Varian Receives FDA "Breakthrough Device Designation" For Embozene® Microspheres For Genicular Artery Embolization For Symptomatic Knee Osteoarthritis | Varian

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Varian Receives FDA "Breakthrough Device Designation" For Embozene® Microspheres For Genicular Artery Embolization For Symptomatic Knee Osteoarthritis

PALO ALTO, Calif., Oct. 13, 2021 /PRNewswire/ -- Varian, a Siemens Healthineers company, announced today that the U.S. Food and Drug Administration (FDA) has granted the company Breakthrough Device Designation for its Embozene® microspheres for genicular artery embolization (GAE) for symptomatic knee osteoarthritis. Embozene is a medical device that is FDA cleared for the embolization of hypervascular tumors, arteriovenous malformations, uterine fibroids and benign prostatic hyperplasia.

Embozene microspheres received this designation due to their potential to offer a more effective treatment for appropriate patients with osteoarthritis of the knee. GAE is designed to reduce the blood flow to the periarticular tissue of the joints, limiting the inflammatory process.

"GAE is the first minimally invasive procedure that has demonstrated a significant symptom improvement for a prolonged duration," said Siddharth Padia, M.D, director, Interventional Radiology at UCLA Santa Monica and the David Geffen School of Medicine at UCLA. "In a 40-patient, prospective study, the procedure resulted in a marked improvement in pain and function, and adverse events were uncommon and mild. I remain excited about the possibilities of this technology and its benefit to patients." Dr. Padia is currently working to initiate a randomized clinical trial and a 400-patient registry.

Osteoarthritis is the most common form of arthritis and is a "wear and tear" degenerative joint disease that affects the cartilage and surrounding tissues.1 The knee is the joint that is most commonly affected with osteoarthritis and knee osteoarthritis is the leading cause of disability in the U.S. adult population.2,3 It is estimated that 14 million individuals in the United States have symptomatic knee osteoarthritis, with half suffering from advanced knee osteoarthritis.4 The management of osteoarthritis of the knee is estimated to cost the United States healthcare system from $5.7 to $15 billion annually.5 Treatment for osteoarthritis often escalates from over-the-counter medications and physical therapy to cortisone injections and sometimes knee replacement surgery.

"GAE holds great promise in providing clinicians with a new, non-invasive treatment option, which may not only ameliorate pain, but reduce the economic burden of this common disease," said Frank Facchini, MD, FSIR, president, Varian Interventional Solutions. "Varian's investigational program for GAE exemplifies our commitment to investing in our core technologies to determine their potential to treat the world's most debilitating diseases." 

The FDA Breakthrough Device Program is intended to provide patients with more timely access to medical devices that have the potential to provide for more effective treatment or diagnosis of life-threatening or irreversibly debilitating diseases or conditions. As part of the program, the FDA expedites the traditional review and assessment process to help accelerate the development, assessment and review of the device for possible approval.

About Varian Interventional Solutions

Varian and Siemens Healthineers are investing in the future of interventional radiology. By partnering with interventional radiologists and researchers in the field, we are delivering a portfolio of intelligent solutions to benefit patients around the globe. We're committed to enhancing the patient experience at every stage of care by developing and delivering innovative solutions in ablation, embolization and beyond.

About Varian

At Varian, a Siemens Healthineers company, we envision a world without fear of cancer. For more than 70 years, we have developed, built and delivered innovative cancer care technologies and solutions for our clinical partners around the globe to help them treat millions of patients each year. With an Intelligent Cancer Care approach, we are harnessing advanced technologies like artificial intelligence, machine learning and data analytics to enhance cancer treatment and expand access to care. Our 11,000 employees across 70 locations keep the patient and our clinical partners at the center of our thinking as we power new victories in cancer care. Because, for cancer patients everywhere, their fight is our fight. For more information, visit and follow @VarianMedSys on Twitter.

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1     United States Bone and Joint Initiative: The Burden of Musculoskeletal Diseases in the United States (BMUS), Fourth Edition. Rosemont, IL. Available at http://www.boneandjointburden.orgexternal icon. Accessed on June 10, 2021.

2     Felson DT, Naimark A, Anderson J, et al. The prevalence of knee osteoarthritis in the elderly. The Framingham Osteoarthritis Study. Arthritis Rheum. 1987;30:914–8.

3     Peat G, McCarney R, Croft P. Knee pain and osteoarthritis in older adults: A review of community burden and current use of primary health care. Ann Rheum Dis. 2001;60:91–7.

4     Deshpande BR, Katz JN, Solomon DH, et al. Number of persons with symptomatic knee osteoarthritis in the us: impact of race and ethnicity, age, sex, and obesity. Arthritis Care Res. 2016;68:1743-1750. doi: 10.1002/acr.22897.

5     Bedenbaugh AV, Bonafede M, Marchlewicz EH, et al. Real-World Health Care Resource Utilization and Costs Among US Patients with Knee Osteoarthritis Compared with Controls. Clinicoecon Outcomes Res. 2021;13:421-435. doi: 10.2147/CEOR.S302289.