At a glance
ClinicalIndex Comparison RecordN/ACompleted· 132 enrolled
Drug / intervention
Placebo Administration +5 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Randomized Placebo-Controlled, Double-Blind Study of Cholecalciferol Replacement in Patients on Expectant Management for Localized Prostate Cancer
In Brief
A clinical study evaluating Cholecalciferol, Laboratory Biomarker Analysis, and 4 other interventions for Prostate Adenocarcinoma. Completed, enrolled 132 participants across 1 site.
Detailed Summary
This randomized clinical trial studies how well cholecalciferol supplement works in treating patients with localized prostate cancer undergoing observation. Cholecalciferol may help prostate cancer cells become more like normal cells, and to grow and spread more slowly.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsProstate Adenocarcinoma
CountriesUnited States
CollaboratorsNational Cancer Institute (NCI)
Timeline
N/ACompletedFinished
200920102011201220132014201520162017201820192020202120222023202420252026
Enrollment StartApr 2009
First PostedApr 2009
Primary CompletionJun 2020
TodayJul 2026
First PostedApr 24, 2009
Enrollment StartApr 8, 2009
Primary CompletionJun 8, 2020
TodayJul 2, 2026
Enrollment to primary: 11.2 yearsPosted 17.2 years ago
Interventions
Cholecalciferoldietary
Given PO
Laboratory Biomarker Analysisother
Correlative studies
Patient Observationother
Placebo Administrationdrug
Given PO
Quality-of-Life Assessmentother
Ancillary studies
Questionnaire Administrationother
Ancillary studies