盐酸帕洛诺司琼预防肿瘤化疗引起的恶心呕吐的疗效观察

2016-05-14 08:10于小云
中国现代医生 2016年6期
关键词:呕吐化学治疗恶心

于小云

[摘要] 目的 评价盐酸帕洛诺司琼注射液预防肿瘤化疗引起的恶心呕吐的疗效。 方法 将我院2013年1月~2014年12月收治的肺癌和乳腺癌患者40例分为A组和B组,各20例,A组采用盐酸帕洛诺司琼首日给药0.25 mg,B组采用盐酸帕洛诺司琼在第1、3、5天给予0.25 mg/d。观察两组患者的疗效及不良反应情况。 结果 A组和B组在急性期恶心完全缓解率差异无统计学意义(55.0% vs 60.0%,P>0.05),但在延迟期B组恶心完全缓解率明显高于A组(67.5% vs 52.5%,P<0.05)。A组和B组在急性期呕吐的完全缓解率差异无统计学意义(82.5% vs 80.0%, P>0.05),但在延迟期B组呕吐完全缓解率明显高于A组(87.5% vs 70.0%,P<0.05)。两组不良反应总发生率分别为7.5%、10.0%,差异有统计学意义(P<0.05)。 结论 多次重复给予盐酸帕洛诺司琼较单剂量盐酸帕洛诺司琼,可以提高化疗患者的延迟期恶心呕吐完全缓解率,且两者不良反应相似。

[关键词] 盐酸帕洛诺司琼;化学治疗;恶心;呕吐

[中图分类号] R730.5 [文献标识码] B [文章编号] 1673-9701(2016)06-0066-03

Clinical observation of palonosetron hydrochloride injection in prevention of nausea and vomiting caused by cancer chemotherapy

YU Xiaoyun

Department of Internal Medicine of Oncology, Pulandian Center Hospital in Liaoning Province, Pulandian 116200, China

[Abstract] Objective To evaluate the curative effect of palonosetron hydrochloride injection in prevention of nausea and vomiting caused by cancer chemotherapy. Methods A total of 40 patients with lung cancer and breast cancer in our hospital from January 2013 to December 2014 were divided into group A and group B, 20 cases in each group, patients in group A were treated with palonosetron hydrochloride 0.25 mg on the first day, patients in group B were treated with palonosetron hydrochloride 0.25 mg/d on the first day, the third day and the fifth day. The curative effect and adverse reaction of the two groups were observed. Results There was no significant difference about the overall remission rates of nausea in the acute phase between group A and group B(55.0% vs 60.0%,P>0.05), but the overall remission rates of nausea in the delay period in group B was significantly higher than in group A(67.5% vs 52.5%). There was no significant difference about the overall remission rates of vomiting in the acute phase between group A and group B (82.5% vs 80.0%,P>0.05),but the overall remission rates of vomiting in the delay period in group B was significantly higher than in group A(87.5% vs 70.0%,P>0.05). The total incidence of adverse reaction in the two groups were respectively 7.5% and 10.0% the difference was statistically significant (P<0.05). Conclusion Compared with single dose, palonosetron hydrochloride repeatedly given can improve the overall remission rates of nausea and vomiting in the delay period in chemotherapy patients, and the incidence of adverse reaction is similar.

[Key words] Palonosetron hydrochloride; Chemotherapy; Nausea; Vomiting

化疗作为临床上治疗肿瘤主要治疗手段之一,化疗的同时会引起患者发生一些不良反应,包括恶心、呕吐等一系列相关的并发症[1,2]。自第一代5-羟色胺3(5-HT3)受体阻滞剂问世,化疗中急性恶心、呕吐得到有效控制,但延迟性恶心、呕吐效果不理想。有报道显示,第二代5-HT3阻滞剂盐酸帕洛诺司琼对化疗引起的恶心、呕吐有显著的效果,尤其是延迟性恶心、呕吐。本组是探讨盐酸帕洛诺司琼多次重复给药与单次给药对化疗引起的恶心呕吐疗效和不良反应的观察,现报道如下。

1 资料与方法

1.1 一般资料

2013年1月~2014年12月我院收治需化疗肺癌和乳腺癌患者40例,其中肺癌16例,乳腺癌24例,患者均经病理学或细胞学确诊,所有患者必须满足以下条件:KPS≥70分,化疗前血常规、肝肾功正常,无远处转移症状,化疗前24 h内均无恶心呕吐,且未使用过止吐药,既往未接受过化疗,随机分成两组,A组20例,B组20例,年龄29~70岁,中位年龄49.5岁。其中,男12例,女28例。所有患者皆经伦理委员会批准,且均知情同意。两组患者的年龄、性别等比较差异无统计学意义(P>0.05),具有可比性。

1.2 方法

A组在化疗前给予单剂量盐酸帕洛诺司琼(国药准字H20080716,正大天晴药业集团股份有限公司)0.25 mg静点,B组患者化疗前给予盐酸帕洛诺司琼0.25 mg静点,d1、d3、d5,化疗时间≤2 d,如果在化疗后第4天无恶心呕吐发生,第5天停用盐酸帕洛诺司琼。每例患者只接受1个周期的化疗和观察,不可反复入组。肺癌采用GP方案(吉西他滨1000 mg/m2 d1、8静点,顺铂75 mg/m2分3 d静点);或TP方案(紫杉醇175 mg/m2 d1,顺铂75 mg/m2分3 d静点)或PP方案(培美曲塞500 mg/m2 d1,顺铂75 mg/m2分3 d静点)。乳腺癌采用方案CAF(CTX500 mg/m2 d1、ADM 50 mg/m2 d1、5-FU500 mg/m2 d1)或AC-T方案(ADM 60 mg/m2 d1、CTX600 mg/m2 d1序贯TXT100 mg/m2 d1)。

1.3 评价指标

观察患者化疗后急性期(0~24 h),延迟期(2~7 d)患者恶心的完全缓解率(无恶心发生的例数/总病例数)和呕吐的完全缓解率(无呕吐发生的例数/总病例数),主要疗效包括急性恶心、呕吐和延迟性恶心、呕吐的完全缓解率。按NCI CTCAE4版的毒性指标及分级标准观察不良反应(1级:轻度/轻度毒性;2级:中度/中度毒性;3级:重度/重度毒性;4级:威胁生命或不能活动的毒性)[3]。

1.4 统计学分析

采用SPSS20.0统计学软件,计数资料以率(%)表示,用χ2检验,P<0.05为差异有统计学意义。

2 结果

2.1 疗效分析

盐酸帕洛诺司琼单剂量和多剂量疗效比较见表1。在急性期恶心完全缓解率方面,A组和B组比较差异无统计学意义(55.0% vs 60.0%)(P>0.05),但在延迟期B组恶心完全缓解率明显高于A组(67.5% vs 52.5%)(P<0.05)。A组和B组在急性期呕吐的完全缓解率无统计学差异(82.5% vs 80.0%)(P>0.05),但在延迟期B组呕吐完全缓解率明显高于A组(87.5% vs 70.0%)(P<0.05)。见表1。

表1 盐酸帕洛诺司琼单剂量和多剂量疗效比较[n(%)]

2.2 不良反应

盐酸帕洛诺司琼相关的不良反应主要为便秘,其他不良反应包括头痛、头晕、疲劳、呃逆等,B组便秘不良反应发生率为7.5%(3/40),A组发生率为5.0%(2/40),两组比较差异无统计学意义(χ2=1.597,P>0.05)。A组和B组总的不良反应发生率分别为7.5%(3/40)和10.0%(4/40),所有不良反应均为1~2级,未发生3~4级不良反应。

3 讨论

化疗作为肿瘤临床治疗最常用的方法之一,其不良反应包括化疗恶心呕吐,CINV(chemotherapy-induced nausea and vomiting)等严重影响了临床上患者化疗的顺利进行,患者对此不良反应比较恐惧。因此如何控制化疗所导致的恶心和呕吐对肿瘤的治疗具有重要的意义[4,5]。

化疗严重影响患者生活质量,轻者患者感到不适,严重时可导致脱水、电解质紊乱、营养不良、胃肠道粘膜撕裂出血,使患者治疗依从性降低,甚至终止治疗。5HT3受体拮抗剂的问世,明显改善化疗患者的恶心、呕吐发生,目前临床常用的5-HT3受体拮抗剂对延迟性恶心呕吐的疗效较急性低[6,7]。

帕洛诺司琼(Palonosetron)为第二代 5-HT3受体拮抗剂,同原有抗呕吐药物相比,具有半衰期长,患者的依从性好等优点[8-10];既可治疗又可预防患者因化疗而引起的呕吐,其抗呕吐效率高,毒副作用小,而且相对于传统止吐剂有显著优越性而无镇静及椎体外系副作用[11,12]。

目前盐酸帕洛诺司琼是预防延迟性恶心呕吐的推荐药物,推荐采用单剂量0.25 mg化疗前使用。PALO重复给药的探索研究结果证实盐酸帕洛诺司琼重复给药具有更好的疗效和耐受性。重复给药方案中尤以隔日给药方案疗效明显优于首日给药[13-15]。

本文收集了我院2013年1月~2014年12月共40例肺癌和乳腺癌患者,随机分成A、B两组,分别给予单剂量盐酸帕洛诺司琼和隔日多次给予盐酸帕洛诺司琼预防化疗药物引起的急性恶心、呕吐和延迟性恶心、呕吐,并观察不良反应,结果显示单剂量盐酸帕洛诺司琼和隔日多次给予盐酸帕洛诺司琼在预防急性恶心呕吐方面疗效相近,A组和B组在急性期恶心完全缓解率无统计学差异(55.0% vs 60.0%),在急性期呕吐的完全缓解率无统计学差异(82.5% vs 80.0%)。但在延迟期B组恶心完全缓解率明显高于A组(67.5% vs 52.5%),在延迟期B组呕吐完全缓解率明显高于A组(87.5% vs 70.0%),两组不良反应总发生率分别为(7.5% vs 10.0%),在预防延迟性恶心呕吐方面,隔日多次给予疗效好于单次给药,在不良反应方面,二者相似,由此可以得出盐酸帕洛诺司琼在预防肿瘤化疗引起的延迟性恶心呕吐有优势,且隔日多次给药疗效好于单次给药,副反应不增加,值得临床推广应用。

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(收稿日期:2015-11-24)

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