Aurora Spine Corporation announced positive interim results from a clinical study using the ZIP(TM) MIS Interspinous Fusion System. The results were published in an abstract posted in Pain and Therapy, titled "A Prospective, Observational, Open-Label, Non- Randomized, Multicenter Study Measuring Functional Outcomes in a Novel Interspinous Fusion Device in Subjects with Low Back Pain: REFINE Study". The publication discussed the results of the interim 3-month analysis, which included 54 patients, of which 82% reported improvement as a result of the procedure, while 65% of the patients demonstrated clinical meaningful improvement in their pain and function.

The publication also demonstrated that the use of the ZIP device was both effective and safe at the 3-month follow-up. This study remains active and enrollment is continuing, with more follow-up data expected in the future as more patient data is compiled. The study included results gathered from 11 doctors and was conducted on behalf of Aurora Spine to determine the utility of using interspinous fusion devices as a fusion therapy for the treatment of lumbar spinal stenosis.

The treatment of lumbar spinal stenosis has a large unmet treatment need that bridges the gap between conservative measures and invasive surgical procedures.