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Type 1 diabetes is an autoimmune disease in which the insulin-producing pancreatic beta cells are destroyed, resulting in poor blood sugar control. The purpose of this study is to determine the safety and effectiveness of islet transplantation, combined with immunosuppressive medications and medications to support islet survival for treating type 1 diabetes in individuals experiencing hypoglycemia unawareness and severe hypoglycemic episodes.
Type 1 diabetes is commonly treated with the administration of insulin, either by multiple insulin injections or by a continuous supply of insulin through a wearable pump. Insulin therapy allows long-term survival in individuals with type 1 diabetes; however, it does not guarantee constant normal blood sugar control. Because of this, long-term type 1 diabetic survivors often develop vascular complications, such as diabetic retinopathy, an eye disease that can cause poor vision and blindness, and diabetic nephropathy, a kidney disease that can lead to kidney failure. Some individuals with type 1 diabetes develop hypoglycemia unawareness, a life-threatening condition that is not easily treatable with medication and is characterized by reduced or absent warning signals for hypoglycemia. For such individuals, pancreas or pancreatic islet transplantation are possible treatment options. Insulin independence among islet transplant recipients tends to decline over time. New strategies aimed at promoting engraftment of transplanted islets are needed to improve the clinical outcomes associated with this procedure.
Type 1 Diabetes Mellitus
Islet Transplant, Sirolimus, Basiliximab, Tacrolimus, Antibacterial, Antifungal, and Antiviral Prophylaxis, Trimethoprim/sulfamethoxazole, Clotrimazole, Valganciclovir, Heparin, Enoxaparin, Pentoxifylline, Aspirin
Hospital of the University of Pennsylvania
No longer available
National Institute of Allergy and Infectious Diseases (NIAID)
Published on BioPortfolio: 2014-07-24T14:10:19-0400
There is no consensus on the best immunosuppressive regimen in elderly people. The aim of this study will be to evaluate the efficacy of sirolimus associated with tacrolimus in elderly kid...
Type 1 diabetes is an autoimmune disease in which the insulin-producing pancreatic beta cells are destroyed, resulting in poor blood sugar control. The purpose of this study is to assess t...
Our hypothesis is that a successful clinical islet transplant program can be established at the University of Wisconsin using a steroid -free, sirolimus- and low dose tacrolimus - based im...
Proof of concept study in islet transplantation, two treatment arms (ATG SIR-TAC versus ATG SIR) each consisting of ten type 1 diabetic patients
The purpose of this study is to determine the safety of islet transplantation in patients with type 1 diabetes who have had a successful kidney transplant and have been maintained for at ...
Tacrolimus is a cornerstone of immunosuppression after transplantation but is highly susceptible to changes from interacting variables and has a narrow therapeutic index. Clotrimazole troches are comm...
Most lung transplantation immunosuppression regimens include tacrolimus. Single nucleotide polymorphisms (SNPs) in genes important to tacrolimus bioavailability and clearance (ABCB1, CYP3A4 and CYP3A5...
Tacrolimus is the most widely used immunosuppressant in solid organ transplant patients. The cytochrome P450 3A5 (CYP3A5) has been proved to be associated with tacrolimus dose requirement. Molecular d...
Concern has been raised over using tacrolimus for maintenance immunosuppression in kidney transplant recipients with known allergies to macrolide antibiotics, such as azithromycin, clarithromycin and ...
It has been proposed that islet transplants comprised primarily of small rather than large islets may provide better graft function, due to their lower susceptibility to hypoxic damage. Our aim was to...
A 12-KDa tacrolimus binding protein that is found associated with and may modulate the function of calcium release channels. It is a peptidyl-prolyl cis/trans isomerase which is inhibited by both tacrolimus (commonly called FK506) and SIROLIMUS.
A family of immunophilin proteins that bind to the immunosuppressive drugs TACROLIMUS (also known as FK506) and SIROLIMUS. EC 5.2.1.-
A macrolide compound obtained from Streptomyces hygroscopicus that acts by selectively blocking the transcriptional activation of cytokines thereby inhibiting cytokine production. It is bioactive only when bound to IMMUNOPHILINS. Sirolimus is a potent immunosuppressant and possesses both antifungal and antineoplastic properties.
A derivative of sirolimus and an inhibitor of TOR SERINE-THREONINE KINASES. It is used to prevent GRAFT REJECTION in heart and kidney transplant patients by blocking cell proliferation signals. It is also an ANTINEOPLASTIC AGENT.
Members of a family of highly conserved proteins which are all cis-trans peptidyl-prolyl isomerases (PEPTIDYLPROLYL ISOMERASE). They bind the immunosuppressant drugs CYCLOSPORINE; TACROLIMUS and SIROLIMUS. They possess rotamase activity, which is inhibited by the immunosuppressant drugs that bind to them.
Autoimmune disorders are conditions that occurs when the immune system mistakenly attacks and destroys healthy body tissue. There are more than 80 different types of autoimmune disorders. Normally the immune system's white blood cells help protect ...