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Investor Presentaiton

21 Rigosertib identified as lead PLK1 inhibitor in RDEB CSCC Inhibitor Pharma BI 2536 Boehringer Ingelheim, Ingelheim, Germany Supplier Selleck Chemicals, Houston, TX PLK 1 IC 50 Clinical trial Delivery IC50 0.83nM Phase II complete IV GW843682X GSK461364 GlaxoSmithKline, Middlesex, UK GlaxoSmithKline, Middlesex, UK Tocris Biosciences, Bristol, UK Selleck Chemicals, Houston, TX IC50 2.2nM IC50 2.2nM EC50 <100nm in cell lines Phase I complete IV TKM-080301 Tekmira Pharmaceuticals Corporation Phase I recruiting IV NMS-1286937 Nerviano Medical Sciences, Milano, Italy BI 6727 Boehringer Ingelheim, Ingelheim, Germany Active Biocehmical Co., Ltd. or Jihpharma Shanghai Sun-shine Chemical Technology Co., Ltd. Phase I recruiting Oral Phase II recruiting IV References Steegmaier et al. Current Biology.2007 17(4):316-322 Lansing et al (2007) Mol. Cancer Ther. 6 450. Sato Y et al. Bioorg Med Chem Lett. 2009 19(16):4673-8. Beria et al., Presented at EORTC-NCI-AACR 2008; Geneva, Switzerland. Rudolph et al., Presented at EORTC-NCI-AACR Geneva, Switzerland, 2008. CYC-800 Cyclacel Ltd, Dundee, UK TAK-960 ON-01910 Millennium Onconova Therapeutic, Newtown, PA EC50 low nM range Oral AACR 2010 abstract Phamaceuticals, C. Selleck Chemicals, Houston, TX IC50 9nM EC50 50-250nM Phase I Tecruiting Phase II recruiting Oral IP Gumireddy K et al. Cancer Cell. 2005 7(3):275-86. OL Kyoto, Japan 5-(5,6-Dimoxy-1H- benzi-1-yl)-3-[[4- (methylsulfonyl)phenyl ]methoxy]-2-T. Houston, TX OTAVA Ltd, Toronto, Canada F050 110 IC50 6.9nM ZK-Thiazolidinone (TAL) Bayer Schering Pharma AG N/A IC50 19nM Cell lines EC50 0.2-1.3uM DAP-81 Rockefeller University, New York IC50 0.9nM Clin Cancer Res March 7 2019 DOI:10.1158/1078-0432.CCR-18-2661. PMID: 30846478 2003 63:6942-7 Santamaria et al (2007) Mol Biol Cell 18, 4024-4036 Peters et al., Nat Chem Biol 2006;2:618-626. ONCONOVA THERAPEUTICS
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