如果药物也会说话,听听左氧氟沙星的“烦恼”

2018-01-07 格地章 医学界呼吸频道

本来我对此已经释怀,也清楚地明白今生和18岁以下的儿童再无任何交集了。没想到前几日(2017年12月19日),广东省药学会发布了《氟喹诺酮类抗菌药物在儿童应用中的专家共识》,我发现世人对我是否能应用于18岁以下儿童还没有达成共识,我越来越不能准确定位自己了!555......."

最近比较烦,比较烦。

近几日,“左氧氟沙星”兄弟夜夜失眠,无心工作,吃饭更是毫无胃口,眼看着自己日渐憔悴,他决定去找心理医生看看......

"医生医生,你快给我瞧一瞧,这几天太多烦恼压得我快喘不过气来了。

我的名字叫'左氧氟沙星',属于人工合成的第三代喹诺酮类,和第一、二代前辈们相比,我的生物利用度更高,具有更长的t?,抗菌谱更为广泛,从革兰阴性菌扩大到革兰阳性菌、军团菌、支原体、衣原体及分枝杆菌等。

一直以来我在医疗界很受欢迎,所以涉及到我的各种指南、各类专家共识接连不断。但是由于我的不良反应比较多,尤其是对肌肉骨骼系统的影响,因此曾经我被禁用于儿童、青少年、孕妇及哺乳期妇女等。

本来我对此已经释怀,也清楚地明白今生和18岁以下的儿童再无任何交集了。没想到前几日(2017年12月19日),广东省药学会发布了《氟喹诺酮类抗菌药物在儿童应用中的专家共识》,我发现世人对我是否能应用于18岁以下儿童还没有达成共识,我越来越不能准确定位自己了!555......."



《氟喹诺酮类抗菌药物在儿童应用中的专家共识》内容提到:

由于氟喹诺酮类抗菌药物可致幼年动物的关节、软骨损伤,对于氟喹诺酮类药物在儿科的临床应用,目前临床领域存在着两种不同的意见。一方反对该类药物用于儿童,而另一方认为儿童也不完全禁用。

1、儿童不应完全禁用氟喹诺酮类药物,依据是:

1996 年中华儿科杂志就「关于喹诺酮类药物在儿童的应用」问题,征询了国内一些权威儿科专家的意见,专家意见都认为儿童不禁用喹诺酮类药物,但要严格掌握适应证,并注意观察药物的毒副作用;

《诸福棠实用儿科学》认为:对儿童不应禁用氟喹诺酮类药物,使用剂量不应超过 10~15 mg/(kg·d),疗程不要超过 7 天;

《马丁代尔大药典》阐明:对于儿童和青少年不应绝对禁止应用氟喹诺酮类药物,在权衡利弊的情况下,儿童和青少年可以使用氟喹诺酮类药物。

世界卫生组织《儿童基本药物清单》中包括了可用于儿童结核病治疗的氧氟沙星和左氧氟沙星、及治疗儿童志贺菌感染的环丙沙星。

2、反对儿童使用氟喹诺酮,依据是:

《中华人民共和国药典(二部)临床用药须知》阐明氟喹诺酮药物应避免用于 18 岁以下的未成年人;

《抗菌药物临床应用指导原则(2015 版)》中关于氟喹诺酮药物的阐述为:18 岁以下未成年患者、妊娠期及哺乳期妇女应避免使用本类药物;

大多药品说明书规定氟喹诺酮类抗菌药物不宜用于、避免用于或禁用于 18 岁以下的小儿及青少年。

我又去翻了翻左氧氟沙星药品说明书,药品厂家不同,对此说法也不完全一致,例如:

盐酸左氧氟沙星胶囊(■■■■有限公司)

规格:0.2g

【儿童用药】

本品为盐酸左氧氟沙星,其活性成分为左氧氟沙星,文献报道的左氧氟沙星的相关情况如下:

包括左氧氟沙星在内的喹诺酮类抗生素可以引起某些种属动物的幼体发生关节病变和骨/软骨病变。对儿童的安全性尚未确立,故禁用于小于18岁的患者,但用于炭疽吸入(暴露后)的保护除外。

吸入性炭疽(暴露后)

左氧氟沙星适用于儿科吸入性炭疽(暴露后)患者。风险—收益评估提示在儿科患者中给予左氧氟沙星是适合的。尚未在儿科患者中对为期14天以上的左氧氟沙星治疗的安全性进行研究。在年龄为6个月至16岁的儿科患者中,对单次静脉注射左氧氟沙星的药代动力学进行了研究。在儿科患者中,左氧氟沙星的消除速度快于成人患者,因此,在特定的mg/kg剂量下,所得的血浆暴露水平低于成人。

盐酸左氧氟沙星片(■■■■有限责任公司)

规格:0.5g

【儿童用药】

本品在婴幼儿及18岁以下青少年的安全性尚未确定。但本品用于数种幼龄动物时,可致关节病变,因此不宜用于18岁以下的少儿及青少年。

——另外

我不仅被扩大用药人群范围,还被扩大适应症,改变用法用量!

我们来看看《抗菌药物超说明书用法专家共识》(2015年)中记载:

一、超适应症

1、MDR-TB:

WHO公布的耐药结核病规划管理指南(2011年)推荐,MDR-TB患者联合使用氟喹诺酮类药物,如左氧氟沙星、莫西沙星和氧氟沙星(A级)。

2、幽门螺杆菌(HP)感染

(1)欧洲Maastricht-Ⅲ共识推荐补救治疗方案为含铋剂的四联疗法「质子泵抑制剂、铋剂加两种抗生素(阿莫西林、克拉霉素和甲硝唑中任选2种)」,Maastricht-Ⅲ推荐含左氧氟沙星的三联疗法(B级)。

(2)意大利Nista等的平行对照试验(300例)结果显示,含左氧氟沙星的三联疗法的HP根除率显着高于质子泵抑制剂标准三联疗法,如作为一线方案较标准疗法更加有效(B级)。

二、超用法

1、MDR-TB:

WHO公布的耐药结核病规划管理指南(2011年)推荐,MDR-TB患者使用新一代氟喹诺酮类药物,如左氧氟沙星(750mg/d或更高剂量)(A级)。

2、重症社区获得性肺炎:

欧洲成人下呼吸道感染治疗指南指出,对于存在铜绿假单胞菌感染风险的重症社区获得性肺炎患者,推荐治疗方案为抗铜绿假单胞菌的头孢类药物、含β-内酰胺酶抑制剂的青霉素族药物和碳青霉烯类药物其中之一,联合环丙沙星治疗。而环丙沙星的替代药物可选用高剂量左氧氟沙星,750mg/d或500mg/d,2次/d(A级)。

那么,医生,请问我到底能否被应用于18岁以下儿童,能否被用于治疗HP 感染的患者?我完全迷糊了55555。。。。。。”

原始出处

1.《抗菌药物超说明书用法专家共识》,中国医药教育协会

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    2018-01-09 chunjianf

    学习了.谢谢分享

    0

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    2018-01-07 沙漠浪人

    禁用于儿童.青少年.孕妇及哺乳期妇女等.

    0

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    2018-01-07 惠映实验室

    学习了.谢谢.

    0

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    2018-01-07 明月清辉

    谢谢分享.学习了

    0

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    2018-01-07 1dd8c52fm63(暂无匿称)

    了解了解.学习学习

    0

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    2018-01-07 飛歌

    学习了很有用

    0

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