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No association between circulating concentrations of vitamin D and risk of lung cancer: an analysis in 20 prospective studies in the Lung Cancer Cohort Consortium (LC3)
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2018 (English)In: Annals of Oncology, ISSN 0923-7534, E-ISSN 1569-8041, Vol. 29, no 6, p. 1468-1475Article in journal (Refereed) Published
Abstract [en]

Background: There is observational evidence suggesting that high vitamin D concentrations may protect against lung cancer. To investigate this hypothesis in detail, we measured circulating vitamin D concentrations in prediagnostic blood from 20 cohorts participating in the Lung Cancer Cohort Consortium (LC3).

Patients and methods: The study included 5313 lung cancer cases and 5313 controls. Blood samples for the cases were collected, on average, 5 years before lung cancer diagnosis. Controls were individually matched to the cases by cohort, sex, age, race/ethnicity, date of blood collection, and smoking status in five categories. Liquid chromatography coupled with tandem mass spectrometry was used to separately analyze 25-hydroxyvitamin D2 [25(OH)D2] and 25-hydroxyvitamin D3 [25(OH)D3] and their concentrations were combined to give an overall measure of 25(OH)D. We used conditional logistic regression to calculate odds ratios (ORs) and 95% confidence intervals (CIs) for 25(OH)D as both continuous and categorical variables.

Results: Overall, no apparent association between 25(OH)D and risk of lung cancer was observed (multivariable adjusted OR for a doubling in concentration: 0.98, 95% CI: 0.91, 1.06). Similarly, we found no clear evidence of interaction by cohort, sex, age, smoking status, or histology.

Conclusion: This study did not support an association between vitamin D concentrations and lung cancer risk.

Place, publisher, year, edition, pages
Oxford University Press, 2018. Vol. 29, no 6, p. 1468-1475
Keywords [en]
serum 25-hydroxyvitamin D, vitamin D, lung cancer, case control, prospective, consortium
National Category
Cancer and Oncology
Identifiers
URN: urn:nbn:se:umu:diva-150392DOI: 10.1093/annonc/mdy104ISI: 000438508100024PubMedID: 29617726Scopus ID: 2-s2.0-85050815132OAI: oai:DiVA.org:umu-150392DiVA, id: diva2:1236895
Available from: 2018-08-06 Created: 2018-08-06 Last updated: 2018-08-06Bibliographically approved

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Hultdin, JohanGrankvist, Kjell

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CiteExportLink to record
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