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Hemodialysis clinical trials

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NCT ID: NCT00686751 Completed - Clinical trials for Cardiovascular Disease

Immune Effects of Vitamin D in Hemodialysis Patients

Start date: December 2004
Phase: Phase 2
Study type: Interventional

The purpose of this study to examine whether vitamin D can reduce the activation of the immune system during dialysis. When activated, the immune cells release certain substances, called cytokines, which can be measured from small blood samples. We want to study to what degree the immune system is activated during a regular dialysis treatment and whether the time point of vitamin D administration, either right before the start or right at the end of a dialysis treatment, has an impact on the activation of the immune system.

NCT ID: NCT00669721 Recruiting - Hemodialysis Clinical Trials

OPG and RANKL Plasma Level After Administration of Unfractionated Heparin (UFH) and Low-Molecular-Weight Heparin (LMWH) in Hemodialysis

Start date: March 2008
Phase: N/A
Study type: Interventional

A randomised, prospective, cross over study will be done to determine whether the anticoagulation therapy with UFH or LMWH used for hemodialysis sessions modifies osteoprotegerin and RANKL plasma levels.

NCT ID: NCT00663403 Completed - Hemodialysis Clinical Trials

Pharmacokinetics of Daptomycin in Critically Ill Patients Receiving Continuous Venovenous Hemodialysis (CVVHD)

Start date: February 2007
Phase: Phase 4
Study type: Interventional

Daptomycin is an antibiotic that is affective against many strains of antibiotic resistant microorganisms. This antibiotic would be appropriate for use in the intensive care unit (ICU) considering the severity of illness and high risk for infection within this hospital environment. While in the ICU, patients may develop acute renal failure. Approximately 75% of ICU patients who develop acute renal failure will require some form of renal replacement therapy until their kidneys recover. Continuous hemodialysis is becoming one of the most common forms of dialysis in the ICU as it is a gentle type of dialysis provided over longer periods of time. The current data demonstrating the ability of continuous hemodialysis to remove daptomycin from the body is derived from in-vitro trials. The purpose of this trial is to determine the extent of daptomycin removal from critically ill patients receiving continuous hemodialysis. Findings from this trial will be used to develop new dosing recommendations for daptomycin in continuous hemodialysis.

NCT ID: NCT00654017 Completed - Hemodialysis Clinical Trials

A Study Evaluating the Efficacy and Safety of Sildenafil in Patients With Erectile Dysfunction Receiving Hemodialysis

Start date: October 2002
Phase: Phase 4
Study type: Interventional

The study was done to evaluate the efficacy, safety, and tolerability of orally administered sildenafil taken as needed about one hour before sexual activity after a 10-week period in male outpatients with erectile dysfunction and severe renal failure who were on hemodialysis.

NCT ID: NCT00635310 Recruiting - Chronic Hepatitis B Clinical Trials

Safety Profiles of Liver Biopsy in Hemodialysis Patients With Chronic Viral Hepatitis Pre-treated With Vasopressin

Start date: January 2005
Phase: N/A
Study type: Interventional

Percutaneous liver biopsy (PLB) is the gold standard for grading necroinflammation and staging fibrosis in patients with chronic viral hepatitis. Whether the use of 1-deamino-8-D-arginine vasopressin (DDAVP) before PLBs in hemodialysis (HD) patients with chronic viral hepatitis has comparable safety profiles to those with normal renal function (NRF) has not been evaluated in prospective studies.

NCT ID: NCT00632879 Recruiting - Insulin Resistance Clinical Trials

The Study of Metabolic Syndrome in Hemodialysis Patients

Start date: March 2007
Phase: N/A
Study type: Observational

Metabolic syndrome (MS), comprised of central obesity, glucose intolerance, hyperinsulinemia, low HDL-cholesterol (HDL-C), high triglyceride (TG) and hypertension, results in markedly increased risk for cardiovascular disease in the general population. The National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP III) report recommended the use of five variables for the diagnosis of the MS including waist circumference (WC), serum TG concentration, serum HDL-C concentration, blood pressure and fasting glucose concentration. A waist circumference of 80 cm in women and 90 cm in men would better identify those with the MS in Asian populations. However, the studies of modified asian criteria of metabolic syndrome in hemodialysis (HD) patients are scarce. We will perform prevalence investigation, cross-sectional study, and prospective investigation for metabolic syndrome in our HD patients (around 360 at present). We will enroll all the patients who receive maintenance HD more than three months in our HD center. The patients who are hospitalizing, suffered from active malignancy, active infections, recent cardiovascular events and surgery will be excluded in the beginning of study. Biochemistry and anthropometric parameters including HDL-C, TG, insulin resistance index, high sensitivity C-reactive protein and WC will be collected and analyzed. We will also prospectively establish the mortality and hospitalization indices of these patients, to study the prognosis of HD patient with or without metabolic syndrome. This study will be helpful to understand whether the application of a modified criteria of metabolic syndrome in HD patients is capable to predict cardiovascular events, hospitalization and mortality rates.

NCT ID: NCT00621114 Completed - Hemodialysis Clinical Trials

Ex Vivo Microbiological Assessment of an Anti-biofilm Catheter in Acute Dialysis Application

ABBA
Start date: August 2007
Phase: N/A
Study type: Interventional

The clinical study aims at providing data on antimicrobial efficiency and a supposed additional preventive effect on catheter-related infections of a catheter with antibacterial surface coating in comparison to standard catheters without coating.

NCT ID: NCT00618033 Completed - Hemodialysis Clinical Trials

Comparison of Different Glucose Concentrations in Dialysate of Hemodialysis Patients

Dextrose
Start date: February 2008
Phase: N/A
Study type: Interventional

This study aims to show that using a glucose (sugar) concentration of 100 mg/dL in the dialysis fluid for hemodialysis is not inferior to using a concentration of 200 mg/dL with regard to the frequency and magnitude of blood glucose drops. Other parameters that will be compared between the two groups are blood pressure, heart rhythm, weight gain between dialysis treatments, and fatigue after the treatment.

NCT ID: NCT00586950 Completed - Coronary Disease Clinical Trials

123I-BMIPP SPECT Analysis for Decreasing Cardiac Events in Hemodialysis Patients

B-SAFE
Start date: June 2006
Phase: N/A
Study type: Observational

The aim of this multi-center study is to determine the applicability of BMIPP to diagnosing cardiac disease and to predicting the outcome of patients on hemodialysis.

NCT ID: NCT00583973 Completed - Inflammation Clinical Trials

Effect of Parenteral Iron Therapy on Inflammatory Response and Oxidative Stress Chronic Hemodialysis

Start date: January 2007
Phase: N/A
Study type: Observational

Parenteral iron therapy is now commonly administered to dialysis patients with the majority of patients receiving this therapy as part of the treatment for their anemia. Although intravenous iron has improved clinical response to recombinant erythropoietin, there is a concern that iron therapy may have deleterious effects in Chronic Kidney Disease (CKD) patients. Iron can damage tissues by catalyzing the conversion of hydrogen peroxide to free-radical ions that attack cellular proteins, DNA and membranes as part of oxidative stress. Numerous in vitro studies have shown tissue toxicity from iron and increased infectious potential. Oxidative stress can also lead to activation of the systemic inflammatory response with the release of a number of key cytokines and growth factors. There is now a link between inflammation, oxidative stress and acceleration of vascular disease in both patients with normal as well as reduced renal function. In a study comparing normal versus low hematocrit levels in hemodialysis patients, mortality was higher in the normal hematocrit group. The major difference between the two groups has been attributed to the fact that patients in the normal hematocrit group received significantly more iron than the patients with low hematocrit. There was a 2.4 fold greater mortality rate in patients receiving parenteral iron. The effect of parenteral iron administration on activation of the systemic inflammatory response in hemodialysis patients has not been evaluated. The purpose of this study is to measure a number of key cytokines, inflammatory and oxidative stress markers in hemodialysis patients receiving iron repletion therapy as part of their standard care.