Active clinical trials for "Acute-On-Chronic Liver Failure"

Acute on chronic liver failure (ACLF) is a distinct entity encompassing the acute deterioration of liver function, culminating in multiple organs failure and high short-term mortality. Currently, there are differences in definitions and descriptions between western and eastern types of ACLF, especially in the definition of chronic liver disease and its precipitating events. The CANONIC (EASL-CLIF ACLF in Cirrhosis) study put forward CLIF-SOFA (chronic liver failure-sequential organ failure assessment) scores as the clinical diagnostic criteria of ACLF in 2013. Although the Asian Pacific Association for the Study of the Liver (APASL) reached a consensus for diagnostic criteria of ACLF in 2008, it is based on expert opinion. This prospective multicenter clinical trial is launched to clarify the eastern type of ACLF (HBV related) and estimate whether the eastern and western (alcoholic related) types are homogenous. 3 key points of concern are: (1) Whether HBV and non-HBV ACLFs are belonged to a homogenous disease entity which share the same diagnostic criteria, disease grades classification and prognostic model? (2) Whether acute deteriorating patients from cirrhosis or from mild fibrosis (S1-S2) belong to a homogenous entity? (3) To clarify if there are heterogenous groups in APASL criteria diagnosed ACLF patients. 14 Chinese national wide liver centers have been included. Continuous hospitalized chronic liver disease patients of various etiologies (including both cirrhotic and non-cirrhotic) with acute decompensation (AD) or acute hepatic injury (ALI) (aminotransferase > 3NL(normal level)) will be recruited from January to December 2015. Biochemical parameters, organ failure will be collected and evaluated at day 1,4,7,14,21 and 28 after enrollment. Patients'death and LT (liver transplantation) are the primary and secondary endpoints of observation. Mortality and LT rate will be calculated at 28 days,90 days,180 days,1 year and 2 years after enrollment. Considering there will lack of liver biopsy in most of the patients, both CT and FibroScan as supplementary methods to differentiate non-cirrhotic patients. The patients will be continuously followed up once a month until the 24th month after hospital discharging and follow similar hospitalization process again whenever they have new ALI or AD. Data about the patients from stable chronic liver disease to deterioration will be acquired analyzed according to the questions hoped to resolve.

The definition and diagnostic criteria of acute-on chronic liver failure (ACLF) differed evidently between the East and the West due to the difference in the underlying etiology. Liver transplantation is the most effective treatment to reverse the progress of ACLF and improve the survival rate of patients. The purpose of this study is to explore the accuracy of the two diagnostic criteria of EASL-CLIF and APASL ACLF in assessing the survival rate of patients with liver cirrhosis after LT.

The investigators analyze the diagnostic efficacy of blood ammonia, neurophysiological/psychological tests and blood markers on MHE; to see the progression of HE under the condition of the drugs intervention and no drugs intervention in clinical real world.

ACLF and cirrhotic patient have deranged coagulation parameters and this coagulation parameters altered when this group of patients undergoing dialysis because of renal failure. this group of patients is also high risk of sepsis. Most common organ involved during sepsis leading to organ failure is renal. So, all this cascade increases the risk of bleeding as well as coagulation failure. Currently there are no studies evaluation the coagulation status in patients with cirrhosis undergoing dialysis. Further there are no studies evaluating the utility of these global tests of coagulation as a guide to judicious blood transfusion in these patients to prevent bleeding. Further there are no studies comparing the two different modalities of assessment.

This study is to investigate the long-term outcomes and prognostic risk factors in patients recovered from hepatitis B virus related acute on-chronic liver failure.

Efficient immunosuppressive therapy and improved surgical techniques have developed liver transplantation as a well-established and life-saving treatment. The 1-year survival rate of approximately 85-90%. Acute cellular rejection (ACR) is one of the main causes of liver dysfunction (LD) after liver trans- plantation, occurring 30% to 70% of transplanted patients and potentially leading to allograft failure. In addition to ACR, presence of sepsis, drug injury, viral infections like CMV or recurrence of viral hepatitis is also other causes of graft dysfunction. Laboratory tests are commonly used as less invasive methods of monitoring allograft rejection, but they are not specific to rejection and are often elevated in other types of graft dysfunction too. Till date the immunosuppressive regimen in liver transplant recipient is considered as an art in absence of an objective measures of the immune state. Therapeutic drug monitoring has little value in the assessment of the immune state and is always used as a supportive guide. The development of specific immune monitoring assays to measure the net immunosuppressive state in a transplant recipient would allow a more individualized therapeutic regimen Patients with altered gut microbiota had more chances of infection and longer course of hospital stay. Probiotics could mediate beneficial effects in graft rejection. Dysbiosis activates T cells through PAMPS and causes the inflammatory injury in the graft liver. The studies shown that lower Eubacteria, Bifidobacterium, Faecal bacterium and Lactobacillus with abundance of Enterococcus and Enterobacteriaceae. They restored to near normal after transplant in majority. This is known that there is a dysbiosis in the natural history of ACLF or decompensated cirrhosis, and often correlated to complications like-endotoxemia, sepsis, worsening liver failure and poor survival. This has led to consider fecal microbiota modulation as an emerging therapy. Liver transplant and consequent recovery, there is over all change in the recipient homeostatic milieu as well as the immune milieu and the same may be happening to the gut flora too.It's well known that liver has animprint of resident gut flora. The preliminary rat model showed alteration of gut flora to predict the development acute cellular rejection before it happens. Similarly the risk of infection is more among transplant recipients with decreased microbial diversity after liver transplant. However the data is scanty and there is an urgent need to understand the mechanism.. The present study was necessitated in view of emerging role of gut microflora and its influence on immune remodeling for the prediction of infection, rejection and may be an early biomarker for the graft dysfunction. This may be of varied cause in liver transplant recipients along with its impact on overall immune status. Uniqueness of the present study will be to understand the mechanism of development of sepsis or graft dysfunction in due course of time using high-throughput tools of single cell analysis in whole blood and gut microbiota alterations among liver transplant recipient as a cause for graft dysfunction in first year of live donor liver transplant.

Bowel colonization with anti-microbial resistant bacteria increases the risk of clinical infections. Infections caused by anti-microbial resistant bacteria have been associated with increased mortality, prolonged hospital stay, and increased costs. In addition, with the emergence of carbapenemase resistant bacterial species, there may not be any effective therapy for patients infected with such resistant species. Bowel colonization with anti-microbial resistant bacteria is an established risk factor for infections due to resistant bacteria, especially in transplanted patients and in intensive care unit. In this study we will study whether bowel colonisation in Acute on Chronic Liver Failure patient increases the risk of infection development in extra intestinal sites.

Ineffective hemostasis or a paradoxical prothrombotic state of Acute-on-chronic liver disease (ACLF) has been well established. However, the minor and major bleeding events has not been described yet. We observe the patients' major and minor bleeding events and use 4 criteria, which include BARC, ISTH, TIMI, Gusto ,to evaluate the incident rate of bleeding events in ACLF patients and pre-ACLF patients.

Patients with acute on chronic liver failure have a risk of developing multiorgan failure and a high mortality. The current scoring systems defining the outcome of patients with acute decompensation of cirrhosis fail to identify patients that progress to Acute-on-chronic liver failure (ACLF). The aim of the study is to evaluate if one can identify these patients early on with the proposed biomarkers: dimethylarginines and ischemia modified albumin.

The AARC China Study is to establish a widely recognized and harmonized standard of patients with HBV-ACLF in the Asia Pacific region.