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INVESTOR ALERT REMINDER: The Schall Law Firm Announces the Filing of a Class Action Lawsuit Against Tetraphase Pharmaceuticals, Inc. and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm


Schall Law Firm
, a national shareholder rights litigation firm,
announces the filing of a class action lawsuit against Tetraphase
Pharmaceuticals, Inc. ("Tetraphase" or "the Company") (NASDAQ: TTPH)
for violations of §§10(b) and 20(a) of the Securities Exchange Act of
1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and
Exchange Commission.

Investors who purchased the Company's shares pursuant and/or traceable
to the July 2017 Secondary Offering, or between March 8, 2017, and
February 13, 2018, inclusive (the ''Class Period''), are encouraged to
contact the firm before September 25, 2018.

If you are a shareholder who suffered a loss, click
here to participate

We also encourage you to contact Brian Schall, or Sherin Mahdavian, of
the Schall Law Firm, 1880 Century Park East, Suite 404, Los Angeles, CA
90067, at 424-303-1964, to discuss your rights free of charge. You can
also reach us through the firm's website at,
or by email at

The class, in this case, has not yet been certified, and until
certification occurs, you are not represented by an attorney. If you
choose to take no action, you can remain an absent class member.

According to the Complaint, the Company made false and misleading
statements to the market. Tetraphase increased the number of patients
enrolled in the IGNITE3 trial to 1,200 from its original 1,000 in an
attempt to meet the trial's primary endpoints. The increase in enrolled
patients indicates that the existing enrolled population was not
adequate to meet these endpoints. Based on these facts, the Company's
public statements about business operations and the IGNITE3 trial were
false and materially misleading throughout the class period. When the
market learned the truth about Tetraphase, investors suffered damages.

the case
to recover your losses.

The Schall Law Firm represents investors around the world and
specializes in securities class action lawsuits and shareholder rights

This press release may be considered Attorney Advertising in some
jurisdictions under the applicable law and rules of ethics.

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