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Antineoplastons are a group of naturally occurring peptide fractions isolated from human blood and urine. Antineoplastons were observed by Dr. Stanislaw Burzynski in the late 1970s and found to be absent in the urine of cancer patients. There is inconclusive scientific evidence regarding the effectiveness of antineoplastons in the treatment of cancer. Several preliminary human studies (case series, phase I/II trials) have examined antineoplaston types A2, A5, A10, AS2-1, and AS2-5 for a variety of cancer types. It remains unclear if antineoplastons are effective, or what doses may be safe. Until better research is available, no clear conclusion can be drawn. Read more
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