Colorectal Cancer Clinical Trial
Official title:
Fecal Metagenomics and Metabolomics Analyses to Identify Potential Screening Biomarkers for Colorectal Polyps and Cancer in Chinese Population
Many previous studies had revealed that gastrointestinal microbiome is changed compositionally and ecologically in patients with colorectal cancer comparing with healthy population. These finding provide us with a new sight to take advantage of gut microbiota. The current study aims to explore new potential biomarkers for early screening and prognostic prediction of colorectal cancer and colorectal polyps by analyzing metagenomics and metabolomics of gut microbiota.
Patients who come to the Sixth Affiliated Hospital, Sun Yat-sen University for medical purposes will be invited to participate in the study. Participants will be asked to collect two stool samples. One stool sample will be used for metagenomic sequencing and the other will be used to extract metabolomics data. Meanwhile, participants will be asked to complete a questionnaire about lifestyle and diet habits with the assistance of a well-trained nurse. We will delineate the community and metabolites differences in the gut microbiota between colorectal cancer patients and healthy populations by comparing cases with controls. Considering the different gut microbiota profiles among different populations caused by varied diet habits and lifestyles, the current study will try to describe the microbiota profiles in the Chinese population. Besides, we will explore new potential biomarkers for early screening and prognostic prediction which is suitable to Chinese populations. Moreover, we will attempt to find out the interactions between diet and microbiota through a comprehensive analysis of the questionnaire and the collected results. ;
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