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NCT00984490 · ClinicalTrials.gov registry record · NA

Metformin Hydrochloride in Treating Women With Stage I or Stage II Breast Cancer That Can Be Removed By Surgery

A NA study, sponsored by Vanderbilt-Ingram Cancer Center.

Terminated
Registry status
NA
Development phase
5
Enrollment target

NCT00984490: Clinical Trial NA study, sponsored by Vanderbilt-Ingram Cancer Center.

NCT00984490 is a NA study that was terminated before completion, run by Vanderbilt-Ingram Cancer Center. The registered enrollment target is 5 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (100% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00984490, a NA study, was terminated before completion, sponsored by Vanderbilt-Ingram Cancer Center.

TERMINATED
Registry status
NA
Development phase
5 participants
Enrollment target

Study Summary

RATIONALE: Metformin hydrochloride may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. PURPOSE: This phase I trial is studying how well metformin hydrochloride works in treating women with stage I or stage II breast cancer that can be removed by surgery.

Primary Outcome

Change in Ki67 levels in pre-treatment, pre-surgery and post-treatment, surgically excised breast tissue. Measured by percentage of positive-staining nuclei with a minimum of 0% to a maximum of 100%. A mean score is determined.

Interventions

  • OTHER laboratory biomarker analysis
  • DRUG metformin hydrochloride

Trial Details

FieldValue
Enrollment Target 5 participants
Start Date 2009-09
Est. Completion 2011-07
Phase NA
Vanderbilt-Ingram Cancer Center

189 total trials

Why NCT00984490 stopped before completion

NCT00984490 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 5 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (100% lower).

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

NCT00984490 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00984490 about?

NCT00984490 is a clinical study titled "Metformin Hydrochloride in Treating Women With Stage I or Stage II Breast Cancer That Can Be Removed By Surgery". RATIONALE: Metformin hydrochloride may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. PURPOSE: This phase I trial is studying how well metformin hydrochloride works in treating women with stage I or stage II breast cancer that can be removed by surgery.

What is the current status of trial NCT00984490?

This trial is currently terminated. It is a NA study. The enrollment target is 5 participants. The study started on 2009-09. Estimated completion is 2011-07.

What interventions are being tested in trial NCT00984490?

The interventions under investigation include: laboratory biomarker analysis (OTHER), metformin hydrochloride (DRUG).

Who is sponsoring clinical trial NCT00984490?

This trial is sponsored by Vanderbilt-Ingram Cancer Center, which has 189 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00984490's enrollment target sits among peer trials

5 1988th of 2000 higher than 5 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 NCT00984490, the US trial registry maintained by the National Library of Medicine. NCT00984490 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.