- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01161953
Genetic Epidemiology of Primary Biliary Cirrhosis (PBC)
Understanding the Genetic Predisposition to the Development of Primary Biliary Cirrhosis (PBC).
Primary Biliary Cirrhosis (PBC) is a progressive liver disorder of unknown cause. Current evidence suggests that genes, the genetic material we inherit from our parents, in combination with environmental factors, likely play an important role in the development of PBC.
This study is being done to investigate whether genes make people more likely to develop PBC. Discovery of these proposed genes will help us better understand how PBC developes, and subsequently, to apply new approaches for its prevention, diagnosis and treatment.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Locations
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Minnesota
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Rochester, Minnesota, United States, 55901
- Mayo Clinic
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Men and women between the ages of 18-90 who have a history of PBC.
- PBC patients who have undergone a liver transplant are eligible.
- Family members (1st degree relatives) of enrolled PBC patients are eligible.
Exclusion Criteria:
- Individuals with no history of PBC or those unable to provide consent.
Study Plan
How is the study designed?
Design Details
- Observational Models: Family-Based
- Time Perspectives: Other
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
---|---|
Mapping of Susceptibility Genes in Adult Chronic Cholestatic Liver Diseases
|
Adult chronic cholestatic liver diseases, such as Primary Biliary Cirrhosis (PBC), are progressive liver disorders of unknown cause. Current evidence suggests that genes, the genetic material we inherit from our parents, in combination with environmental factors, likely play an important role in the development of PBC. This study is being done to investigate whether genes (the inherited genetic material passed from parents to their children) make people more likely to develop PBC. Discovery of these proposed genes will help us to better understand how PBC progresses, and subsequently, to apply new approaches for its prevention, diagnosis and treatment. |
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Konstantinos N Lazaridis, M.D., Mayo Clinic
Publications and helpful links
General Publications
- Lazaridis KN, Juran BD, Boe GM, Slusser JP, de Andrade M, Homburger HA, Ghosh K, Dickson ER, Lindor KD, Petersen GM. Increased prevalence of antimitochondrial antibodies in first-degree relatives of patients with primary biliary cirrhosis. Hepatology. 2007 Sep;46(3):785-92. doi: 10.1002/hep.21749.
- Juran BD, Atkinson EJ, Larson JJ, Schlicht EM, Liu X, Heathcote EJ, Hirschfield GM, Siminovitch KA, Lazaridis KN. Carriage of a tumor necrosis factor polymorphism amplifies the cytotoxic T-lymphocyte antigen 4 attributed risk of primary biliary cirrhosis: evidence for a gene-gene interaction. Hepatology. 2010 Jul;52(1):223-9. doi: 10.1002/hep.23667.
- Juran BD, Atkinson EJ, Larson JJ, Schlicht EM, Lazaridis KN. Common genetic variation and haplotypes of the anion exchanger SLC4A2 in primary biliary cirrhosis. Am J Gastroenterol. 2009 Jun;104(6):1406-11. doi: 10.1038/ajg.2009.103. Epub 2009 Apr 21.
- Juran BD, Atkinson EJ, Schlicht EM, Fridley BL, Petersen GM, Lazaridis KN. Interacting alleles of the coinhibitory immunoreceptor genes cytotoxic T-lymphocyte antigen 4 and programmed cell-death 1 influence risk and features of primary biliary cirrhosis. Hepatology. 2008 Feb;47(2):563-70. doi: 10.1002/hep.22048.
- Juran BD, Atkinson EJ, Schlicht EM, Fridley BL, Lazaridis KN. Primary biliary cirrhosis is associated with a genetic variant in the 3' flanking region of the CTLA4 gene. Gastroenterology. 2008 Oct;135(4):1200-6. doi: 10.1053/j.gastro.2008.06.077. Epub 2008 Jul 1.
- Lammert C, Nguyen DL, Juran BD, Schlicht E, Larson JJ, Atkinson EJ, Lazaridis KN. Questionnaire based assessment of risk factors for primary biliary cirrhosis. Dig Liver Dis. 2013 Jul;45(7):589-94. doi: 10.1016/j.dld.2013.01.028. Epub 2013 Mar 11.
- Lammert C, Juran BD, Schlicht E, Chan LL, Atkinson EJ, de Andrade M, Lazaridis KN. Biochemical response to ursodeoxycholic acid predicts survival in a North American cohort of primary biliary cirrhosis patients. J Gastroenterol. 2014 Oct;49(10):1414-20. doi: 10.1007/s00535-013-0903-1. Epub 2013 Dec 8.
- Lammert C, Juran BD, Schlicht E, Xie X, Atkinson EJ, de Andrade M, Lazaridis KN. Reduced coffee consumption among individuals with primary sclerosing cholangitis but not primary biliary cirrhosis. Clin Gastroenterol Hepatol. 2014 Sep;12(9):1562-8. doi: 10.1016/j.cgh.2013.12.036. Epub 2014 Jan 16.
Study record dates
Study Major Dates
Study Start
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 670-02 PBC
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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