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Published in: BMC Cancer 1/2023

Open Access 01-12-2023 | Anthracycline | Research

“Moderate” adjuvant chemotherapy-induced leukopenia is beneficial for survival of patients with early breast cancer: a retrospective study

Authors: Li Wang, Chang Jiang, Na Wang, Yan-Ling Wen, Si-Fen Wang, Cong Xue, Xi-Wen Bi, Zhong-Yu Yuan

Published in: BMC Cancer | Issue 1/2023

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Abstract

Background

The association between chemotherapy-induced leukopenia (CIL) and survival for patients with early breast cancer (EBC) is not known. We investigated the relationship between different grades of CIL and survival in patients with EBC receiving adjuvant chemotherapy.

Methods

A total of 442 patients with EBC receiving a regimen containing an anthracycline (A) and taxane (T) were included into our analysis. Survival analyses were undertaken using Kaplan–Meier curves. The P-value was calculated using the log rank test. Subgroup analysis was conducted to investigate the correlation of CIL grade and survival based on the clinicopathological characteristics of patients. Afterwards, univariate and multivariate analyses screened out independent prognostic factors to construct a prognostic model, the robustness of which was verified.

Results

Patients with EBC who experienced grade 2–4 (“moderate” and “severe”) CIL were associated with longer overall survival (OS) than those with grade 0–1 (mild) CIL (P = 0.021). Compared with patients with mild CIL, OS was longer in patients with severe CIL (P = 0.029). Patients who suffered from moderate CIL tended to have longer OS than those with mild CIL (P = 0.082). Nevertheless, there was no distinguishable difference in OS between moderate- or severe-CIL groups. Subgroup analysis revealed that patients with moderate CIL had longer OS than those with mild CIL among patients who were premenstrual, or with human epidermal growth factor receptor 2-positive (HER2+), > 3 lymph nodes with metastases, a tumor diameter > 5 cm. A prognostic model based on menstrual status, N stage, and CIL grade showed satisfactory robustness.

Conclusion

The grade of CIL was strongly associated with the prognosis among patients with EBC who received a regimen containing both anthracyclines and taxanes. Patients with a “moderate” CIL grade tended to have better survival outcomes.
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Metadata
Title
“Moderate” adjuvant chemotherapy-induced leukopenia is beneficial for survival of patients with early breast cancer: a retrospective study
Authors
Li Wang
Chang Jiang
Na Wang
Yan-Ling Wen
Si-Fen Wang
Cong Xue
Xi-Wen Bi
Zhong-Yu Yuan
Publication date
01-12-2023
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2023
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-023-11680-x

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