Advancing Closed-System Performance: How CPC’s MicroCNX® Connectors Enable Scalable Cell and Gene Therapy Manufacturing cover art

Advancing Closed-System Performance: How CPC’s MicroCNX® Connectors Enable Scalable Cell and Gene Therapy Manufacturing

Advancing Closed-System Performance: How CPC’s MicroCNX® Connectors Enable Scalable Cell and Gene Therapy Manufacturing

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 In this podcast, we spoke with Troy Ostreng, Senior Product Manager and David Burdge, Director of Cell and Gene Therapy at CPC about the development of the MicroCNX® aseptic micro-connectors and how they’re helping biopharma teams streamline closed-system operations for cell and gene therapies. What unfolded was a detailed and forward-looking conversation that touched on CPC’s 47-year legacy, the technical demands of advanced therapies, and the company’s plans to drive the future of automation and sterility in manufacturing. A Legacy That Positioned CPC for Today’s Advanced Therapy Boom When asked how CPC’s long history in biologics and hospital environments prepared the company for today’s cell and gene therapy landscape, David took us back to CPC’s roots. “CPC was founded in 1978, so that’s 47 years of innovation within connection technologies,” he said. “The first biologic was released in 1982, synthetic insulin, and we were there supporting the industry with open-format connectors on single-use bags.” From the early development of biologics through the shift to single-use and the rise of stainless-steel/single-use hybrid systems, CPC continuously evolved its connection technologies. They launched steam-through connectors as bioprocessing grew more complex, released their first aseptic connector in 2009, and introduced their first connector specifically targeted for the cell and gene therapy market in 2017. David explained how that history matters today: “Biologics has about a 35-year head start on advanced therapies. So the question becomes, what lessons can we transfer from biologics to cell and gene therapy as that industry grows at three to four times the rate biologics did in its first decade?” That perspective, combining biological manufacturing experience with the needs of new therapy modalities, forms the foundation for CPC’s MicroCNX platform. MicroCNX: The First Aseptic Connector Built for Small-Format Tubing As cell and gene therapy developers began scaling up manufacturing, they quickly discovered a problem: the connectors used for biologics were not designed for small-volume, patient-specific therapies. Troy described it plainly: “Several years ago, we started hearing rumblings that current connectors weren’t meeting what cell and gene therapy required.” CPC responded with a deep Voice of Customer (VOC) initiative, interviewing process engineers, operators, manufacturing leaders, and platform developers. Over and over, the same needs emerged. Operators wanted something simple. “Ease of use was the number one requirement,” Troy said. “Operators needed a product that was easy to use so they could make sterile connections in a short amount of time.” Processes demanded robustness. “Customers needed a connection they could trust—no contamination, no failures, no weak spots in the connection process,” he added. Small-volume precise applications required connectors actually designed for them. With autologous therapies, he noted, “We aren’t talking about 1,000 liters; we’re talking about 250 milliliters. And if there’s a mishap, that could mean the difference between life and death for a patient.” All of this laid the groundwork for MicroCNX, which became the first aseptic connector engineered for small-format tubing. The “Pinch-Click-Pull” Process: Sterility Meets Speed One of the standout features of MicroCNX is its elegantly simple pinch-click-pull operation. Troy explained how simplicity came directly from user feedback. “As operators walked us through their pain points, what they needed was clear: a connector they could learn immediately. So MicroCNX has a three-step process—pinch, click, pull. You can literally do it as fast as I say it.” He continued,“Once someone does it one time, they’re basically an expert. That ease of use dramatically reduces operator error.” For an industry where operator variability remains one of the biggest sources of risk and batch loss, eliminating complexity is critical. Cryogenic Challenges Call for Cryo-Rated Solutions As the conversation shifted to cryopreservation, a critical component of cell therapy manufacturing,Troy introduced the MicroCNX® ULT and MicroCNX® Nano variants. “These were really developed because therapies were being frozen to –150°C, even –190°C. You need a connector that can be frozen to those temperatures, thawed, and still be as robust as it was before.” The ULT and Nano were engineered with: Low-profile geometries to fit inside freezing cassettes Specialized materials to withstand thermal stress Chemical compatibility with DMSO and other cryoprotectants Enhanced durability to survive impacts while frozen Troy emphasized how critical it was to get the materials right: “We searched extensively for a material that could handle those harsh chemicals and temperatures. What we landed on was PPSU—polyphenylsulfone. It’s chemically sound, and it’...
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