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A Pilot Study to Evaluate the Effects of Omega-3 Fatty Acids on Intermediate Markers of Breast Cancer


N/A
18 Years
N/A
Open (Enrolling)
Female
Breast Cancer

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Trial Information

A Pilot Study to Evaluate the Effects of Omega-3 Fatty Acids on Intermediate Markers of Breast Cancer


OBJECTIVES:

Primary

- Determine the effects of omega-3 fatty acids on mammographic breast density (MBD) in
women at high risk of developing breast cancer.

Secondary

- Determine, preliminarily, the effects of this supplement on cell atypia and breast cell
proliferation measured in ductal lavage specimens from these patients.

- Determine the effects of this supplement on circulating hormone and growth factor blood
levels in these patients.

- Determine the effects of this supplement on the expression of estrogen-related proteins
found in ductal lavage specimens from these patients.

- Determine the effects of this supplement on plasma lipid peroxidation levels in these
patients.

- Correlate the modifying effect of lipid peroxidation-related genes with MBD in patients
treated with this supplement.

OUTLINE: This is a randomized, pilot study. Patients are randomized to 1 of 2 treatment
arms.

- Arm I: Patients receive oral placebo three times daily for 12 months.

- Arm II: Patients receive oral omega-3 fatty acids three times daily for 12 months.

In both arms, treatment continues in the absence of the development of ductal carcinoma in
situ or invasive carcinoma of the breast or unacceptable toxicity.

PROJECTED ACCRUAL: A total of 80 patients (40 per treatment arm) will be accrued for this
study.

Inclusion Criteria


DISEASE CHARACTERISTICS:

- At increased risk of developing breast cancer, as defined by 1 of the following
criteria:

- 5-year Gail risk ≥ 1.7%

- Calculated 5-year Gail risk ≥ 5 times the average for age group, as defined by 1
of the following:

- At least 0.1% (for patients age 20-29)

- At least 1.0% (for patients age 30-39)

- At least 1.7% (for patients age 40 and over)

- Known BRCA1 or BRCA2 mutation carrier

- Family history consistent with hereditary breast cancer, as defined by any of
the following:

- At least 4 relatives diagnosed with breast cancer at any age

- At least 2 first-degree relatives diagnosed with breast cancer at age 50 or
younger

- Breast and ovarian cancer diagnosed in the same relative

- At least 2 occurrences of breast cancer and 1 occurrence of ovarian cancer
at any age in the same family

- Atypical hyperplasia or lobular carcinoma in situ of the breast by prior biopsy

- History of unilateral ductal carcinoma in situ of the breast

- History of invasive stage I breast cancer in remission (completed local and
systemic standard therapy)

- History of ovarian cancer in remission for > 5 years

- Baseline mammogram performed within the past 6 months with an interpretation of not
suspicious for malignancy (BIRAD 1-3)

- Not eligible for OR refused standard breast cancer risk reduction strategies (e.g.,
prophylactic oophorectomy, prophylactic mastectomy, or tamoxifen)

PATIENT CHARACTERISTICS:

Age

- 18 and over

Sex

- Female

Menopausal status

- Not specified

Performance status

- SWOG 0-1

Life expectancy

- Not specified

Hematopoietic

- Absolute granulocyte count ≥ 1,500/mm^3

- Platelet count ≥ 100,000/mm^3

- Hemoglobin ≥ 8.0 g/dL

Hepatic

- SGOT and/or SGPT ≤ 2.5 times upper limit of normal (ULN)

- Alkaline phosphatase ≤ 2.5 times ULN

- Bilirubin ≤ 2.0 times ULN

Renal

- Creatinine ≤ 2.0 mg/dL

Other

- Not pregnant or nursing

- Negative pregnancy test

- No underlying medical, psychiatric, or social condition that would preclude study
participation

- No other invasive malignancy within the past 5 years except nonmelanoma skin cancer

PRIOR CONCURRENT THERAPY:

Biologic therapy

- Not specified

Chemotherapy

- Not specified

Endocrine therapy

- More than 6 months since prior and no concurrent hormonal therapy, including any of
the following:

- Antiestrogens

- Estrogen

- Selective estrogen-receptor modulators

- Progestins

- Aromatase inhibitors

- Hormonal contraceptives

Radiotherapy

- Not specified

Surgery

- No prior bilateral mastectomy

Other

- More than 3 months since prior and no concurrent chronic (i.e., > 3 times per week)
non-steroidal anti-inflammatory drugs (e.g., aspirin, ibuprofen, or indomethacin) or
cyclooxygenase-2 inhibitors

- No prior cancer treatment that would preclude study treatment

Type of Study:

Interventional

Study Design:

Allocation: Randomized, Primary Purpose: Prevention

Outcome Measure:

Breast density as measured by the Madena method at 1 year

Safety Issue:

No

Principal Investigator

Agustin Garcia, MD

Investigator Role:

Study Chair

Investigator Affiliation:

Cedars-Sinai Medical Center

Authority:

United States: Federal Government

Study ID:

CDR0000430701

NCT ID:

NCT00114296

Start Date:

April 2005

Completion Date:

Related Keywords:

  • Breast Cancer
  • breast cancer
  • Breast Neoplasms

Name

Location

Samuel Oschin Comprehensive Cancer Institute at Cedars-Sinai Medical CenterLos Angeles, California  90048-1865