Role of Diet on the Microbiome of the Digestive System
ConditionColorectal Carcinoma
Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age45+
SponsorM.D. Anderson Cancer Center
This study is to learn more about how diet affects the microbiome (bacteria and microorganisms) of the digestive system. Researchers want to learn if this, in turn, has an effect on if and how people then develop colorectal cancer.
GROUP I: Patients presenting for a screening colonoscopy
GROUP I: Age of 45 and above
GROUP I: Strict vegetarian diet, determined by using diet history questionnaire 3.0 National Institutes of Health (NIH)
GROUP I: Non smoker
• Current smokers (nicotine abuse only)
Positive family history of colon cancer or colon cancer related syndromes
Recent use of antibiotics in 1 month
History of inflammatory bowel disease, and/or radiation enteritis or colitis