NPD Measurements in PSC Patients

Status Not yet recruiting

Clinical Trial Summary

Primary Sclerosing Cholangitis (PSC) is a chronic disorder of the liver causing jaundice and liver damage. When Cystic Fibrosis affects the liver, the damaged liver looks like the liver in PSC. This study is designed to answer the question whether isolated PSC may be a form of CF only in the liver

Clinical Trial Description

Cystic Fibrosis (CF) is a progressive autosomal recessive disorder caused by defects in the cystic fibrosis transmembrane conductance regulator gene (CFTR). CFTR mutations cause loss or impairment of CFTR-mediated ion transport across epithelial cell membranes. CF affects many organs including the respiratory tract, pancreas, intestine, liver and the male reproductive tract. Liver disease occurs less frequently than pulmonary disease. CFTR is expressed in the bile duct epithelial cells and is responsible for the hydration of biliary secretions.

CF was until recently, thought to be a multi-organ disease. However, there are now recognized non-classical presentations of CF involving a few organs only and now there is well established data on single -organ involvement including Congenital Absence of the Vas Deferens and recurrent pancreatitis.

CF and PSC have several features in common. They both affect intrahepatic bile ducts by inspisated biliary secretions, chronic inflammation and fibrosis. Is PSC the "single-organ presentation" of CF? Patients with PSC will undergo testing of the CF protein channel by nasal potential testing. This test is performed by insering a thin plastic tube 2 to 3 cms into the nostril and chloride transport can be measured. This test may shows that the patient has an abnormality in the CF protein channel. ;

Study Design

Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00476814
Study type	Observational
Source	Hadassah Medical Organization
Contact	Michael Wilschanski, Dr.
Phone	972-2-5844922
Email	michaelwil@hadassah.org.il
Status	Not yet recruiting
Phase	N/A

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