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The Next Big Advance in CAR T-cell Treatment Will Be Smarter Cell Therapy Production
  • USA - English


News provided by

Draper

Feb 27, 2018, 10:00 ET

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Draper’s microfluidic transduction device is designed to enable companies to manufacture T-cell therapies with half of the viral vector required by many current approaches.
Draper’s microfluidic transduction device is designed to enable companies to manufacture T-cell therapies with half of the viral vector required by many current approaches.

Draper's MTD device provides the control, precision and ability to scale to a higher throughput system that could potentially handle up to 1B cells,” said Jenna Balestrini of Draper.

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CAMBRIDGE, Mass. (PRWEB) February 27, 2018 -- Immunotherapy has emerged as the hottest trend in cancer care by creating “living drugs” that are able to recognize and kill a patient’s cancer cells without damaging healthy cells. Making those therapies, however, is cumbersome, slow and expensive. For instance, the process for developing CAR T-cell therapies involves gathering T cells from the cancer patient’s blood, re-engineering them in a lab so they will recognize cancer cells as an “enemy” and then reintroducing these enriched T cells to the patient’s body. The current price tag for a single treatment: $450,000. The timeframe: 12-17 days.

“Even with 20 companies working on CAR-T treatments, and three marketed products and additional promising candidates on the way, there needs to be a better approach to T-cell therapy bioprocessing,” said David O’Dowd, associate director of biomedical solutions at Draper. “The production of these powerful treatments must be standardized, scaled and automated to enable them to be produced efficiently, safely and at a more affordable cost to make them accessible to more patients.”

In addressing this challenge, engineers at Draper have developed a microfluidic transduction device (MTD) to enable companies to manufacture T-cell therapies with half of the viral vector required by many current approaches. One of the main factors driving the prohibitive expense of CAR T-cell therapies is the cost of the viral vector, which serves as the delivery vehicle of genomic materials into specific cells. Viral vectors, which can account for as much as 75 percent of a treatment’s cost, are themselves difficult and costly to manufacture.

As a single device that accomplishes cell preparation and enrichment, Draper’s MTD can be integrated easily into existing lab automation systems for generating CAR T-cells. The MTD uses transmembrane fluid flow to both concentrate and co-localize target cells with viral vectors. Because this device increases the vector concentration in the vicinity of the cells, the result is greatly improved transduction efficiency. How much improvement? Draper scientists tested the platform and found they could achieve a twofold increase in viral transduction efficiency of human T-cells following a 90-minute transduction versus a 24-hour static control—meaning, MTD needed only half as much viral vector to reach the same transduction efficiency in comparison to current approaches.

“Increasing the efficiency of viral transduction or reducing the amount of required virus has the potential to dramatically lower the cost of manufactured cell therapies and enable broader clinical use,” said Ken Kotz, a senior member of the technical staff in Draper’s biomedical solutions group. “We are able to do both with Draper’s MTD device. We believe that implementation of this technology at the clinical level will significantly reduce costs associated with transduction during the manufacturing of cell therapies.”

According to Jenna Balestrini, a program manager of cell bioprocessing and biomedical solutions at Draper, the MTD proved itself similarly effective in two additional areas valued by cell therapy companies: enhancing transduction in other primary human cells such as stem cells, and permitting the use of non-lentiviral vectors. “The technology provides the control, precision and ability to scale to a higher throughput system that could potentially handle up to 1B cells,” said Balestrini.

The microfluidic transduction device is part of an integrated portfolio of resources at Draper intended to help government, industry and academia make better use of biomedicine. The company is working with pharmaceutical companies on drug discovery and development; medical device developers to provide clinicians with quantitative diagnostic data at bedside to help them diagnose their patients’ illnesses more accurately and quickly; and biomanufacturing companies on increasing the speed and reducing the cost of processing cell therapies.

Draper

At Draper, we believe exciting things happen when new capabilities are imagined and created. Whether formulating a concept and developing each component to achieve a field-ready prototype or combining existing technologies in new ways, Draper engineers apply multidisciplinary approaches that deliver new capabilities to customers. As a not-for-profit research and development company, Draper focuses on the design, development and deployment of advanced technological solutions for the world’s most challenging and important problems. We provide engineering solutions directly to government, industry and academia; work on teams as prime contractor or subcontractor; and participate as a collaborator in consortia. We provide unbiased assessments of technology or systems designed or recommended by other organizations—custom designed, as well as commercial-off-the-shelf.

http://www.draper.com

Dan Dent, Draper, http://www.draper.com, +1 (617) 258-2464, [email protected]

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Draper has developed a device for CAR T-cell therapy production that provides developers with a streamlined bioprocessing method designed to lower cost, improve efficiency and broaden patient access.
Draper has developed a device for CAR T-cell therapy production that provides developers with a streamlined bioprocessing method designed to lower cost, improve efficiency and broaden patient access.
Draper has developed a device for CAR T-cell therapy production that provides developers with a streamlined bioprocessing method designed to lower cost, improve efficiency and broaden patient access.

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