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Acute kidney allograft rejection is the major cause for a loss of graft function and has a negative impact on long-term graft survival. Anti-rejection therapy traditionally focuses on T cell-mediated mechanisms of renal allograft rejection. However, available agents that affect T-cell pathways have only little impact on long-term graft survival. There is increasing evidence that B-cells play an important role in acute transplant rejections. CD20+ B cell infiltrates in acute T-cell mediated rejections are frequent and correlate with a worse response to conventional anti-rejection treatment and an increased risk of graft loss. In one pilot study, supported by several case reports, a beneficial effect of Rituximab for the treatment of acute rejection episodes with intrarenal B-cell infiltrates was shown. However, despite the promise of these observations solid evidence is required before incorporating this treatment option into a general treatment recommendation.
In a multicenter randomized placebo controlled double blind phase III trial the investigators want to demonstrate that Rituximab in addition to standard treatment with steroid-boli is superior to the standard treatment alone regarding long-term kidney function. If the proposed study proves that Rituximab treatment of acute rejections is beneficial for the long-term allograft function, the conventional rejection therapy needs to be revised to this novel concept of B- cell targeting
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
Acute Cellular Rejection
Hannover Medical School
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Hannover Medical School
Published on BioPortfolio: 2014-08-27T03:13:54-0400
Acute cellular rejection is relatively common after liver transplantation, typically does not affect graft survival, and is not associated with the development of chronic rejection. Acute ...
Our standard immunosuppressive treatment after renal transplantation is a combination of tacrolimus, mycophenolate mofetil, and prednisolone. With this regimen the incidence of acute rejec...
Rituximab (a monoclonal antibody raised against CD20) is used to treat various immune disorders. In some cases such as treatment of humoral acute rejection of renal transplant, thrombotic ...
About one third of prospective kidney transplant recipients have antibodies in their blood directed against the tissues of their only available kidney donor. Recently, "desensitisation" tr...
The development of acute rejection can only be considered in cases with increasing serum creatinine in patients with kidney transplantation. However, the serum creatinine itself is not spe...
Little data exists comparing outcomes following BK nephropathy (BKN) versus acute rejection. We reviewed outcomes among recipients who had a primary diagnosis of biopsy-proven BKN or rejection between...
Serum sickness is a hypersensitivity reaction to proteins in antiserum derived from nonhuman animal sources and can be seen in patients being treated with antiserum to prevent transplant rejection. Se...
Acute rejection (AR) is a major complication post renal transplantation, with no widely-accepted non-invasive biomarker. This study aimed to explore the expression profiles of long non-coding RNAs (ln...
Outcomes of ACR after pediatric HTx have been well described, but less has been reported on outcomes of AMR. We compared the clinical characteristics and cardiovascular outcomes (composite end-point o...
Despite advances in immunosuppression, acute allograft rejection remains one of the key factors affecting patient and graft survival in pediatric kidney transplantation. The aim of the study is to eva...
A general term for the complex phenomena involved in allo- and xenograft rejection by a host and graft vs host reaction. Although the reactions involved in transplantation immunology are primarily thymus-dependent phenomena of cellular immunity, humoral factors also play a part in late rejection.
Non-acceptance, negative attitudes, hostility or excessive criticism of the individual which may precipitate feelings of rejection.
An immune response with both cellular and humoral components, directed against an allogeneic transplant, whose tissue antigens are not compatible with those of the recipient.
A murine-derived monoclonal antibody and ANTINEOPLASTIC AGENT that binds specifically to the CD20 ANTIGEN and is used in the treatment of LEUKEMIA; LYMPHOMA and RHEUMATOID ARTHRITIS.
Misunderstanding among individuals, frequently research subjects, of scientific methods such as randomization and placebo controls.