Changes

In December 2007, FDA granted [https://en.wikipedia.org/wiki/Orphan_drug orphan drug] status to Burzyński's concoctions for the treatment of gliomas, a group of brain tumors hard to treat.<ref name="HoustonPress">http://www.houstonpress.com/2009-01-01/news/cancer-doctor-stanislaw-burzynski-sees-himself-as-a-crusading-researcher-not-a-quack/</ref>  

In December 2007, FDA granted [https://en.wikipedia.org/wiki/Orphan_drug orphan drug] status to Burzyński's concoctions for the treatment of gliomas, a group of brain tumors hard to treat.<ref name="HoustonPress">http://www.houstonpress.com/2009-01-01/news/cancer-doctor-stanislaw-burzynski-sees-himself-as-a-crusading-researcher-not-a-quack/</ref>  

An independent review by American Cancer Society also arrived at negative results and recommended  patients not to spend money on antineoplaston treatments since there is no evidence of positive effects in treatment of cancer. A 2004 medical review described this treatment as a "disproven therapy".<ref name="acs">[http://caonline.amcancersoc.org/cgi/reprint/33/1/57.pdf Antineoplastons] - American Cancer Society on Antineoplastons ''CA Cancer J Clin'' 1983;33;57-59, DOI: 10.3322/canjclin.33.1.57</ref><ref>[www.cancer.gov/cancertopics/pdq/cam/antineoplastons/healthprofessional/page5">Antineoplastons - Human/Clinical Studies], National Cancer Institute, August 24, 2011</ref>

An independent review by American Cancer Society also arrived at negative results and recommended  patients not to spend money on antineoplaston treatments since there is no evidence of positive effects in treatment of cancer. A 2004 medical review described this treatment as a "disproven therapy".<ref name="acs">[http://caonline.amcancersoc.org/cgi/reprint/33/1/57.pdf Antineoplastons] - American Cancer Society on Antineoplastons ''CA Cancer J Clin'' 1983;33;57-59, DOI: 10.3322/canjclin.33.1.57</ref><ref>[www.cancer.gov/cancertopics/pdq/cam/antineoplastons/healthprofessional/page5 Antineoplastons - Human/Clinical Studies], National Cancer Institute, August 24, 2011</ref>

In a November 2011 press release Bursynski Clinic listed a "number of studies since 2006" claiming to prove efficacy of the treatment.<ref name="press_release" /> None of the studies was published in a paper with a high [http://en.wikipedia.org/wiki/Impact_factor impact factor] and most have not been peer reviewed at all. 9 studies are claimed to have been printed by the Journal of Neuro-Oncology which has a good impact factor but in truth were just presented as preliminary results at conferences that were covered by the journal. Contrary to the claim in the press release, there aren’t any scientific studies supporting antineoplason treatment since 2006.<ref>[http://freethoughtblogs.com/blaghag/2011/11/a-look-at-the-burzynski-clinics-publications/ A look at the Burzynski clinic’s publications], Jen McCreight, freethoughtblogs, November 29, 2011</ref><ref>[http://freethoughtblogs.com/blaghag/2011/11/more-damning-revelations-about-burzynskis-research/ More damning revelations about Burzynski’s “research”], Jen McCreight, freethoughtblogs, November 30, 2011</ref><ref>[http://www.ministryoftruth.me.uk/2011/11/30/burzynski-the-press-release/ Burzynski – The Press Release], Blog: Ministry of Truth, November 30. 2011</ref>

In a November 2011 press release Bursynski Clinic listed a "number of studies since 2006" claiming to prove efficacy of the treatment.<ref name="press_release" /> None of the studies was published in a paper with a high [http://en.wikipedia.org/wiki/Impact_factor impact factor] and most have not been peer reviewed at all. 9 studies are claimed to have been printed by the Journal of Neuro-Oncology which has a good impact factor but in truth were just presented as preliminary results at conferences that were covered by the journal. Contrary to the claim in the press release, there aren’t any scientific studies supporting antineoplason treatment since 2006.<ref>[http://freethoughtblogs.com/blaghag/2011/11/a-look-at-the-burzynski-clinics-publications/ A look at the Burzynski clinic’s publications], Jen McCreight, freethoughtblogs, November 29, 2011</ref><ref>[http://freethoughtblogs.com/blaghag/2011/11/more-damning-revelations-about-burzynskis-research/ More damning revelations about Burzynski’s “research”], Jen McCreight, freethoughtblogs, November 30, 2011</ref><ref>[http://www.ministryoftruth.me.uk/2011/11/30/burzynski-the-press-release/ Burzynski – The Press Release], Blog: Ministry of Truth, November 30. 2011</ref>