简介：Objective:Apreviousstudydemonstratedthatnon-anthracycline-containingdocetaxelpluscyclophosphamide(TC)regimenwasinferiortodocetaxel,anthracyclineandcyclophosphamide(TAC)inneoadjuvanttreatmentoftriple-negativebreastcancer(TNBC)andhumanepidermalgrowthfactorreceptor-2-(HER2)-positivebreastcancerinashort-termfollow-up.Herein,long-termfollow-upsurvivaloutcomeshavebeeninvestigated.Methods:TNBCorHER2-positivepatientswererandomizedtoreceive6cyclesofTCorTACneoadjuvanttreatment.Theprimaryendpointwaspathologicalcompleteremission(pCR).Secondaryendpointsincludedclinicalresponserate,event-freesurvival(EFS),andoverallsurvival(OS).Results:Acohortof96patientsconsistedof45inTCand51inTACarm.Withamedianfollow-upperiodof53(range,8–76)months,thepatientsachievingpCRpostneoadjuvantchemotherapyexhibitedsuperiorEFSandOSthanpatientswithoutpCR(P<0.05).TACtreatmentresultedinconsistentlybetterEFSthanTCtreatment:theestimated5-yearEFSwas66.1%vs.29.8%(P=0.002).Moreover,theestimated5-yearOSwasalsoinfavorofTAC:88.4%vs.51.6%(P<0.001).Multivariableanalysisdemonstratedthatthetreatmentregimenwasanindependentprognosticfactor,andpatientstreatedwithTAChadasuperiorEFS[hazardratio(HR),0.48;95%confidenceinterval(95%CI),0.26–0.90;P=0.021]andOS(HR,0.20;95%CI,0.08–0.60;P=0.003).Conclusions:Theupdatedlong-termfollow-updatademonstratedasustainedbenefitinEFSandOSfromanthracycline-containingTACtreatment,indicatingthatanthracyclineisanessentialandeffectivedruginthisclinicaltrial.

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