“…This has led to an increased prevalence of patients with graft loss returning to dialysis and relisted to a subsequent kidney transplant. 1 A major challenge for these patients is human leukocyte antigen sensitization, and patients waiting for a retransplant represent the majority of the highly sensitized. 2 In Portugal, there is a major concern about the growing number of patients who are highly sensitized waiting for a kidney transplant.…”