Vertex Ends Part of Telaprevir Study for Hepatitis C
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Vertex Pharmaceuticals Inc. discontinued one part of a clinical study evaluating its hepatitis C treatments.
Vertex is halting a test of its medicine telaprevir in combination with its other experimental therapy called VX-222, the Cambridge, Massachusetts-based company said in a statement. Vertex will continue testing telaprevir and VX-222 in groups of patients who will receive it with one or two drugs given as a combination treatment. The study is the second of three phases of clinical tests typically required for U.S. approval.