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      低劑量阿帕替尼治療晚期胃癌療效及安全性分析

      2019-04-25 03:21:38曾世彬徐焱堯李鷹飛龍劍查國(guó)華
      中國(guó)現(xiàn)代醫(yī)生 2019年7期
      關(guān)鍵詞:晚期胃癌阿帕替尼不良反應(yīng)

      曾世彬 徐焱堯 李鷹飛 龍劍 查國(guó)華

      [摘要] 目的 回顧性分析低劑量阿帕替尼治療晚期胃癌的臨床療效及不良反應(yīng)。 方法 收集51例應(yīng)用阿帕替尼治療三線(xiàn)及三線(xiàn)以上晚期胃癌患者,早餐后口服500 mg/d,觀察不良反應(yīng),定期復(fù)查評(píng)價(jià)療效,隨訪(fǎng)記錄生存時(shí)間。 結(jié)果 CR 患者0例,PR患者4例(6.67%),SD患者18例(35.29%),PD患者29例(56.87%),ORR為7.84%(4/51),DCR為43.13%(22/51)。單因素分析ECOG PS 評(píng)分0~1分患者有效率高于2分患者(P=0.001),合并手足綜合征、高血壓和蛋白尿,其治療有效率高于無(wú)相應(yīng)不良反應(yīng)者(均P<0.05),多因素Logistic回歸分析顯示:ECOG PS、合并手足綜合征、高血壓是療效獨(dú)立預(yù)測(cè)因素(均P<0.05)?;颊適PFS 3.43個(gè)月(95% CI,3.19~3.68),mOS 4.36個(gè)月(95% CI 3.84~4.90),亞組分析顯示:DCR組mOS顯著長(zhǎng)于PD組(6.32個(gè)月vs 2.90個(gè)月,P<0.05)。 結(jié)論 低劑量阿帕替尼(500 mg/d)治療三線(xiàn)及三線(xiàn)以上晚期胃癌療效確切,安全性良好,不良反應(yīng)可控。

      [關(guān)鍵詞] 晚期胃癌;阿帕替尼;療效;不良反應(yīng);安全性

      [中圖分類(lèi)號(hào)] R735.2? ? ? ? ? [文獻(xiàn)標(biāo)識(shí)碼] B? ? ? ? ? [文章編號(hào)] 1673-9701(2019)07-0083-04

      [Abstract] Objective To retrospectively analyze the clinical efficacy and adverse reactions of low-dose apatinib in the treatment of advanced gastric cancer. Methods 51 patients with third-line or more advanced gastric cancer were treated with apatinib, oral 500mg/d after breakfast. Adverse reactions were observed, and the efficacy was evaluated regularly. The survival time was followed up. Results There was 0 patient with CR, 4 patients with pulmonary disease (6.67%), 18 patients with SD (35.29%) and 29 patients with PD (56.87%). The percentage of ORR and DCR was 7.84% (4/51) and 43.13%(22/51). Univariate analysis showed that the efficacy was higher in ECOG PS score 0-1 points patients than that in patients with more than 2 points (P=0.001). And the efficacy was higher in patients combined with hand-foot syndrome, hypertension and proteinuria in patients with no corresponding adverse reactions(all P<0.05). Multivariate Logistic regression analysis showed that ECOG PS, combined with hand-foot syndrome and hypertension were independent predictors of efficacy (all P<0.05). The mPFS and the mOS of patients was 3.43 months (95% CI, 3.19 to 3.68) and 4.36 months(95% CI 3.84 to 4.90). Subgroup analysis showed that mOS was significantly longer in the DCR group than that in the PD group (6.32 months vs 2.90 months, P<0.05). Conclusion Low-dose apafitinib (500 mg/d) is effective in the treatment of third-line or more advanced gastric cancer, with good safety and controllable adverse reactions.

      [Key words] Advanced gastric cancer; Apatinib; Efficacy; Adverse reactions; Safety

      胃癌在我國(guó)是重點(diǎn)防控的惡性腫瘤之一,造成沉重的醫(yī)療衛(wèi)生負(fù)擔(dān)[1]。2012年中國(guó)胃癌的新增病例和死亡人數(shù)均占全球的約42%[2-3],胃癌占我國(guó)惡性腫瘤發(fā)病率第二位,惡性腫瘤死亡率第3位[4]。胃癌發(fā)病年齡以40~60歲最常見(jiàn),男女比例為2.67:1,確診時(shí)多已進(jìn)展為晚期胃癌[5]。阿帕替尼(Apatinib,YN968D1),是我國(guó)首個(gè)完全自主研發(fā)的1.1類(lèi)抗腫瘤新藥,也是全球第一個(gè)在晚期胃癌患者中被證實(shí)為安全有效的小分子血管內(nèi)皮細(xì)胞生長(zhǎng)因子受體2(vascularendothelial growth factor receptor 2,VEGFR-2)酪氨酸激酶抑制劑[6]。目前阿帕替尼推薦劑量為850 mg/d,但對(duì)美國(guó)東部腫瘤協(xié)作組(eastern cooperative oncology group,ECOG)體力狀況(performance status,PS)評(píng)分>2分、多線(xiàn)化療以后、胃內(nèi)原發(fā)癌灶沒(méi)有切除、骨髓功能儲(chǔ)備差、年老體弱等患者,直接應(yīng)用治療劑量850 mg/d多數(shù)患者不能耐受,為了確保患者的安全性和依從性,可以適當(dāng)降低治療劑量[7],本研究收集的晚期胃癌患者以阿帕替尼500 mg/d為治療劑量,回顧性分析阿帕替尼治療療效及安全性。

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