Islet Transplantation Alone (ITA) in Patients With Difficult to Control

Status Active, not recruiting

Clinical Trial Summary

The purpose of this study is to evaluate the safety and effectiveness of islet cell transplantation alone (ITA) in patients with difficult to control type I diabetes. Difficult to control type 1 diabetes is defined as wide swings in blood glucose that disrupt the patient's life and result in frequent episodes of low blood glucose despite the proper use of standard insulin therapy and frequent blood glucose monitoring.

Clinical Trial Description

Type 1 diabetes is associated with the damage of a specific cell subtype of pancreatic islets (clusters of cells in the pancreas that produce insulin and other metabolic hormones), which makes patients depend on an outside source of insulin. Despite insulin treatment, type 1 diabetes mellitus causes a significant risk of long-term problems, including damage to the heart, blood vessels, nerves, eyes and kidneys. The results of recent research studies suggest that these complications are caused by poor glucose control. Transplantation of islets offers the prospect of good glycemic (blood glucose) control without the major surgical risks associated with whole pancreas transplant and may result in not needing any insulin injections. In 2000, a group of investigators in Edmonton, Canada showed that islet transplantation using a combination of anti-rejection drugs to help prevent the rejection of transplanted islets was effective in eliminating insulin intake in 7 subjects who were followed up to 20 months. After 5 years, more than 60 patients have been transplanted at Edmonton and only 1 in 10 remained off of insulin. This study is being performed to confirm the results of the Edmonton study to see if islet transplantation alone (ITA) is a safe and effective way of treating subjects with type 1 diabetes. This study uses a few additional medications and vitamin supplements that were not included in the original Edmonton study. We hope this will improve the long-term outcome of islet transplantation. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00706420
Study type	Interventional
Source	City of Hope Medical Center
Contact
Status	Active, not recruiting
Phase	Phase 1
Start date	April 7, 2004
Completion date	November 27, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Islet Transplantation Alone (ITA) in Patients With Difficult to Control Type I Diabetes Mellitus Using a Glucocorticoid-free Immunosuppressive Regimen

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms