Chemotherapy vs Endocrine Therapy for Locally Advanced Breast Cancer
Author Information
Author(s): J.-C. Gazet, H.T. Ford, R.C. Coombes
Primary Institution: Combined Breast Clinic, St. George's Hospital
Hypothesis
Is chemotherapy more effective than endocrine therapy for patients with locally advanced breast cancer?
Conclusion
Chemotherapy is more effective than endocrine therapy in reducing the size of locally advanced breast cancer in the short term.
Supporting Evidence
- 27% of patients receiving chemotherapy showed complete clinical regression of the primary cancer.
- Only 10% of patients receiving endocrine therapy showed a greater than 50% reduction in tumor size.
- At 12 weeks, 90% of chemotherapy patients had a greater than 25% reduction in tumor volume.
Takeaway
This study found that chemotherapy helps shrink breast cancer tumors faster than hormone therapy.
Methodology
Patients were randomized to receive either chemotherapy or endocrine therapy for 12 weeks, followed by assessments of tumor size and response.
Limitations
The small sample size limits the ability to generalize the findings.
Participant Demographics
Patients aged 34-69, with a mix of premenopausal and postmenopausal women.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.001
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