BP-Cx1-Platinum Complex BP-C1

A combination agent composed of the benzo-poly-carbonic-acid polymer BP-Cx1 chelated to platinum with potential antineoplastic activity. Upon intramuscular injection, the polymer moiety of BP-Cx1-Platinum Complex BP-C1 (BP-C1) alters the permeability of the cell membranes, which allows for increased penetration of platinum into tumor cells. In turn, platinum binds to nucleophilic groups such as GC-rich sites in DNA and induces intrastrand and interstrand DNA cross-links, as well as DNA-protein cross-links. These cross-links result in apoptosis and cell growth inhibition. In addition, the BP-Cx1 ligand is able to stimulate the innate immune system and upregulates a variety of cytokines including interferon, tumor necrosis factor-alpha (TNF-alpha), granulocyte macrophage-colony stimulating factor (GM-CSF), and various interleukins (ILs) such as IL-6 and IL-25. In comparison to cisplatin and other platinum-based compounds, treatment with BP-C1 allows for less platinum administration, which reduces platinum-associated systemic toxicity and side effects, and enhances the safety profile while maintaining or improving its efficacy. (NCI Thesaurus)

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