AI Article Synopsis
- This research studied how a treatment called postmastectomy radiotherapy (PMRT) affects survival in patients with inflammatory breast cancer (IBC).
- The data was collected from a large health database, and it found that patients who received PMRT had better survival rates than those who didn't.
- The results suggest that PMRT can be helpful for many IBC patients, making it an important treatment option.
Article Abstract
Objectives: The survival benefit of postmastectomy radiotherapy (PMRT) has not been fully proven in inflammatory breast cancer (IBC). Thus, in the present research, we aimed at elucidating the effects of PMRT on the survival of IBC patients.
Methods: Eligible patients were collected from the Surveillance, Epidemiology, and End Results (SEER) dataset between 2010 and 2013. The Kaplan-Meier method along with the log-rank test was utilized for the comparison of both the overall survival (OS) andthe cancer-specific survival (CSS) in patients undergoing PMRT or not. Additionally, multivariate survival analysis of CSS and OS were performed using the Cox proportional hazard model.
Results: In total, 293 eligible cases were identified, with the median follow-up time of 27 months (range: 5-59 months). After propensity score matching (PSM), 188 patients (94 for each) were classified intothe No-PMRT and the PMRT group. Consequently, significantly higher OS rates were detected in the PMRT group compared with the No-PMRT group prior to PSM ( = 0.034), and significantly higher CSS ( = 0.013) and OS ( = 0.0063) rates were observed following PSM. Furthermore, multivariate analysis revealed thatPMRT [CSS (HR: 0.519, 95% CI [0.287-0.939], = 0.030); OS (HR: 0.480, 95% CI [0.269-0.859], = 0.013)], as well as Her2+/HR+ subtype, was independent favorable prognostic factors.Besides, black ethnicity, AJCC stage IV and triple-negative subtype were independent unfavorable prognostic factors. Further subgroup analysis revealed that most of the study population could benefit from PMRT, no matter OS or CSS.
Conclusions: Our findings support that PMRT could improve the survival of IBC patients.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7003697 | PMC |
| http://dx.doi.org/10.7717/peerj.8512 | DOI Listing |
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