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About this Publication
Title
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).
Pubmed ID
29617726 (View this publication on the PubMed website)
Digital Object Identifier
Publication
Ann. Oncol. 2018 Jun 1; Volume 29 (Issue 6): Pages 1468-1475
Authors

Muller DC, Hodge AM, Fanidi A, Albanes D, Mai XM, Shu XO, Weinstein SJ, Larose TL, Zhang X, Han J, Stampfer MJ, Smith-Warner SA, Ma J, Gaziano JM, Sesso HD, Stevens VL, McCullough ML, Layne TM, Prentice R, Pettinger M, Thomson CA, Zheng W, Gao YT, Rothman N, Xiang YB, Cai H, Wang R, Yuan JM, Koh WP, Butler LM, Cai Q, Blot WJ, Wu J, Ueland PM, Midttun Ø, Langhammer A, Hveem K, Johansson M, Hultdin J, Grankvist K, Arslan AA, Le Marchand L, Severi G, Johansson M, Brennan P

Abstract

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.

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