- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02924701
sCD163 in PBC Patients - Assessment of Disease Severity and Prognosis
Macrophage Activation Marker sCD163 in PBC Patients - Assessment of Disease Severity and Prognosis
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Primary biliary cholangitis (PBC, previously called 'primary biliary cirrhosis') is an autoimmune cholestatic liver disease characterized by destruction of intrahepatic bile ducts and progression to liver fibrosis and cirrhosis. In the pre-cirrhotic phase, fatigue and pruritus are the dominant symptoms. They reduce PBC patients' quality of life, but the extent to which they cause the patient to leave the work force and seek disability pension is unknown. The diagnosis of PBC is based on the presence of two of three major criteria; unexplained serum alkaline phosphatase (ALP) >1.5 times upper normal limit for more than 24 weeks, presence of anti-mitochondrial antibodies (AMA), and compatible liver histology. Multiple models have been conducted to predict prognosis in patients with PBC. The Mayo risk score is the best validated and includes information on age, bilirubin, albumin, prothrombin time and peripheral oedema. Other prognostic factors are pruritus and fatigue at diagnosis that predict the time to develop cirrhosis and its complications.
In PBC, inflammation is attributed to an immune response to mitochondrial autoantigens followed by a serologic response of anti-mitochondrial antibodies (AMAs); and accompanied by inflammation of small bile ducts. The pathogenesis includes both CD4 and CD8 cells, which in the presence of biliary cells expressing the 2-oxo-dehydrogenase pathway (PDC-E2) activates macrophages via granulocyte macrophage colony-stimulating factor. The activated macrophages, together with AMAs, produce a proinflammatory response with subsequent liver inflammation and fibrosis. Thus, macrophages seem to be involved in PBC disease severity and progression. However, macrophage activation markers have not previously been investigated in PBC patients. The investigators' research group have during the last years investigated the macrophage activation marker sCD163. The group have shown increased levels in relation to liver fibrosis/cirrhosis in patients with chronic viral hepatitis (HBV and HCV), non-alcoholic fatty liver disease (NAFLD/NASH) and alcoholic liver disease (alcoholic hepatitis and cirrhosis) and liver disease severity including risk of portal hypertension and development of complications and mortality. Just recently the investigators' research group also demonstrated that the soluble mannose receptor (sMR) and sCD163 are associated with early and long-term prognosis of patients with cirrhosis and acute-on-chronic liver failure.
Aims:
To investigate sCD163 and sMR as markers of fibrosis and cirrhosis in PBC patients. Further, the investigators will investigate sCD163 and sMR as prognostic markers of short-term disease progression and impact on quality of life in patients followed in our liver centre. Moreover, the patients' short-term risk of requiring disability pension will be investigated. This will improve the information available for the patients regarding their short-term prognosis.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Region Midtjylland
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Aarhus C, Region Midtjylland, Denmark, 8000
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Denmark
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Diagnosed with primary biliary cholangitis
Exclusion Criteria:
- Patient under 18 years
- Expected lifetime below 6 months
- Planned liver transplantation within 6 months
- Cirrhosis from other causes (except autoimmune hepatitis)
- Liver cancer
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
PBC patients
Patients diagnosed with primary biliary cholangitis
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Disease progression (Blood samples)
Time Frame: 3 years
|
3 years
|
All-cause mortality (Information from medical journal)
Time Frame: 3 years
|
3 years
|
Liver stiffness (fibroscan)
Time Frame: 3 years
|
3 years
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Disability pension (questionnaire)
Time Frame: 3 years
|
3 years
|
Changes in quality of life (questionnaire)
Time Frame: 3 years
|
3 years
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- PBC AU 1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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