RecruitingDrug trialCIRTEN-Simultaneous Pancreas-Kidney Transplant RecipientsThis is a Phase II/III, Single-center, Prospective, Open-label, Single Arm Study of 20 Simultaneous Kidney Pancreas recipients who received a transplant at least 3 months, but no more than 5 years prior, with a history of tremors following transplantation.