Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps
收藏NIAID Data Ecosystem2026-03-06 收录
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RATIONALE: Chemoprevention is the use of certain drugs to keep cancer from forming. The use of vitamin D may keep colorectal cancer from forming in patients with colon polyps. PURPOSE: This randomized phase I trial is studying a vitamin D supplement to see how well it works compared with a placebo in preventing colorectal cancer in African Americans with colon polyps.
创建时间：
2009-02-15
