口服小剂量环磷酰胺联合卡培他滨维持治疗晚期三阴性乳腺癌的疗效

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现代肿瘤医学 20Байду номын сангаас9年 06月 第 27卷第 12期 MODERNONCOLOGY,Jun2019,VOL27,No12
·2097·
口服小剂量环磷酰胺联合卡培他滨维持治疗晚期三阴性乳腺癌的疗效
田美娟1,王 丽2,3,张 佳2,蔡 惠2,杨丹阳4
Theefficacyoforallow-dosecyclophosphamidecombinedwithcapecitabineinthe treatmentofmetastatictriple-negativebreastcancer
【Abstract】 Objective:Toinvestigatetheefficacyandsafetyoflow-dosecyclophosphamide(CTX)combinedwith capecitabine(CAP)maintenancetherapyinpatientswithmetastatictriple-negativebreastcancer(MBC).Methods: Theclinicaldataof68triple-negativeMBCpatientstreatedwithcapecitabine-basedcombinationchemotherapy wereretrospectivelyanalyzed.wheninitialdiseasecontrolwasachievedbythecombinationchemotherapy,theexperi mentalgroup34patientsweretreatedwithlowdoseofcyclophosphamidefororal50mg,onedailyond8~21ofevery3 -weekcycle,thencapecitabinewascontinuedfororal1000mg/m2,twicedailyond1~14,followedbya7drestperi od.Thecontrolgroup34patientsweretreatedwithsingle-agentcapecitabinemaintenancetherapy.Wecomparedthe timetoprogression(TTP),objectiveresponserate(ORR),diseasecontrolrate(DCR),qualityoflifeandsafetyofthe twogroups.Results:Aftercombinationchemotherapy,theORRwas29.4%,theDCRwas85.3% intheexperimental group.ORRwas14.7%,andDCRwas64.7% inthecontrolgroup.ThemedianTTPinexperimentalgroupandcon trolgroupwere12monthsvs6.9months,thedifferencewasstatisticallysignificant(P<0.05).ThemajorgradeⅠ / Ⅱtoxicitiesincludedhand-footsyndrome,gastrointestinaltoxicitiesandhematologictoxicitywerenotsignificantly differentbetweentwogroups.Thescoresofqualityoflifeintwogroupswereallsignificantlyincreasedaftertreatment, andthedifferencewasnotstatisticallysignificantbetweentwogroups(P>0.05).Conclusion:Orallowdoseofcyclo phosphamidecombinedwithcapecitabinemaintenancetherapyhasclinicalcurativeeffectandfavorablesafetyprofile intreatmentofmetastatictriple-negativebreastcancer,whichprovidesanoptionfortheadvancedtriple-negative breastcancer.Ithasacertainvalueofclinicalpromotionandapplication. 【Keywords】metastatictriple-negativebreastcancer(MBC),cyclophosphamide(CTX),capecitabine(CAP),ma intenancetherapy,metronomicchemotherapy
TianMeijuan1,WangLi2,3,ZhangJia2,CaiHui2,YangDanyang4
1TraditionalChineseHospitalofBaoji,ShaanxiUniversityofChineseMedicineAffiliatedHospital,ShaanxiBaoji721000,China;2First AffiliatedHospitalofXi'anJiaotongUniversity,ShaanxiXi'an710061,China;3Chang'anUniversity,ShaanxiXi'an710061,China;4The FirstClinicalCollegeofChongqingMedicalUniversity,Chongqing400016,China.
ModernOncology2019,27(12):2097-2100
【摘要】 目的:观察小剂量环磷酰胺(CTX)联合卡培他滨(CAP)维持治疗晚期三阴性乳腺癌的疗效及安全 性。方法:回顾性分析我院收治的经含卡培他滨方案两药联合化疗后达临床稳定的晚期三阴性乳腺癌患者 68例,实验组 34例给予口服环磷酰胺 50mg/d,d8~21,每 3周重复,联合卡培他滨 1000mg/m2,bid,d1~14,休 息 7天。对照组 34例患者仅给予口服卡培他滨单药维持治疗。观察 2组患者的 ORR、DCR、TTP、安全性及 对生活质量的影响。结果:经维持治疗后实验组 ORR为 29.4%,DCR为 85.3%;对照组 ORR为 14.7%,DCR 为 64.7%。实验组中位 TTP为 12个月,明显高于对照组中位 TTP6.9个月(P<0.05)。两组的主要不良反 应为手足综合征,实验组的胃肠道反应及血液学毒性稍高于对照组,均为Ⅰ -Ⅱ度。两组患者的生活质量评 分均较治疗前明显提高,治疗后组间差异无统计学意义(P>0.05)。结论:口服小剂量环磷酰胺联合卡培他
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