Concert Pharmaceuticals Announces Initiation of CTP-730 Phase 1 Clinical Trial Under Celgene Collaboration

LEXINGTON, Mass.--(Sep 17, 2014)-- Concert Pharmaceuticals, Inc. (NASDAQ: CNCE) today announced that it has initiated a Phase 1 clinical trial of CTP-730, a novel product candidate that is being developed under its strategic collaboration with Celgene Corporation. Concert will conduct the randomized, double-blind, single ascending dose Phase 1 clinical trial designed to assess the safety, tolerability and pharmacokinetics of CTP-730. The study is expected to enroll up to 40 healthy subjects. The Phase 1 clinical program will also evaluate multiple ascending doses of CTP-730 and is expected to be completed in 2015.

"We are pleased to progress this program into clinical development under our Celgene collaboration," said Roger Tung, Ph.D., President and Chief Executive Officer of Concert Pharmaceuticals. "We look forward to continuing to work with Celgene to evaluate CTP-730 in a clinical setting."

About Concert
Concert Pharmaceuticals is a clinical stage biopharmaceutical company focused on applying its DCE Platform® (deuterated chemical entity platform) to create novel small molecule drugs. This approach starts with approved drugs, advanced clinical candidates or previously studied compounds that have the potential to be improved with deuterium substitution to enhance clinical safety, tolerability and efficacy. The Company is developing a broad pipeline targeting CNS disorders, renal disease, inflammation and cancer. For more information, please visit www.concertpharma.com.

Concert Pharmaceuticals Cautionary Note on Forward Looking Statements
Any statements in this press release about our future expectations, plans and prospects, including statements about the success, plans and timelines for the clinical development of CTP-730, potential effectiveness of CTP-730 and other statements containing the words "anticipate," "believe," "continue," "could," "estimate," "expect," "intend," "may," "plan," "potential," "predict," "project," "should," "target," "would," and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: the uncertainties inherent in the initiation of future clinical trials, availability and timing of data from ongoing and future clinical trials and the results of such trials, whether preliminary results from a clinical trial will be predictive of the final results of that trial or whether results of early clinical trials will be indicative of the results of later clinical trials, expectations for regulatory approvals and other factors discussed in the Risk Factors" section of our most recent Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission and in other filings that we make with the Securities and Exchange Commission. In addition, any forward-looking statements included in this press release represent our views only as of the date of this release and should not be relied upon as representing our views as of any subsequent date. We specifically disclaim any obligation to update any forward-looking statements included in this press release.

Concert Pharmaceuticals Inc., the CoNCERT Pharmaceuticals Inc. logo and DCE Platform are registered trademarks of Concert Pharmaceuticals, Inc.

For additional information contact
Concert Pharmaceuticals, Inc.
Justine Koenigsberg (Investors), (781) 674-5284
ir @concertpharma.com
or
The Yates Network
Kathryn Morris (Media), (845) 635-9828