Eur J Cancer:术后加入化疗可改善去分化软骨肉瘤(DDCS)预后: 来自EUROpean Bone Over 40 Sarcoma研究亚组分析结果

2021-05-24 yd2015 MedSci原创

对于去分化软骨肉瘤(DDCS),术后加入密集型化疗可以改善患者的预后,并且毒性可控可耐受。因此,化疗可考虑加入大于40岁DDCS患者的治疗中。

软骨肉瘤被认为是化疗不敏感的恶性肿瘤。去分化软骨肉瘤(DDCS)在软骨肉瘤中约占10-15%,其因含有高级别的去分化成分,认为具有未分化多形性肉瘤或骨肉瘤的特征,因此,去分化软骨肉瘤是一种更具侵袭性和恶性程度较高的恶性肿瘤。手术是其主要治疗方式,但是远处转移有可能在术前已经发生,或术后很短时间内发生。5年总生存期(OS)小于25%,中位生存小于1年。但是化疗在DDCS的作用是有争议的,因为回顾性研究发现化疗并不能改善患者OS。目前还没有前瞻性研究探讨这个问题。来自欧洲多个国家开展European over 40 Bone Sarcoma研究 (NCT02986503),目的是评估化疗在年龄大于40岁的不同类型高级别梭形或多形性细胞骨肉瘤患者中的疗效和安全性。近期,研究者在European Journal of Cancer杂志上发表了在去分化软骨肉瘤(DDCS)患者中的疗效和安全性。

该研究主要纳入41-65岁DDCS患者,化疗方案为阿霉素(60 mg/m 2 ),异环磷酰胺(6 g/m 2 ) 和顺铂(100 mg/m 2 ); 如果患者伴有应答较差的组织类型,可术后加入甲氨蝶呤(8 g/m 2 )。 根据临床特征,可分为直接手术+术后辅助化疗(9周期),或新辅助化疗(3周期)+手术+术后辅助化疗(6周期对于较好应答的组织类型,或11周期包括5周期甲氨蝶呤对于应答较差的组织类型)。

               化疗方案

共57例患者纳入研究,其中男性23例和女性34例。中位年龄为52岁 (range, 42e65)。大部分肿瘤位于四肢(37例; 65%)。34例患者 (60%) 为局限病变, 其他23例患者(40%) 为转移性病变。转移部位主要局限在肺(14例; 61%),骨骼系统(4例; 17%),而其他5例患者(22%)则转移至多个器官。

                  纳入患者概况

57例患者中,36例患者(63%)能够手术完全切除(SCR)。21例患者(37%)能够完成全部疗程化疗,40例患者(71%) 接受大于等于6 周期,而16例患者 (29%) 接受 <6 周期化疗。

所有患者的中位随访时间为20个月 (range, 4-128),最后随访时间仍然存活患者的中位随访时间为40个月(range, 5-128)。总体人群的中位OS为24个月(95%CI, 22-25), 5年OS率为 39%。肿瘤位于四肢的患者5年OS较位于躯干的患者数值上有所延长,但没有达到统计学差异(49% vs 29%,P=0.08)。同样,局限性患者的5年OS率为46%, 而转移性患者的5年OS率为29%,没有统计学差异(P=0.12)。能够SCR的患者较没有SCR患者明显延长5年OS(49% vs 23%,P=0.004)。

             不同分组OS对比

不良事件分析,所有患者都有出现不同程度的不良事件,36例患者(78%) 有至少一种III-IV级毒性反应,大多为血液学的。但是,没有治疗相关死亡出现。

             不良事件

综上,对于去分化软骨肉瘤(DDCS),术后加入密集型化疗可以改善患者的预后,并且毒性可控可耐受。因此,化疗可考虑加入大于40岁DDCS患者的治疗中。

原始出处:

Ivar Hompland, Stefano Ferrari, Stefan Bielack, et al. Outcome in dedifferentiated chondrosarcoma for patients treated with multimodal therapy: Results from the EUROpean Bone Over 40 Sarcoma Study. Eur J Cancer. 2021 May 11;151:150-158.  doi: 10.1016/j.ejca.2021.04.017.  Online ahead of print.

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1214332, encodeId=fd77121433207, content=<a href='/topic/show?id=251e10183059' target=_blank style='color:#2F92EE;'>#骨肉瘤#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101830, encryptionId=251e10183059, topicName=骨肉瘤)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211210/ede9c51184aa4f54ae6c1164cfb8eeac/967dbf3eff2943c7bf3ccfec3a776ab0.JPG, createdBy=a33789389, createdName=病毒猎手, createdTime=Mon Apr 25 22:36:53 CST 2022, time=2022-04-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1915220, encodeId=89ec191522038, content=<a href='/topic/show?id=05343619cf' target=_blank style='color:#2F92EE;'>#Bone#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3619, encryptionId=05343619cf, topicName=Bone)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7dc7399, createdName=apoenzyme, createdTime=Sat Mar 12 10:55:22 CST 2022, time=2022-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1728954, encodeId=b2011e2895426, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Mon May 09 08:55:22 CST 2022, time=2022-05-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=968135, encodeId=c90d96813582, content=好文章,谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Mon May 24 13:17:42 CST 2021, time=2021-05-24, status=1, ipAttribution=)]
    2022-03-12 apoenzyme
  3. [GetPortalCommentsPageByObjectIdResponse(id=1214332, encodeId=fd77121433207, content=<a href='/topic/show?id=251e10183059' target=_blank style='color:#2F92EE;'>#骨肉瘤#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101830, encryptionId=251e10183059, topicName=骨肉瘤)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211210/ede9c51184aa4f54ae6c1164cfb8eeac/967dbf3eff2943c7bf3ccfec3a776ab0.JPG, createdBy=a33789389, createdName=病毒猎手, createdTime=Mon Apr 25 22:36:53 CST 2022, time=2022-04-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1915220, encodeId=89ec191522038, content=<a href='/topic/show?id=05343619cf' target=_blank style='color:#2F92EE;'>#Bone#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3619, encryptionId=05343619cf, topicName=Bone)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7dc7399, createdName=apoenzyme, createdTime=Sat Mar 12 10:55:22 CST 2022, time=2022-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1728954, encodeId=b2011e2895426, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Mon May 09 08:55:22 CST 2022, time=2022-05-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=968135, encodeId=c90d96813582, content=好文章,谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Mon May 24 13:17:42 CST 2021, time=2021-05-24, status=1, ipAttribution=)]
    2022-05-09 仁医06
  4. [GetPortalCommentsPageByObjectIdResponse(id=1214332, encodeId=fd77121433207, content=<a href='/topic/show?id=251e10183059' target=_blank style='color:#2F92EE;'>#骨肉瘤#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101830, encryptionId=251e10183059, topicName=骨肉瘤)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211210/ede9c51184aa4f54ae6c1164cfb8eeac/967dbf3eff2943c7bf3ccfec3a776ab0.JPG, createdBy=a33789389, createdName=病毒猎手, createdTime=Mon Apr 25 22:36:53 CST 2022, time=2022-04-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1915220, encodeId=89ec191522038, content=<a href='/topic/show?id=05343619cf' target=_blank style='color:#2F92EE;'>#Bone#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3619, encryptionId=05343619cf, topicName=Bone)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7dc7399, createdName=apoenzyme, createdTime=Sat Mar 12 10:55:22 CST 2022, time=2022-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1728954, encodeId=b2011e2895426, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Mon May 09 08:55:22 CST 2022, time=2022-05-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=968135, encodeId=c90d96813582, content=好文章,谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Mon May 24 13:17:42 CST 2021, time=2021-05-24, status=1, ipAttribution=)]
    2021-05-24 yangchou

    好文章,谢谢分享。

    0

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