Study Status: Terminated
Recruit Status: Terminated
Study Type: Interventional
Official Title: A Randomized Phase II Trial Of Calcitriol In Patients With Prostatic Intraepithelial Neoplasia
Brief Summary:
RATIONALE: Chemoprevention is the use of certain drugs to keep cancer from forming, growing, or coming back. The use of calcitriol may prevent prostate cancer. It is not yet known whether calcitriol is more effective than observation in preventing prostate cancer.
PURPOSE: This randomized phase II trial is studying how well calcitriol works in preventing prostate cancer in patients with prostatic intraepithelial neoplasia.