In January 2007, CytRx contributed its RNA interference (RNAi) assets to RXi Pharmaceuticals Corporation (RXi), a subsidiary co-owned by CytRx and several world leaders in RNAi technology. After distributing approximately 36% of the stock of RXi to CytRx's stockholders as a dividend in March 2008, RXi became a separate, publicly traded company (Nasdaq: RXII), with CytRx owning approximately 45% of the outstanding stock of RXi.

 

RXi is a "pure play" RNAi company dedicated to developing proprietary RNAi therapeutics and, in addition to current industry leader Alnylam Pharmaceuticals, RXi will be one of the few companies focused exclusively on developing and commercializing products based on RNAi technology.

 

RXi's scientific advisory board includes five leading scientists who have played major roles in discovering and defining the RNAi field:

 

  • Craig C. Mello, Ph.D. received the 2006 Nobel Prize in Physiology or Medicine for his co-discovery of RNAi. He is the Blais University Chair in Molecular Medicine at the University of Massachusetts Medical School (UMMS), a Howard Hughes Medical Institute Investigator and a member of the National Academy of Sciences. His RNAi findings were recognized as the 2002 "Breakthrough of the Year" by Science magazine.

  • Victor Abros, Ph.D. is Professor of Molecular Medicine at UMMS and is known for his groundbreaking 1993 discovery of the first microRNA (miRNA), which has been heralded as a fundamental discovery in physiology and medicine.  Last April, he was awarded the 2008 Gairdner International Award, one of the most pretigious international awards in medical research and dubbed the "Canadian Nobel."
     
  • Gregory J. Hannon, Ph.D. is a Howard Hughes Medical Institute Investigator at Cold Spring Harbor Laboratory. His laboratory is credited with discovering the mechanism of RNAi in human cells (RISC/siRNA) as well as discovering short hairpin RNAi (shRNAi). Dr. Hannon is also a leading expert on oncogene pathways and was formerly an advisor to Alnylam Pharmaceuticals.
     
  • Tariq M. Rana, Ph.D., is Professor and Director of the Program of RNAi Biology at the Burnham Institute, and has previously advised a number of biotechnology companies including Sirna Therapeutics, where he served as a member of their Scientific Advisory Board. Dr. Rana discovered key technology for the chemical stabilization of RNAi and has obtained RNAi activity in animals by local and systemic delivery.
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  • Michael P. Czech, Ph.D., is Professor and Chair of the Program in Molecular Medicine at UMMS. He has authored more than 250 papers in the field of insulin action, and was awarded the American Diabetes Association's Banting Medal for Scientific Achievement in 2000 as well as the ADA's Albert Renold Award in 2004. He has used RNAi to discover a number of genes involved in diabetes and obesity.
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    RXi's pipeline is currently focused on the treatment of inflammatory diseases and multiple other therapeutic areas using its comprehensive RNAi platform that includes both RNAi compounds and delivery methods. The contributed assets from CytRx consist primarily of several key licenses to early fundamental RNAi technologies from the University of Massachusetts Medical School (UMMS) and the Carnegie Institution of Washington, as well as equipment and other tangible assets from CytRx's Worcester, Massachusetts laboratory. The licensed technologies include pending patents on RNAi target sequences, chemical modifications and delivery to cells, and field-specific licenses to a seminal patent application on chemical modification of RNAi filed in 1992 by UMMS and invented by Tariq M. Rana, and to the "Tuschl I" patent. The technologies also include exclusive licenses to patent applications that disclose gene targets for diabetes and obesity, including RIP140, which has been shown to be a master regulatory gene for metabolism in fat cells.

    Tod Woolf, Ph.D. is RXi's Chief Executive Officer. Dr. Woolf has 20 years of experience developing and commercializing innovative biomedical technologies, and is a recognized leader in RNA therapeutics. He previously worked at numerous biotechnology companies including Ribozyme Pharmaceuticals (now Sirna Therapeutics), where he co-developed a number of lead therapeutic RNA compounds and developed Genbloc(TM) RNA technology, which was spun out to create Atugen. He founded and served as Chief Executive Officer of Sequitur, an RNAi company acquired by Invitrogen in 2003. At Sequitur, Dr. Woolf co-invented and commercialized STEALTH RNAi, one of the most widely used second-generation RNAi research products. Also at Sequitur, he established collaborations with over a dozen major pharmaceutical companies. More recently, Dr. Woolf served as an advisor to Signet Laboratories prior to its acquisition by Covance, and has advised ProNai, Praecis Pharmaceuticals and Invitrogen. Dr. Woolf earned his Ph.D. in biology at Harvard University where he performed seminal work in the then-nascent field of RNA therapeutics. He has recently been serving as a consultant to CytRx in connection with the formation of RXi.
     

    RXi's Chief Financial Officer is Stephen J. DiPalma. Mr. DiPalma was co-founder, President and Chief Executive Officer of Catalyst Oncology, Inc., a company providing cost-effective personalized medicine solutions to the oncology market, which was recently merged with a public diagnostics company.  Prior to Catalyst, he served as Chief Financial Officer at Milkhaus Laboratory, a clinical stage drug development company, where he was instrumental in business development, strategic planning, finance and accounting, with a focus on capital strategies.  He also served as Chief Financial Officer at Phytera, Inc., an international biopharmaceutical company.  Among Mr. DiPalma’s past accomplishments, he served as Chief Financial Officer of publicly traded Aquila Biopharmaceuticals during that firm’s successful turnaround.  Additionally, he co-founded and served as Chief Financial Officer of Athena Diagnostics, Inc., a premier specialty reference laboratory providing innovative tests for neurological disorders.  Mr. DiPalma holds an M.B.A. from Babson College and a B.S. in business administration from the University of Massachusetts at Lowell.  He is a member of the Financial Executives Institute, Financial Executives Networking Group, Association for Corporate Growth and the National Investor Relations Institute.



     

     

     

     

    RXi Pharmaceuticals




    Massachusetts-based RXi Pharmaceuticals is a discovery-stage biopharmaceutical company pursuing the development and commercialization of proprietary therapeutics based on RNA interference (RNAi) for the treatment of human diseases.  RNAi is a naturally occurring mechanism for the regulation of gene expression that has the potential to be harnessed to selectively inhibit the activity of any human gene. It is believed that this inhibition may potentially treat human diseases by “turning-off” genes that lead to disease.

    RXi’s founders include world-leading researchers in the RNAi field, such as Dr. Craig Mello, recipient of the 2006 Nobel Prize for Medicine for his co-discovery of RNAi, and Blais University Chair of Molecular Medicine at the University of Massachusetts Medical School.  RXi intends to use its expertise in RNAi and the RNAi technology platform it has licensed from leading researchers to identify lead compounds and advance towards pre-clinical and clinical development programs in inflammatory diseases and additional diseases as indicated.