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**avaiptutt** · 08-08-2012, 07:47 PM

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Abstract

Although arsenic can be poisonous, and chronic arsenic exposure from industrial or natural sources can cause serious toxicity, arsenic has been used therapeutically for more than 2,400 years. Thomas Fowler's potassium bicarbonate-based solution of arsenic trioxide (As2O3) was used empirically to treat a variety of disorders, and in 1878, was reported to reduce white blood cell counts in two normal individuals and one with “leucocythemia.” Salvarsan, an organic arsenical for treating syphilis and trypanosomiasis, was developed in 1910 by Paul Ehrlich. In the 1930s, arsenic was reported to be effective in chronic myelogenous leukemia. After a decline in the use of arsenic during the mid-20th century, reports from China described a high proportion of hematologic responses in patients with acute promyelocytic leukemia (APL) who were treated with arsenic trioxide. Randomized clinical trials in the U.S. led to FDA approval of arsenic trioxide for relapsed or refractory APL in September 2000."
http://theoncologist.alphamedpress.o...uppl_2/1.short

Also http://bloodjournal.hematologylibrar...3354.full.html and there are hints that it can be used in the treatment of some brain cancers (work by Aykut Uren, Georgetown University).

08-08-2012, 07:47 PM	#52
avaiptutt Join Date Oct 2005 Posts 425 Senior Member	" Abstract Although arsenic can be poisonous, and chronic arsenic exposure from industrial or natural sources can cause serious toxicity, arsenic has been used therapeutically for more than 2,400 years. Thomas Fowler's potassium bicarbonate-based solution of arsenic trioxide (As2O3) was used empirically to treat a variety of disorders, and in 1878, was reported to reduce white blood cell counts in two normal individuals and one with “leucocythemia.” Salvarsan, an organic arsenical for treating syphilis and trypanosomiasis, was developed in 1910 by Paul Ehrlich. In the 1930s, arsenic was reported to be effective in chronic myelogenous leukemia. After a decline in the use of arsenic during the mid-20th century, reports from China described a high proportion of hematologic responses in patients with acute promyelocytic leukemia (APL) who were treated with arsenic trioxide. Randomized clinical trials in the U.S. led to FDA approval of arsenic trioxide for relapsed or refractory APL in September 2000." http://theoncologist.alphamedpress.o...uppl_2/1.short Also http://bloodjournal.hematologylibrar...3354.full.html and there are hints that it can be used in the treatment of some brain cancers (work by Aykut Uren, Georgetown University).
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