Spots Global Cancer Trial Database for Diet, Genes and Colorectal Cancer - With Focus on Toll-like Receptor Polymorphisms

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Trial Identification

Brief Title: Diet, Genes and Colorectal Cancer - With Focus on Toll-like Receptor Polymorphisms

Official Title: Meat and Fiber Intake and Interaction With Pattern Recognition Receptors (TLR1, TLR2, TLR4, and TLR10) in Relation to Colorectal Cancer in a Danish Prospective, Case-cohort Study

Study ID: NCT03250637

Conditions

Colorectal Cancer

Interventions

Observational

Study Description

Brief Summary: The aim of this study is to investigate the interaction between diet - primary meat and fiber - and polymorphisms in Toll-like receptors in relation to risk of colorectal cancer in a Danish prospective cohort.

Detailed Description: Meat and dietary fibers have been associated with increased and decreased risk of colorectal cancer (CRC), respectively. Toll-like receptors (TLRs) regulate intestinal immune response in a complex interplay between the mucosal epithelium and the microbiota and may therefore be important modulators of diet-induced CRC and interact with other inflammatory mediators. The aim of the study is to investigate the association with functional TLR polymorphisms in relation to risk of CRC and their interaction with dietary factors. Additionally, interactions with previously studied polymorphisms in IL10, IL1B, PTGS2 and NFKB1 will be assessed in order to examine possible biological pathways in meat-induced CRC. Data are retrieved from the Danish prospective "Diet, Cancer and Health" study encompassing 57,053 persons which were recruited between 1993 to 1997. Between 1994 and 31th December 2009, 1038 CRC cases has been diagnosed. A sub-cohort of 1857 persons has been randomly selected within the full cohort at time of entry into the cohort. The study design is a nested case-cohort study.