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NCT02064946 · ClinicalTrials.gov registry record · NA

High-dose Vitamin D Supplementation for ADT-induced Side Effects

A NA study, sponsored by University of Rochester.

Completed
Registry status
NA
Development phase
108
Enrollment target

NCT02064946: Completed NA study, sponsored by University of Rochester.

NCT02064946 is a NA study that has completed, run by University of Rochester. The registered enrollment target is 108 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (92% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT02064946, a NA study, has completed, sponsored by University of Rochester.

COMPLETED
Registry status
NA
Development phase
108 participants
Enrollment target

Study Summary

The purpose of this study is to test the efficacy of a high-dose vitamin D supplementation regimen in reducing androgen deprivation therapy (ADT)-related side effects in older prostate cancer patients on ADT. The proposed study is a randomized, double-blind, 2-arm, controlled clinical trial that will accrue 76 prostate cancer patients without severe bone loss, aged 60 and older, beginning ADT, and scheduled to receive at least 6 months more of ADT. Participants will be randomized to: 1) weekly high-dose vitamin D3 (50,000 IU) or 2) vitamin D placebo only for a period of 24 weeks. Both groups will also receive a daily multivitamin and calcium supplement.

Primary Outcome

mean difference in bone mineral density between treatment group and control group

Interventions

  • DIETARY_SUPPLEMENT Placebo
  • DIETARY_SUPPLEMENT vitamin D

Trial Details

FieldValue
Enrollment Target 108 participants
Start Date 2014-03
Est. Completion 2016-11
Phase NA
University of Rochester

636 total trials

What the finished NCT02064946 record still lists

NCT02064946 is an interventional study that assigns participants to a tested intervention. The registered 108 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (92% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT02064946 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT02064946 about?

NCT02064946 is a clinical study titled "High-dose Vitamin D Supplementation for ADT-induced Side Effects". The purpose of this study is to test the efficacy of a high-dose vitamin D supplementation regimen in reducing androgen deprivation therapy (ADT)-related side effects in older prostate cancer patients on ADT. The proposed study is a randomized, double-blind, 2-arm, controlled clinical trial that wil...

What is the current status of trial NCT02064946?

This trial is currently completed. It is a NA study. The enrollment target is 108 participants. The study started on 2014-03. Estimated completion is 2016-11.

What interventions are being tested in trial NCT02064946?

The interventions under investigation include: Placebo (DIETARY_SUPPLEMENT), vitamin D (DIETARY_SUPPLEMENT).

Who is sponsoring clinical trial NCT02064946?

This trial is sponsored by University of Rochester, which has 636 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT02064946's enrollment target sits among peer trials

108 825th of 2000 higher than 1,171 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT02064946, the US trial registry maintained by the National Library of Medicine. NCT02064946 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.