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Clinical Trial Summary

The purpose of this pilot trial is to determine whether a conversion from calcineurin inhibitors (CNI) and mycophenolate mofetil (MMF) to a regimen consisting of efalizumab and sirolimus is associated with an increase in T regulatory cells, white cells that control the immune system and can prevent autoimmune diseases like arthritis or rejection of foreign organs,and does not result in an increase in acute rejection.


Clinical Trial Description

The objective of this pilot trial is to determine whether the conversion from calcineurin inhibitors (CNI) and mycophenolate mofetil (MMF) to efalizumab and sirolimus is associated with an increase in T regulatory cells and does not result in an increase in acute rejection following conversion. CNIs are associated with progressive nephrotoxicity, increased cardiovascular risk factor as well as an inhibitory effect on T regulatory cells.

PRIMARY OBJECTIVE:

To determine if the combination of efalizumab and sirolimus results in a significant increase in T regulatory cells. A hundred percent increase in T regulatory cells will be determined to be an important biologic effect of the combination of efalizumab and sirolimus.

SECONDARY OBJECTIVES:

To assess the feasibility of the conversion from CNI/MMF to efalizumab/sirolimus and to determine that this combination is safe and effective

To determine if there is an increase in FoxP3 mRNA in the urine of converted patients. Urine FoxP3 is believed to correlate with T regs in the kidney. ;


Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label


Related Conditions & MeSH terms


NCT number NCT00777400
Study type Interventional
Source University of California, San Francisco
Contact
Status Withdrawn
Phase Phase 1/Phase 2
Start date December 2008
Completion date April 2009

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