BridgeBio Pharma Inc. and Kyowa Kirin Co., Ltd have announced a partnership wherein BridgeBio’s affiliate, QED Therapeutics, grants Kyowa Kirin an exclusive license to develop and commercialize infigratinib for achondroplasia, hypochondroplasia, and other skeletal dysplasias in Japan.

In exchange, BridgeBio will receive an upfront payment of $100 million as well as royalties up to the high-twenties percent on sales of infigratinib in Japan, with the potential for additional milestone-based payments.

Infigratinib is an oral small molecule designed to inhibit FGFR3 and thus target FGFR3-driven skeletal dysplasias at their source, including achondroplasia and hypochondroplasia.

“The BridgeBio vision is to help bring people access to novel treatments and trials, and so we are pleased that this collaboration will ensure the development of infigratinib for children living with achondroplasia, and eventually for other skeletal dysplasias in Japan,” said Neil Kumar, Ph.D., BridgeBio’s CEO and founder.

“We are thrilled to announce that we have signed the License Agreement with BridgeBio,” remarked Yasuo Fujii, MBA., Chief Strategy Officer, Managing Executive Officer, Vice President, Head of Strategy Division at Kyowa Kirin. “It is important for us to strengthen our portfolio by introducing pipelines in the fields of bone & mineral disorders, including achondroplasia. Based on the results from the latest clinical trials, we believe BridgeBio’s infigratinib has high potential for treating achondroplasia. We will steadily advance the development in Japan and aim to deliver life-changing value to people with skeletal dysplasias including achondroplasia.”

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