Document Detail

Eradication of Hepatitis C Virus Infection and the Development of Hepatocellular Carcinoma: A Meta-analysis of Observational Studies.
MedLine Citation:
PMID:  23460056     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Hepatitis C virus (HCV) is a leading cause of hepatocellular carcinoma (HCC). In the United States, this form of cancer occurs in approximately 15 000 persons annually. A systematic review of the evidence is needed to assess the benefits of treatment of HCV-infected persons on development of HCC.
PURPOSE: To systematically review observational studies to determine the association between response to HCV therapy and development of HCC among persons at any stage of fibrosis and those with advanced liver disease.
DATA SOURCES: MEDLINE, EMBASE, CINAHL, the Cochrane Library, Web of Science, and the Database of Abstracts of Reviews and Effectiveness from inception through February 2012.
STUDY SELECTION: English-language observational studies that compared therapy-derived sustained virologic response (SVR) with no response to therapy among HCV-infected persons, targeted an adult population, and had an average follow-up of at least 2 years.
DATA EXTRACTION: Two investigators independently extracted data into uniform relative risk measures. The Grading of Recommendations Assessment, Development and Evaluation framework was used to determine the quality of the evidence.
DATA SYNTHESIS: Thirty studies fulfilled the inclusion criteria, and 18 provided adjusted effect estimates that were used to calculate pooled relative risks. Among HCV-infected persons, SVR was associated with reduced risk for HCC (relative risk for all persons, 0.24 [95% CI, 0.18 to 0.31], moderate-quality evidence; advanced liver disease hazard ratio, 0.23 [CI, 0.16 to 0.35], moderate-quality evidence).
LIMITATION: In the meta-analyses, some variables could not be controlled for because of the observational design of the included studies.
CONCLUSION: Sustained virologic response after treatment among HCV-infected persons at any stage of fibrosis is associated with reduced HCC. The evidence was determined to be of moderate quality.
PRIMARY FUNDING SOURCE: Centers for Disease Control and Prevention.
Rebecca L Morgan; Brittney Baack; Bryce D Smith; Anthony Yartel; Marc Pitasi; Yngve Falck-Ytter
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annals of internal medicine     Volume:  158     ISSN:  1539-3704     ISO Abbreviation:  Ann. Intern. Med.     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-03-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372351     Medline TA:  Ann Intern Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  329-37     Citation Subset:  AIM; IM    
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