HERCULES, Calif.–Bio-Rad Laboratories, Inc. (NYSE: BIO and BIOb), a global leader of life science research and clinical diagnostic products, today announced the launch of a range of recombinant monoclonal anti-ranibizumab antibodies that are highly specific for the monoclonal antibody drug ranibizumab (Lucentis) or the complex of ranibizumab with its target, vascular endothelial growth factor A (VEGF-A).

Ranibizumab is used for the treatment of wet age-related macular degeneration (AMD), a common form of age-related vision loss, and for macular edema and diabetic retinopathy. The anti-ranibizumab antibodies are inhibitory, non-inhibitory, and drug-target complex specific antibodies and designed for use in pharmacokinetic (PK) and immunogenicity assays for ranibizumab and biosimilars.

“We are excited to introduce four anti-ranibizumab antibodies that are highly specific for ranibizumab or the ranibizumab-VEGF-A complex,” said Amanda Turner, Bio-Rad Product Manager, Life Science Group. “Ranibizumab is a Fab fragment drug and is present at very low levels in patient samples, which presents challenges for PK assay design and sensitivity. The high affinity ranibizumab-VEGF complex specific antibody is unique to Bio-Rad and overcomes those challenges by enabling the development of a PK antigen capture assay to measure free drug.”

Bio-Rad’s anti-idiotypic antibodies are generated using Human Combinatorial Antibody Library (HuCAL^®) and CysDisplay^®, a proprietary method of phage display with guided selection methods to obtain highly targeted reagents. The recombinant production method also ensures a consistent and secure supply.

The anti-ranibizumab antibodies are approved for in vitro research and for commercial applications of in vitro testing services that support preclinical and clinical drug and biosimilar development and patient monitoring.

For more information about Bio-Rad’s anti-ranibizumab antibodies: https://www.bio-rad-antibodies.com/anti-ranibizumab-antibody-lucentis.html

Bio-Rad is a trademark of Bio-Rad Laboratories, Inc. in certain jurisdictions. HuCAL and CysDisplay are trademarks of MorphoSys AG.  

About Bio-Rad

Bio-Rad Laboratories, Inc. (NYSE: BIO and BIOb) is a global leader in developing, manufacturing, and marketing a broad range of innovative products for the life science research and clinical diagnostic markets. With a focus on quality and customer service for over 65 years, our products advance the discovery process and improve healthcare. Our customers are university and research institutions, hospitals, public health and commercial laboratories, biotechnology, pharmaceutical, as well as applied laboratories that include food safety and environmental quality. Founded in 1952, Bio-Rad is based in Hercules, California, and has a global network of operations with more than 8,000 employees worldwide. Bio-Rad had revenues exceeding $2.1 billion in 2017. For more information, please visit www.bio-rad.com.

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