Abstract: The invention relates to pharmaceutical compositions and methods of treating inflammatory-related diseases associated with pro-inflammatory cytokine expression and/or reduced expression of anti-inflammatory cytokines. The method typically comprises administration of one or more compounds selected from isoindigo, indigo, indirubin, or derivatives thereof, such as, Meisoindigo and NATURA. Preferably the pharmaceutical composition comprises one or more compounds selected from isoindigo, indigo, indirubin, or derivatives thereof, an anti-inflammatory agent, and a pharmaceutically acceptable carrier.

Abstract: The present invention is directed to a method treating prostate cancer. The method comprises administering to a patient in need thereof at least one compound selected from N-methyl-?3,3?-dihydroindole-2,2? diketone; N-1-(?-D-O-triacetyl-xylopranosyl)-?3,3?-dihydroindole-2,2? diketone; and N-1-(?-D-O-triacetyl-xylopranosyl)-N?-methyl-?3,3?-dihydroindole-2,2? diketone. Preferably the compound is in an amount sufficient to inhibit growth, invasion, and/or metastasis of prostate cancer cells.