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Is dichloroacetic acid a cure for cancer?
Is it being suppressed by Big Pharma?

Short answer: No.
Thanks for playing!

Links:
University of Alberta, DCA Research Site:
http://www.dca.med.ualberta.ca/
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That wretched hive of scum and villainy, New Scientist, wrote two articles on the topic:
1. http://www.newscientist.com/blogs/shortsharpscience/2011/05/cure-for-cancer-resurfaces-and.html
2. http://www.newscientist.com/article/dn10971-cheap-safe-drug-kills-most-cancers.html

References:
Cancer Lett. 2010 Nov 1;297(1):75-83.
Sodium dichloroacetate (DCA) reduces apoptosis in colorectal tumor hypoxia.
http://www.ncbi.nlm.nih.gov/pubmed/20537792

Cancer Chemother Pharmacol. 2011 Mar;67(3):647-55.
Dichloroacetate metabolically targeted therapy defeats cytotoxicity of standard anticancer drugs.
http://www.ncbi.nlm.nih.gov/pubmed/20502900

Clin Transl Oncol. 2011 Jan;13(1):43-9.
In vitro cytotoxicity of novel platinum-based drugs and dichloroacetate against lung carcinoid cell lines.
http://www.ncbi.nlm.nih.gov/pubmed/21239354

Int J Cancer. 2011 May 9. doi: 10.1002/ijc.26173.
Dichloroacetate (DCA) inhibits neuroblastoma growth by specifically acting against malignant undifferentiated cells.
http://www.ncbi.nlm.nih.gov/pubmed/21557214

J Biomed Biotechnol. 2011;2011:740564.
Synergistic antitumor effect of dichloroacetate in combination with 5-fluorouracil in colorectal cancer.
http://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21403907/?tool=pubmed

Sci Transl Med. 2010 May 12;2(31):31ra34.
Metabolic modulation of glioblastoma with dichloroacetate.
http://www.ncbi.nlm.nih.gov/pubmed/20463368