Status:
COMPLETED
Genistein in Preventing Breast Cancer in Women at High Risk for Breast Cancer
Lead Sponsor:
National Cancer Institute (NCI)
Conditions:
Breast Cancer
Eligibility:
FEMALE
25+ years
Phase:
PHASE2
Brief Summary
This randomized phase II trial is studying how well genistein works in preventing breast cancer in women at high risk for breast cancer. Chemoprevention is the use of certain drugs to keep cancer from...
Detailed Description
PRIMARY OBJECTIVE: I. Determine the effect of genistein on the proliferation of breast epithelial cells obtained by fine needle aspiration (FNA), as measured by Ki-67 labeling index, in women who are...
Eligibility Criteria
Inclusion
- No known soy intolerance
- At increased risk of developing breast cancer in \>= 1 previously unaffected breast, as defined by any of the following:
- Estimated 5-year risk of developing breast cancer using the Gail model, as defined by 1 of the following:
- Gail score \>= 1.66%
- Gail score \>= 0.1% for women age 20-29 years
- Gail score \>= 1.0% for women age 30-39 years
- Estimated 5-year risk of developing breast cancer using the Claus model:
- Claus score \>= 1.66%
- Claus score \>= 0.1% for women age 20-29 years
- Claus score \>= 1.0% for women age 30-39 years
- Prior diagnosis of unilateral in situ or invasive breast cancer OR history of atypical hyperplasia, BRCA 1 and/or BRCA 2 positivity
- History of lobular carcinoma in situ
- No evidence of breast cancer, as determined by a negative mammogram within the past 6 months and a history and physical
- No previously diagnosed breast cancer unless all systemic therapy (including endocrine therapy) was completed at least 1 year ago
- Pre- or postmenopausal
- ECOG performance status 0-1
- Hemoglobin \> 10.0 g/dL
- Platelet count \> 100,000/mm\^3
- Absolute neutrophil count \> 1,000/mm\^3
- Creatinine \< 2.0 mg/dL
- SGPT \< 82 U/L
- SGOT \< 68 U/L
- Bilirubin \< 3 mg/dL\* \[Note: \* Patients with a higher level of bilirubin due to a familial metabolism may be eligible at the discretion of the investigator\]
- Life expectancy \> 2 years
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective barrier contraception
- Must be willing to keep a dietary diary
- No venous thrombosis within the past year
- No unrecognized or poorly controlled thyroid disease
- No other cancer within the past 5 years except nonmelanomatous skin cancer or noninvasive cervical cancer
- No other medical condition that, in the opinion of the investigator, would jeopardize either the patient or the integrity of the data obtained
- None of the following for \>= 2 weeks before the first random fine needle aspiration and during study participation:
- Oral contraceptives
- Soy supplements
- High soy-containing foods
- Fish oil supplements
- Multivitamins
- Vitamins C and E
- Daily aspirin or nonsteroidal
- Anti-inflammatory drugs
- No other concurrent investigational agents
- No concurrent warfarin or other blood thinners
- Female patient
Exclusion
- Women previously diagnosed with breast cancer will not be eligible unless all systemic therapy (including endocrine therapy) was completed at least one year previously
- Currently pregnant, or planning to become pregnant during the study period
- History of venous thrombosis within past year
- Medical conditions, which, in the opinion of the investigators would jeopardize either the patient or the integrity of the data obtained
- History of other cancer within the past five years, excluding non-melanomatous skin cancer, and non-invasive cervical cancer
- Known soy intolerance
- Unrecognized or uncontrolled thyroid disease, subjects may be on synthroid, but thyroid function must be in normal range or the patient's physician must document that the patient's thyroid is controlled.
- Currently receiving any other investigational agents
- Currently on coumadin, or other blood thinners
- History of breast augmentation implants.
- Rusults from patients who have \<4000 epithelial cells in either the first or the second random Fine-needle aspiration (rFNA) will not be included in the study.
Key Trial Info
Start Date :
January 1 2006
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
July 1 2009
Estimated Enrollment :
126 Patients enrolled
Trial Details
Trial ID
NCT00290758
Start Date
January 1 2006
End Date
July 1 2009
Last Update
February 8 2017
Active Locations (1)
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1
Northwestern University
Chicago, Illinois, United States, 60611