Predictors of Long-Term Outcomes in High-Risk Breast Cancer After High-Dose Chemotherapy
Author Information
Author(s): Somlo G, Simpson J F, Frankel P, Chow W, Leong L, Margolin K, Morgan R Jr, Raschko J, Shibata S, Forman S, Kogut N, McNamara M, Molina A, Somlo E, Doroshow J H
Primary Institution: City of Hope National Medical Center
Hypothesis
What factors predict long-term outcomes in high-risk breast cancer patients treated with high-dose chemotherapy?
Conclusion
High-risk breast cancer patients with more adverse risk factors have significantly worse relapse-free and overall survival rates.
Supporting Evidence
- Patients with primary tumors displaying 3 or more risk factors had a 58% relapse-free survival rate.
- Patients treated with non-doxorubicin containing standard adjuvant therapy experienced worse overall survival.
- Adjuvant tamoxifen improved overall survival in high-risk breast cancer patients.
Takeaway
This study looked at breast cancer patients who had a lot of risk factors and found that those with more bad signs in their tumors didn't do as well after treatment.
Methodology
The study analyzed tumor samples from 90 of 114 patients to assess risk factors and their impact on survival.
Potential Biases
Potential bias due to the selection of patients and the retrospective nature of the study.
Limitations
The study is retrospective and based on a selected patient population, which may limit generalizability.
Participant Demographics
Patients were high-risk breast cancer patients aged ≤65 years with a Karnofsky performance status of ≥80%.
Statistical Information
P-Value
P=0.04
Confidence Interval
95% CI, 44–74%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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