Related Experiment Videos
Who should not receive chemotherapy? Data from American databases and trials
1Lynn Sage Breast Center, Department of Surgery, Northwestern University, 675 N. St. Clair St., Galter 13-104, Chicago, IL 60611, USA. mmorrow@nmh.org
Journal of the National Cancer Institute. Monographs
|January 5, 2002
Summary
Not all breast cancer patients need chemotherapy. Certain groups, like those with small, early-stage tumors or older women, may see minimal benefit, suggesting chemotherapy should be carefully considered.
Area of Science:
- Oncology
- Clinical Medicine
Background:
- Chemotherapy is effective for premenopausal and postmenopausal women with breast cancer, irrespective of estrogen receptor (ER) status.
- This effectiveness prompts an evaluation of universal chemotherapy recommendations for all breast cancer patients.
Purpose of the Study:
- To identify patient groups who may receive minimal benefit from chemotherapy.
- To refine chemotherapy decision-making for specific breast cancer subgroups.
Main Methods:
- Analysis of patient subgroups based on tumor size, grade, histology, menopausal status, ER status, and age.
- Evaluation of chemotherapy benefit versus risk in different patient populations.
Main Results:
- Patients with lymph node-negative tumors ≤1 cm, grade 1 tumors 1.1–2.0 cm, or favorable histology (tubular, mucinous) up to 3 cm, have a favorable prognosis with limited chemotherapy benefit.
- Postmenopausal women with ER-positive, lymph node-negative cancer on tamoxifen represent a subgroup where chemotherapy benefit is uncertain and should be reserved for high-risk cases.
- No identified benefit of chemotherapy in women aged 70 years and older, as other causes of death may outweigh survival gains.
Conclusions:
- Chemotherapy should be selectively used, reserving it for patients with a high likelihood of significant benefit.
- Careful patient selection is crucial to balance chemotherapy's risks and benefits, particularly in specific subgroups like older women or those with early-stage disease.