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NCT00569543 · ClinicalTrials.gov registry record
Effect of Tamoxifen or an Aromatase Inhibitor on Estrogen Metabolism in Women Treated for Newly Diagnosed Breast Cancer
A clinical trial of Breast Cancer, sponsored by University of Nebraska.
- Completed
- Registry status
- 27
- Enrollment target
- 2
- Study locations
NCT00569543: Completed study of Breast Cancer, sponsored by University of Nebraska.
NCT00569543 is a study of Breast Cancer that has completed, run by University of Nebraska. The registered enrollment target is 27 participants, below the 2,803-participant average among 1,224 other Breast Cancer trials with a reported enrollment target (99% lower). The trial reports 2 study locations across 2 states. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00569543, a study of Breast Cancer, has completed, sponsored by University of Nebraska.
- COMPLETED
- Registry status
- 27 participants
- Enrollment target
- 2
- Study locations
Study Summary
RATIONALE: Studying samples of urine in the laboratory from women with breast cancer may help doctors learn whether tamoxifen and aromatase inhibitors alter the metabolism of estrogens. PURPOSE: This clinical trial is studying the effect of tamoxifen or an aromatase inhibitor on estrogen metabolism in women undergoing treatment for newly diagnosed breast cancer.
Primary Outcome
Comparison of estrogen compounds in urine before and after treatment with tamoxifen or an aromatase inhibitor for two-to-six months
Conditions Studied
Interventions
- OTHER laboratory biomarker analysis
- OTHER medical chart review
- OTHER high performance liquid chromatography
- OTHER mass spectrometry
Study Locations (2)
Minnesota
- Mayo Clinic Cancer Center - Rochester
Nebraska
- Eppley Cancer Center at University of Nebraska Medical Center - Omaha
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 27 participants |
| Start Date | 2005-05-11 |
| Est. Completion | 2012-08-02 |
What the finished NCT00569543 record still lists
NCT00569543 is an observational study that tracks outcomes without assigning an intervention. The registry caps enrollment at 27 participants, a relatively small participant target, below the 2,803-participant average among 1,224 other Breast Cancer trials with a reported enrollment target (99% lower).
The record links to 1 condition, with Breast Cancer appearing as the primary indexed condition, and to 4 interventions - of which laboratory biomarker analysis is the first listed.
NCT00569543 reports a single indexed study location in Minnesota, Nebraska.
Frequently Asked Questions
What is clinical trial NCT00569543 about?
NCT00569543 is a clinical study titled "Effect of Tamoxifen or an Aromatase Inhibitor on Estrogen Metabolism in Women Treated for Newly Diagnosed Breast Cancer". RATIONALE: Studying samples of urine in the laboratory from women with breast cancer may help doctors learn whether tamoxifen and aromatase inhibitors alter the metabolism of estrogens. PURPOSE: This clinical trial is studying the effect of tamoxifen or an aromatase inhibitor on estrogen metabolism...
What is the current status of trial NCT00569543?
This trial is currently completed. The enrollment target is 27 participants. The study started on 2005-05-11. Estimated completion is 2012-08-02.
What conditions does trial NCT00569543 study?
This clinical trial studies the following conditions: Breast Cancer.
What interventions are being tested in trial NCT00569543?
The interventions under investigation include: laboratory biomarker analysis (OTHER), medical chart review (OTHER), high performance liquid chromatography (OTHER), mass spectrometry (OTHER).
Who is sponsoring clinical trial NCT00569543?
This trial is sponsored by University of Nebraska, which has 407 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00569543 being conducted?
This trial has 2 study locations across Minnesota, Nebraska. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Breast Cancer
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT00569543's enrollment target sits among peer trials
27 1019th of 1224 higher than 198 of 1,224 other Breast Cancer trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Breast Cancer 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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