Renal Transplant Clinical Trial
This study aims to better characterise B cell phenotype and functional abnormalities in kidney transplant patients producing donor specific antibody (DSA) and in those with chronic antibody mediated rejection (cAMR) and to search for a predictive tool (biomarker). The functional analysis will help to better understand B cell-dependant mechanisms implied in T cell proliferation and better target future treatments.
The principal objective is to better understand the B cell dependant mechanisms of the
chronic antibody mediated rejection (cAMR). A particular focus will be done on the
mechanisms that could explain the natural history of chronic humoral mediated rejection and
of pathways from DSA negative status toward DSA positive status and from DSA positive status
to histological lesions. The following will be undergone for three categories of patients
(stable patients, DSA positive patients without cAMR and DSA positive patients with cAMR) :
- A phenotypic analysis of B cells of patients suffering from chronic humoral rejection
or who are simply DSA positive.
- A functional analysis in autologous cultures in order to confirm our preliminary
results.
- A functional analysis in a heterologous proliferation test aiming at a better
understanding of the absence of B cell regulation of T cell proliferation in patients
suffering from cAMR.
- A cytokine analysis (IL10, alpha-tumor necrosis factor, gamma-interferon dosing), for a
better understanding of the mechanisms that are involved in the regulation of the T
cell response that is induced by the B cells.
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| Status | Clinical Trial | Phase | |
|---|---|---|---|
| Completed |
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| Completed |
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||
| Completed |
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N/A |