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The Crowded Field of VEGF and VEGF-R Targeting Drugs


The versatility of the vascular endothelial growth factor (VEGF) signalling pathway as a validated target and its excellent tractability explain a crowded field of drugs of all classes.

Barcelona, Spain, August 17, 2006 --(PR.com)-- The Business Intelligence firm La Merie S.L. reported today that the versatility of the validated VEGF and VEGF-R target and its tractability for all kinds of drug classes has filled the pipeline of VEGF agonists, VEGF/VEGF-R antagonists and VEGF-R tyrosine kinase (tk) inhibitors. Apart from antibody-based constructs and novel binding proteins, other technologies such as small molecules, vaccines, proteins, peptides, gene therapy and RNAi make use of the validated target in markets with growing attractivity. Competitor projects are in all stages of development. These results and more were found in a competitor analysis conducted by La Merie Business Intelligence. The findings of the search can be acquired at www.pipelinereview.com, La Merie’s News Center and Online Store.

At least seven gene therapy approaches for expression of VEGF are in clinical development to induce neovascularization in cardiovascular and neurological indications. The most advanced projects are in mid-stage development and preclinical followers are about to enter the clinic. Protein approaches to deliver VEGF are preferred for wound healing and erectile dysfunction.

Pegaptanib sodium has been the first approved anti-VEGF drug for treatment of wet age-related macular degeneration (AMD), closely followed by the antibody fragment ranibizumab. Although sales of pegaptanib suffer from off-label use of the anti-VEGF antibody Avastin, at least four clinical stage and six preclinical stage VEGF- and VEGF-R antagonist projects are in the pipeline. The competitor projects are small interfering RNA molecules, DNA, fusion proteins and small molecules and include improved delivery formats such us sub-tenon injections or application as eye drops. Apart from wet AMD other ophthalmologic diseases are in development for VEGF-antagonists to expand the clinical label.

Avastin sales by Genentech and Roche in the first half-year of 2006 were US$ 1.13 bln, 119 % higher than in the corresponding period of 2005, thus representing a rapidly growing blockbuster market. Clinical stage competitors include antibodies and binding proteins targeting the VEGF receptors, and fusion proteins, soluble receptor proteins and RNA targeting VEGF as well as small molecules suppressing VEGF synthesis. Further at least 14 projects consist of products originating from technologies such as vaccines, peptides, proteins, siRNA, DNA and antibody-based constructs. However, the vast majority of competitors for Avastin in oncology are VEGF-receptor tyrosine kinase (tk) inhibitors. More than 30 small molecule VEGF-R-inhibitors including selective, dual- and multi-tk inhibitors are in development, 27 of them in clinical stages.

About PipelineReview.com
PipelineReview.com is the News Center and Online Store of La Merie Business Intelligence focused on R&D in the Biopharmaceutical Industry. Visitors of PipelineReview.com will find R&D relevant press releases and can receive selected R&D news from one or more of the site’s News Channels. For more information visit www.pipelinereview.com.

About La Merie
La Merie S.L. is a Business Intelligence enterprise fully dedicated to provide high quality R&D information to the biopharmaceutical industry. La Merie offers individual consultancy services and publishes reports and periodicals. For more information visit www.lamerie.com.

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Contact Information
La Merie Business Intelligence
Jorge Márquez
+34 93 342 91 97
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http://www.pipelinereview.com
Online Store: http://www.pipelinereview.com

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