On January 13, 2021 Taiho Pharmaceutical Co, Ltd., (hereinafter Taiho) reported that it and Astex Pharmaceuticals (UK), (hereinafter Astex), both Otsuka group companies, have granted an exclusive license under their joint, small-molecule drug discovery program targeting SHP2 to Merck & Co., Inc., Kenilworth, NJ, USA, known as MSD outside the United States and Canada (hereinafter MSD) through a subsidiary (Press release, Taiho, JAN 13, 2021, View Source [SID1234573914]).
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An option for MSD to acquire the exclusive license to the Astex-Taiho SHP2 program was included as part of the strategic oncology collaboration between MSD, Astex and Taiho, announced in January 2020. The collaboration focuses on the discovery and development of small molecule inhibitors against several drug targets, including the KRAS oncogene, which are currently being investigated for the treatment of cancer.
SHP2, a dephosphorylating enzyme, is a signaling molecule which regulates various cellular processes including cell proliferation and differentiation, and acts as a regulator in the activation of the RAS signaling pathway such as KRAS.*1
"We are delighted to have extended the breadth of our strategic oncology collaboration with MSD to encompass assets from the joint Astex-Taiho SHP2 program", said Teruhiro Utsugi, Ph.D., managing director at Taiho. "This will allow for a number of important drug-drug combinations to be explored as potential new treatment modalities for patients."
In exchange for providing MSD with an exclusive global license to their small molecule SHP2 inhibitor candidates, Taiho and Astex will receive an option-exercise fee payment and will be eligible to receive further undisclosed payments contingent upon the achievement of clinical, regulatory and sales milestones for SHP2 products, as well as tiered royalties on sales. MSD will be solely responsible for funding all further research and development and will be responsible for commercialization of SHP2 products globally. Taiho has retained co-commercialization rights in Japan and an option to promote SHP2 products in specific areas of Southeast Asia.
"We are pleased with the discovery research progress and collaboration with Taiho and Astex as we seek to develop new small molecule candidates for the treatment of cancer," said Nick Haining, vice president, Discovery Oncology and Immunology, MSD Research Laboratories. "We look forward to working more extensively with Taiho and Astex on the SHP2 pathway and accelerating this promising research which has the potential to impact a number of cancer types."
Harren Jhoti, Ph.D., president and CEO of Astex Pharmaceuticals (UK), commented,
"Together with our Taiho colleagues, we are delighted to extend our strategic alliance with MSD to include assets from our joint SHP2 program that have been generated using our leading fragment-based drug discovery approach."