Press Release Details

WALTHAM, Mass., Sept. 5, 2018 /PRNewswire/ -- Syndax Pharmaceuticals, Inc. ("Syndax," the "Company" or "we") (Nasdaq: SNDX), a clinical stage biopharmaceutical company developing an innovative pipeline of cancer therapies, today announced that data from the PD-(L)1 refractory non-small cell lung cancer (NSCLC) cohort of ENCORE 601 will be presented at the upcoming International Association for the Study of Lung Cancer (IASLC) 19th World Conference on Lung Cancer (WCLC) being held September 23-26, 2018 in Toronto, Canada. ENCORE 601 is a Phase 1b/2 trial evaluating the efficacy and safety of entinostat, the Company's class I selective HDAC inhibitor, in combination with KEYTRUDA^® (pembrolizumab), Merck's anti-PD-1 (programmed death receptor-1) therapy, across multiple cohorts of PD-(L)1 treatment-naïve and pre-treated cancers, including NSCLC, melanoma and microsatellite stable colorectal cancer.

The accepted abstract is available on the World Conference on Lung Cancer website at https://wclc2018.iaslc.org/. Updated data will be presented at the conference.

Presentation Details

Title: Efficacy/Safety of Entinostat (ENT) and Pembrolizumab (PEMBRO) in NSCLC Patients Previously Treated with Anti-PD-(L)1 Therapy
Presenter: Matthew D. Hellmann, M.D., Memorial Sloan Kettering Cancer Center
Track: Advanced NSCLC
Session: OA05 - Clinical Trials in IO
Presentation Number: OA05.01
Date and Time: September 24, 2018 1:30 - 1:40 PM ET

About Syndax Pharmaceuticals, Inc.

Syndax Pharmaceuticals is a clinical stage biopharmaceutical company developing an innovative pipeline of cancer therapies. The Company is developing its lead product candidate, entinostat, a once-weekly, oral, small molecule, class I HDAC inhibitor, in combination with exemestane and several approved PD-1/PD-L1 antagonists. The Company's pipeline also includes SNDX-6352, a monoclonal antibody that blocks the colony stimulating factor 1 (CSF-1) receptor, as well as a portfolio of potent and selective inhibitors targeting the binding interaction of Menin with MLLr. For more information, please visit www.syndax.com or follow the Company on Twitter and LinkedIn.

Syndax's Cautionary Note on Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as "may," "will," "expect," "plan," "anticipate," "estimate," "intend," "believe" and similar expressions (as well as other words or expressions referencing future events, conditions or circumstances) are intended to identify forward-looking statements. These forward-looking statements are based on Syndax's expectations and assumptions as of the date of this press release. Each of these forward-looking statements involves risks and uncertainties. Actual results may differ materially from these forward-looking statements. Forward-looking statements contained in this press release include, but are not limited to, statements about the progress, timing, clinical development and scope of clinical trials and the reporting of clinical data for Syndax's product candidates, and the potential use of our product candidates to treat various cancer indications. Many factors may cause differences between current expectations and actual results including unexpected safety or efficacy data observed during preclinical or clinical studies, clinical trial site activation or enrollment rates that are lower than expected, changes in expected or existing competition, changes in the regulatory environment, failure of Syndax's collaborators to support or advance collaborations or product candidates and unexpected litigation or other disputes. Other factors that may cause Syndax's actual results to differ from those expressed or implied in the forward-looking statements in this press release are discussed in Syndax's filings with the U.S. Securities and Exchange Commission, including the "Risk Factors" sections contained therein. Except as required by law, Syndax assumes no obligation to update any forward-looking statements contained herein to reflect any change in expectations, even as new information becomes available.

Syndax Contacts

Investor Contact
Melissa Forst
Argot Partners
melissa@argotpartners.com
Tel 212.600.1902

Media Contact
David Rosen
Argot Partners
david.rosen@argotpartners.com
Tel 212.600.1902

SNDX-G

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SOURCE Syndax Pharmaceuticals, Inc.