Breast Cancers: Risk Factors Among Mexican Women in Mexico, Mexican-American and African-American Women in the U.S.

Completed

Conditions studied: Breast Cancer

In brief

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.

Key facts

Study ID

NCT00837499

Run by

M.D. Anderson Cancer Center

People needed

938

Starts

2007-01-01

Expected to finish

2021-05-10

Last updated by the study team

2021-05-14

Who can join

Age: 18 and older. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• All women of Mexican and African descent ages 18 years or older.
• Diagnosis of invasive breast cancer (histologically confirmed invasive adenocarcinoma, including ductal, lobular, medullary, tubular and mucinous cellular patterns) within the past 24 months.
• Willing to complete a questionnaire.
• Consent to tissue acquisition (remaining after surgery or preoperative core needle biopsy).

You may not qualify if…

• Male gender
• Inadequate tissue obtained for the four main clinical markers (ER, PR, Her-2/neu and Ki67).

Where it is running

• Arizona Cancer Center — Tucson, Arizona, United States
• LBJ Hospital — Houston, Texas, United States
• University of Texas MD Anderson Cancer Center — Houston, Texas, United States
• The Rose Diagnostic Center — Houston, Texas, United States
• University of Sonora — Hermosillo, Sonora, Mexico
• Instituto Tecnologico — Ciudad Obregón, Mexico
• University of Guadalajara — Guadalajara, Mexico

Full record on ClinicalTrials.gov

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