2024年11月16日,在中(zhong)國整合(he)腫(zhong)瘤學大(da)會(CCHIO)上(shang),2025版《中(zhong)國腫(zhong)瘤整合(he)診治(zhi)(zhi)指(zhi)南(nan)(CACA)》(瘤種篇)正式發布(bu)。2025年版CACA指(zhi)南(nan)瘤種篇新增了大(da)量中(zhong)國本土臨(lin)床研究數據,中(zhong)國證據的納(na)入比例(li)達到40%,進(jin)一步提(ti)升了指(zhi)南(nan)在我國腫(zhong)瘤診治(zhi)(zhi)中(zhong)的實際應用性。其中(zhong),在此(ci)次(ci)更新的CACA尿(niao)路上(shang)皮癌(ai)指(zhi)南(nan)中(zhong),洛鉑首次(ci)被納(na)入至尿(niao)路上(shang)皮癌(ai)相關內(nei)容,具有一定(ding)應用前景。
01 洛鉑
鉑(bo)(bo)類藥(yao)(yao)(yao)(yao)物(wu)(wu)是(shi)(shi)作(zuo)用(yong)(yong)機制(zhi)獨特的(de)(de)(de)廣譜抗(kang)癌化療藥(yao)(yao)(yao)(yao)物(wu)(wu),臨床(chuang)上常(chang)用(yong)(yong)的(de)(de)(de)鉑(bo)(bo)類藥(yao)(yao)(yao)(yao)物(wu)(wu)包括順鉑(bo)(bo)、卡(ka)鉑(bo)(bo)、奈達鉑(bo)(bo)、奧沙利鉑(bo)(bo)和洛鉑(bo)(bo)。順鉑(bo)(bo)抗(kang)腫(zhong)瘤活(huo)性(xing)(xing)(xing)(xing)強,被廣泛用(yong)(yong)于多種(zhong)實體瘤的(de)(de)(de)常(chang)規治療。然而,其原發(fa)或繼發(fa)性(xing)(xing)(xing)(xing)耐藥(yao)(yao)(yao)(yao),以(yi)及嚴(yan)重的(de)(de)(de)不良(liang)反(fan)應(ying)等(deng)是(shi)(shi)臨床(chuang)應(ying)用(yong)(yong)需克服的(de)(de)(de)問題。第(di)二(er)代鉑(bo)(bo)類藥(yao)(yao)(yao)(yao)物(wu)(wu)研發(fa)的(de)(de)(de)主要(yao)目標是(shi)(shi)減少或消除順鉑(bo)(bo)的(de)(de)(de)嚴(yan)重腎(shen)毒(du)性(xing)(xing)(xing)(xing),卡(ka)鉑(bo)(bo)在(zai)保(bao)持抗(kang)腫(zhong)瘤效果基本不變的(de)(de)(de)情況下(xia),毒(du)性(xing)(xing)(xing)(xing)大(da)大(da)降低,特別是(shi)(shi)腎(shen)毒(du)性(xing)(xing)(xing)(xing)得到較大(da)改(gai)善,極大(da)地拓展了(le)適用(yong)(yong)人(ren)群,但卡(ka)鉑(bo)(bo)與順鉑(bo)(bo)存在(zai)交(jiao)叉(cha)耐藥(yao)(yao)(yao)(yao)。第(di)三(san)代鉑(bo)(bo)類藥(yao)(yao)(yao)(yao)物(wu)(wu)的(de)(de)(de)研發(fa)主要(yao)針對其交(jiao)叉(cha)耐藥(yao)(yao)(yao)(yao),洛鉑(bo)(bo)水溶性(xing)(xing)(xing)(xing)較好(hao),腎(shen)毒(du)性(xing)(xing)(xing)(xing)、耳毒(du)性(xing)(xing)(xing)(xing)、神經毒(du)性(xing)(xing)(xing)(xing)均較輕,與卡(ka)鉑(bo)(bo)、順鉑(bo)(bo)相比,其穩定性(xing)(xing)(xing)(xing)更(geng)高、抗(kang)腫(zhong)瘤譜更(geng)廣以(yi)及功效更(geng)強。臨床(chuang)已將(jiang)洛鉑(bo)(bo)應(ying)用(yong)(yong)于多種(zhong)惡性(xing)(xing)(xing)(xing)腫(zhong)瘤的(de)(de)(de)治療,如肝癌、肺癌、食(shi)管癌、卵巢癌以(yi)及乳腺癌等(deng),多項研究表明(ming),洛鉑(bo)(bo)可通過多種(zhong)機制(zhi)抑(yi)制(zhi)腫(zhong)瘤增殖(zhi)。
02 肌層(ceng)浸潤性膀胱癌(MIBC)的(de)治療
MIBC單純手(shou)(shou)(shou)術治(zhi)(zhi)(zhi)療效(xiao)果不理想(xiang),聯(lian)合(he)新(xin)輔(fu)(fu)助(zhu)治(zhi)(zhi)(zhi)療可提高(gao)療效(xiao)。新(xin)輔(fu)(fu)助(zhu)治(zhi)(zhi)(zhi)療包括新(xin)輔(fu)(fu)助(zhu)化(hua)療(NAC)、放療(NAR)和免疫治(zhi)(zhi)(zhi)療,當前新(xin)輔(fu)(fu)助(zhu)治(zhi)(zhi)(zhi)療仍以NAC為主。NAC具有(you)(you)消除微轉(zhuan)移、降低(di)腫瘤(liu)分期、評(ping)估化(hua)療敏感性(xing)(xing)、降低(di)手(shou)(shou)(shou)術難度、減少并發癥和提高(gao)遠期生存(cun)作用,但可能(neng)(neng)延遲對(dui)NAC無效(xiao)的(de)手(shou)(shou)(shou)術時間(jian),而且基于(yu)臨(lin)床分期的(de)NAC可能(neng)(neng)存(cun)在過度治(zhi)(zhi)(zhi)療問(wen)題(ti)。多(duo)項前瞻性(xing)(xing)臨(lin)床研(yan)究證實NAC能(neng)(neng)顯著提高(gao)MIBC生存(cun)時間(jian)。NAC主要采用以順(shun)鉑(bo)為基礎(chu)的(de)聯(lian)合(he)化(hua)療方(fang)案(an),常用有(you)(you)吉西他濱+順(shun)鉑(bo)(GC)方(fang)案(an)、甲(jia)氨蝶(die)呤+長(chang)春堿+多(duo)柔(rou)比(bi)星+順(shun)鉑(bo)(MVAC)方(fang)案(an),劑量密集MVAC方(fang)案(an)和順(shun)鉑(bo)+甲(jia)氨蝶(die)呤+長(chang)春堿(CMV)方(fang)案(an)。但是,應(ying)用順(shun)鉑(bo)導(dao)致的(de)腎毒性(xing)(xing)以及耐藥(yao)性(xing)(xing)等問(wen)題(ti)也(ye)不容忽視。研(yan)究發現,與順(shun)鉑(bo)相比(bi)較,洛(luo)鉑(bo)有(you)(you)較低(di)的(de)腎、神經或耳毒性(xing)(xing),在一些臨(lin)床前腫瘤(liu)模型中,洛(luo)鉑(bo)能(neng)(neng)夠(gou)克服癌細胞產生的(de)順(shun)鉑(bo)耐藥(yao)性(xing)(xing),具有(you)(you)一定應(ying)用前景(jing),有(you)(you)望應(ying)用于(yu)MIBC。
相信隨(sui)著指(zhi)南的(de)推廣,未來更多(duo)的(de)臨床(chuang)研究和治療經驗將為洛(luo)鉑的(de)應(ying)用提供數據支持,為MIBC的(de)治療帶來更多(duo)可能性(xing)。
名(ming)譽(yu)主(zhu)編:樊代明(ming)主(zhu)編:李長嶺 姚欣(xin)副主(zhu)編:朱(zhu)剛(gang) 魏少忠(zhong) 李寧忱 邢念(nian)增
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