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英國癌癥中心（ICR）最近表示目前的醫(yī)藥研發(fā)審批流程存在著很大弊端，而這一弊端可能影響到兒童藥物安全。根據官方提供的數據，2007年以來，歐盟批準了28種癌癥新藥，而其中26種被批準用于兒童，這里面又有14種被批準免于進行兒童癌癥臨床。ICR認為這一現存政策不利于兒童藥物安全，并建議歐盟議會重新考慮制定新的規(guī)則。

   雖然目前歐盟規(guī)定進行兒童臨床的藥物可以享受更長時間的專利保護期，ICR認為歐盟在這方面仍然有改進的空間。ICR有關負責人表示每年英國有1600名兒童確診為癌癥，而醫(yī)生如果使用一些沒有兒童資料的藥物，保險公司可能會以此為理由拒絕買單。

詳細英文報道：

  The UK's Institute of Cancer Research (ICR)says the current system acts as a disincentive to drug companies who can seekwaivers to avoid doing the trials.

  Of 28 new cancer drugs approved in the EUfor adults since 2007, 26 could potentially work in children, but 14 have beenexempted from child testing.

  The ICR wants these "classwaivers" to be scrapped.

  The European Commission is consideringwhether to change its guidelines.

  The ICR says the EC should no longer grantpharmaceutical companies exemptions on the basis that the adult cancer that thedrugs treat does not occur in children.

  Although waivers are appropriate when anadult cancer drug will not work in childhood cancers, says the ICR, they areoften granted even when a drug has a broader action and could potentially treatchildhood tumours.

  For example, drugs have been approved fortreating adult cancers linked to certain gene mutations, but the manufacturershave been granted waivers from testing the drugs in children who have cancerslinked to the same gene errors.

  Under current legislation, drug companiesare offered longer market exclusivity if they test their products in children.But the ICR says too few take up this incentive.

  ICR chief executive Prof Alan Ashworth said:"It's essential that ground-breaking cancer treatments are tested not onlyin adults but also in children, whenever the mechanism of action of the drugsuggests they could be effective. That requires a change to EU rules, since thecurrent system is failing to provide children with access to new treatmentsthat could add years to their lives.

  "Modern cancer treatments are oftentargeted at genetic features of the tumour that may be common to a number oftumour types, and to adults' and children's cancers. That means a drugdeveloped for a cancer in adults could also be effective against a canceraffecting a completely different part of the body in children. The way EU rulesare implemented fails to take this into account."

  Once a treatment is licensed for adult use,a doctor can chose to prescribe it "off-label" to a child. Butwithout enough trial evidence to support its use, healthcare providers may notwant to pay for it.

  Around 1,600 children are diagnosed withcancer every year in the UK.

  A spokesperson for the National Institute forHealth and Care Excellence, which sets guidelines for the use of NHS treatmentsin England and Wales, says all children and young people with cancer should beoffered the opportunity to enter any clinical research trial for which they areeligible, and adequate resources should be provided to support such trials.

歐盟希望修改兒童藥物審批條件

2014年10月21日發(fā)布