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Type 1 Diabetes Recurrence in Pancreas Transplants

2014-08-27 03:16:41 | BioPortfolio

Summary

The hypothesis is that humoral and cellular islet-specific responses are an early risk factor for recurrence of autoimmunity and hyperglycemia in simultaneous pancreas-kidney (SPK) recipients independent of alloimmunity. This study will test the hypothesis and will assess their individual and combined predictive value.

Description

To identify the factors associated with recurrence of diabetes in subjects who received a simultaneous pancreas-kidney (SPK) or pancreas transplant. The study will see if there are changes in the participant's blood that will help the investigator know whether diabetes has returned after the transplant.

SPK patients will be retrospectively analyzed to determine frequency, levels and time course of autoantibody recurrence and predictive value of autoantibodies for recurrence of the disease.

This study will prospectively follow our existing and our new pancreas transplant recipients to monitor autoantibody levels, monitor and phenotype autoreactive T cells in peripheral blood. This will happen monthly for 24 months.

This study will assess the presence or absence of insulitis in the transplanted pancreas from biopsies performed in recipients with consistent recurrence of multiple autoantibodies.

It will also monitor and phenotype autoreactive T cells from the pancreatic infiltrate obtained by pancreatic transplant biopsies.

Study Design

Observational Model: Cohort

Conditions

Diabetes Mellitus, Type 1

Location

University of Miami Miller School of Medicine Transplant Clinic
Miami
Florida
United States
33136

Status

Recruiting

Source

University of Miami

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:16:41-0400

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Medical and Biotech [MESH] Definitions

A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.

The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2).

A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence.

A type of diabetes mellitus that is characterized by severe INSULIN RESISTANCE and LIPODYSTROPHY. The latter may be generalized, partial, acquired, or congenital (LIPODYSTROPHY, CONGENITAL GENERALIZED).

A life-threatening complication of diabetes mellitus, primarily of TYPE 1 DIABETES MELLITUS with severe INSULIN deficiency and extreme HYPERGLYCEMIA. It is characterized by excessive LIPOLYSIS, oxidation of FATTY ACIDS, production of KETONE BODIES, a sweet smell to the breath (KETOSIS;) DEHYDRATION; and depressed consciousness leading to COMA.

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