China's Hisun gains access to Enzon technology

17 May 2012

US biotech firm Enzon Pharmaceuticals (Nasdaq: ENZN) and Chinese drugmaker Zhejiang Hisun Pharmaceuticals (SSE: 600267) have entered into a long-term strategic research, development and licensing collaboration.

The agreement provides for the R&D of therapeutics using Enzon's customized PEGylation linker technology. The agreement also includes the license to Hisun of development and commercialization rights for Enzon's PEG-SN38 (EZN-2208), a novel, Phase II PEGylated version of SN38, in the territory of China.

Under the terms of the strategic collaboration, Hisun will pay Enzon to apply its customized PEGylation Linker Technology, especially its releasable PEGylation technology, and know-how to the development of next-generation, PEGylated versions of select therapeutic candidates within Hisun's pipeline.

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