Association of chronic hepatitis C virus infection with an increased risk of lung cancer: A systematic review and meta-analysis.

Authors

Ben Ponvilawan

Ben Ponvilawan

Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand

Ben Ponvilawan , Nipith Charoenngam , Pongprueth Rujirachun , Phuuwadith Wattanachayakul , Surapa Tornsatitkul , Thanitsara Rittiphairoj , Patompong Ungprasert

Organizations

Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, Baltimore, MD, Clinical Epidemiology Unit, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand

Research Funding

No funding received
None

Background: Chronic hepatitis C virus (HCV) infection is associated with increased risk of multiple types of extrahepatic cancer, such as lymphomas, thyroid cancer and renal cancer. However, whether HCV infection also increases the risk of lung cancer is still inconclusive. This systematic review and meta-analysis was performed in order to determine the relationship between chronic HCV infection and lung cancer. Methods: A systematic review was performed using EMBASE and MEDLINE databases from inception to November 2019 with search strategy that represents “hepatitis C virus” and “cancer”. Eligible studies must be cohort studies which include patients with chronic HCV infection and comparators without HCV infection, then follow them for incident lung cancer. Relative risk, incidence rate ratio (IRR), standardized incidence ratio, or hazard risk ratio of this association along with associated 95% confidence interval (CI) from each study were extracted and combined for the calculation of the pooled effect estimate using the random effect, generic inverse variance. Results: 20,459 articles were discovered using the aforementioned search strategy. After two rounds of review, eight studies fulfilled the inclusion criteria and were included into the meta-analysis. Chronic HCV infection was significantly associated with increased risk of lung cancer with the pooled relative risk of 1.94 (95% CI, 1.56 – 2.42; I2 = 87%). Funnel plot was fairly symmetric and not suggestive of presence of publication bias. Conclusions: Chronic HCV infection is significantly associated with a 1.94-fold increased risk in the development of lung cancer compared to no infection.

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Abstract Details

Meeting

2020 ASCO Virtual Scientific Program

Session Type

Publication Only

Session Title

Publication Only: Cancer Prevention, Risk Reduction, and Genetics

Track

Prevention, Risk Reduction, and Genetics

Sub Track

Cancer Prevention

Citation

J Clin Oncol 38: 2020 (suppl; abstr e13562)

DOI

10.1200/JCO.2020.38.15_suppl.e13562

Abstract #

e13562

Abstract Disclosures

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