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The Liver Cirrhosis Network Cohort Study: Cirrhosis Definition, Study Population, and Endpoints
Elliot B Tapper1, David Goldberg2, Neehar D Parikh1
1Division of Gastroenterology and Hepatology, University of Michigan, Ann Arbor, Michigan, USA.
Insights
The Liver Cirrhosis Network (LCN) established a prospective cohort study to track compensated cirrhosis patients. Standardized definitions for cirrhosis and its outcomes were created to accurately predict disease progression and improve patient care.
Area of Science:
- Hepatology and Gastroenterology
- Clinical Trial Design
- Patient Outcomes Research
Background:
- The Liver Cirrhosis Network (LCN) aims to predict hepatic decompensation in Child A cirrhosis patients.
- Understanding the natural history of compensated cirrhosis is crucial for patient management.
Purpose of the Study:
- To develop and implement a prospective cohort study for patients with compensated cirrhosis.
- To establish standardized definitions for cirrhosis and liver-related outcomes.
- To describe and predict clinical events and patient-reported outcomes.
Main Methods:
- A multicenter prospective cohort study was designed.
- A pragmatic definition of compensated cirrhosis was developed using clinical, lab, imaging, and histology data.
- Standardized definitions for key liver-related outcomes were codified.
Main Results:
- A prospective cohort study protocol was established.
- Pragmatic and standardized definitions for compensated cirrhosis and its complications (ascites, encephalopathy, variceal hemorrhage, HCC) were created.
- The study aims to describe and predict incident clinical events and patient-reported outcomes.
Conclusions:
- The LCN Cohort Study design will elucidate the natural history of cirrhosis in contemporary patients.
- Standardized definitions enhance accuracy and generalizability of outcome reporting in multicenter studies.
- The developed criteria facilitate accurate and consistent identification of critical outcomes.
Introduction:
One of the primary goals of the Liver Cirrhosis Network (LCN) is to develop a cohort study to better understand and predict the risk of hepatic decompensation and other clinical and patient-reported outcomes among patients with Child A cirrhosis.
Methods:
The LCN consists of a Scientific Data Coordinating Center and 10 clinical centers whose investigators populate multiple committees. The LCN Definitions and Measurements Committee developed preliminary definitions of cirrhosis and its complications by literature review, expert opinion, and reviewing definition documents developed by other organizations. The Cohort Committee developed the study protocol with the input of the steering committee.
Results:
The LCN developed a prospective cohort study to describe and predict the rates of incident clinical events pertaining to first decompensation and patient-reported outcomes. The LCN developed a pragmatic definition of compensated cirrhosis incorporating clinical, laboratory, imaging, and histological criteria. Definitions of incident and recompensated ascites, overt hepatic encephalopathy, variceal hemorrhage, bleeding because of portal gastropathy, and hepatocellular carcinoma were also codified.
Discussion:
The LCN Cohort Study design will inform the natural history of cirrhosis in contemporary patients with compensated cirrhosis. The LCN Definitions and Measures Committee developed criteria for the definition of cirrhosis to standardize entry into this multicenter cohort study and standardized criteria for liver-related outcome measures. This effort has produced definitions intended to be both sensitive and specific as well as easily operationalized by study staff such that outcomes critical to the LCN cohort are identified and reported in an accurate and generalizable fashion.
Registration:
NCT05740358.
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