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Around 15,000 people are diagnosed every year in America with glioblastoma, a particularly aggressive form of brain cancer. At Novocure—a global oncology and medical device company with its North American flagship facility located in Portsmouth, New Hampshire—scientists and manufacturers have developed a device to revolutionize the way these tumors are treated.

The breakthrough: Novocure’s founder Yoram Palti developed an innovative treatment called Tumor Treating Fields therapy—an approach that uses electric fields to kill cancer cells while sparing healthy ones.

• For adult glioblastoma patients, the device, called Optune^®, consists of wearable, portable adhesive arrays and an electric generator that can be carried in a bag.

• “Unhealthy cells and healthy cells have different properties,” said Frank Leonard, president, CNS Cancers U.S. at Novocure. “If you can create the right type of electric field, you can exert force and destroy cancer cells as they divide.”

Value added: Crucially, Tumor Treating Fields therapy is being studied together with other therapies, giving patients access to an optimal mix of treatments.

• “You get the best of both worlds with a device intervention and a drug intervention,” said Leonard. “Patients can wear this device consistently while using Temozolomide, which is the current standard of care chemotherapy agent used to treat glioblastoma.”

Low risk: Unlike drug therapies, which can present a range of adverse effects, Optune^® has few side effects beyond mild-to-moderate skin irritation beneath the transducer arrays. As a result, patients can receive the treatment continuously for extended periods of time to attack cancer cells.

• “Typically, the limiting factor in treating cancer is dose-limiting toxicity—for example, you can only take one or two chemotherapies at the same time because they’re so toxic,” said Leonard.

Getting heard: The company’s device was featured in the award-winning short film “Rare Enough,” which tells the inspiring story of cancer survivor DJ Stewart and his journey in battling glioblastoma.

• Stewart is a Kansas City–based skateboarder who was first diagnosed with glioblastoma in 2019. Thanks, in part, to Tumor Treating Fields therapy, his life expectancy—once only 13 months—has been prolonged significantly. DJ now serves as a community outreach coordinator for the Head for the Cure Foundation.

Next steps: Novocure believes that Tumor Treating Fields therapy holds significant promise for other types of cancer as well. The company is developing additional wearable devices that could treat countless patients around the world.

• Lung cancer trials have shown promising results recently, and the company expects to learn more in the coming months from clinical trials involving ovarian cancer, metastases from lung cancer and pancreatic cancer.

• “We started working first in one of the rarer, yet most aggressive, forms of cancer. There are around 15,000 patients diagnosed with glioblastoma in the U.S. each year,” said Leonard. “But pre-clinical data suggests that Tumor Treating Fields can work with all different tumor types.”

A look to the future: Wearable anti-cancer devices offer an exciting new frontier in the fight against life-threatening diseases, and an important field where manufacturers can make an enormous difference.

• “In these really aggressive cancers, we still are making advances—and advanced devices that require sophisticated engineering and complex global manufacturing have a role to play,” said Leonard. “There’s a lot the manufacturing industry can do to improve the outcomes of patients, and they should be recognized for that work.”