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Zalicus Presents Data on Novel, Oral, N- and T-Type Calcium Channel Blockers for the Treatment of Pain

  Zalicus Presents Data on Novel, Oral, N- and T-Type Calcium Channel Blockers   for the Treatment of Pain  Preclinical Data on Z160 and Z944 Presented at the American Pain Society 2013                                 Annual Meeting  Business Wire  CAMBRIDGE, Mass. -- May 10, 2013  Zalicus Inc. (Nasdaq Capital Market: ZLCS) today announced that preclinical data highlighting its novel, oral ion channel programs for the treatment of pain including Z160, an N-type calcium channel blocker and Z944, a T-type calcium channel blocker were presented at the 32nd Annual Scientific Meeting of the American Pain Society taking place May 8-11, 2013 in New Orleans, LA.  “These data demonstrate the significant progress we have made in validating the activity of our two most advanced novel, oral calcium channel blockers in preclinical models of pain,” commented Mark H.N. Corrigan, MD, President and CEO of Zalicus. “Our primary focus is on advancing the development of our ion channel programs, including Z160, our first-in-class, oral N-type calcium channel blocker for the treatment of chronic neuropathic pain that is currently actively enrolling two Phase 2 clinical trials, and Z944, a novel oral T-type calcium channel blocker that is continuing to progress in the clinic.”  In a poster presentation entitled “Z160: A potent and state-dependent, small molecule blocker of N-type calcium channels effective in nonclinical models of neuropathic pain,” Margaret S. Lee, PhD, Vice President of Research & Translational Medicine at Zalicus, presented preclinical pharmacology data demonstrating that Z160:    *Potently and selectively blocked N-type channel activity   *Provided greater potency at elevated stimulus frequencies, similar to     those typical of neurons processing pain signals   *Preferentially enhanced the inactivated state, a mechanism distinct from     that of other neuropathic pain drugs or N-type blockers   *Performed with robust activity across a wide range of preclinical pain     models with efficacy similar to currently marketed neuropathic pain drugs     and no sedative effects.  In a poster presentation entitled “Z944: A first in-class T-type calcium channel blocker effective in nonclinical models of acute and inflammatory pain,” Glenn F. Short III, PhD, Senior Director of Research at Zalicus, presented preclinical data demonstrating that Z944:    *Potently and selectively blocked T-type channel activity   *Exhibited selectivity for the inactivated state and was more active during     higher frequency signaling   *Displayed potent activity in preclinical models of pain, particularly     inflammatory pain, with efficacy exceeding naproxen  About Z160 and N-type Calcium Channel Blockers  Z160 is a first-in-class, oral, state-dependent, selective N-type calcium channel (Cav2.2) blocker, designed to selectively target neuronal pain signaling by modulating neurons that are undergoing high-frequency firing. Z160 has demonstrated efficacy in multiple animal models of neuropathic and inflammatory pain, suggesting that it has the potential to treat a broad range of chronic pain conditions. Additionally, clinical trials in over 200 subjects have established Z160 as a safe and well tolerated drug candidate. N-type calcium channels have been recognized as crucial targets in controlling pain because of their key role in transmitting pain through the spinal nerves to the brain. Zalicus has advanced Z160 into two Phase 2 proof-of-concept clinical studies in chronic neuropathic pain and plans to report top-line data in late 2013.  About Z944 and T-type Calcium Channel Blockers  Z944 is a novel, oral, state-dependent, selective T-type calcium channel blocker that has demonstrated preclinical efficacy in multiple inflammatory pain models. T-type calcium channels have been recognized as key targets for therapeutic intervention in a broad range of cell functions and have been implicated in pain signaling. Zalicus completed Phase 1 single and multiple ascending dose clinical studies evaluating the safety and tolerability of Z944 in late 2012 and plans to continue further clinical development during 2013.  About Zalicus  Zalicus Inc. (Nasdaq Capital Market: ZLCS) is a biopharmaceutical company that discovers and develops novel treatments for patients suffering from pain. Zalicus has a portfolio of proprietary clinical-stage product candidates targeting pain such as Z160 and Z944 and has entered into multiple revenue-generating collaborations with large pharmaceutical companies relating to other products, product candidates and drug discovery technologies. Zalicus applies its expertise in the discovery and development of selective ion channel modulators and its combination high throughput screening capabilities to discover innovative therapeutics for itself and its collaborators in the areas of pain, inflammation, oncology and infectious disease. To learn more about Zalicus, please visit www.zalicus.com.  Forward-Looking Statements  This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 concerning Zalicus, its product candidates, their potential and the plans for their clinical and preclinical development, the Zalicus selective Ion channel modulation technology and related preclinical product candidates and its other business plans. These forward-looking statements about future expectations, plans, objectives and prospects of Zalicus and its product candidates may be identified by words like "believe," "expect," "may," "will," "should," "seek," “plan” or “could” and similar expressions and involve significant risks, uncertainties and assumptions, including risks related to the development and regulatory approval of Zalicus’ product candidates, including risks relating to formulation and clinical development of Z160 and Z944, the unproven nature of the Zalicus drug discovery technologies, the Company's ability to obtain additional financing or funding for its research and development, and those other risks that can be found in the "Risk Factors" section of Zalicus' annual report on Form 10-K on file with the Securities and Exchange Commission and the other reports that Zalicus periodically files with the Securities and Exchange Commission. Actual results may differ materially from those Zalicus contemplated by these forward-looking statements. These forward-looking statements reflect management’s current views and Zalicus does not undertake to update any of these forward-looking statements to reflect a change in its views or events or circumstances that occur after the date of this release except as required by law.  (c) 2013 Zalicus Inc. All rights reserved.  Contact:  Zalicus Inc. Justin Renz, CFO, 617-301-7575 JRenz@zalicus.com or Gina Nugent, 617-460-3579 gnugent@zalicus.com