View clinical trials related to Cardiac Transplantation.
Filter by:There are several factors initiating cytokine storm and dysregulated systemic inflammatory response during cardiac transplantation. This may lead to serious perioperative complications: circulatory collapse, respiratory insufficiency, acute renal and liver failure, multi-organ dysfunction etc. On the other hand the high level of cytokines may play an important role in the development of graft rejection which is still a relevant problem in this patient group. There are some new data showing that the use of extracorporeal cytokine adsorber during long cardiopulmonary bypass time (>120min) may be beneficial to prevent SIRS (Systemic Inflammatory Response Syndrome) with decreasing the level of cytokines in patients undergoing elective cardiac surgery. However there is lack of data and studies regarding the effect of extracorporeal cytokine adsorption during cardiac transplantation. The aim of the study is to investigate the effect of extracorporeal cytokine adsorber built in the cardiopulmonary bypass circle during heart transplantation. The hypothesis is that removal of cytokines during heart transplantation prevents the development of extreme systemic inflammatory response, hemodynamic collapse dominated by vasoplegia, and contribute to reduce the incidence of severe perioperative complications and early graft rejection.
The purpose of this study is to evaluate the level of expression of 4 circulating microRNAs in the serum using RT-PCR. A pilote study with cardiac transplant patients has shown that expression of these microRNAs could discriminate patients with a histologically proven rejection from patient displaying a normal endomyocardial biopsy. The signature must be confirmed in unselected patients and its stability evaluated according to clinical, biological and immunological parameters of included patients.
This study is a multicenter, non-randomized, retrospective study to collect long term (4 years post-transplant) clinical outcome data on subjects previously enrolled in the CTOT-05 study (NCT00466804) to evaluate participant and graft survival.
The purpose of this study, in de novo heart transplant patients, is to evaluate whether delayed introduction of everolimus reduces the occurrence of wound healing problems, pericardial and/or pleural effusion and early acute renal insufficiency, as compared with immediate introduction of everolimus, in the firs six months after heart transplantation.
After transplantation, renal impairment, incidence and progression of atherosclerosis lead to modification of immunosuppressive regimens, as switch, reduction or discontinuation of CNI and/or introduction of everolimus. The risk or benefits of these strategies were not clearly evaluated by specific clinical trials. This study is specifically designed for evaluating the impact of everolimus introduction, with calcineurin dose reduction, at less one year after cardiac transplantation, on renal and clinical outcomes, specially on : - Renal function improvement - Vasculopathy and major cardiac event reduction - Maintenance of immunosuppressive efficacy
The goal of this study is to detect AR and CR in the transplanted heart by quantitative assessment of myocardial blood flow and its constituents by myocardial contrast echocardiography (MCE). Further we investigate the collateral circulation in these patients.
The purpose of the study is to determine the extent of cyclosporine microemulsion dose reduction required to maintain stable renal function in maintenance cardiac transplant recipients, after initiation of everolimus.
During the first year after a heart transplant, people often rapidly lose bone from their spine and hips. About 35 percent of people who receive heart transplants will suffer broken bones during the first year after transplantation. This study will compare the safety and effectiveness of the drug alendronate (Fosamax) and the active form of vitamin D (calcitriol) in preventing bone loss at the spine and hip after a heart transplant. In this study, people who have had a successful heart transplant will receive either active alendronate and a "dummy pill" instead of calcitriol, or active calcitriol and a dummy pill instead of alendronate for the first year after their transplant, starting within 1 month after transplant surgery. We will measure bone density in the hip and spine at the start of the study and after 6 and 12 months, and will also check for broken bones in the spine. This research should lead to ways of preventing this crippling form of osteoporosis.