The present invention is directed to a compound comprising a bis[thiohydrazide amide] or a deprotonated form thereof, complexed to a transition metal cation, wherein the bis[thiohydrazide amide] is represented by Structural Formula (I): or a prodrug, isomer, ester, salt, hydrate, solvate, polymorph or a deprotonated form thereof. The present invention also provides a pharmaceutical composition comprising a compound of the invention and method of use thereof.
