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Uremia clinical trials

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NCT ID: NCT00649298 Completed - Clinical trials for End Stage Renal Disease

A Clinical Trial of IntensiVE Dialysis

ACTIVE
Start date: May 2008
Phase: Phase 4
Study type: Interventional

This study will assess clinical outcomes of extended weekly hours of haemodialysis (>= 24 hours per week) compared with standard hours of haemodialysis (<=18 hours/week) in people with ESKD.

NCT ID: NCT00442819 Completed - Pruritus Clinical Trials

Uremic Pruritus, Cytokines and Polymethylmethacrylate Artificial Kidney

Start date: July 2006
Phase: Phase 4
Study type: Interventional

Background: Uremic pruritus is one of the common complications in long-term dialysis patients. In general, many factors including xerosis, elevated serum calcium, phosphate, calcium-phosphate product, hyperparathyroidism and inadequate dialysis may contribute to it. Recently, researchers reported that immuno-hypothesis with high serum level of cytokines could be the cause of uremic pruritus. Polymethylmethacrylate (PMMA) artificial kidney (AK) has been reported to adsorb more serum cytokines than other high flux artificial kidneys. Methods: In July 2006, 30 patients with severe uremic pruritus from 300 chronic hemodialysis patients in a single center entered this prospective study. Their dialyzers were changed to PMMA AK for 4 weeks. The severity of pruritus was evaluated every week using the results of a questionnaire (pruritus score). Laboratory assays including pre-dialysis serum blood urea nitrogen, creatinine, β2-microgblubulin (β2M), calcium, phosphate, intact parathyroid hormone (iPTH), total CO2, ferritin, hematocrit, high sensitivity C-reactive protein (hsCRP), IL-1, IL-2, IL-6, IL-18, TNF-α, KT/V and β2M clearance were measured before and at the end of 4 weeks of PMMA AK use. Expected Results:To prove the PMMA membrane could improve the uremic pruritus and to reveal the effect of PMMA membrane on serum level of possible factors contributing to uremic pruritus.

NCT ID: NCT00388648 Completed - Dialysis Clinical Trials

Very Low Protein Diet or Dialysis in Uremic Elderly?

Start date: January 2000
Phase: Phase 4
Study type: Interventional

There are no solid data on the real advantage of an early start of dialysis, as suggested by the DOQI guidelines. Uremic patients frequently have a poor nutritional status. However, we cannot distinguish between the detrimental effect on nutrition of too low a residual renal function or too long a period of low protein-diet, per se. However, it appears that a very-low-protein diet (VLPD) supplemented with essential amino acids and keto-analogs of amino acids, and with an adequate quantity of calories, can prevent hypoalbuminemia at the start of dialysis and can slow the progression of chronic renal failure. EDTA and USRDS data suggest that most patients starting dialysis nowadays are elderly, who also have the highest incidence of morbidity and mortality. Moreover, hospitalization rate becomes higher after the start of dialysis compared to the pre-dialysis period. Can an aminoacid-supplemented VLPD, prolonged beyond the GFR limits suggested by DOQI, offer elderly patients better survival and better quality of life than dialysis? The answer can only come from a prospective, randomized trial, in elderly patients, starting at the GFR values suggested by the NKF-DOQI for starting dialysis, comparing outcomes with a vegetarian VLPD supplemented with a mixture of keto-analogs of amino acids and essential amino acids, and with dialysis.

NCT ID: NCT00317005 Completed - Clinical trials for Cardiovascular Disease

Uremic Hyperhomocysteinemia -A Folate Trial for Possible Prevention of Cardiovascular Events

Start date: April 2003
Phase: Phase 4
Study type: Interventional

Homocysteine recently gained access to the category of risk factor for the development of atherosclerotic cardiovascular disease in the general population. Chronic renal failure patients, even before being introduced to dialysis therapy have almost universal elevation of serum homocysteine; when on dialysis their mortality is above 50% related to cardiovascular disease that we might now speculate, with a contribution of potentially toxic levels of the aminoacid homocysteine.