Application of pegylated recombinant human granulocyte colony-stimulating factor(PEG-rhG-CSF) for the prevention of neutropenia in triple negative breast cancer patients older than 65 years during adjuvant chemotherapy

Objective The aim of this study was to compare the efficacy and safety of pegylated recombinant human granulocyte colony-stimulating factor(PEG-rhG-CSF)and recombinant human granulocyte colonystimulating factor(rhG-CSF)for the prevention of neutropenia in elderly breast cancer patients during adjuvant chemotherapy.Methods A total of 45 oncology inpatients with breast cancer,who received adjuvant chemotherapy and were older than 65 years from May 2017 to October 2018 in the General Hospital of the Northern Theater of the Chinese people’s Liberation Army,were included.Epirubivin Cyclophoshamide-Docetaxel(EC-T)sequential adjuvant chemotherapy was chosen.Forty-five patients were randomly divided into two groups;25 patients in the treatment group were treated with PEG-rhG-CSF and 20 patients in the control group were not treated with PEG-rhG-CSF,but only rhG-CSF.The experimental group was treated with the PEG-rhG-CSF at the end of chemotherapy for 24–48 h,with a 6 mg subcutaneous injection once per chemotherapy cycle.In the control group,rhG-CSF was administered after 48 h of chemotherapy,with a 100μg subcutaneous injection,1/d,d 1–7.The dosage could be increased step by step with the exacerbation of neutropenia.The primary aims of this study was to discover the incidence of leukopenia,neutropenia,neutrophilic fever,and adverse reactions in the two groups.Results The incidence of neutropenia,neutrophilic fever and adverse reactions decreased in the treatment group compared to the control group,but no significant difference existed between two groups(P>0.05).Patients in treatment group had a lower,but not statistically significant,incidence of adverse reactions(P>0.05).Conclusion Applying PEG-rhG-CSF could be effective in preventing neutropenia in elderly patients with postoperative adjuvant chemotherapy to treat breast cancer.It may effectively control the occurrence of neutropenia after chemotherapy and reduce the chance of infection.The incidence of side effects,such as fever and bone pain,was low.The adverse drug reactions were well tolerated by patients,which could ensure the smooth progress of chemotherapy.

Pharmacokinetic Study of a Novel Recombinant Human Granulocyte Colony-stimulating Factor in Rats

Objective To study the pharmacokinetics of a novel recombinant human granulocyte colonystimulating factor (rhG-CSFa) in rats and to determine the proteolytic rates of rhG-CSFa in the whole blood and serum of rats in vitro. Methods The pharmacokinetics of rhG-CSFa and conventional (wild type,WT) granulocyte colonystimulating factor (G-CSF) were investigated in Sprague-Dawley rats which received either intravenous or subcutaneous injection of rhG-CSFa or WT G-CSF at three different doses (20,50,or 100 μg/kg). The blood samples of rats were collected at multiple time points (from 0.08 to 12 h) and the concentrations of rhG-CSFa and WT G-CSF in serum were determined with a sandwich enzyme-linked immunosorbent assay (ELISA). For the study of proteolytic rates in vitro,the concentrations of rhG-CSFa or WT G-CSF were determined at 3-minute intervals after addition of the respective drug to rat’s whole blood or serum. Results Pharmacokinetic analysis of serum rhG-CSFa or WT G-CSF levels indicated that,at each dose tested,for either route of drug administration,the area under concentration-time curve values and the maximum serum concentration of rhG-CSFa were higher than those of WT G-CSF,and the serum half life of rhG-CSFa was longer than that of WT G-CSF. Subsequent in vitro whole blood and serum stability study showed that the rates of drug degradation in WT G-CSF were 1.8 folds and 1.5 folds higher than those in rhG-CSFa,respectively. Conclusion rhG-CSFa has better serum and whole blood stability in vitro and higher bioavailability in vivo as compared to WT G-CSF.

Anti-apoptotic effects of recombinant human granulocyte colony-stimulating factor in focal cerebral ischemic rats

The neuroprotective effects of granulocyte colony-stimulating factor in cerebral ischemia/reperfusion injury are currently contentious. The present study examined the effects of subcutaneous injection of recombinant human granulocyte colony-stimulating factor （50 pg/kg） over 5 days in a model of cerebral ischemia/reperfusion with intraluminal filament occlusion in rats. The results indicated that recombinant human granulocyte colony-stimulating factor reduced brain infarct volume following cerebral ischemia/reperfusion injury in rats, down-regulated the expression of caspase-3 mRNA （a key protease for apoptosis in the cerebral ischemia zone）, lowered the rate of neuronal apoptosis in the cerebral ischemia zone, and notably ameliorated neurological function. These results indicate that recombinant human granulocyte colony-stimulating factor has anti-apoptotic effects on neurons following focal cerebral ischemia/reperfusion injury, and exerts neuroprotective effects.

A New Protocol for Solubilization, Refolding and Purification of Recombinant Human Granulocyte Colony-stimulating Factor in Inclusion Bodies

Recombinant human granulocyte colony-stimulating factor （rhG-CSF） in inclusion bodies was solubilized by 8 mol/L urea solution and subsequently precipitated by acetone to improve its purity. After that, the precipitates were solubilized by sodium hydroxide solution containing 2 mol/L urea. Then the solubilized rhG-CSF was passed through a size exclusion chromatography for refolding and extensive purification, and further purified by a weak anion exchange chromatography. The purity and mass recovery of refolded rhG-CSF were 96.5% and 75.6%, respectively. The bioactivity was 8.4x10^7 IU/mg.

CONSTRUCTION OF EUKARYOTIC EXPRESSION VECTOR WITH GRANULOCYTE-MACROPHAGE COLONY-STIMULATING FACTOR GENE

Objective: To construct the eukaryotic expression vector that express human granulocyte-macrophage colony-stimulating factor (hGM-CSF) gene for making highly express in mammalian cells. Methods: Extract totally RNA from the induced human fetal lung (HFL) cell line. HGM-CSF cDNA was obtained by reverse transcription-polymerase chain reaction (RT-PCR), and then directionally subcloned into the HindIII and EcoRI site on the pcDNA3.1 plasmid, which was controlled by the CMV promoter, to form the recombinant expressing vector pcDNA3.1-GM-CSF. Results: The PCR amplification was identified and the sequence was analyzed, the results showed that hGM-CSF was properly inserted into the vector and the sequence was correct.

Pharmacokinetics of recombinant human granulocyte macrophage colony-stimulating factor in Macaca mulata

目的：研究重组人粒细胞巨噬细胞集落刺激因子（ｒｈＧＭＣＳＦ）在恒河猴体内的药物动力学．方法：用酶连接免疫吸附测定法检测血浆中ｒｈＧＭＣＳＦ的含量．结果：ｉｖｒｈＧＭＣＳＦ后血药浓度时间曲线符合三房室模型．第１，２和３相的Ｔ１２分别为００５－００７ｈ，０１４－０５８ｈ和１４－４１ｈ．ＡＵＣ随剂量成比例增加．ｉｖ高剂量和低剂量的Ｃｌ和Ｋ１０都相似．ｓｃｒｈＧＭＣＳＦ后血药浓度的峰值为０９３±０１６μｇ·Ｌ－１，达峰时间为２６５±０１４ｈ，生物利用度为０６１．结论：恒河猴ｒｈＧＭＣＳＦ药物动力学数据为临床试验提供有用参考．

Clinical Study of Recombinant Human Granulocyte-Macrophage Colony-Stimulating Factor on Chemotherapy-Induced Leukopenia.

We have studied the efficacy and safery of recombinant human granulocyte-macrophate colony-stimulating factor

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

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 neutropeniarelated 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%(χ^(2)=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(χ^(2)=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(χ^(2)=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(χ^(2)=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.

APPLICATION OF RECOMBINANT HUMAN GRANULOCYTE COLONY-STIMULATING FACTOR (FILGRASTIM) FOLLOWING ALLOGENEIC BONE MARROW TRANSPLANTATION

The effect of rhG-CSF (Filgrastim by Amgen Co.as Neupogen and Kirin Co.as Gran) was evaluated in 20 patients with leukemia after allogeneic

Bioactive materials from berberine-treated human bone marrow mesenchymal stem cells promote alveolar bone regeneration by regulating macrophage polarization

Alveolar bone regeneration has been strongly linked to macrophage polarization.M1 macrophages aggravate alveolar bone loss,whereas M2 macrophages reverse this process.Berberine(BBR),a natural alkaloid isolated and refined from Chinese medicinal plants,has shown therapeutic effects in treating metabolic disorders.In this study,we first discovered that culture supernatant(CS)collected from BBR-treated human bone marrow mesenchymal stem cells(HBMSCs)ameliorated periodontal alveolar bone loss.CS from the BBR-treated HBMSCs contained bioactive materials that suppressed the M1 polarization and induced the M2 polarization of macrophages in vivo and in vitro.To clarify the underlying mechanism,the bioactive materials were applied to different animal models.We discovered macrophage colony-stimulating factor(M-CSF),which regulates macrophage polarization and promotes bone formation,a key macromolecule in the CS.Injection of pure M-CSF attenuated experimental periodontal alveolar bone loss in rats.Colony-stimulating factor 1 receptor(CSF1R)inhibitor or anti-human M-CSF(M-CSF neutralizing antibody,Nab)abolished the therapeutic effects of the CS of BBR-treated HBMSCs.Moreover,AKT phosphorylation in macrophages was activated by the CS,and the AKT activator reversed the negative effect of the CSF1R inhibitor or Nab.These results suggest that the CS of BBR-treated HBMSCs modulates macrophage polarization via the M-CSF/AKT axis.Further studies also showed that CS of BBR-treated HBMSCs accelerated bone formation and M2 polarization in rat teeth extraction sockets.Overall,our findings established an essential role of BBR-treated HBMSCs CS and this might be the first report to show that the products of BBR-treated HBMSCs have active effects on alveolar bone regeneration.

rhG-CSF在治疗儿童化疗性口腔黏膜炎中的应用研究

目的探究重组人粒细胞集落刺激因子(recombinant human granulocyte-colony stimulating factor,rhG-CSF)在治疗儿童化疗性口腔黏膜炎中的应用效果。方法选取2020年1月至2022年6月于笔者医院肿瘤外科化疗的60例化疗性口腔黏膜炎患儿,按随机数字表法分为两组,每组30例。对照组采取生理盐水口腔护理,实验组采取rhG-CSF口腔护理。比较两组患儿干预效果、口腔黏膜炎分度、生存质量[健康状况调查简表(36-item short—form,SF-36)]、患儿家长护理满意度。结果实验组总有效率较对照组高,差异有统计学意义(P<0.05)。干预5d,实验组患儿口腔黏膜炎分度结果优于对照组,差异有统计学意义(P<0.05)。干预5d,两组患儿SF-36评分较干预前高,实验组较对照组高,差异有统计学意义(P<0.05)。实验组患儿家长满意度较对照组高,差异有统计学意义(P<0.05)。结论rhG-CSF口腔护理可有效提高儿童化疗性口腔黏膜炎的干预效果,减轻口腔黏膜炎分度,改善患儿生存质量,提高患儿家长护理满意度。

超声清创术+外用重组人粒细胞巨细胞刺激因子凝胶剂对糖尿病足WagnerⅡ、Ⅲ级溃疡治疗效果及愈合情况分析

目的探究超声清创术+外用重组人粒细胞巨细胞刺激因子凝胶剂在糖尿病足WagnerⅡ、Ⅲ级溃疡治疗中的应用效果。方法选取2023年2月—2024年2月江苏省靖江市人民医院内分泌科及烧伤整形科收治的70例糖尿病足WagnerⅡ、Ⅲ级溃疡患者为研究对象,以随机数表法分为参照组(35例,予以常规清创+胰岛素治疗)和研究组(35例,予以超声清创术+外用重组人粒细胞巨细胞刺激因子凝胶剂治疗)。比较两组溃疡面愈合率、炎症因子水平及治疗总有效率。结果治疗后2周,研究组溃疡创面愈合率略高于参照组,差异有统计学意义(P<0.05);治疗后1、2个月,研究组溃疡创面愈合率明显高于参照组,差异有统计学意义(P均<0.05)。治疗前,两组降钙素原、超敏C反应蛋白水平比较,差异无统计学意义(P均>0.05)。治疗后,两组降钙素原、超敏C反应蛋白水平均降低,且研究组显著低于参照组,差异有统计学意义(P均<0.05)。研究组WagnerⅡ、Ⅲ级溃疡治疗总有效率高于参照组,差异有统计学意义(P<0.05)。结论超声清创术联合外用重组人粒细胞巨细胞刺激因子凝胶剂可促进糖尿病足WagnerⅡ、Ⅲ级溃疡面愈合,控制血清炎症因子水平,整体疗效显著。

Granulocyte Colony-stimulating Factor-primed Bone Marrow： An Excellent Stem-cell Source for Transplantation in Acute Myelocytic Leukemia and Chronic Myelocytic Leukemia

Background：Steady-state bone marrow （SS-BM） and granulocyte colony-stimulating growth factor-primed BM/peripheral blood stem-cell （G-BM/G-PBSC） are the main stem-cell sources used in allogeneic hematopoietic stem-cell transplantation.Here,we evaluated the treatment effects of SS-BM and G-BM/G-PBSC in human leucocyte antigen （HLA）-identical sibling transplantation.Methods：A total of 226 patients （acute myelogenous leukemia-complete remission 1,chronic myelogenous leukemia-chronic phase 1） received SS-BM,G-BM,or G-PBSC from an HLA-identical sibling.Clinical outcomes （graft-versus-host disease [GVHD],overall survival,transplant-related mortality [TRM],and leukemia-free survival [LFS]） were analyzed.Results：When compared to SS-BM,G-BM gave faster recovery time to neutrophil or platelet （P 〈 0.05）.Incidence of grade Ⅲ-Ⅳ acute GVHD and extensive chronic GVHD （cGVHD） was lower than seen with SS-BM （P 〈 0.05） and similar to G-PBSC.Although the incidence of cGVHD in the G-BM group was similar to SS-BM,both were lower than G-PBSC （P 〈 0.05）.G-BM and G-PBSC exhibited similar survival,LFS,and TRM,but were significantly different from SS-BM （P 〈 0.05）.There were no significant differences in leukemia relapse rates among the groups （P 〉 0.05）.Conclusions：G-CSF-primed bone marrow shared the advantages of G-PBSC and SS-BM.We conclude that G-BM is an excellent stem-cell source that may be preferable to G-PBSC or SS-BM in patients receiving HLA-identical sibling hematopoietic stem-cell transplantation.

聚乙二醇化重组人粒细胞刺激因子预防急性淋巴细胞白血病患儿化疗后中性粒细胞减少的临床疗效观察

目的探讨聚乙二醇化重组人粒细胞刺激因子(PEG-rhG-CSF)预防急性淋巴细胞白血病(ALL)患儿化疗后中性粒细胞减少的临床疗效。方法回顾性分析2020年7月至2023年7月在绵阳市中心医院就诊的60例急性ALL患儿的临床资料。根据治疗方法不同将患儿分为观察组和对照组,各30例。对照组采用重组人粒细胞刺激因子(rhG-CSF)进行干预,观察组采用PEG-rhG-CSF进行干预。比较两组患儿化疗前及化疗3周后绝对中性粒细胞计数(ANC)和白细胞计数(WBC)水平,化疗后3周的中性粒细胞减少的开始时间、持续时间和结束时间,比较两组患儿化疗3周后在白细胞降低发生率、中性粒细胞减少症(FN)发生率及不良反应发生率。结果化疗3周后,两组患者的ANC、WBC水平均较化疗前升高,且观察组患儿的ANC、WBC水平分别为(6.77±4.22)×10^(9)/L、(9.17±3.36)×10^(9)/L,均明显高于对照组[(6.34±2.34)×10^(9)/L、(8.91±3.56)×10^(9)/L],差异均有统计学意义(P<0.05)。两组患儿中性粒细胞减少的开始时间比较,差异无统计学意义(P>0.05);观察组患儿中性粒细胞减少的持续时间和结束时间分别为(8.99±3.31)、(4.79±1.18)d,均明显短于对照组[(15.56±4.91)、(6.97±3.32)d],差异均有统计学意义(P<0.05)。观察组患儿白细胞降低率、FN实际发生率、再住院率和抗生素使用率分别为30.00%、10.00%、3.33%、3.33%,均明显低于对照组(56.67%、40.00%、43.33%、36.67%),差异均有统计学意义(P<0.05)。观察组患儿的ANC减少、感染、骨骼肌肉酸痛、腹泻、恶心呕吐发生率分别为16.67%、6.67%、3.33%、6.67%、10.00%,均明显低于对照组(43.33%、30.00%、16.67%、26.67%、36.67%),差异均有统计学意义(P<0.05)。结论PEG-rhG-CSF能明显缩短急性ALL患儿化疗后中性粒细胞减少的持续时间和结束时间,且不良反应发生率低,在预防急性ALL患儿化疗后中性粒细胞减少方面疗效显著,安全性较高。

PEG-rhG-CSF在血液肿瘤自体造血干细胞动员中的临床分析

目的:探讨无外周血CD34监测下聚乙二醇重组人粒细胞集落刺激因子(PEG-rhG-CSF)在血液肿瘤自体外周血干细胞动员中的采集时机及采集效果。方法:回顾性分析2017年8月至2022年1月福建医科大学附属第一医院收治的46例行自体外周血干细胞动员的血液恶性肿瘤患者。采用大剂量化疗联合PEG-rhG-CSF或重组人粒细胞集落刺激因子(G-CSF)动员方案,其中应用PEG-rhG-CSF动员的27例(PEG-rhG-CSF组),应用G-CSF动员的19例(G-CSF组),比较两组患者动员采集效果。结果:46例患者共采集86例次,PEG-rhG-CSF组与G-CSF组获得采集物的单个核细胞中位数分别为6.54(3.85-12.61)×10^(8)/kg和6.15(1.13-11.58)×10^(8)/kg(P>0.05),采集物CD34^(+)细胞数分别为11.44(1.33-65.02)×10^(6)/kg和4.95(0.30-24.02)×10^(6)/kg(P<0.05),采集时机分别为14(10-20)和14(4-22)d(P>0.05)。PEG-rhG-CSF组在外周血白细胞(WBC)≥10×10^(9)/L时单次所采集的产物CD34^(+)细胞数明显高于外周血WBC<10×10^(9)/L时采集的数量[19.04(2.85-65.02)×10^(6)/kg vs 6.22(0.81-34.86)×10^(6)/kg,(P<0.05)]。结论:采用PEG-rhG-CSF动员外周血干细胞单次采集足量CD34^(+)细胞成功率高,中位动员时间为14 d;在无外周血CD34监测情况下,外周血WBC≥10×10^(9)/L可以考虑作为单次采集足量干细胞的采集阈值。

重组人粒细胞集落刺激因子联合阿司匹林对不明原因不孕症患者子宫内膜容受性的影响

目的探讨重组人粒细胞集落刺激因子(rhG-CSF)联合阿司匹林对不明原因不孕症患者子宫内膜容受性的影响。方法回顾性分析2020年10月至2022年10月河北燕达医院收治的97例不明原因不孕症患者的临床资料。根据治疗方式分为常规组(n=48,采用阿司匹林治疗)和联合组(n=49,采用rhG-CSF联合阿司匹林治疗)。比较两组治疗前后的子宫内膜厚度、子宫血流灌注指标[子宫动脉阻力指数(RI)、搏动指数(PI)、收缩期流速与舒张期流速比值(S/D)],比较两组的妊娠结局。结果治疗后,联合组子宫内膜厚度大于常规组,差异具有统计学意义(P<0.05)。治疗后,两组RI、PI及S/D值均降低,且联合组低于常规组,差异具有统计学意义(P<0.05)。治疗后,联合组生化妊娠率、临床妊娠率均高于常规组,差异具有统计学意义(P<0.05)。结论rhG-CSF联合阿司匹林治疗不明原因不孕症患者,可提高其的子宫内膜容受性,改善子宫血流灌注,有效提高妊娠率。

聚乙二醇化重组人粒细胞刺激因子在预防恶性肿瘤患者化疗后骨髓抑制中的疗效观察

目的探讨预防恶性肿瘤化疗后骨髓抑制的方法。方法将化疗后发生过骨髓抑制的110例恶性肿瘤患者随机分为观察组(60例)和对照组(50例),本次化疗结束48 h后,观察组单次皮下注射PEG-rhG-CSF,对照组不预防给药。观察两组中性粒细胞减少程度及不良反应情况。结果观察组中性粒细胞降低发生率为46.67%,高于对照组的80%(χ^(2)=12.84,P<0.01);两组不良反应发生率比较无统计学意义(χ^(2)=0.01,P=0.913)。结论恶性肿瘤患者化疗后应用PEG-rhG-CSF可减轻骨髓抑制,安全性高。

经完全性手术切除的Ⅱ~ⅢA期EGFR野生型NSCLC术后辅助化疗中预防应用PEG-rhG-CSF的临床获益分析

目的探究经完全性手术切除的Ⅱ~ⅢA期表皮生长因子受体(EGFR)野生型非小细胞肺癌(NSCLC)术后辅助化疗中预防应用聚乙二醇化重组人粒细胞集落刺激因子(PEG-rhG-CSF)的临床获益。方法前瞻性选取2019年2月至2021年2月广东医科大学附属医院经完全性手术切除的Ⅱ~ⅢA期EGFR野生型NSCLC术后辅助化疗患者90例作为研究对象,根据随机数字表法将患者分为观察组与对照组,每组各45例。对照组预防性应用重组人粒细胞(rhG-CSF),观察组预防性应用PEG-rhG-CSF。对患者随访3个月,比较两组治疗前及治疗1、3、5、10 d后的白细胞计数、中性粒细胞计数水平及白细胞减少症、中性粒细胞减少症发生情况,并记录患者随访期内化疗后的不良反应情况。结果两组患者在治疗前及治疗1、3、5 d后的白细胞计数水平比较,差异均无统计学意义(P>0.05);治疗10 d后,观察组患者的白细胞计数水平为(5.65±1.11)×10^(9)/L,高于对照组[(4.66±1.08)×10^(9)/L],差异有统计学意义(P<0.05)。两组患者在治疗前及治疗1、3、5 d后的中性粒细胞计数水平比较,差异均无统计学意义(P>0.05);治疗10 d后,观察组患者的中性粒细胞计数水平为(3.61±1.51)×10^(9)/L,高于对照组[(2.65±1.46)×10^(9)/L],差异有统计学意义(P<0.05)。观察组患者2、3级白细胞减少症和中性粒细胞减少症发生率分别为15.56%、11.11%,均低于对照组(35.56%、42.22%),差异均有统计学意义(P<0.05)。两组患者在骨骼肌疼痛、疲劳、感染、发热、胃肠反应等方面比较,差异均无统计学意义(P>0.05)。结论对经完全性手术切除后Ⅱ~ⅢA期EGFR野生型NSCLC患者,术后辅助化疗中预防应用PEG-rhG-CSF可以提高白细胞计数和中性粒细胞计数水平,并减少白细胞减少症和中性粒细胞减少症的发生,有助于改善患者的免疫功能和预后。

四君子汤联合rhG-CSF对卵巢癌患者术后化疗导致白细胞降低的临床效果

目的分析四君子汤联合重组人粒细胞刺激因子注射液(rhG-CSF)对卵巢癌患者术后化疗导致白细胞降低的临床效果。方法选取80例卵巢癌术后化疗导致白细胞降低患者,随机分为对照组(40例)和联合组(40例)。其中对照组给予rhG-CSF治疗,联合组给予四君子汤联合rhG-CSF治疗。比较2组Th1类细胞因子水平[肿瘤坏死因子α(TNF-α)、γ-干扰素(IFN-γ)、白细胞介素-2(IL-2)],Th2类细胞因子水平[白细胞介素-6(IL-6)、白细胞介素-4(IL-4)、白细胞介素-10(IL-10)],白细胞计数(WBC)、血小板计数(PLT)、中性粒细胞计数(NE),中医证候积分,临床疗效及不良反应发生情况。结果与治疗前比较,2组治疗后血清TNF-α、IL-6、IL-4、IL-10水平、神疲乏力、自汗盗汗、食少纳呆、腰膝酸软等中医证候积分均明显降低(P<0.05),且与对照组比较,观察组明显降低(P<0.05);2组血清IFN-γ、IL-2、WBC、PLT、NE水平明显升高(P<0.05),且与对照组比较,观察组明显升高(P<0.05);观察组总有效率(52.50%)明显高于对照组(30.00%)(P<0.05);观察组不良反应发生率(2.50%)明显低于对照组(20.00%)(P<0.05)。结论四君子汤联合rhG-CSF治疗卵巢癌术后化疗导致白细胞降低患者可有效改善临床症状,升高白细胞水平,提高免疫功能,安全有效。