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Introduction: Pancreas transplant alone (PTA) restores glycemic control with exogenous insulin independence in the after transplantation (posTx) in patients with type 1 diabetes mellitus (T1D). Between an 8% and 10% of the pancreas transplants cases are PTA. Advances in surgery techniques and immunosuppression improved the results of PTA. According to the International Registry on Organ Donation and Transplantation, survival increased to 5 years, to both the patient and the graft, 86% and 60%, respectively. Objectives: Evaluate the metabolic PTA results in patients with T1D from the institutional Pancreatic Transplant Program. Materials and Methods: Descriptive, observational study, in 5 T1D patients with PTA, made from 2015 to 2020; 3 were women, age 41±7 (range: 35 to 52 years old), diagnosed with T1D for 26±11 years. Pre-emptive transplant (preTx) insulin therapy, 4 with insulin infusion and 1 with MDI. PTA indication: 80% for diabetic retinopathy and metabolic lability, and 20% for psychological incapacity for insulin therapy. Donors’ age: 23.3±4.4 years, ischemic time: 10.8 hours. Pancreases were transplanted in the right iliac fossa, intraperitoneal, with anastomosis to iliac vessels. Quantitative variables with mean and standard deviation and qualitative variables with absolute frequencies are described. Correlation tendencies were calculated with Pearson’s correlation coefficient.