NCT00690924 2018-06-04Calcitriol in Preventing Lung Cancer in Smokers and Former Smokers at High Risk of Lung CancerRoswell Park Cancer InstitutePhase NA Completed16 enrolled 6 charts
NCT00118066 2015-05-27Calcitriol in Preventing Prostate Cancer in Patients With Prostatic Intraepithelial NeoplasiaRutgers, The State University of New JerseyPhase 2 Terminated12 enrolled