Pharma Tech

Sony and Astellas Enter into Collaborative Research Agreement to Discover a Novel ADC Platform for the Oncology Field

Sony and Astellas Enter into

Sony Corporation and Astellas Pharma Inc. announced that they have entered into a collaborative research agreement to discover a novel Antibody-Drug Conjugate (ADC) platform in oncology based on Sony's unique polymeric material, "KIRAVIA™*2 Backbone." ADC is expected to selectively deliver anti-cancer drugs to target cells, thereby increasing efficacy and reducing side effects caused by anti-cancer drugs attacking normal cells. The technology to create linkers which conjugates antibodies and drugs, is considered to be a key to development of a better-performing ADC. This collaborative research leverages the flexibility in design and resulting properties such as high capacity and solubility of KIRAVIA Backbone as a linker of ADC, to effectively deliver anti-cancer drugs to targeted cells in a stable manner, aiming to further enhance therapeutic efficacy by achieving high Drug-to-Antibody Ratio (DAR) etc.

The two companies jointly began exploratory research of new linker technology aimed at creating a new ADC platform in July 2022, and the expected profile was obtained in feasibility studies using human cancer cells. Under this agreement, Sony and Astellas will jointly develop and optimize a new ADC platform using the KIRAVIA Backbone as a linker. In addition, Astellas will conduct non-clinical trials of development candidates. Furthermore, in order to build a drug discovery platform not limited to ADC, the two companies have agreed to continue discussions on expanding research partnerships to create new value by combining Sony's cutting-edge technology with Astellas' renowned pharmaceutical capabilities.

"Sony's life science business has accumulated substantial knowledge in the field of cell analysis," said Katsunori Ogawa, Head of Life Science & Technology Business Unit at Sony Corporation. "Through this collaboration, Sony is striving to contribute to the medical and drug discovery fields and provide further social value by leveraging Sony's technological capabilities in the development of anti-cancer drugs therapy, which are expected to grow."

"We are pleased to enter into a joint research agreement with Sony," said Yoshitsugu Shitaka, Ph.D., Chief Scientific Officer (CScO), Astellas Pharma Inc. "Astellas is working to create innovative drugs from a multifaceted perspective called the Focus Area approach*4, which identifies combinations of biology, therapeutic modality or technology and diseases with high unmet medical needs. The partnership will further strengthen our ability to utilize suitable modalities. It is our expectation that the collaboration will lead to the continuous creation of innovative drugs for patients around the world."

ADC is a modality that combines an antibody and a small molecule such as an anti-cancer drug via a linker. It is expected to selectively deliver anti-cancer drugs to target cells, thereby reducing side effects caused by anti-cancer drugs attacking normal cells.

KIRAVIA™ and KIRAVIA Dyes™ are registered trademarks or trademarks of Sony Group Inc. or its affiliates.

KIRAVIA Backbone is created using the organic polymer technology cultivated in KIRAVIA Dyes™, which Sony independently developed and licensed to reagent manufacturers. It features a high degree of freedom in design, as the three-dimensional structure is programmed and polymerized using an automatic synthesizer. While increasing the number of drugs to be added and cleaving by reacting with intracellular enzymes. Synthesis of linkers with functional properties and selective drug release is expected.

About Astellas

Astellas Pharma Inc. is a pharmaceutical company conducting business in more than 70 countries around the world. We are promoting the Focus Area Approach that is designed to identify opportunities for the continuous creation of new drugs to address diseases with high unmet medical needs by focusing on Biology and Modality. Furthermore, we are also looking beyond our foundational Rx focus to create Rx+® healthcare solutions that combine our expertise and knowledge with cutting-edge technology in different fields of external partners. Through these efforts, Astellas stands on the forefront of healthcare change to turn innovative science into VALUE for patients.

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