Dr. John Chi of Brigham and Women’s Hospital shares data from the FDA-approved, multicenter randomized clinical trial of the TOPS™ System. In this ISASS 2025 presentation, Dr. Chi highlights the device’s role in treating degenerative spondylolisthesis with spinal stenosis, comparing outcomes to traditional fusion—including range of motion, reoperation rates, and long-term clinical success. Discover how motion preservation is shaping the future of spine surgery.