Table 2.
Breast tumor sample set: Origin | Set A: DBCG82 b/c | Set C: MDACC |
---|---|---|
Patient number | 128 | 95 |
Tumor subtype | ||
Hormone receptor (HR)-positive | 42 (LumA), 27 (LumB), 17 (normal-like) |
64 |
HER2-positive | 18 (erbB2) | 10 |
Triple (receptor)-negative | 24 (basal) | 21 |
Stage | ||
Unknown | 0 | 0 |
Ductal carcinoma in situ (DCIS) | 0 | 3 |
1 | 1 | 17 |
2 | 63 | 46 |
3 | 64 | 22 |
4 | 0 | 7 |
Grade | ||
1 | 19 | 6 |
2 | 52 | 38 |
3 | 30 | 49 |
Unknown | 27 | 2 |
Adjuvant treatment | ||
Tamoxifen | 77 | 19 |
Aromatase inhibitor | 0 | 38 |
Cytotoxic chemotherapy | 51 (CMF) | 65 (anthracycline and/or taxane) |
Trastuzumab | 0 | 1 |
In the Danish DBCG82 b and c breast cancer studies (Set A), premenopausal women with high-risk breast cancer were randomized to receive radiation therapy plus cyclophosphamide, methotrexate, and fluorouracil (CMF) or to CMF chemotherapy alone, and postmenopausal women with high-risk breast cancer were randomized to receive radiation therapy plus tamoxifen (30 mg daily for 1 year) or tamoxifen alone (PMID: 10335782)
CMF cyclophosphamide, methotrexate, and fluorouracil, Lum luminal, MDACC M. D. Anderson Cancer Center