The Vivistim Paired VNS System is produced and commercialized by MicroTransponder, a spinoff company started by UT Dallas graduates. VNS Clinical Trials Texas Biomedical Device Center researchers continue to conduct clinical trials using VNS to treat stroke, spinal cord injury and post-traumatic stress disorder. To learn more about how the University is enhancing lives through transformative research, visit the New Dimensions: The Campaign for UT Dallas website. “Our stroke study published in The Lancet was the culmination of a large amount of preclinical research that we started over a decade ago at UT Dallas,” Engineer said. Hays described targeted plasticity therapy and VNS for stroke as “the definition of grassroots” — the approach was invented and developed at UT Dallas, by UT Dallas students, staff and faculty.