WATERTOWN, Mass., July 29, 2015 (GLOBE NEWSWIRE) -- Tetraphase Pharmaceuticals, Inc. (NASDAQ:TTPH), a clinical stage biopharmaceutical company developing novel antibiotics to treat life-threatening multidrug-resistant (MDR) infections, today announced that it will report second quarter financial results after the close of U.S. financial markets on August 5th, 2015, and will host a conference call on Wednesday, August 5th at 4:30 p.m. Eastern Time to discuss the financial results.

The call can be accessed by dialing (844) 831-4023 (U.S. and Canada) or (731) 256-5215 (international) and entering passcode 91026694. To access the live audio webcast, or the subsequent archived recording, visit the "Investors Relations — Events & Presentations" section of the Tetraphase website at www.tphase.com. The webcast will be recorded and available for replay on the Tetraphase website for 30 days following the call.

About Tetraphase Pharmaceuticals, Inc.

Tetraphase is a clinical-stage biopharmaceutical company using its proprietary chemistry technology to create novel antibiotics for serious and life-threatening MDR bacterial infections, including those caused by many of the MDR Gram-negative bacteria highlighted as urgent public health threats by the CDC. Tetraphase's lead product candidate, eravacycline, is being developed as a broad-spectrum intravenous and oral antibiotic in the IGNITE program (Investigating Gram-negative Infections Treated with Eravacycline). This program includes two phase 3 clinical trials: IGNITE1 for the indication of complicated intra-abdominal infections (cIAI) and IGNITE2 for the indication of complicated urinary tract infections (cUTI). Tetraphase has created more than 3,000 novel tetracycline analogs using its proprietary technology platform. In addition to eravacycline, Tetraphase's pipeline includes two preclinical candidates, TP-271 and TP-6076. Please visit www.tphase.com for more company information.

CONTACT: Investor Contacts:
         Tetraphase Pharmaceuticals
         Teri Dahlman
         617-600-7040
         tdahlman@tphase.com
         
         Argot Partners
         Susan Kim
         212-600-1902
         susan@argotpartners.com
         
         Media Contact:
         Sam Brown Inc.
         Mike Beyer
         773-463-4211
         beyer@sambrown.com

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