Results from two studies demonstrate Vertos Medical’s mild procedure is safe and efficacious

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Vertos Medical has announced the release of clinical study data demonstrating the long-term safety and efficacy of mild as well as its superior durability over epidural steroid injections for treating lumbar spinal stenosis.

The data, derived from two independent studies, was presented by Nagy Mekhail, at the 13th Annual Cleveland Clinic Pain Management Symposium in Sarasota, Florida, USA.

 

 

Twelve-month post-study follow-up of the MiDAS I clinical trial

The long-term safety and efficacy of mild were validated by one-year post-study follow-up on 58 patients from 11 centres from the MiDAS I (mild Decompression Alternative to Open Surgery) clinical trial.

 

The data, presented by Timothy R Deer,The Center for Pain Relief, Charleston, West Virginia, USA, showed that mild patients continued to experience a statistically significant and clinically relevant reduction in pain and improvement in mobility as measured by the Visual Analog Score, Zurich Claudication Questionnaire and SF-12v2 Quality of Life Survey. In addition, 74% of patients remained satisfied with the overall results of their mild treatment.

 

No device or procedure-related serious adverse events were reported after 170 total procedures, which were primarily bilateral at one or two affected levels, in the 58 patients studied. These positive outcomes were consistent with the six-month results released in 2010 in the final MiDAS I study report.

 

“The post-study follow-up data on mild present compelling evidence that the procedure offers a safe, effective and lasting treatment for lumbar spinal stenosis, as the significant response seen at three and six months was still present at one year across all four outcomes instruments,” said Deer. “This is very encouraging news for lumbar spinal stenosis patients who, before mild, have only had the palliative or open surgical treatment options for addressing their pain and immobility.”

 

 

Comparison of mild with epidural injections

The results of a randomised, controlled, double-blind comparison of mild versus epidural steroid injections were also presented at the continuing medical education meeting. The results of the single-centre, 38-patient study further supported the excellent safety profile of mild, as well as epidural steroid injections, while clearly demonstrating mild’s superior durability over epidural steroid injections with respect to pain relief and patient satisfaction.

 

Lora L Brown from Coastal Orthopedics, Bradenton, Florida, USA, reported that there were no device or procedure-related serious adverse events between the two study groups and that both showed a significant week one improvement in patient satisfaction and reduction in pain based on the Visual Analog Score and Zurich Claudication Questionnaire.

 

However, subsequent follow-up showed a marked difference between the groups. Following mild therapy, the positive patient satisfaction and pain relief results were durable through 12 weeks. With epidural steroid injections, and in keeping with reports in current literature, a dramatic return of pain and associated patient dissatisfaction were observed after only week one with a return to baseline at 12 weeks.

“This study data shows that epidural steroid injections are safe and effective at treating lumbar spinal stenosis symptoms but only relieve them temporarily, and this is consistent with what we see in clinical practice,” said Brown. “In contrast, mild treats the source of the symptoms and in doing so has a more lasting effect. These findings represent a significant development in the treatment algorithm for lumbar spinal stenosis, as we may see mild effectively replacing  epidural steroid injections as an early treatment option for a potentially large population of patients.”

As presented by Mekhail, director of evidence-based pain management research and education at the Cleveland Clinic, USA, mild is well positioned to fill the therapeutic gap in the care path of patients with lumbar spinal stenosis. He stated that mild should be considered after the failure of conservative treatment and before considering open surgical decompression or fusion in the treatment algorithm.

“We are very encouraged by the growing body of scientific data validating mild’s valuable and potentially paradigm-shifting role in the early treatment of lumbar spinal stenosis,” said James M Corbett, president and chief executive officer of Vertos Medical. “By offering a safe, effective and lasting therapeutic option, we believe that mild has the potential to significantly improve the lives of lumbar spinal stenosis patients while also positively impacting the broader health-care system.”

 

About mild

 

Mild is an image-guided percutaneous decompression laminotomy procedure used to treat patients with lumbar spinal stenosis, a condition diagnosed in 1.2 million patients annually in the United States. mild is a less invasive alternative to open or endoscopic surgery,this procedure safely and therapeutically reduces pain and increases mobility while maintaining structural stability.

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