Investigations & Cases

Tetraphase Pharmaceuticals Inc. (TTPH)

Hynes Keller & Hernandez, LLC is investigating potential claims against the Board of Directors of Tetraphase Pharmaceuticals Inc. (“Tetraphase” or the “Company”) (NASDAQ: TTPH) concerning possible breaches of fiduciary duty arising from alleged false and misleading statements about the efficacy and potential for its drug Eravacycline to achieve approval by the FDA.

Shareholders interested in seeking to recover damages on behalf of TTPH and to implement corporate governance measures designed to prevent future misconduct should contact the firm.

If you hold TTPH shares and you would like to discuss your legal rights, please email the firm at You can also contact us by calling Michael J. Hynes at (610) 994-0292 or by sending an e-mail to