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Brief Title: Study of Folic Acid, Calcium and Vitamin D in Preventing Colorectal Polyps and Colorectal Cancer
Official Title: A Randomize Controlled Trial of Folic Acid, Calcium and Vitamin D in Preventing Colorectal Polyps and Colorectal Cancer
Study ID: NCT02066688
Brief Summary: Folic acid (FA) and its derivatives (folate) which play a role in nucleotide synthesis and methylation reactions as well as calcium and vitamin D are assumed to be effective in the prevention of colorectal polyps and Colorectal cancer (CRC). The aim of this study is to investigate the roles of FA as well as calcium and vitamin D in the prevention of CRC.
Detailed Description: Colorectal cancer (CRC) affects approximately one million people each year with a five-year survival rate of 62% . Considerable interest has recently been focused on the relationship between the chemoprevention of colorectal polyps/CRA and CRC. Therefore, the use of nutritional compounds which are usually less afflicted with the risk of severe side effects for colorectal adenoma (CRA) prevention and health maintenance is an emerging field.
Minimum Age: 50 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: Yes
Renji Hospital, Shanghai, , China
Name: Jing-yuan Fang, MD., Ph D.
Affiliation: Shanghai Jiao Tong University School of Medicine
Role: PRINCIPAL_INVESTIGATOR