Conditions: Stage I Prostate Cancer AJCC v8; Stage II Prostate Cancer AJCC v8; Stage III Prostate Cancer AJCC v8; Stage IVA Prostate Cancer AJCC v8
Interventions: Procedure: Biospecimen Collection; Dietary Supplement: D Vitamin; Procedure: Dual X-ray Absorptiometry; Drug: Placebo Administration; Other: Quality-of-Life Assessment; Other: Questionnaire Administration
Sponsors: University of Rochester; National Cancer Institute (NCI)
**RECRUITING NOW**
Source: View full study details on ClinicalTrials.gov
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