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NCT00470561 · ClinicalTrials.gov registry record · NA

Effect of Aspirin on Mammogram Density in Healthy Postmenopausal Women With a Moderate or High Level of Breast Density

A NA study, sponsored by Fred Hutchinson Cancer Center.

Completed
Registry status
NA
Development phase
144
Enrollment target

NCT00470561: Completed NA study, sponsored by Fred Hutchinson Cancer Center.

NCT00470561 is a NA study that has completed, run by Fred Hutchinson Cancer Center. The registered enrollment target is 144 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (90% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00470561, a NA study, has completed, sponsored by Fred Hutchinson Cancer Center.

COMPLETED
Registry status
NA
Development phase
144 participants
Enrollment target

Study Summary

RATIONALE: Aspirin may be effective in reducing breast density in healthy postmenopausal women with a moderate or high level of breast density. PURPOSE: This randomized clinical trial is studying the effect of aspirin on mammogram density compared with a placebo in healthy postmenopausal women with a moderate or high level of breast density.

Interventions

  • DRUG Placebo
  • DRUG Aspirin

Trial Details

FieldValue
Enrollment Target 144 participants
Start Date 2005-11
Est. Completion 2007-07
Phase NA
Fred Hutchinson Cancer Center

483 total trials

What the finished NCT00470561 record still lists

NCT00470561 is an interventional study that assigns participants to a tested intervention. The registered 144 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 (90% lower).

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

NCT00470561 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00470561 about?

NCT00470561 is a clinical study titled "Effect of Aspirin on Mammogram Density in Healthy Postmenopausal Women With a Moderate or High Level of Breast Density". RATIONALE: Aspirin may be effective in reducing breast density in healthy postmenopausal women with a moderate or high level of breast density. PURPOSE: This randomized clinical trial is studying the effect of aspirin on mammogram density compared with a placebo in healthy postmenopausal women with...

What is the current status of trial NCT00470561?

This trial is currently completed. It is a NA study. The enrollment target is 144 participants. The study started on 2005-11. Estimated completion is 2007-07.

What interventions are being tested in trial NCT00470561?

The interventions under investigation include: Placebo (DRUG), Aspirin (DRUG).

Who is sponsoring clinical trial NCT00470561?

This trial is sponsored by Fred Hutchinson Cancer Center, which has 483 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00470561's enrollment target sits among peer trials

144 706th of 2000 higher than 1,290 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 NCT00470561, the US trial registry maintained by the National Library of Medicine. NCT00470561 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.