Effect of Tamoxifen or an Aromatase Inhibitor on Estrogen Metabolism in Women Treated for Newly Diagnosed Breast Cancer
Public ClinicalTrials.gov record NCT00569543. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Effects of Therapeutic Agents on Estrogens in the Breast
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
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.
Study identification
- NCT ID
- NCT00569543
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 27 participants
Conditions and interventions
Conditions
Interventions
- high performance liquid chromatography Other
- laboratory biomarker analysis Other
- mass spectrometry Other
- medical chart review Other
Other
Eligibility (public fields only)
- Age range
- 19 Years and older
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 11, 2005 (Actual)
- Primary completion
- Aug 2, 2012 (Actual)
- Completion
- Aug 2, 2012 (Actual)
- Last update posted
- Sep 1, 2023
2005 – 2012
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic Cancer Center | Rochester | Minnesota | 55905 | — |
| Eppley Cancer Center at University of Nebraska Medical Center | Omaha | Nebraska | 68198-6805 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00569543, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 1, 2023 · Synced Oct 21, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00569543 live on ClinicalTrials.gov.