Early Metabolic Markers That Anticipate Loss of Insulin Independence in Type 1 Diabetic Islet Allograft Recipients

The objective of this study was to identify predictors of insulin independence and to establish the best clinical tools to follow patients after pancreatic islet transplantation (PIT). Sequential metabolic responses to intravenous (I.V.) glucose (I.V. glucose tolerance test [IVGTT]), arginine and gl...

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Veröffentlicht in:American journal of transplantation 2012-05, Vol.12 (5), p.1275-1289
Hauptverfasser: Hirsch, D., Odorico, J., Danobeitia, J. S., Alejandro, R., Rickels, M. R., Hanson, M., Radke, N., Baidal, D., Hullett, D., Naji, A., Ricordi, C., Kaufman, D., Fernandez, L.
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container_end_page 1289
container_issue 5
container_start_page 1275
container_title American journal of transplantation
container_volume 12
creator Hirsch, D.
Odorico, J.
Danobeitia, J. S.
Alejandro, R.
Rickels, M. R.
Hanson, M.
Radke, N.
Baidal, D.
Hullett, D.
Naji, A.
Ricordi, C.
Kaufman, D.
Fernandez, L.
description The objective of this study was to identify predictors of insulin independence and to establish the best clinical tools to follow patients after pancreatic islet transplantation (PIT). Sequential metabolic responses to intravenous (I.V.) glucose (I.V. glucose tolerance test [IVGTT]), arginine and glucose‐potentiated arginine (glucose‐potentiated arginine‐induced insulin secretion [GPAIS]) were obtained from 30 patients. We determined the correlation between transplanted islet mass and islet engraftment and tested the ability of each assay to predict return to exogenous insulin therapy. We found transplanted islet mass within an average of 16 709 islet equivalents per kg body weight (IEQ/kg BW; range between 6602 and 29 614 IEQ/kg BW) to be a poor predictor of insulin independence at 1 year, having a poor correlation between transplanted islet mass and islet engraftment. Acute insulin response to IVGTT (AIRGLU) and GPAIS (AIRmax) were the most accurate methods to determine suboptimal islet mass engraftment. AIRGLU performed 3 months after transplant also proved to be a robust early metabolic marker to predict return to insulin therapy and its value was positively correlated with duration of insulin independence. In conclusion, AIRGLU is an early metabolic assay capable of anticipating loss of insulin independence at 1 year in T1D patients undergoing PIT and constitutes a valuable, simple and reliable method to follow patients after transplant. Acute insulin response to an intravenous glucose tolerance test is the most reliable predictor of insulin independence at one year after pancreatic islet transplantation in type 1 diabetic recipients.
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S. ; Alejandro, R. ; Rickels, M. R. ; Hanson, M. ; Radke, N. ; Baidal, D. ; Hullett, D. ; Naji, A. ; Ricordi, C. ; Kaufman, D. ; Fernandez, L.</creator><creatorcontrib>Hirsch, D. ; Odorico, J. ; Danobeitia, J. S. ; Alejandro, R. ; Rickels, M. R. ; Hanson, M. ; Radke, N. ; Baidal, D. ; Hullett, D. ; Naji, A. ; Ricordi, C. ; Kaufman, D. ; Fernandez, L.</creatorcontrib><description>The objective of this study was to identify predictors of insulin independence and to establish the best clinical tools to follow patients after pancreatic islet transplantation (PIT). Sequential metabolic responses to intravenous (I.V.) glucose (I.V. glucose tolerance test [IVGTT]), arginine and glucose‐potentiated arginine (glucose‐potentiated arginine‐induced insulin secretion [GPAIS]) were obtained from 30 patients. We determined the correlation between transplanted islet mass and islet engraftment and tested the ability of each assay to predict return to exogenous insulin therapy. We found transplanted islet mass within an average of 16 709 islet equivalents per kg body weight (IEQ/kg BW; range between 6602 and 29 614 IEQ/kg BW) to be a poor predictor of insulin independence at 1 year, having a poor correlation between transplanted islet mass and islet engraftment. Acute insulin response to IVGTT (AIRGLU) and GPAIS (AIRmax) were the most accurate methods to determine suboptimal islet mass engraftment. AIRGLU performed 3 months after transplant also proved to be a robust early metabolic marker to predict return to insulin therapy and its value was positively correlated with duration of insulin independence. In conclusion, AIRGLU is an early metabolic assay capable of anticipating loss of insulin independence at 1 year in T1D patients undergoing PIT and constitutes a valuable, simple and reliable method to follow patients after transplant. Acute insulin response to an intravenous glucose tolerance test is the most reliable predictor of insulin independence at one year after pancreatic islet transplantation in type 1 diabetic recipients.</description><identifier>ISSN: 1600-6135</identifier><identifier>EISSN: 1600-6143</identifier><identifier>DOI: 10.1111/j.1600-6143.2011.03947.x</identifier><identifier>PMID: 22300172</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Adolescent ; Adult ; Aged ; Biological and medical sciences ; Biomarkers - blood ; Blood Glucose - metabolism ; C-Peptide - blood ; C-Peptide - metabolism ; Case-Control Studies ; Clinical islet transplantation ; Diabetes Mellitus, Type 1 - surgery ; Diabetes. Impaired glucose tolerance ; Endocrine pancreas. Apud cells (diseases) ; Endocrinopathies ; Etiopathogenesis. Screening. Investigations. Target tissue resistance ; Female ; Follow-Up Studies ; Glucose Tolerance Test ; Graft Rejection - blood ; Graft Rejection - diagnosis ; Graft Rejection - etiology ; Humans ; Insulin - blood ; Insulin - metabolism ; insulin independence ; Insulin Secretion ; Islets of Langerhans - pathology ; Islets of Langerhans Transplantation - adverse effects ; Male ; Medical sciences ; Middle Aged ; Postoperative Complications ; Surgery (general aspects). Transplantations, organ and tissue grafts. 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S.</creatorcontrib><creatorcontrib>Alejandro, R.</creatorcontrib><creatorcontrib>Rickels, M. R.</creatorcontrib><creatorcontrib>Hanson, M.</creatorcontrib><creatorcontrib>Radke, N.</creatorcontrib><creatorcontrib>Baidal, D.</creatorcontrib><creatorcontrib>Hullett, D.</creatorcontrib><creatorcontrib>Naji, A.</creatorcontrib><creatorcontrib>Ricordi, C.</creatorcontrib><creatorcontrib>Kaufman, D.</creatorcontrib><creatorcontrib>Fernandez, L.</creatorcontrib><title>Early Metabolic Markers That Anticipate Loss of Insulin Independence in Type 1 Diabetic Islet Allograft Recipients</title><title>American journal of transplantation</title><addtitle>Am J Transplant</addtitle><description>The objective of this study was to identify predictors of insulin independence and to establish the best clinical tools to follow patients after pancreatic islet transplantation (PIT). Sequential metabolic responses to intravenous (I.V.) glucose (I.V. glucose tolerance test [IVGTT]), arginine and glucose‐potentiated arginine (glucose‐potentiated arginine‐induced insulin secretion [GPAIS]) were obtained from 30 patients. We determined the correlation between transplanted islet mass and islet engraftment and tested the ability of each assay to predict return to exogenous insulin therapy. We found transplanted islet mass within an average of 16 709 islet equivalents per kg body weight (IEQ/kg BW; range between 6602 and 29 614 IEQ/kg BW) to be a poor predictor of insulin independence at 1 year, having a poor correlation between transplanted islet mass and islet engraftment. Acute insulin response to IVGTT (AIRGLU) and GPAIS (AIRmax) were the most accurate methods to determine suboptimal islet mass engraftment. AIRGLU performed 3 months after transplant also proved to be a robust early metabolic marker to predict return to insulin therapy and its value was positively correlated with duration of insulin independence. In conclusion, AIRGLU is an early metabolic assay capable of anticipating loss of insulin independence at 1 year in T1D patients undergoing PIT and constitutes a valuable, simple and reliable method to follow patients after transplant. 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Target tissue resistance</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Glucose Tolerance Test</subject><subject>Graft Rejection - blood</subject><subject>Graft Rejection - diagnosis</subject><subject>Graft Rejection - etiology</subject><subject>Humans</subject><subject>Insulin - blood</subject><subject>Insulin - metabolism</subject><subject>insulin independence</subject><subject>Insulin Secretion</subject><subject>Islets of Langerhans - pathology</subject><subject>Islets of Langerhans Transplantation - adverse effects</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Postoperative Complications</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. 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subjects Adolescent
Adult
Aged
Biological and medical sciences
Biomarkers - blood
Blood Glucose - metabolism
C-Peptide - blood
C-Peptide - metabolism
Case-Control Studies
Clinical islet transplantation
Diabetes Mellitus, Type 1 - surgery
Diabetes. Impaired glucose tolerance
Endocrine pancreas. Apud cells (diseases)
Endocrinopathies
Etiopathogenesis. Screening. Investigations. Target tissue resistance
Female
Follow-Up Studies
Glucose Tolerance Test
Graft Rejection - blood
Graft Rejection - diagnosis
Graft Rejection - etiology
Humans
Insulin - blood
Insulin - metabolism
insulin independence
Insulin Secretion
Islets of Langerhans - pathology
Islets of Langerhans Transplantation - adverse effects
Male
Medical sciences
Middle Aged
Postoperative Complications
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Transplantation, Homologous
Young Adult
title Early Metabolic Markers That Anticipate Loss of Insulin Independence in Type 1 Diabetic Islet Allograft Recipients
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