Active clinical trials for "Hepatorenal Syndrome"

Heptorenal syndrome (HRS) is divided into two types. A non-acute kidney injury (NAKI-HRS), which is predominantly related to end-stage disease and a more acute kidney injury (HRS-AKI). HRS-AKI is potentially reversible and develops subsequent to aggravation of a systemic circulatory vasodilatation, that triggers renal vasoconstriction and deteriorates renal perfusion and function. The albumin and terlipressin response is evaluated clinically, routinely for a week and reduces mortality with 23% compared to no treatment. Only 40-50% of the patients with HRS-AKI respond to the treatment with terlipressin. The treatment of hepatorenal syndrome (HRS-AKI) is aimed at improving blood flow to the kidneys. Flow changes associated to development of HRS have only sparsely been studied and not previously by MR technique and no previous studies have evaluated changes in flow induced by terlipressin. It has been hypothesized that development of HRS is associated to a deterioration in heart function with development of cardiomyopathy, which together with renal vasoconstriction leads to renal failure. Simultaneous MR-assessments of cardiac function and flows (especially the renal flow) in HRS-AKI have not previously been performed. The aim of the project is to develop new, fast and non-invasive methods to evaluate hemodynamic changes and individual pharmacological terlipressin response in patients with acute hepatorenal syndrome (type HRS-AKI) We expect a higher increase in renal blood flow in terlipressin-responders compared to terlipressin-non-responders and non-responders will generally have a lower basic renal flow and a decreased cardiac output. Study design and patients The study design is experimental and includes 30 cirrhotic patients with HRS-AKI. Patients with HRS-AKI are MR scanned before and 17 minutes after their first dose of terlipressin. ECHO is performed before first dose of Terlipressin and is repeated after one of the first doses of terlipressin. Clinically efficacy is defined in accordance to international guidelines at day-7 and 90 days mortality is registered. The screening period and treatments follow international and national guidelines for acute renal failure in patients with cirrhosis.

Introduction Liver resection is considered the only curative treatment option for mCRC patients without extrahepatic disease and is accepted practice. Despite substantial improvements in surgical techniques, postoperative morbidity and mortality remain an important concern after major resections. Complications of liver resection, although rare, include liver failure and acute kidney injury as indicated by oliguria and increased serum creatinine. The underlying pathophysiological pathways of post-operative renal alteration following liver resection is an increase in portal venous pressure, based on observations in animal models or small cohorts. The corpus of data is derived from patients with liver cirrhosis and subsequent hepatorenal syndrome. These data are limited since cirrhosis cannot distinguish between metabolic changes, portal hypertension and impaired liver function in the elucidation of the pathogenesis of renal alterations. Liver resection is therefore a potent model to evaluate the impact of portal hypertension on the kidney despite stable liver function. The most significant factor determining morbidity and mortality following hepatectomy is the ability of the remnant liver to regenerate. In this context, several growth factors were shown to regulate the highly orchestrated process of liver regeneration (LR). Hypothesis The investigators will therefore test the hypothesis that liver resection leads to a sustained increase of portalvenous pressure with a subsequent episode of oliguric renal impairment, correlating with the quantity of resected liver. Furthermore, the investigators will examine the relationship between postoperative liver regeneration and circulating growth factor levels in patients undergoing hepatectomy. Based on the preclinical data the investigators hypothesize that a circulating growth factor levels will be associated with delayed liver regeneration, an increased incidence of postoperative liver dysfunction and concomitant worse clinical outcome.

Hepatorenal syndrome is a life-threatening medical condition and a serious complication of advanced liver scarring (cirrhosis). It consists of a deterioration of the function of the kidneys caused by a severe alteration in the circulation (blood flow to the kidneys) due to liver cirrhosis. Only around half of the patients respond to treatment which consists of intravenous medication. Moreover, the adrenal glands, which are located on the kidneys, also suffer an alteration in the blood flow leading to deterioration in their function as well. Thus, these patients produced less cortisol than needed; this situation is called "relative adrenal insufficiency". Cortisol is an important hormone necessary in extreme situations such as severe diseases. This is a study which will assess the relationship between the presence of adrenal dysfunction and failure to treatment in patients with hepatorenal syndrome.

The purpose of this study is to test the accuracy of urinary neutrophil-gelatinase associated lipocalin (NGAL) and other biomarkers (plasma renin, norepinephrine) to predict acute kidney injury (AKI) development in patients with cirrhosis and bacterial infection and to predict response to AKI treatment with albumin and albumin with terlipressin in patients with suspected hepatorenal syndrome.

This study investigated the use of novel plasma and urinary biomarkers to predicte the development of hepatorenal syndrome in patients with advanced cirrhosis. The biomarkers investigated include plasma cystatin C, plasma NGAL, plasma NAG, plasma IL-18, plasma ADMA, plasma BTP, urinary KIM-1 and urinary LFABP. These biomarkers will be checked in advanced cirrhotic patients who have or have not developed hepatorenal syndrome and compared between the two groups. These biomarkers will also be correlated with the occurence of hepatorenal syndrome.

The aim of this study is to investigate i) whether two biomarkers (urine NAG, urinary cystatin C) could be predictive factor in patient with liver cirrhosis, , and ii) whether these biomarkers can predict response of terlipressin.