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NCT01684722 · ClinicalTrials.gov registry record · NA

Vitamin D and Omega-3 Trial to Prevent and Treat Diabetic Kidney Disease

A NA study, sponsored by University of Washington.

Completed
Registry status
NA
Development phase
1,312
Enrollment target

NCT01684722: Completed NA study, sponsored by University of Washington.

NCT01684722 is a NA study that has completed, run by University of Washington. The registered enrollment target is 1,312 participants, roughly in line with the 1,404-participant average among 58,714 other NA trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01684722, a NA study, has completed, sponsored by University of Washington.

COMPLETED
Registry status
NA
Development phase
1,312 participants
Enrollment target

Study Summary

The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is a randomized clinical trial in 20,000 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or fish oil (1 gram of omega-3 fatty acids) reduces the risk of developing cancer, heart disease, and stroke in people who do not have a prior history of these illnesses. This ancillary study is being conducted among participants in VITAL with a history of diabetes and will examine whether vitamin D or fish oil prevents the development and progression of diabetic kidney disease.

Primary Outcome

GFR estimated from serum creatinine and cystatin C

Interventions

  • DIETARY_SUPPLEMENT Vitamin D
  • DIETARY_SUPPLEMENT Fish oil placebo
  • DRUG Omega-3 fatty acids (fish oil)
  • DIETARY_SUPPLEMENT Vitamin D placebo

Trial Details

FieldValue
Enrollment Target 1,312 participants
Start Date 2010-07
Est. Completion 2019-11-08
Phase NA
University of Washington

1,048 total trials

What the finished NCT01684722 record still lists

NCT01684722 is an interventional study that assigns participants to a tested intervention. Its 1,312 participants enrollment target places it among the larger protocols in the corpus, roughly in line with the 1,404-participant average among 58,714 other NA trials with a reported enrollment target.

The record links to 0 conditions, and to 4 interventions - of which Vitamin D is the first listed.

NCT01684722 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01684722 about?

NCT01684722 is a clinical study titled "Vitamin D and Omega-3 Trial to Prevent and Treat Diabetic Kidney Disease". The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is a randomized clinical trial in 20,000 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or fish oil (1 gram of omega-3 fatty acids) reduces the risk of developing cancer, heart disease, and strok...

What is the current status of trial NCT01684722?

This trial is currently completed. It is a NA study. The enrollment target is 1,312 participants. The study started on 2010-07. Estimated completion is 2019-11-08.

What interventions are being tested in trial NCT01684722?

The interventions under investigation include: Vitamin D (DIETARY_SUPPLEMENT), Fish oil placebo (DIETARY_SUPPLEMENT), Omega-3 fatty acids (fish oil) (DRUG), Vitamin D placebo (DIETARY_SUPPLEMENT).

Who is sponsoring clinical trial NCT01684722?

This trial is sponsored by University of Washington, which has 1,048 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01684722's enrollment target sits among peer trials

1,312 76th of 2000 higher than 1,925 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 NCT01684722, the US trial registry maintained by the National Library of Medicine. NCT01684722 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.