A retrospective study of pegylated recombinant human granulocyte colony-stimulating factor (PEG-rhG-CSF) in preventing neutropenia during definitive concurrent chemoradiotherapy in patients with esophageal squamous carcinoma
Xin Dong, Wei Deng, Leilei Jiang, Dan Yang, Huiming Yu, Dongming Li, Anhui Shi, Rong Yu, Weihu Wang
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Abstract
Objective
To compare the efficacy and safety of pegylated recombinant human granulocyte colony-stimulating factor (PEG-rhG-CSF) for preventive or delayed treatment in neutropenia, completion rate of concurrent chemoradiotherapy and hospitalization rate in patients with esophageal squamous carcinoma during definitive concurrent chemoradiotherapy.
Methods
A total of 70 patients with esophageal squamous carcinoma in Peking University Cancer Hospital from January 2019 to December 2020, who received PEG-rhG-CSF during concurrent chemoradiotherapy, were enrolled in this retrospective analysis. There were 32 patients in the preventive group, and 38 patients in the delayed group. The incidence of neutropenia, completion rate of concurrent chemoradiotherapy and neutropenia-related hospitalization rate were compared between PEG-rhG-CSF preventive group and delayed group.
Results
The incidence of severe neutropenia (Grades 3–4) in all patients was 31.4%. Comparison between preventive group and delayed group showed that the incidence of severe neutropenia was 6.3% and 39.4% (χ2 = 10.428, P = 0.001), respectively. In preventive group, the incidence of severe neutropenia was 3.7% and 20.0%, respectively, for primary prevention and secondary prevention of PEG-rhG-CSF (χ2 = 12.321, P = 0.001). The completion rate of concurrent chemoradiotherapy was 93.8% in the preventive group and 63.2% in the delayed group (χ2 = 9.220, P = 0.002). The incidence of treatment interruption was 25.7% in the whole group, 12.5% in the preventive group and 36.8% in the delayed group (χ2 = 5.389, P = 0.020). Seven patients (7/70, 10.0%) were hospitalized and treated with intravenous antibiotics for neutropenia, including 1 in the preventive group and 6 in the delayed group (P = 0.078).
Conclusions
Prophylactic use of PEG-rhG-CSF during concurrent chemoradiotherapy for patients with esophageal squamous carcinoma can effectively reduce the incidence of neutropenia, ensure the safety of treatment, and improve the completion rate of concurrent chemoradiotherapy.
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