Biocytogen Enters into Bispecific Antibody Drug Conjugate Agreement with Radiance Biopharma

BEIJING & BOSTON -- Businesswire -- Biocytogen Pharmaceuticals (Beijing) Co., Ltd. (“Biocytogen”, HKEX: 02315), a global biotech company focusing on the discovery of novel antibody therapeutics, today announces that it has entered into an Exclusive Option and License Agreement with Radiance Biopharma Inc. (“Radiance”), a biotechnology company specializing in developing next generation Antibody Drug Conjugates.

The agreement grants Radiance an option to license from Biocytogen a first-in-class fully human anti-HER2/TROP2 bispecific antibody-drug conjugate (BsADC) for therapeutic product development, manufacturing and commercialization for all human indications worldwide. HER2 and TROP2 are two tumor-associated antigens (TAAs) that have been found to be commonly expressed and co-expressed by multiple tumor types, including breast, gastric, colorectal, bladder, pancreatic, and non-small-cell lung cancer.

Under the terms of the agreement, upon the option exercised, Biocytogen will be entitled to receive an option fee, licensing fee, development and commercialization milestone payments, as well as single-digit royalties on net sales. In addition, Biocytogen has the right to collect the sharing of sublicensing fee, if any, between Radiance and third party.

Dr. Yuelei Shen, President and CEO of Biocytogen, said: “We are excited to collaborate with Radiance, a strong team with extensive experience in drug development, to develop a leading proprietary fully human bispecfic antibody drug conjugate. We are optimistic that the combination of our strength in BsADC discovery and the extensive experience of Radiance’s team will help expedite the commercialization of this dual-targeting BsADC”:

Marc Lippman, MD, Chairman of the Board of Radiance said: “We are excited to enter into this Exclusive Option and License Agreement with Biocytogen for a novel human anti- HER2 and Trop2 Bispecific Antibody Drug Conjugate. Preclinical data from in vitro and in vivo assays of this BsADC shows promising high potency of anti-tumor activities in leading tumor indications. We are eager to work with Biocytogen to move the product to the clinic to benefit patients.”

About Biocytogen

Biocytogen (HKEX: 02315) is a global biotechnology company that drives the research and development of novel antibody-based drugs with innovative technologies. Founded on gene editing technology, Biocytogen leverages genetically engineered proprietary RenMice® (RenMabTM/RenLite®/RenNano®/RenTCR-mimicTM) platforms for fully human monoclonal/bispecific/multispecific antibody discovery, bispecific antibody-drug conjugate discovery, nanobody discovery and TCR-mimic antibody discovery, and has established an off-the-shelf library of over 400,000 fully human antibody sequences against approximately 1000 targets for worldwide collaboration. As of June 30, 2023, 50 therapeutic antibody and multiple clinical asset co-development/out-licensing/transfer agreements and 42 target-nominated RenMice® licensing projects have been established around the globe, including several partnerships with multinational pharmaceutical companies (MNCs). Biocytogen pioneered the generation of drug target knock-in humanized models for preclinical research, and currently provides a few thousand off-the-shelf animal and cell models under the company’s sub-brand, BioMiceTM, along with preclinical pharmacology and gene-editing services for clients worldwide. Headquartered in Beijing, Biocytogen has branches in China (Haimen Jiangsu, Shanghai), USA (Boston, San Francisco), and Germany (Heidelberg). For more information, please visit http://en.biocytogen.com.cn.

About Radiance Biopharma

Radiance is focused on developing a pipeline of antibody-based cancer therapeutics including mono and bispecific Antibody Drug Conjugates (ADCs) for the treatment of cancer and to address other unmet medical needs. Marc Lippman, MD, a co-founder and Chairman of the Board of Radiance is a renowned oncologist and former founding board member of Seagen, a leader in the field of ADCs, recently acquired by Pfizer. Based in Boston, Massachusetts, Radiance has a world class, proven leadership team that brings together the best of ADC engineering, clinical, managerial expertise and track record. Radiance is an affiliated company to Alphageneron Pharmaceuticals Inc., a clinical-stage biotechnology company developing unique targeted cell and gene therapies for treating cancer and other unmet medical needs. For more information, please visit www.radiancebiopharma.com.

This Media Release contains forward looking statements. The words “believe”, “expect”, “anticipate”, “intend” and “plan” and similar expressions identify forward looking statements. Actual results or performance may differ materially from any future results or performance expressed or implied by such statements. The important factors that could cause our actual results or performance to differ materially include, among others, risks associated with pre-clinical and clinical development of products, uncertainties related to the outcome and conduct of clinical trials including unforeseen safety issues, uncertainties related to product manufacturing, the lack of market acceptance of our products, our inability to manage growth, the competitive environment in relation to our business area and markets, our inability to attract and retain suitably qualified personnel, the unenforceability or lack of protection of our patents and proprietary rights, our relationships with affiliated entities, changes and developments in technology which may render our products or technologies obsolete, and other factors. Radiance does not undertake any obligation to update or revise forward looking statements in this Media Release nor to confirm such statements to reflect subsequent events or circumstances after the date made or in relation to actual results, unless required by law.

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