Japanese Patent Office issues patent for ZIOPHARM Oncology's darinaparsin
 

ZIOPHARM Oncology, Inc. today announced that the Japanese Patent Office has issued a patent, Patent No. 4,571,408, with claims covering pharmaceutical compositions, including oral formulations, of various organic arsenic compounds, including darinaparsin (Zinapar or ZIO-101), and the use of these compositions and the organic arsenic compounds for the treatment of cancer, including as part of a combination therapy.

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