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Rib-X Pharmaceuticals Announces Positive Phase 2 Study Results for Delafloxacin and a $25 Million Financing
Date:1/26/2009

xacin is a novel, broad spectrum, next-generation fluoroquinolone, that is more active than other quinolones against Gram-positive bacteria, including isolates of MRSA that are resistant to other quinolones. In large panel microbiological testing, the compound has been shown to be at least 32-fold more potent than levofloxacin, ciprofloxacin, gatifloxacin and moxifloxacin against quinolone-resistant MRSA (MIC90 of less than or equal to 0.5 micrograms/mL for delafloxacin versus > 16 micrograms/mL for all other quinolones). Currently in development as an intravenous formulation, delafloxacin has also been shown to be more potent than existing quinolones against a range of Gram-positive, anaerobic and Gram-negative organisms. Rib-X is interested in developing both IV and oral formulations of delafloxacin for use in surgical prophylaxis and other therapeutic arenas within the over $9.9 billion hospital antibiotic market.(1)

About Rib-X Pharmaceuticals, Inc.

Rib-X Pharmaceuticals, Inc. is a product-driven small molecule drug discovery and development company focused on the structure-based design of new classes of antibiotics. The Company's underlying drug discovery engine capitalizes on its proprietary high-resolution crystal structure of the ribosome, which performs an essential role in protein synthesis. Many known, commercially valuable antibiotics exert their effects by binding to the bacterial ribosome. The Company's integrated research strategy, which combines state-of-the-art, proprietary computational analysis, X-ray crystallography, medicinal chemistry, microbiology and biochemistry, allows it to rapidly synthesize new agents designed to avoid typical antibiotic resistance mechanisms. Rib-X's iterative intelligent engine has yielded several distinctive new antibiotics that can be used for the treatment of either community- or hospital-acquired infections. In addition to delafloxacin, Rib-X is currently in Phase 2 tria
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SOURCE Rib-X Pharmaceuticals, Inc.
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