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DEFINING THE GENETIC DRIVERS OF ADULT-ONSET CHOLESTATIC LIVER DISEASE
Sponsor: Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Summary
Cholestatic disease in adults comprises a heterogeneous group of conditions characterized by intra- or extrahepatic alterations of bile flow that can lead to fibrosis or hepatic decompensation. Due to the heterogeneity of clinical manifestation, which is sometimes very subtle, diagnosis based on clinical, histological, and radiological evaluation is often very complicated. Genetic testing can be helpful in identifying the cause of the clinical phenotype, thereby allowing for targeted follow-up adequate to the patient's specific characteristics and risk factors. Although the utility of genetic analysis has been well documented for other liver diseases or in pediatric cohorts of children with cholestatic disease, the use and benefits of genetic testing in adults with cholestatic disease are still little explored and investigated. In this context, through the use of whole-genome sequencing (WGS), the FIRST project aims to evaluate the role of rare genetic variants in the pathogenesis of cholestatic disease and the utility of WGS in defining a genetic diagnosis.
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2025-11-01
Completion Date
2026-10-31
Last Updated
2026-03-27
Healthy Volunteers
Yes
Interventions
Advanced Whole Genome Sequencing to Identify Rare Pathogenic Variants in Unexplained Cholestatic Liver Disease
The intervention consists of advanced genetic analysis to identify the presence of rare harmful variants in genes known to be associated with cholestasis or in other genes related to liver disorders. The results from the cases will be compared with WGS data from a large group of 1025 healthy controls (previously collected within the FOGS study) to assess the enrichment of these variants. The primary objective is to establish the prevalence of pathogenic variants, while secondary objectives include identifying new potential genetic determinants to improve diagnostic accuracy and optimize the clinical management of these complex conditions.
Locations (1)
Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico - Istituto di Ricovero e Cura a Carattere Scientifico di natura pubblica
Milan, Milano, Italy