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EXABLATE SHOWS SIGNIFICANTLY FEWER COMPLICATIONS AND FASTER RECOVERY THAN HYSTERECTOMY

November 11, 2009
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INSIGHTEC Ltd. today announced that three new papers published in the November issue of Ultrasound in Obstetrics and Gynecology add to the growing body of data supporting the use of Exablate as a safe, effective and durable treatment for uterine fibroids.

 

One study showed that non-invasive treatment with the ExAblate Magnetic Resonance-guided Focused Ultrasound (MRgFUS) system offers women a significantly less risky treatment for symptomatic uterine fibroids with much faster recovery time than hysterectomy. A separate study shows the positive correlation in the volume reduction of the fibroid to symptom improvement after two years, while a third showed improvement in outcomes of ExAblate treatments as physicians improved their skills with the system.

 

Our understanding of how to apply this new technology in the treatment of uterine fibroids has been rapidly expanding,” wrote Prof. Wladyslaw M. Gedroyc, St. Mary’s Hospital, Imperial College Healthcare Trust, London, UK, in an Opinion published in the November issue. “We now know that MRgFUS works quickly with very few side effects and that patients can return to normal function almost immediately after treatment. We also know that the larger the area of ablation that can be produced in the targeted fibroids, the better the symptomatic response and the less the need for other fibroid interventions, and that when the early symptomatic response is highly effective, long-term improvement of symptoms is almost invariably seen,”

 

A prospective study of 192 patients at 14 different medical centers across the United States, Israel, the United Kingdom and Germany, showed that MRgFUS was associated with significantly fewer adverse events in comparison with hysterectomy patients. Similarly, recovery times were much faster for MRgFUS, with an average of only one day away from work as opposed to 6 weeks for hysterectomy

 

In a separate retrospective multi-center study of patients who had undergone MRgFUS in Japan, researchers found that as practitioners gained more experience using MRgFUS, their treatments were increasingly effective and that the percentage of patients that who required a second treatment at one year decreased significantly, from 12% in the first group to 5% in the patients treated later. These numbers are similar to the retreatment rates of other uterine-conserving solutions.

 

Another Japanese study, from Shinsuma Hospital, showed that different types of fibroids respond differently to MRgFUS. Low-intensity T2 signal fibroids respond extremely well, with large areas of destruction being easily produced which lead to large Non-Perfused Volumes (NPVs). In comparison, fibroids of high intensity T2 signal do not respond as well to MRgFUS. As a result, at 12 months only 2.9% of the patients treated with low intensity fibroids required retreatment and 14% at 24 months, compared to 22% at 24 months for high intensity group.

 

Over 5,000 patients worldwide have already benefited from the ExAblate treatment which is the only U.S. Food and Drug Administration (FDA)-approved system to use the breakthrough MRgFUS technology that combines MRI -- to visualize tissues in the body, plan the treatment and monitor, in real time, treatment outcome -- and high intensity focused ultrasound to thermally ablate tissue. MR thermal feedback, provided uniquely by the system, allows the physician to control and adjust the treatment in real time to ensure that the targeted tumor is fully treated and surrounding tissue is spared. Exablate received the CE Mark for uterine fibroids in October 2002 and FDA approval for the treatment of symptomatic uterine fibroids in October 2004.

 

“The non-invasiveness of the MRgFUS procedure and its ability to rapidly restore patients to an improved function are very strong advantages and the conversion of hospital inpatient stays into outpatient procedures is very attractive economically given the rapid gain in quality of life post-therapy, with few complications,” Dr. Gedroyc concluded in the editorial.

INSIGHTEC

INSIGHTEC is the global leader in MRgFUS. The Company, founded in 1999, develops and distributes a non-invasive therapy platform that is transforming medicine. INSIGHTEC is continuously expanding its applications ranging from functional neurosurgery to oncology and gynecology. MRgFUS is embraced by world-renowned physicians in more than 120 medical facilities who applaud both its clinical and economic value. The Company has received numerous innovation awards, among others from the Wall Street Journal and TIME magazine. INSIGHTEC is privately held by GE Healthcare, Elbit Imaging, York Capital Management, GEOC Hengtong Investment Limited Partnership and MediTech Advisors.

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