Clinical trial · Observational
Breast Cancers: Risk Factors Among Mexican Women in Mexico, Mexican-American and African-American Women in the U.S.
Comparative Study of Breast Cancers and Their Risk Factors Among Mexican Women in Mexico, Mexican-American and African-American Women in the U.S.
NCT00837499CI-TRIAL-00051818completedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The goal of this epidemiologic research study is to find out if various risk factors and certain markers (substances that help identify the presence of cancer) that help predict increased occurrence and prognosis (outcome of disease) of breast cancer differ among Mexican, Mexican-American, and African-American women.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Breast Cancer | Malignant Breast Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Questionnaire | Behavioral | — | UNRESOLVED |
Design
Arms and outcomes
Arms (3)
- label
- Mexican Women from Mexico
- interventionNames
- Behavioral: Questionnaire
- label
- Mexican-American Women in U.S.
- interventionNames
- Behavioral: Questionnaire
- label
- African-American Women in U.S.
- interventionNames
- Behavioral: Questionnaire
Primary outcomes (1)
- measure
- Categorical Response Variables
- timeFrame
- 5 years
Secondary outcomes (1)
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: 1. All women of Mexican and African descent ages 18 years or older. 2. Diagnosis of invasive breast cancer (histologically confirmed invasive adenocarcinoma, including ductal, lobular, medullary, tubular and mucinous cellular patterns) within the past 24 months. 3. Willing to complete a questionnaire. 4. Consent to tissue acquisition (remaining after surgery or preoperative core needle biopsy). Exclusion Criteria: 1. Male gender 2. Inadequate tissue obtained for the four main clinical markers (ER, PR, Her-2/neu and Ki67).
References
Publications (0)
Data not yet available
No reference posted for this study.