The primary objective of this contract is to provide for the conduct of an epidemiologic study of the risk of breast cancer among women, ages 40- 64, in relation to oral contraceptive use. Five Field Centers shall participate in the conduct of a multi-center, population-based, concurrent case-control study to elucidate effects of: 1) current and lifetime OC use; 2) timing of OC use relative to other reproductive events; 3) differential effects of contraceptive estrogens and progestins; and 4) possible modification of OC effects by subsequent estrogen or hormone replacement therapy on the risk of breast cancer. A sufficient number of breast cancer cases and controls shall be enlisted to provide for the detection of a small overall relative risk of breast cancer (approximately a 20% increase or decrease) in oral contraceptive users compared to non-users. In addition, the sample size shall be large enough to provide for subgroup analyses, based on possible differences in risk that may exist for various subgroups. Subgroups shall be defined in terms of race, family history of breast cancer, parity and other reproductive characteristics of women, and other suspected breast cancer risk factors.

Project Start
1992-11-01
Project End
1999-10-31
Budget Start
1996-08-23
Budget End
1996-10-31
Support Year
Fiscal Year
1996
Total Cost
Indirect Cost
Name
Emory University
Department
Type
Schools of Public Health
DUNS #
042250712
City
Atlanta
State
GA
Country
United States
Zip Code
30322
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Reding, Kerryn W; Carlson, Christopher S; Kahsai, Orsalem et al. (2012) Examination of ancestral informative markers and self-reported race with tumor characteristics of breast cancer among Black and White women. Breast Cancer Res Treat 134:801-9
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Dieli-Conwright, Christina M; Sullivan-Halley, Jane; Patel, Alpa et al. (2011) Does hormone therapy counter the beneficial effects of physical activity on breast cancer risk in postmenopausal women? Cancer Causes Control 22:515-22
Lu, Yani; Ma, Huiyan; Malone, Kathleen E et al. (2011) Oral contraceptive use and survival in women with invasive breast cancer. Cancer Epidemiol Biomarkers Prev 20:1391-7
Graber-Naidich, Anna; Gorfine, Malka; Malone, Kathleen E et al. (2011) Missing genetic information in case-control family data with general semi-parametric shared frailty model. Lifetime Data Anal 17:175-94
Udler, Miriam S; Ahmed, Shahana; Healey, Catherine S et al. (2010) Fine scale mapping of the breast cancer 16q12 locus. Hum Mol Genet 19:2507-15
Berstad, Paula; Coates, Ralph J; Bernstein, Leslie et al. (2010) A case-control study of body mass index and breast cancer risk in white and African-American women. Cancer Epidemiol Biomarkers Prev 19:1532-44

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