View clinical trials related to Living Donors.
Filter by:Development of renal fibrosis is the irreversible culmination of various renal diseases and independently predicts adverse outcomes. Currently renal fibrosis can only be diagnosed by performing a renal biopsy. The procedure is invasive and is limited by sampling bias. In recent years there has been a significant development in magnetic resonance imaging (MRI) based techniques. MRI can provide highly detailed anatomical images. Other MRI measures allow quantitative measurements of perfusion, oxygenation, tissue stiffness and diffusion of water molecules within tissue. The combination of several MRI techniques sensitive to different biophysical tissue properties in a single scan session is referred to as multiparametric MRI (mpMRI). Emerging evidence suggests that mpMRI could represent a method for indirect characterization of renal microstructure and extent of fibrosis. So far, studies performed in living kidney donors and recipients have been mostly cross-sectional. For mpMRI to transition to the clinical setting there is a need for validation of MRI-based measures with currently used gold-standard methods for quantifying renal function and fibrosis. The aim of this prospective follow-up study in a cohort of living kidney donors, recipients and healthy controls is to investigate the utility of repeated mpMRI over a period of 2 years. MRI-based measures will be compared to current gold-standard methods for quantifying renal function and fibrosis. The investigators hypothesize that there will be significant correlations between MRI-based measures, renal function determined by precise measurement of glomerular filtration rate and extent of fibrosis determined by renal biopsy. MRI-based measures are expected to be predictive of renal function decline and development of renal fibrosis. This study could provide valuable data that will be helpful in moving the field of renal mpMRI forward, with the goal of providing a novel and non-invasive method for the diagnosis of renal pathology.
The investigators are interested in whether or not the use of a mobile health (mHealth) application increases the rate of follow-up compliance among living kidney donors. The investigators aim to test this by randomly assigning living kidney donors to the intervention (use of mHealth application to complete required living kidney donor follow-up at 6 months, 1 year, and 2 years) or control arm (standard of care) upon discharge from their initial donation hospitalization, and tracking follow-up compliance over time. The study population will be approximately 400 living kidney donors who undergo donor nephrectomy at Methodist Specialty and Transplant Hospital (200/year for 2 years). The investigators will also recruit patients from the Vanderbilt University Medical Center into the study, however, these study participants are not a part of the Pilot Randomized Clinical Trial (RCT).
This study evaluates whether using small financial incentives increases patient compliance with nationally-mandated living kidney donor follow-up at 6-months, 1-year, and 2-years after donation. Half of participants will receive a financial incentive (mailed gift card) after completing required follow-up activities (brief questionnaire and lab draw), while the other half will be asked to complete the required follow-up activities but will not receive a financial incentive (current standard of care).
An organ transplant is frequently the best option and, in some cases, the only option to save the lives of transplant recipients. Receiving an organ from a living donor eliminates the need to wait for a deceased donor, an option that many transplant recipients do not survive. However, donating an organ presents health concerns to the donor as well. This study will use surveys to evaluate the understanding of risk and psychological pressure that living organ donors felt when making the decision to donate. It will also compare participants' answers across geographic, racial and socio-economic backgrounds.
Laparoscopic nephrectomy (removal of the kidney) is the most common procedure for people donating a kidney to be used for living donor kidney transplantation. Laparoscopic donor nephrectomy (LDN) was a great advance in the field of living donor kidney transplantation due to the many advantages it offers over open nephrectomy, including significantly shorter hospitalization and recovery time, and significantly improved cosmetic result related to the nephrectomy scar(s). More recently, a new procedure has been introduced to the field of laparoscopic nephrectomy, called laparoendoscopic single site donor nephrectomy (LESS-DN). In the LESS-DN procedure, a single natural orifice (the umbilicus or belly button) is used as the single incision site through which the entire donor nephrectomy is performed. The LESS-DN procedure may further decrease donor morbidity by further decreasing length of stay, lessening recovery time, and improving satisfaction with the surgical scar. The investigators propose to evaluate conventional LDN versus a LESS-DN in a randomized, controlled trial in living kidney donors. The investigators will compare operative times and intra-operative donor management, intra- and post-operative complications, pain scores, analgesic requirements, length of stay, recovery parameters, surgical scar satisfaction, and function and survival of the transplanted kidney for the two groups of subjects: (1) the group that has the conventional laparoscopic donor nephrectomy; and, (2) the group that has the laparoendoscopic single site donor nephrectomy.
The aim of this study is to determine the validity of two tests on bone marrow of sensitized kidney transplant recipients in order to better understand why these patients with antibodies against their donors are at a greater risk of rejection of their transplanted organs.
This project comprises immunological and virological analyses within a prospective clinical study of Rituximab (Rtx)-treated blood group incompatible living donor (LD) renal transplant recipients compared to blood group compatible LD recipients without Rtx induction, and of living donor compared to deceased donor renal transplant recipients treated with tacrolimus (Tacr)/mycophenolate sodium (MPS). Aim of this project is to assess short- and long-term effects of immunosuppressive therapy (Rtx induction) and of living donation on immunological and histological parameters of graft outcome and on viral replication (BK virus (BKV), JC virus (JCV), cytomegalovirus (CMV), Epstein Barr virus (EBV)) with the potential to improve long-term graft outcome and to enable risk estimation of virus disease.
The aim of the study is to investigate if perioperative administration of pregabalin vil reduce postoperative pain and the postoperative need for intravenous opioids compared with todays standard treatment which consist of paracetamol, corticoids and ketobemidone. In addition potential sideeffects as sedation and effect on cognitive function will be recorded.
The purpose of this study is to observe in a randomized prospective study the effectiveness and toxicity of Thymoglobulin vs. Campath-1H used for induction therapy in recipients of living donor (LD) kidneys, compared with the investigators standard treatment protocol of Zenapax® and maintenance immunosuppression.
Consecutive living-kidney donor candidates (n=100) will be recruited after being accepted for donation according to official guidelines. An assessment of salt sensitivity, 11 beta HSD activity, 24 hour blood pressure, urine collection and physical exam will be performed prior nephrectomy and 14, 52, 156, 208 days post-nephrectomy.