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NCT00336232 · ClinicalTrials.gov registry record · NA

Determinants of Vitamin K Metabolism

A NA study, sponsored by Tufts University.

Completed
Registry status
NA
Development phase
59
Enrollment target

NCT00336232: Completed NA study, sponsored by Tufts University.

NCT00336232 is a NA study that has completed, run by Tufts University. The registered enrollment target is 59 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00336232, a NA study, has completed, sponsored by Tufts University.

COMPLETED
Registry status
NA
Development phase
59 participants
Enrollment target

Study Summary

The purpose of this study is to learn how the body responds to different amounts of vitamin K in the diet in order to understand the roles that vitamin K may have in the body. We also need to determine if older adults need more or less vitamin K in their diet compared to younger adults in order to maintain normal body stores of vitamin K.

Primary Outcome

Plasma phylloquinone in response to phylloquinone depletion and repletion

Interventions

  • DRUG Vitamin K

Trial Details

FieldValue
Enrollment Target 59 participants
Start Date 2006-05
Est. Completion 2009-07
Phase NA
Tufts University

163 total trials

What the finished NCT00336232 record still lists

NCT00336232 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 59 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower).

The record links to 0 conditions, and to 1 intervention - of which Vitamin K is the first listed.

NCT00336232 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00336232 about?

NCT00336232 is a clinical study titled "Determinants of Vitamin K Metabolism". The purpose of this study is to learn how the body responds to different amounts of vitamin K in the diet in order to understand the roles that vitamin K may have in the body. We also need to determine if older adults need more or less vitamin K in their diet compared to younger adults in order to m...

What is the current status of trial NCT00336232?

This trial is currently completed. It is a NA study. The enrollment target is 59 participants. The study started on 2006-05. Estimated completion is 2009-07.

What interventions are being tested in trial NCT00336232?

The interventions under investigation include: Vitamin K (DRUG).

Who is sponsoring clinical trial NCT00336232?

This trial is sponsored by Tufts University, which has 163 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00336232's enrollment target sits among peer trials

59 1256th of 2000 higher than 745 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 NCT00336232, the US trial registry maintained by the National Library of Medicine. NCT00336232 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.