Int J Pharm:开启阿司匹林新吃法,消除“神药”副作用

2017-10-13 佚名 medicalxpress

来自印度理工学院的跨学科研究小组设计了一个新颖的化合物,可以根据身体所需的时间来输送阿司匹林,这种新的化合物具有很多优点,比如它是无害的活细胞,而且可以携带大量的药物,除此之外,这种化合物还很容易地注入。

来自印度理工学院的跨学科研究小组设计了一个新颖的化合物,可以根据身体所需的时间来输送阿司匹林,这种新的化合物具有很多优点,比如它是无害的活细胞,而且可以携带大量的药物,除此之外,这种化合物还很容易地注入。

阿司匹林的常用形式是药片或者胶囊,这种新的化合物则以聚合物链的糖分子木糖醇作为基础,木糖醇是自然存在于水果和蔬菜中的,以它作为基础,可以缓慢分解身体的酶,药物会逐渐扩散到血液中。

研究人员表示:“这种新的给药方式可以使分子流通更长,形成更加长期的影响。”阿司匹林是药品中的明星,可以退热,减缓疼痛。这个常用的家庭药物也可以降低心脏病发作或中风的风险,先前的研究表明,比起快速释放,阿司匹林的逐步释放可以避免不必要的副作用,那么,这种单一的化合物,通过在体内循环并定期释放一定量的阿司匹林,不仅如此,它还可以提供在不同时间服用多种药物的可能性。

近年来,科学家们将药物缓释系统转向聚合物分子,理想情况下,这种化合物对活细胞无害的同时,还能够携带大量的药物。

在这项研究中,研究人员选择了成为木糖醇的糖醇作为基础,因为它可以满足上述所有要求。第一,可降解的聚合物能在体内缓慢分解,给药物足够长的时间分散,另一个主要优势是,它是完全可生物降解,所有用来制造聚合物的前体都不会在身体中积累,而且,木糖醇也相对稳定,不太可能干扰阿司匹林的作用。

原始出处:

Q Dasgupta, S Movva, K Chatterjee, et.al. Controlled Release from Aspirin based Linear Biodegradable Poly(anhydride esters) for Anti-inflammatory Activity. International Journal of Pharmaceutics, 2017 , 528 (1-2) :732  

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    2018-07-17 jj000001
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    2017-10-14 sunfeifeiyang

    学习

    0

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    2017-10-14 lovetcm

    肠溶胶囊本来就是这样.其它副作用是因为cox-2作用

    0

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    2017-10-14 刘煜

    阅读.谢谢分享

    0

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    2017-10-13 thlabcde

    好资料学习了!

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1824261, encodeId=3e181824261db, content=<a href='/topic/show?id=56a932e7800' target=_blank style='color:#2F92EE;'>#副作用#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32778, encryptionId=56a932e7800, topicName=副作用)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8f0715, createdName=showtest, createdTime=Mon Apr 23 10:53:00 CST 2018, time=2018-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1787341, encodeId=60851e87341c0, content=<a href='/topic/show?id=fa03141591e' target=_blank style='color:#2F92EE;'>#Pharm#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14159, encryptionId=fa03141591e, topicName=Pharm)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8942242, createdName=jj000001, createdTime=Tue Jul 17 08:53:00 CST 2018, time=2018-07-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=252778, encodeId=8065252e78a7, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/09/07/a9772c74ffd6edc03a7f9af07b4747f6.jpg, createdBy=b3722138742, createdName=sunfeifeiyang, createdTime=Sat Oct 14 07:22:44 CST 2017, time=2017-10-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=252717, encodeId=5441252e17f4, content=肠溶胶囊本来就是这样.其它副作用是因为cox-2作用, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c4a5105539, createdName=lovetcm, createdTime=Sat Oct 14 05:53:48 CST 2017, time=2017-10-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=252706, encodeId=9749252e062c, content=阅读.谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=74, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2017/04/21/72142930668371951a41ef4ea4b233e6.jpg, createdBy=dcbc1715228, createdName=刘煜, createdTime=Sat Oct 14 00:43:32 CST 2017, time=2017-10-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=252682, encodeId=07c525268211, content=好资料学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=92191944782, createdName=thlabcde, createdTime=Fri Oct 13 23:52:19 CST 2017, time=2017-10-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=252661, encodeId=e49325266197, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Fri Oct 13 23:08:13 CST 2017, time=2017-10-13, status=1, ipAttribution=)]
    2017-10-13 1ddf0692m34(暂无匿称)

    学习了.涨知识

    0

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