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Purpose <p>We examined the impact of the COVID-19 consortium recommendations on the surgical management of breast cancer during the first year of the pandemic.</p> Methods <p>Patients with newly diagnosed ER + DCIS, ER- DCIS, AJCC Stage cT1-2N0-1 ER + , HER2-, HER2 + , and triple negative breast cancer were identified from the National Cancer Database from 2018 to 2021. An interrupted time series design evaluated differences in surgical delay and use of neoadjuvant chemotherapy/immunotherapy (NAC) and endocrine therapy (NET) before and after the pandemic.</p> Results <p>A total of 895116 female patients were included in the study with a mean age of 61.7&#xa0;years. Time to surgery decreased by an average 5.5&#xa0;days from January 2020 to May 2020 for all breast cancer types, corresponding with a 62.2% decrease in breast cancer diagnoses per month from January 2020 to April 2020. The use of NET increased from 5.6 to 23.6% from January to March 2020 for patients with ER + DCIS and 8.0 to 31.1% for ER + cT1-2N0 cancer (both <i>p</i> &lt; 0.01). The use of NAC for HER2 + tumors and triple negative breast cancers has been increasing since 2018 and a larger than expected increase was seen from 57.2 to 63.6% for HER2 + tumors and 55.6 to 68.7% for triple negative breast cancers (both <i>p</i> &lt; 0.01). Treatment practices returned to pre-pandemic levels in June 2020.</p> Conclusion <p>Prior to the publication of the Consortium recommendations, time to surgery decreased while the use of NET and NAC increased, with the resumption of pre-pandemic practices by June 2020.</p>

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Did the COVID-19 consortium recommendations impact the treatment of breast cancer during the COVID-19 pandemic?

  • 期刊论文

  • 发表日期：

    2025年1月26日

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  • Marie L. Fefferman,
  • Kelley Chan,
  • Joseph Cotler,
  • Danielle M. Thompson,
  • Richard J. Bleicher,
  • Scott H. Kurtzman,
  • Jill M. Dietz,
  • Katharine Yao

摘要

Purpose

We examined the impact of the COVID-19 consortium recommendations on the surgical management of breast cancer during the first year of the pandemic.

Methods

Patients with newly diagnosed ER + DCIS, ER- DCIS, AJCC Stage cT1-2N0-1 ER + , HER2-, HER2 + , and triple negative breast cancer were identified from the National Cancer Database from 2018 to 2021. An interrupted time series design evaluated differences in surgical delay and use of neoadjuvant chemotherapy/immunotherapy (NAC) and endocrine therapy (NET) before and after the pandemic.

Results

A total of 895116 female patients were included in the study with a mean age of 61.7 years. Time to surgery decreased by an average 5.5 days from January 2020 to May 2020 for all breast cancer types, corresponding with a 62.2% decrease in breast cancer diagnoses per month from January 2020 to April 2020. The use of NET increased from 5.6 to 23.6% from January to March 2020 for patients with ER + DCIS and 8.0 to 31.1% for ER + cT1-2N0 cancer (both p < 0.01). The use of NAC for HER2 + tumors and triple negative breast cancers has been increasing since 2018 and a larger than expected increase was seen from 57.2 to 63.6% for HER2 + tumors and 55.6 to 68.7% for triple negative breast cancers (both p < 0.01). Treatment practices returned to pre-pandemic levels in June 2020.

Conclusion

Prior to the publication of the Consortium recommendations, time to surgery decreased while the use of NET and NAC increased, with the resumption of pre-pandemic practices by June 2020.