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Zhongsheng Pharma: Holding subsidiary obtains international patent certificate

Release time:

2021-12-03 15:54

Zhongsheng Pharma: Holding subsidiary obtains international patent certificate

Recently, Zhongsheng Pharmaceutical (002317.SZ) issued an announcement that Guangdong Zhongsheng Ruichuang Biotechnology Co., Ltd. (referred to as "Zhongsheng Ruichuang"), a subsidiary of the company, has received patent certificates issued by the US Patent and Trademark Office and the Japan Patent Office.

Among them, the certified patent ANTI-INFLUENZA VIRUS PYRIMIDINE DERIVATIVE is a compound patent of the ZSP1273 project, an innovative drug developed by Zhongsheng Ruichuang for the prevention and treatment of influenza A and human avian influenza, and belongs to the core patent of the project. The ZSP1273 project is the first small-molecule RNA polymerase inhibitor approved for clinical trials in China for the treatment of influenza A. A phase III clinical trial for the treatment of adult simple influenza A is currently underway to further confirm its efficacy and safety. ZSP1273 granules have obtained the "Notice of Drug Clinical Trial Approval" issued by the National Medical Products Administration (NMPA), and are actively preparing to carry out phase II clinical studies of simple influenza for children.

Another certified patent for the amorphous form of a pyrrolidine derivative as a PPAR agonist and its preparation method is the crystal form patent of the ZSP0678 project, a class of innovative drugs deployed in the field of liver diseases by Zhongsheng Ruichuang, which belongs to the core patent of the project. ZSP0678 is an innovative drug developed by Zhongsheng Ruichuang for the treatment of non-alcoholic steatohepatitis (NASH) and primary biliary cholangitis (PBC) with a clear mechanism of action and independent intellectual property rights. At present, the clinical trial of ZSP0678 tablets for the treatment of NASH has been approved by the NMPA, and it is in the stage of writing the summary report of the phase I clinical study. The clinical trial of ZSP0678 tablets for the treatment of  PBC for new indications has obtained the "Clinical Trial Notice" issued by the NMPA, and the clinical trial work will be organized and implemented as planned.

Up to now, the compound patent of the ZSP1273 project has been granted patents in China, the United States, Japan, South Korea, Australia, New Zealand, Russia, Singapore, South Africa, Hong Kong Special Administrative Region, Macau Special Administrative Region and other countries/regions; The crystal form patent of the ZSP0678 project has obtained patent authorization from Australia, Russia, Japan and other countries/regions, and the global intellectual property protection system of the company's innovative drug project is gradually improving.

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