Alios BioPharma, Vertex initiate ALS-2200 and ALS-2158 clinical study in HCV

Vertex Pharmaceuticals Incorporated (Nasdaq: VRTX) and Alios BioPharma, Inc. today announced the initiation of two clinical studies for the nucleotide analogues ALS-2200 and ALS-2158, which are inhibitors of the hepatitis C NS5B polymerase. The studies will evaluate the safety and tolerability of ALS-2200 and ALS-2158 in healthy volunteers followed by a seven-day evaluation to observe the effects on viral kinetics in people with chronic genotype-1 hepatitis C. Data are expected in the second quarter of 2012, which could enable the initiation of studies to evaluate multiple all-oral, interferon-free combination regimens for chronic hepatitis C in the second half of 2012. Vertex has worldwide development and commercialization rights for ALS-2200 and ALS-2158, which were discovered by Alios BioPharma. Alios and Vertex are jointly conducting the Phase 1 studies announced today.

"These studies are an important step in our ongoing efforts to strengthen our leadership position in hepatitis C by developing all-oral regimens that could further improve the future treatment of this disease," said Peter Mueller, Ph.D., Executive Vice President, Global Research and Development, and Chief Scientific Officer for Vertex. "The studies of ALS-2200 and ALS-2158 announced today are designed to generate data that may provide the opportunity to rapidly advance into Phase 2 development where we could evaluate a number of nucleotide-based regimens beginning in the second half of next year, including regimens with INCIVEK or VX-222."


Vertex Pharmaceuticals Incorporated


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