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Issues in clinical islet transplantation

F C Brunicardi1, Y Mullen

  • 1Department of Surgery, UCLA School of Medicine.

Pancreas
|May 1, 1994
PubMed
Summary

Clinical islet transplantation shows promise, with recent improvements in insulin independence and graft function. Key challenges include islet preparation, donor islet quantity, and preventing immune rejection for better outcomes.

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Area of Science:

  • Endocrinology
  • Transplantation immunology
  • Regenerative medicine

Background:

  • The Second International Islet Transplantation Symposium convened in 1993 to address clinical islet transplantation challenges.
  • Focus was on improving success rates for islet transplants globally.
  • Sponsored by the Jerry's Foundation for Diabetes Research.

Purpose of the Study:

  • To review current clinical results and identify key issues in islet transplantation.
  • To discuss strategies for enhancing the success rates of islet transplants.
  • To assess the progress and future potential of islet transplantation.

Main Methods:

  • Review of data from the Islet Transplantation Registry.
  • Discussion of clinical results from leading international islet transplant programs.
  • Analysis of patient outcomes including insulin independence and graft function (C-peptide levels).

Main Results:

  • Worldwide, 178 islet transplants were reported.
  • 11% achieved insulin independence; 20% achieved it between 1990-1992.
  • 20% had functioning grafts (C-peptide positive); 65% had functioning grafts between 1990-1992.

Conclusions:

  • While many patients still require insulin, partial success is evident through improved glucose control and reduced insulin needs.
  • Major obstacles to clinical success include islet preparation, donor islet yield, and prevention of immune rejection.
  • Continued technological advancements are anticipated to improve islet transplantation success rates towards those of solid organ transplantation.

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