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Achillion Announces Initiation of ACH-3422 Dosing in HCV-Infected Patients and Ability to Resume Sovaprevir Clinical Program for the Treatment of Chronic HCV
  Initial cohort of HCV-infected patients begin dosing with ACH-3422 for seven days
Clinical trials may continue evaluating 200 mg of sovaprevir for HCV-infected patients
Timelines for reporting proof-of-concept results with ACH-3422, a proprietary uridine-analog nucleotide polymerase inhibitor, during the fall of 2014 and initiating all-oral combination studies by the end of 2014 remain on track
NEW HAVEN, Conn., June 10, 2014 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals, Inc. (Nasdaq:ACHN) today announced the Company has begun dosing ACH-3422, a uridine-analog nucleotide polymerase inhibitor, for seven days in patients with genotype 1 chronic hepatitis C viral infection (HCV) in its ongoing Phase 1 clinical trial. Proof-of-concept results from this trial are expected to be reported during the fall of 2014. Furthermore, Achillion announced today that the U.S. Food and Drug Administration (FDA) has removed the clinical hold on sovaprevir, an NS3/4A protease inhibitor, to permit the conduct of trials in patients with HCV. Sovaprevir doses of 200 mg once daily, the previously evaluated dose that was well-tolerated with clinical activity in two completed Phase 2 studies, may be used in additional therapeutic clinical trials.
"We believe Achillion is uniquely positioned with clinical candidates in each of the nucleotide, NS5A and protease inhibitor categories needed to advance both dual and triple commercially competitive combination therapies that can treat the spectrum of patients with HCV. We remain focused on developing regimens utilizing ACH-3422 and ACH-3102, our second-generation Phase 2 NS5A inhibitor, and the second half of 2014 will feature multiple milestones in that program," commented Milind Deshpande, Ph.D., President and Chief Executive Officer. "Our HCV pipeline also provides the opportunity to add a NS3/4A protease inhibitor, such as sovaprevir or ACH-2684, in order to explore triple-direct acting antiviral regimens that can potentially shorten treatment durations to less than 8 weeks. We will determine how best to integrate our protease inhibitors into our combination development programs as data from our on-going trials emerge."
"With the start of patient dosing with ACH-3422, our Phase 1 uridine-analog nucleotide, we remain on track to report proof-of-concept results in the fall, and plan on initiating all oral combination studies with ACH-3422 by the end of 2014. We are also very pleased that the effort by the Achillion team, working in collaboration with the FDA, has resulted in this response for the sovaprevir program," commented David Apelian, M.D., Ph.D., Executive Vice President and Chief Medical Officer.
Sovaprevir is a Phase 2 NS3/4A protease inhibitor being developed for the potential treatment of chronic HCV infection. To date, approximately 550 subjects have been exposed to sovaprevir with clinical activity reported in two Phase 2 12-week treatment duration studies, one in combination with pegylated-interferon/ribavirin and one in combination with ACH-3102 in which the combination achieved 100% SVR12 in patients with genotype 1b HCV. The FDA removed the clinical hold to permit the conduct of therapeutic trials with a maximum of 200 mg once daily of sovaprevir in HCV patients and in single dose trials in healthy volunteers, but maintained a partial clinical hold for multiple dose studies that may be conducted in healthy volunteers, requiring prior review and approval of the protocol by the FDA. Achillion expects to continue to work collaboratively with the FDA on the continued clinical development of sovaprevir.
About HCV
The hepatitis C virus is the most common cause of viral hepatitis, which is an inflammation of the liver. It is currently estimated that more than 150 million people are infected with HCV worldwide including more than 5 million people in the United States. Three-fourths of the HCV patient population is undiagnosed; it is a silent epidemic and a major global health threat. Chronic hepatitis, if left untreated, can lead to permanent liver damage that can result in the development of liver cancer, liver failure or death. Few therapeutic options currently exist for the treatment of HCV infection.
About Achillion Pharmaceuticals
Achillion is an innovative pharmaceutical company dedicated to bringing important new treatments to patients with infectious disease. Achillion's discovery, clinical development, and commercial teams have advanced multiple novel product candidates with proven mechanisms of action into studies and toward the market. Achillion is focused on solutions for the most challenging problems in infectious disease including HCV and resistant bacterial infections. For more information on Achillion Pharmaceuticals, please visit www.achillion.com or call 1-203-624-7000.
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