ecrin-mdr-crcClinical2013colorectal cancerColorectal CancerInterventionalhttps://newmdr.ecrin.org/Study/2675455China1ECRIN MDRRecruitingfalseThe mechanism research of the effect of high fat and abnormal metabalism of intestinal microflora on the risk of colorectal cancerInterventions: diet intervention:reduce calorie intake;probiotics intervention:take probiotics;combined intervention:reduce calorie intake&take probiotics;no intervention:nothing Primary outcome(s): detection of intestinal flora;detection of blood;incidence of colorectal cancer Study Design: Randomized parallel controlled trial2013-01-152675455ChiCTR-TRC-14005037