Prospective Validation Trial of Circulating Tumor Cells (CTCs) in Women With Metastatic Breast Cancer
Public ClinicalTrials.gov record NCT00493350. 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
International Stage IV Stratification Study (ISSS): Prospective Validation Trial of Circulating Tumor Cells (CTCs) as Prognostic and Predictive Markers in Women With Metastatic Breast Cancer About to Start First-Line Treatment
Study identification
- NCT ID
- NCT00493350
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Enrollment
- 660 participants
Conditions and interventions
Conditions
Interventions
- Blood Sample Procedure
Procedure
Eligibility (public fields only)
- Age range
- Not listed
- 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
- Sep 30, 2005
- Primary completion
- Nov 30, 2007
- Completion
- Nov 30, 2007
- Last update posted
- Jul 30, 2012
2005 – 2007
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| U.T.M.D. Anderson Cancer Center | Houston | Texas | 77030 | — |
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 NCT00493350, 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 Jul 30, 2012 · Synced May 14, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00493350 live on ClinicalTrials.gov.