ATLANTA--(BUSINESS WIRE)--Holzer & Holzer, LLC is investigating whether Tetraphase Pharmaceuticals, Inc. (“Tetraphase” or the “Company”) (NASDAQ: TTPH) complied with the federal securities laws. On February 13, 2018, Tetraphase announced that its IGNITE3 clinical trial did not achieve its co-primary endpoints of responder rate at the end of treatment and test-of-cure visit. The price of Tetraphase stock fell significantly following the announcement.
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