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NCT00345553
Little is known about the factors that cause biliary atresia nor the factors that influence disease progression. The purpose of this study is to collect the pertinent clinical information, genetic material and body fluid samples to enable investigators to address the following aims: To identify the gene or genes implicated in the etiology of BA; To characterize the natural history of the older, non-transplanted child with BA.
NCT05072626
This study is a prospective, single center and observational open clinical study.
NCT01774487
The purpose of this study is to determine whether pentoxifylline reduces liver damage in infants with biliary atresia.
NCT05909033
Many factors have been proven that may affect NLS in BA patients after KP;however,the early predictors for NLS were not be finally detected.This study was designed to evaluate and identify the preoperative and early postoperative factors associated with NLS for early prediction in BA patients after KP.
NCT05181332
The aim of this study was to developed and validated models to predict hepatic decompensation and survivals in pediatric patients with cirrhosis and compared these models with currently available models.
NCT04260503
The investigator will investigate the gut-microbiome and liver elasticity of the Biliary Atresia (BA)-patients before and after Kasai operation. The data will be analyzed according to their clinical outcomes including cholangitis to find out diagnostic makers, significantly associated with the BA-phenotypes. The decision-making tree for the BA will be updated with our data, which will strength the prognosis and prediction. The establishment of gut-liver axis, featured by cholangitis and gut-microbiome will open new pathway to treat the BA using fecal microbiota transplantation. 1. Analysis of gut-microbiome: The investigator will investigate the alteration of gut-microbiome by restoration of bile flow at diagnosis, before and after Kasai procedure. In case of cholangitis after Kasai operation, signature gut-microbiome will be analyzed, which will lead to prevention of BA-patients from cholangitis via the bacteria transplantation. 2. Analysis of elastography: In order to improve non-invasive diagnosis, The investigator will investigate the alteration of liver elasticity and hepatic blood flow before and after Kasai procedure as well as upon cholangitis and choledochal cyst. Those data will be analyzed in parallel with serum biochemical markers to be associated with pathophysiological events e.g., cholestasis, cholangitis and fibrosis.
NCT03898765
Our study aims to develop a screening test for biliary atresia (BA) using dry blood spot to improve patient survival by early diagnosis. Newborn screening dry blood spot will be examined for the direct bilirubin (DB), γ-GT or matrix metalloproteinase-7 (MMP-7) levels. These findings will promote early diagnosis for BA and hence improve the survival.
NCT02137668
The purpose of this study is twofold. First, is to determine whether vancomycin is effective in the early treatment of Biliary Atresia (BA) and Primary Sclerosing Cholangitis (PSC), and if so, by what mechanism. Secondly, to characterize human intestinal microbial communities and their interactions with the host.
NCT02471209
To evaluate the effects of sevoflurane on hepatic blood flow (HBF) and hepatic arterial buffer response (HABR) in infants with obstructive jaundice by Doppler ultrasound.Twenty-five infants with biliary atresia (1-3 months-of-age) scheduled for a Kasai procedure were enrolled. portal vein blood flow (PBF), hepatic arterial blood flow (HABF) and hepatic blood flow (HBF) were measured by Doppler ultrasound before induction, and after inhalation of 2 and 3% sevoflurane.
NCT01745991
The investigators plan to invite all children in the UK with biliary atresia, treated at the three national centres (Birmingham, Kings College and Leeds), over a three year period to take part in a randomised control study. The investigators aim to determine the effectiveness of CoSeal® Surgical Sealant (an anti-adhesive agent) in reducing intra-abdominal adhesions (scar tissue) and the morbidity caused by these adhesions in children treated with a Kasai hepatoportoenterostomy. Adhesions are common, if not invariable, after any abdominal surgery. They cause intra-abdominal organs to become stuck to each other and the abdominal wall. This means they are no longer completely free to slide over each other. In particular patients have a lifetime risk that the bowel can become kinked or twisted leading to complications such as bowel obstruction. Adhesions also make repeat abdominal operations more difficult. The adhesions have to be divided in order to separate the organs from each other and the abdominal wall. This can lead to blood loss and increases the risk of damage to these organs. Anti-adhesive agents have been created to reduce the severity of these adhesions, but there is little in the medical literature to evaluate their effectiveness, particularly in children. Biliary atresia is an obliterative obstruction of the bile ducts that occurs in infants. Initially they are treated by an abdominal operation called a Kasai portoenterostomy to restore bile flow from the liver to the intestines. However approximately 40% of these children will go on to require a liver transplant operation in the first two years of life. If CoSeal® Surgical Sealant is effective this could reduce the patients lifetime risk of complications from abdominal adhesions and also facilitate repeat abdominal operations for these children, in particular for those who go on to require a liver transplant.
NCT00155194
Null hypothesis of this study: Biliary atresia patients with cholestatic jaundice do not have systemic immunity defect.