit more about their jobs and how they support gene therapy developers on the bench. Emanuel started by saying that as a bioprocess product specialist, he performs customer bench case studies at the customer site, specifically for the downstream process including vaccines, recombinant proteins, monoclonal antibodies and gene therapy products. He shared that the customers he works with are usually in preclinical or Phase I studies and he supports them from clarification to the final sterilizing grade filtration. This scale up, optimization, and technical support is offered free of charge to help customers succeed in their process development. He said that he also finds new technologies and ideas for the Pall R&D team during these visits. Chiara shared that she supports customers from bench scale studies through the manufacturing process on downstream starting from  clarification to sterile filtration. She spends most of her time traveling to her customers’ laboratories or manufacturing sites to provide general support, conduct optimization studies and technical support training to find the best practice or membrane selection for their process. I then asked if they could share what are the most common questions that they get from their customers. Emanuel said that what size filter do they need for a specific product and what is the best material to use is one of the most common. Chiara said that for her it is how to intensify a process or make it more robust for clarification, TFF, chromatography, and membrane filtration. We also talked about a series of videos on Pall’s website and how these were created to help translational academics who work in gene therapy. Emanuel explained that they wanted to support academia specifically in their scale up and small-scale process development, because often in academia, the user will take the first filter that is available at their site. It is important that they understand and have the support to select the correct filter for their product, so that the process is optimized at manufacturing scale. Chiara agreed that the videos were designed to show we can support the development process not just for manufacturing scale, but also for initial bench scale studies. This and the initial optimization study that Pall performs with the customer ensures scalability to large scale processes and identifies the critical process parameters needed to reach high yield and product productivity. Next, we discussed what they like most about the work that they do. Chiara described how being a bioprocess specialist gives her the opportunity to meet the people in both large and small companies who are working on these therapeutics. She enjoys supporting the development of different molecules and gene therapies and is always updated on the latest techniques used for gene and cell therapy. Emanuel said that he enjoys traveling, which is important because visiting customers in person is a big part of his job. He added that it never gets boring since he is supporting customers as they deal with very diverse processes and challenging problems. His favorite part of the job is that basically they are doing scientific work at the frontline, and he saw this to an even larger extent during the COVID pandemic as they were involved in nearly every vaccine process development. I followed up by asking which projects that they were most proud of. Emanuel said that with the exponential growth of plasmid DNA demand, as it is either used as a template for mRNA vaccines or the molecular function for DNA vaccines, the upstream and downstream processes have not been optimized. Now,
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    14 分
  • A Guide for Navigating the Single Use Technology Supply Chain

    A Guide for Navigating the Single Use Technology Supply Chain
    2022/09/20
    In this podcast we spoke with Derrick Alig, North American Western Regional Sales Manager for PSG Dover Biotech, Chris Couper, President and Founder of Liquidyne Process Technologies, and Phil Sanders Biotech Chief Innovation Officer at Agilitech about current supply chain challenges, possible solutions, what the future holds, and ways to navigate supply chain shortages to ensure manufacturers meet their timelines. Supply Chain Shortages I began the discussion by asking our panel members if they could discuss challenges that their customers are currently having with sourcing single use consumables and technologies. Derek began by discussing the lack of raw materials to make these products, whether it is polymer-based components where lead times have been extended due to lack of raw materials, or other areas such as chips. As a result, customers are having to purchase larger quantities of product in advance, which ultimately leads to even longer lead times. Chris added that from a distribution perspective and an integrator perspective, many of their primary suppliers have had issues. They have also seen that many manufacturers have been able to ramp up their production with plants that were put in place in 2019-2020. However, it takes one to three years depending upon the complexity and the scope work to create additional manufacturing facilities and production lines. In addition, many manufacturers are using alternate materials. While they may have qualified one product in the past, now they are qualifying additional supply chains, so they have a primary supply chain and also secondary and tertiary chains. Phil discussed bringing an agnostic approach to managing supply chain shortages to alleviate some of the issues of having a single source. He also pointed out that sometimes the focus is on single use supply chain issues, but there are companies using reusable equipment that are having some of the same supply chain issues, especially when it comes to these things like chips and control systems. Supply Chain Solutions Next, I asked the panel how their individual companies are approaching these challenges, specifically how they are working with customers to provide solutions for these challenges. Derek explained that at PSG Dover they are committed to providing quality products to customers in the biotech market. They focus on delivery times for customers by adding more shifts to keep up with demand and in late 2021, they added a second validated cleanroom to provide additional production capacities. They have also acquired companies to provide additional capacity. Chris added that the situation could have been much worse if manufacturers had not stepped up and added capacity like PSG Dover and that they have seen improvements in lead times. He added that for Liquidyne they have a minimum of three supply chains for virtually every component that they offer. They let their customers know that they need to qualify the three components so they can be used interchangeably to meet timelines. Phil added that maintaining flexibility is critical. For example, maybe the entire amount of inventory that is needed isn’t available now, but there is enough to get started while orders are placed for the rest of the material. Instead of trying to provide a customer with inventory for an entire year, provide three months' worth, then another three, and so on. Supply Chain in the Future I followed up by asking what they thought the future looks like for the supply chain over the next three to five years. Does this resolve itself or does it shift to another potential supply chain shortage? Derek said that he thinks that customers will continue to require multiple supply chain solutions and suppliers will also need to continue to add multiple sources for their raw materials and electrical components. Chris said that he thinks companies that are successful will take the time to study what has occurred, how they reacted,
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    34 分
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