Five-Year Follow-Up After Clinical Islet Transplantation
Abstract
Islet transplantation can restore endogenous beta-cell function to subjects with type 1 diabetes. Sixty-five patients received an islet transplant in Edmonton as of 1 November 2004. Their mean age was 42.9 +/- 1.2 years, their mean duration of diabetes was 27.1 +/- 1.3 years, and 57% were women. The main indication was problematic hypoglycemia. Forty-four patients completed the islet transplant as defined by insulin independence, and three further patients received >16,000 islet equivalents (IE)/kg but remained on insulin and are deemed complete. Those who became insulin independent received a total of 799,912 +/- 30,220 IE (11,910 +/- 469 IE/kg). Five subjects became insulin independent after one transplant. Fifty-two patients had two transplants, and 11 subjects had three transplants. In the completed patients, 5-year follow-up reveals that the majority ( approximately 80%) have C-peptide present post-islet transplant, but only a minority ( approximately 10%) maintain insulin independence. The median duration of insulin independence was 15 months (interquartile range 6.2-25.5). The HbA(1c) (A1C) level was well controlled in those off insulin (6.4% [6.1-6.7]) and in those back on insulin but C-peptide positive (6.7% [5.9-7.5]) and higher in those who lost all graft function (9.0% [6.7-9.3]) (P < 0.05). Those who resumed insulin therapy did not appear more insulin resistant compared with those off insulin and required half their pretransplant daily dose of insulin but had a l…
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The initially promising results of islet transplantation deteriorated so that at 5 years, only 10% of patients remained independent of exogenous insulin.
“the initially promising results deteriorated so that at 5 years, only 10% of patients remained independent of exogenous insulin.150”
From Type 1 diabetes (2014) · cites this paper as [150]
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- Authors
- Ryan, E. A., Paty, B. W., Senior, P. A., Bigam, D., Alfadhli, E., Kneteman, N. M., Lakey, J. R. T., & Shapiro, A. M. J.
- Affiliations
- University of Alberta (CA)
- ORCID
- Venue
- Diabetes
- Publisher
- American Diabetes Association
- Published
- 2005-07-01
- Volume
- 54
- Issue
- 7
- Pages
- 2060-2069
- ISSN
- 0012-1797 (ISSN-L)
- 1939-327X
- OpenAlex
- W2133186034
- Cited by
- 1,641
- References
- 4
- Citations by year
- 2026: 7 · 2025: 15 · 2024: 26 · 2023: 33 · 2022: 46 · 2021: 45 · 2020: 62 · 2019: 54 · 2018: 70 · 2017: 52 · 2016: 79 · 2015: 76 · 2014: 100 · 2013: 107 · 2012: 129
- FWCI
- 118.48
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Diabetes (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
- Keywords
- islet transplantation, type 1 diabetes, insulin independence, C-peptide, graft function, hypoglycemia, HbA1c, insulin dose, immunosuppression complications, retinal complications, microalbuminuria, long-term outcomes, portal vein thrombosis, graft failure, retinopathy, kidney disease
- MeSH terms
- Adult, Blood Glucose, C-Peptide, Diabetes Mellitus, Type 1, Female, Follow-Up Studies, Humans, Hypoglycemia, Insulin, Male, Postoperative Complications, Time Factors, Survival Analysis, Islets of Langerhans Transplantation, Treatment Outcome
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