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Pre-diagnostic circulating vitamin D levels and risk of hepatocellular carcinoma in European populations: a nested case-control study
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2014 (English)In: Hepatology, ISSN 0270-9139, E-ISSN 1527-3350, Vol. 60, no 4, 1222-1230 p.Article in journal (Refereed) Published
Abstract [en]

The association between vitamin D status and hepatocellular carcinoma has not been well investigated, despite experimental evidence supporting an important role of vitamin D in liver pathophysiology. Our objective was to investigate the association between pre-diagnostic circulating 25-hydroxyvitamin D [25(OH)D] serum levels and risk of hepatocellular carcinoma in a prospective, nested case-control study among 520,000 participants in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort. Each case (n = 138) diagnosed between 1992 and 2010 was matched to one control by age, sex, study center, date and time of blood collection, and fasting status. Serum baseline levels of 25(OH)D were measured by liquid chromatography/tandem mass spectrometry. Multivariable incident rate ratios (IRR) of hepatocellular carcinoma associated with continuous (per 10 nmol/L) or categorical levels (tertiles or a priori-defined categories) of pre-diagnostic 25(OH)D. Higher 25(OH)D levels were associated with a 49% reduction in the risk of hepatocellular carcinoma (highest vs. lowest tertile: multivariable IRR = 0.51, 95% confidence interval, 0.26 to 0.99; Ptrend = 0.04; per 10 nmol/L increase: IRR = 0.80, 95% confidence interval, 0.68-0.94). The finding did not vary substantially by time from enrolment to diagnosis, and did not change after adjustment for biomarkers of pre-existing liver damage, nor chronic infection with hepatitis B or C viruses. The findings were not modified by body size or smoking status. Conclusion: In this prospective study on Western European populations, serum levels of 25(OH)D were inversely associated with risk of hepatocellular carcinoma. Given the rising incidence of this cancer in low-risk developed countries and the strong public health interest surrounding the potentially cancer-protective roles of vitamin D, additional studies in different populations are required. (Hepatology 2014;).

Place, publisher, year, edition, pages
2014. Vol. 60, no 4, 1222-1230 p.
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URN: urn:nbn:se:umu:diva-88173DOI: 10.1002/hep.27079ISI: 000342662100015PubMedID: 24644045OAI: diva2:713849
Available from: 2014-04-24 Created: 2014-04-24 Last updated: 2016-02-11Bibliographically approved

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