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Campath, Calcineurin Inhibitor Reduction and Chronic Allograft Nephropathy

2014-08-27 03:13:52 | BioPortfolio

Summary

The 3C study will investigate whether reducing exposure to calcineurin inhibitors (by using more potent antibody induction treatment and/or an elective switch to sirolimus) can improve the function and survival of kidney transplants.

Description

The long-term survival of kidney transplants has not improved over the past decade despite reductions in the rate of acute rejection. The commonest cause of late graft loss is chronic allograft nephropathy which is frequently caused by calcineurin inhibitor toxicity. Therefore, it may be possible to improve long-term graft outcomes by reducing the amount of calcineurin inhibitor exposure.

Two possible strategies to do this will be tested. Firstly, Campath-1H (a monoclonal lymphocyte-depleting antibody) will be compared to standard basiliximab-based induction. All patients will then receive tacrolimus-based maintenance therapy for 6 months (using lower doses in the Campath-1H arm).

At six months, patients will be re-randomised between remaining on tacrolimus and converting to sirolimus (and therefore no longer take calcineurin inhibitors). Patients will then be followed-up in clinic and through routine NHS registries to collect information on relevant outcomes (including graft function, survival, hospitalisations and death).

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Factorial Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Kidney Transplantation

Intervention

Alemtuzumab, Basiliximab, Sirolimus, Tacrolimus

Location

Oxford Radcliffe Hospitals NHS Trust
Oxford
Oxon
United Kingdom
OX3 7LJ

Status

Not yet recruiting

Source

University of Oxford

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:13:52-0400

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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.

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

The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION.

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.

The transference of a kidney from one human or animal to another.

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Nephrology - kidney function
Nephrology is a specialty of medicine and pediatrics that concerns itself with the study of normal kidney function, kidney problems, the treatment of kidney problems and renal replacement therapy (dialysis and kidney transplantation). Systemic conditions...


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