Currently Enrolling Studies Dallas / Carrollton, TX Legent Orthopedic Hospital (LOH) 1401 Trinity Mills Rd.,Carrollton, TX 75006 469-546-3020 Enrolling Studies Houston / Bellaire, TX First Surgical Hospital (FSH) 4801 Bissonnet St.,Bellaire, TX 77401 713-367-8548 Enrolling Studies Houston Heights, TX The Heights Hospital 1917 Ashland St.,Houston, TX 77008 281-369-5765 Enrolling Studies