Although Burzynski and his associates claim success in the use of antineoplaston combinations for the treatment of various diseases, and some of the clinic's patients say they have been helped, there is no clinical evidence of the efficacy of these methods. The consensus among the professional community, as represented by the American Cancer Society and Cancer Research UK is that antineoplaston therapy is unproven, and the overall probability of the treatment turning out to be as claimed is low due to lack of credible mechanisms and the poor state of research after more than 35 years of investigation. Antineoplaston treatments have significant known side effects including severe neurotoxicity.National Cancer Institute. Information for Professionals: Antineoplastons (PDQ®): Overview Updated: April 9, 2013. Page accessed March 14, 2015.
