RecruitingDevice studyThe GORE VBX FORWARD Clinical Study: A Comparison of the GORE® VIABAHN® VBX Balloon Expandable Endoprosthesis to Bare Metal Stenting for Patients With Complex Iliac Occlusive DiseaseThe objective of this prospective, multicenter, randomized, controlled clinical trial is to demonstrate the superiority of the VBX Device for primary patency when compared to bare metal stenting in complex iliac occlusive disease.