Glenmark announces discovery and initiation of IND enabling studies of innovative bispecific antibody

Published on August 20, 2014 at 8:55 AM · No Comments

Glenmark Pharmaceuticals S.A. (GPSA), a wholly owned subsidiary of Glenmark Pharmaceuticals Limited India (GPL), announces the discovery and initiation of IND enabling studies of a novel clinical development candidate, GBR 1302, a HER2xCD3 bispecific antibody. GBR 1302 was discovered and developed by the Glenmark Biologics Research Centre located in La Chaux-de-Fonds, Switzerland. GBR 1302 is based on Glenmark's innovative BEAT antibody technology platform which facilitates the efficient development and manufacture of antibodies with dual specificities, so-called bispecific antibodies. GBR 1302 is the first clinical development candidate based on the BEAT technology. Glenmark expects to obtain approval for the initiation of clinical studies during this financial year.

HER2, also known as HER2/neu, or receptor tyrosine-protein kinase erbB-2, is the target of the antibody cancer drugs trastuzumab, pertuzumab and trastuzumab emtansine and is involved in breast cancer and ovarian cancer.

GBR 1302's mode of action is different from current HER2 targeting antibodies. It redirects cytotoxic T cells through its CD3 binding arm onto HER2 expressing cancer cells and induces the killing of the cancer cells. The killing of cancer cells by GBR 1302 is more rapid, more complete and not subject to the same resistance escape mechanisms as competing therapies.

BEAT (Bispecific Engagement by Antibodies based on the T cell receptor) is a proprietary best-in-class platform of Glenmark. Engaging two targets with one bispecific antibody is an attractive concept to design new therapeutics. For the past 20 years, bispecific antibodies have been a challenge to the industry since all bispecific formats developed so far have had stability and/or manufacturing issues. With the invention of the BEAT technology Glenmark's scientists have now overcome these bottlenecks and GBR 1302 is the first drug candidate based on this antibody engineering breakthrough technology.

Commenting on this milestone, Dr. Michael Buschle, Chief Scientific Officer & President - Biologics, Glenmark Pharmaceuticals mentioned, "GBR 1302 is significant for Glenmark on multiple levels: It is our first bispecific antibody, it is our first antibody based on our proprietary BEAT antibody engineering platform and it represents the entry of Glenmark into the Oncology innovator space, which has a huge commercial potential." 

Glenmark's Novel Biologics Entity Pipeline 

With the addition of GBR 1302 to the pipeline, Glenmark now has four monoclonal antibodies in the Novel Biologics Entity (NBE) pipeline with three of them undergoing active clinical development. First, GBR 500, a monoclonal antibody represents a first-in-class opportunity indicated for the treatment of Multiple Sclerosis (MS) and other autoimmune diseases. GBR 500 has been licensed to Sanofi and is in Phase II trials in the US. The second monoclonal antibody, GBR 900 targets the TrkA receptor for chronic pain and is currently in clinical Phase I. This project is developed under license from Lay Line Genomics S.p.A., an Italian based company. Monoclonal antibodies specific for TrkA represent a first-in-class opportunity for the treatment of chronic pain, which has a high level of unmet needs. The third antibody is GBR 830, a best in class OX40 antagonist for autoimmune diseases which recently entered Phase I clinical development.

 

Source:

Glenmark Pharmaceuticals Ltd

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