Journal
AMERICAN JOURNAL OF TRANSPLANTATION
Volume 16, Issue 1, Pages 246-253Publisher
WILEY
DOI: 10.1111/ajt.13425
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Funding
- Diabetes Cell Therapy Initiative (DCTI)
- Dutch Diabetes Research Foundation
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Pancreatic islet transplantation is performed in a select group of patients with type 1 diabetes mellitus. Immunosuppressive regimens play an important role in long-term islet function. We aimed to investigate the efficacy of islet transplantation in patients with type 1 diabetes and a previous kidney transplantation using an alemtuzumab-based induction regimen and triple maintenance immunosuppression. Patients with type 1 diabetes, who had received a kidney transplant previously, were treated with alemtuzumab as induction therapy for their first islet transplantation and basiliximab induction therapy for subsequent islet transplantations. Maintenance immunosuppression consisted of triple immunosuppression (tacrolimus, mycophenolate mofetil, and prednisolone). Thirteen patients (age 50.9 +/- 9.2 years, duration of diabetes 35 +/- 9 years) received a total of 22 islet transplantations. One-and 2-year insulin independence was 62% and 42%, respectively; graft function was 100% and 92%, respectively. HbA1c dropped from 57.2 +/- 13.1 (7.4 +/- 1.2%) to 44.5 +/- 11.8 mmol/molHb (6.2 +/- 0.9%) (p = 0.003) after 2 years. Six of 13 patients suffered from severe hypoglycemia before islet transplantation. After transplantation, severe hypoglycemia was restricted to the only patient who lost graft function. Creatinine clearance was unchanged. Islet-after-kidney transplantation in patients with type 1 diabetes using an alemtuzumab-based induction regimen leads to considerable islet allograft function and improvement in glycemic control.
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