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Steroid Withdrawal in Pediatric Kidney Transplant Recipients

2014-08-27 03:56:40 | BioPortfolio

Summary

The purpose of this study is to examine the effects of withdrawing steroids on graft rejection and kidney functions in kidney transplant recipients.

Graft survival has improved in recent years in children with kidney transplants. One bad side effect of steroid maintenance therapy has been growth retardation. Doctors believe steroids might be safely withdrawn in patients that are receiving other maintenance therapies. If steroids are removed, children might catch up in their growth and also might have fewer side effects of other kinds. This study measures whether steroid therapy can be withdrawn in a way that does not increase graft rejection.

Description

Children receiving renal transplants face distressing issues in post-transplantation including growth retardation directly attributable to corticosteroids. It is hypothesized that robust immunosuppression with sirolimus and calcineurin inhibitors (cyclosporine or tacrolimus) in conjunction with induction therapy should enable successful steroid withdrawal. A steroid-free environment could lessen side effects by enabling a child to achieve catch up growth, reducing the need for anti-hypertensive therapy, and reducing the risk of cardiovascular disease. This trial tests the objective of providing a steroid-free milieu without incurring the risk of increased incidence of acute rejections.

Patients are enrolled prior to kidney transplantation and receive standard evaluations. Patients receive induction therapy with basiliximab preoperatively and on Day 4 after surgery. Immunosuppression therapy begins with sirolimus and either cyclosporine or tacrolimus on Day 1 following surgery, and with corticosteroids the day of surgery. Infection prophylaxis with Bactrim is begun on Day 1 after surgery and center-specific anti-CMV therapy is given for all recipients of a CMV positive kidney. At 6 months post-transplant all patients who have not had an episode of acute rejection undergo a graft biopsy. Patients who are confirmed to be free of subclinical rejection are randomized to either undergo complete steroid withdrawal or continue maintenance on daily steroids. Patients receive either steroids or placebo, while continuing other immunosuppressant medications. Patients are segregated into weight groups for steroid withdrawal that occurs over months 7 to 13. Any acute rejection event during withdrawal is confirmed by biopsy and managed with methylprednisolone treatment. Patients are followed for 3 years for analysis of growth rate, blood pressure, lipid profile and renal function as measured by serum creatinine and calculated creatinine clearances. Post-transplant clinic visits are weekly for the first 2 months, every 2 weeks until 13 months, weekly during Month 13, every 2 weeks through Month 18, and monthly until the study ends.

Patients who exhibit evidence of acute or subclinical rejection do not continue the steroid withdrawal trial and care is managed by their center.

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Conditions

End-Stage Renal Disease

Intervention

Basiliximab, Cyclosporine, Tacrolimus, Sirolimus, Methylprednisolone, Prednisone, Bactrim

Location

Mara Bauman
Rockville
Maryland
United States
20850

Status

Active, not recruiting

Source

National Institute of Allergy and Infectious Diseases (NIAID)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:56:40-0400

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PubMed Articles [4434 Associated PubMed Articles listed on BioPortfolio]

Pharmacokinetic Interactions Between Elbasvir/Grazoprevir and Immunosuppressant Drugs in Healthy Volunteers.

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Effect of cyclosporine, tacrolimus and sirolimus on cellular senescence in renal epithelial cells.

In transplantation medicine calcineurin inhibitors (CNI) still represent the backbone of immunosuppressive therapy. The nephrotoxic potential of the CNI Cyclosporine A (CsA) and Tacrolimus (FK506) is ...

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Medical and Biotech [MESH] Definitions

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.

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.

A family of immunophilin proteins that bind to the immunosuppressive drugs TACROLIMUS (also known as FK506) and SIROLIMUS. EC 5.2.1.-

A water-soluble ester of METHYLPREDNISOLONE used for cardiac, allergic, and hypoxic emergencies.

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.

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