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Overlook Medical Center Introduces CyberKnife® M6™, Expands Options to Cancer Patients

November 16, 2015, Summit, NJ – Overlook Medical Center announced today the installation of the CyberKnife® M6™ Series, the next generation CyberKnife Radiosurgery System, to treat tumors of the brain, spine, lung, liver, pancreas and prostate.  The CyberKnife M6 is a non-invasive radiation therapy option for patients who have inoperable or surgically complex tumors, or who may be looking for an alternative to surgery or traditional radiation therapy.  

The CyberKnife System allows radiation oncologists to deliver higher doses of radiation with pinpoint accuracy in a shorter amount of treatment time compared to other radiation therapies.  The extreme accuracy combined with high-quality dose distributions that do not harm surrounding tissues and structures, delivered over five treatments, reduces side effects and preserves patient quality of life.

The CyberKnife M6 offers more options to patients and can treat larger tumors than the first generation models.  

“CyberKnife is a brilliant technology that we have used for more than a decade,” said Louis Schwartz, MD, chair of radiation oncology at Overlook Medical Center and director of the hospital’s CyberKnife Center. “Now, we are excited to offer the latest model with the most advanced technological enhancements to our patients.”

In 2004, Overlook Medical Center opened the first CyberKnife Center in the Northeast U.S. to treat complex tumors and malformations of the brain and spine, in addition to lung, liver, pancreas, and prostate cancers.  

“Very few places in the country can match Overlook’s experience and volume.  We have treated more than 1,000 brain tumor patients, and we have treated the second-most prostate cases in the world,” said Schwartz.  

How it works
The CyberKnife System’s continual image guidance software allows physicians to deliver high radiation doses with pinpoint accuracy, while automatically correcting for tumor movement. Since radiation beams adjust in real-time to the patient’s breathing cycle, there is no damage to the surrounding healthy tissue.

For this reason, a much higher dose of radiation can be sent to destroy the tiniest of tumors, because we are avoiding critical structures next to it,” added Dr. Schwartz.  “This also means patients with conditions considered inoperable, such as a tumor next to the nerves that control vision, or next to the brain stem, can be candidates for treatment.”

Each treatment session lasts between 30 to 90 minutes for one to five days, depending on the location and type of tumor being treated, versus several weeks for traditional radiation therapy.

There are no incisions, no blood, no pain and no complications from anesthesia.  Patients experience greater comfort because they can breathe normally during treatment and there is little or no recovery time. In fact, patients resume daily activities immediately following treatment.  

The CyberKnife can strike the tumor with radiation from 150 different angles and thousands of precise points, an improvement on other therapies that attack lesions from far fewer positions.

“The tumor is bombarded by radiation from multiple sides, which is more efficient to destroy it,” said Dr. Schwartz. “Imagine a golf ball with the small indentations on its surface, and sending radiation to each indentation, rather than from the top only.”

The most noticeable benefit to brain patients is the lack of a head frame during treatments.  All older treatment methods, such as GammaKnife, require the patient to wear a metal head frame that gets bolted to the skull, and can be very painful.  

“This is one of the greatest advances with the CyberKnife; I don’t have to cause the patient more pain because of a head frame needed to stop patient movement,” says Dr. Schwartz.  “It also expands radiation oncology options to children; with some sedation, we can even treat pediatric patients.”

More options for neurosurgeons
The CyberKnife also provides options to neurosurgeons.  

“With the pinpoint accuracy of the CyberKnife, we can treat tumors on the spine,” said neurosurgeon Yaron Moshel, MD, co-director of the Brain Tumor Center of New Jersey at Overlook Medical Center’s Atlantic Neuroscience Institute, “and reach abnormal tangles of blood vessels in the brain.”

“The CyberKnife avoids the risks related to surgery including infection, anesthesia, scarring, and post-operative bleeding,” added Dr. Moshel.

“Traditionally we’re talking about a little round beam of radiation, like a pencil. Now imagine I told you to take a flashlight and use the beams to reconstruct the shape of the tumor—that’s hard to do. But CyberKnife uses laser beams to create a hologram, so we can shape the beam to match the exact shape of the tumor. We can live-track the tumor in a 3-D state, make adjustments, and even pause if necessary.”

The ability to spare healthy tissue is essential to preserving quality of life, especially when treating brain tumors, says Moshel. “In many places, radiating the entire brain is still the standard of care for treating brain tumors, but this often leads to dementia and other problems. By sparing healthy brain tissue, we’re able to avoid these issues. It makes a huge difference in quality of life. What’s the point of surviving cancer if you can’t feed yourself or drive a car because of radiation damage to the brain? This is a question we never asked 15 years ago, but we realize cancer treatment isn’t just about physical survival—it’s about having quality of life.”

Success for prostate cancer
CyberKnife is the biggest advancement in prostate cancer treatment in a decade.  According to research studies at Stanford University Medical Center, CyberKnife treatment is as effective as surgery for the treatment of prostate cancer.  And, because there is no cutting, the risk of incontinence and impotence is minimal.

“At Overlook Medical Center, we have a ten-year, 95 percent success rate in treating prostate cancer with CyberKnife,” said Schwartz.  “That’s a very high number in cancer treatment.”

The appropriate treatment depends on the stage of the cancer, the biopsy Gleason score, PSA (Prostate Specific Antigen) at diagnosis, age of the patient, overall health of the patient, and patient preference.

The CyberKnife Center is a part of the larger Carol G. Simon Cancer Center and Atlantic Neuroscience Institute at Overlook Medical Center.  CyberKnife patients benefit from access to the experience and knowledge of hospital-based physician teams and specialists dedicated to comprehensive treatment and care.  

“The CyberKnife M6 enhances our state-of-the-art oncology and neuroscience services,” said Alan Lieber, president and CEO, Overlook Medical Center.  “As the longest running CyberKnife Center in the region, I am pleased our physicians can offer their patients years of experience matched with the latest advancement in radiosurgery technology.”  

In addition, patients benefit from supportive services, including patient navigators, social work, physical therapists, nutritional counseling, genetic counseling and integrative medicine services. Many support services are offered to help patients and their families cope with illness and cancer.  

“Knowing we have CyberKnife within our network of care empowers us to change our approach to treatment and care,” added Schwartz.  

For more information about the CyberKnife Center at Overlook Medical Center, visit or call the CyberKnife Center coordinator, at 908-522-5624.

The CyberKnife System is designed, manufactured, and distributed worldwide by Accuray Incorporated, a privately-held corporation in Sunnyvale, California.  

About Overlook Medical Center
Overlook Medical Center, based in Summit, NJ, is a recognized leader in neuroscience care and home to some of New Jersey’s top doctors, most compassionate care and most advanced technology and treatments.  Atlantic Neuroscience Institute is the region’s leader in neuroscience care, offering a broad range of advanced neurological, neurosurgical and neurodiagnostic services. Overlook Medical Center is home to the Brain Tumor Center of New Jersey and the largest and most experienced CyberKnife Center in New Jersey.  Overlook is certified as a Level IV Epilepsy Center and one of 10 sites in the United States to be designated a Tourette Syndrome Association Centers of Excellence.  U.S. News & World Report recognized Overlook Medical Center among the best hospitals in central New Jersey and as a “Best Regional Hospital” for neurology & neurosurgery.   Accredited for behavioral health care by The Joint Commission, Overlook Medical Center is also advanced certified by The Joint Commission as an Advanced Comprehensive Stroke Center. The hospital is also Joint Commission-certified in spine surgery, wound care, and primary care medical home (PCMH) for patient-centered, comprehensive and coordinated care.  Overlook Medical Center is nationally accredited by the American College of Surgeons-Commission on Cancer and the National Accreditation Program for Breast Centers.  Overlook Medical Center is part of Atlantic Health System, one of the largest non-profit health care systems in New Jersey.  Our promise to our communities is that anyone who enters Atlantic Health System will receive the right care, at the right quality, at the right time, at the right place and at the right cost. Learn more about our Trusted Network of Caring™ at Overlook Medical Center>

Media Contacts:

  • Overlook Medical Center
  • 99 Beauvoir Avenue
  • Summit, NJ 07902
  • Janina Scheytt Hecht
  • Public Relations Manager
  • 908-522-2142
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