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Jounce Therapeutics to Present at AACR Annual Meeting on JTX-2011 Cancer Immunotherapy Program

-- Invited oral presentation on JTX-2011 preclinical data --

-- Poster presentation on single agent and combination trial design --

CAMBRIDGE, Mass., March 22, 2017 (GLOBE NEWSWIRE) -- Jounce Therapeutics, Inc. (NASDAQ:JNCE), a clinical stage company focused on the discovery and development of novel cancer immunotherapies coupled with predictive biomarkers for patient enrichment, today announced it has been invited to present preclinical data that support the ongoing Phase 1/2 ICONIC trial of JTX-2011, an agonist monoclonal antibody targeting ICOS (Inducible T cell CO-Stimulator), during an oral session at the American Association for Cancer Research (AACR) Annual Meeting 2017 taking place April 1-5, 2017 in Washington, D.C.  In addition, there will be a poster presentation covering the ICONIC trial design, objectives, and eligibility criteria.

Details on the presentations include:

Oral Presentation
Preclinical assessment of JTX-2011, an agonist antibody targeting ICOS, supports evaluation in ICONIC clinical trial
Session SY19: Emerging Targets in Immunotherapy
Hall D,E, Level 2, Washington Convention Center
1:35 - 2:00 p.m. ET, Sunday, April 2, 2017

Poster Presentation on Trial Design
ICONIC: Phase 1/2 Trial of ICOS Agonist JTX-2011 Alone and in Combination with Nivolumab (nivo)
Session POCT01: Phase 1 Clinical Trials in Progress
Section 33
8:30 a.m.12 p.m. ET, Monday, April 3, 2017

The company remains on track to report safety and PK/PD data from the Phase 1 portion of the ICONIC trial at a later date in the first half of 2017 and preliminary efficacy data in the second half of 2017. 

About JTX-2011
Jounce’s lead product candidate, JTX-2011, is a monoclonal antibody that binds to and activates ICOS, a protein on the surface of certain T cells.  Pre-clinical data supports that JTX-2011 may have a dual mechanism of action that stimulates anti-tumor T effector cells, and also reduces the immunosuppressive T regulatory cells in the tumor microenvironment. The company is developing JTX-2011 to treat solid tumors as a single agent and in combination with other therapies.

About Jounce Therapeutics
Jounce Therapeutics, Inc. is a clinical stage immunotherapy company dedicated to transforming the treatment of cancer by developing therapies that enable the immune system to attack tumors and provide long‑lasting benefits to patients. Through the use of its Translational Science Platform, Jounce first focuses on specific cell types within tumors to prioritize targets, and then identifies related biomarkers designed to match the right therapy to the right patient. Jounce’s lead product candidate, JTX-2011, is a monoclonal antibody that binds to and activates ICOS and is currently in a Phase 1/2 trial. For more information, please visit

Forward-Looking Statements
Various statements in this release concerning Jounce’s future expectations, plans and prospects, including without limitation, Jounce’s expectations regarding the timing, progress and results of preclinical studies and clinical trials for Jounce’s product candidates and any future product candidates; the timing, scope or likelihood of regulatory filings and approvals; and Jounce’s ability to identify new targets for additional product candidates, to develop future product candidates and combination therapies, and to successfully commercialize and market products may constitute forward-looking statements for the purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995 and other federal securities laws and are subject to substantial risks, uncertainties and assumptions. You should not place reliance on these forward looking statements, which often include words such as “anticipate,” “estimate,” “expect,” “intend,” “may,” “on track,” “plan,” “predict,” “target,” “potential” or similar terms, variations of such terms or the negative of those terms. Although the Company believes that the expectations reflected in the forward-looking statements are reasonable, the Company cannot guarantee such outcomes. Actual results may differ materially from those indicated by these forward-looking statements as a result of various important factors, as well as those risks more fully discussed in the section entitled “Risk Factors” in Jounce’s most recent annual report on Form 10-K, as well as discussions of potential risks, uncertainties, and other important factors in Jounce’s subsequent filings with the U.S. Securities and Exchange Commission. All such statements speak only as of the date made, and the Company undertakes no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise.

Media Contact:
Dan Budwick
Pure Communications, Inc.
(973) 271-6085

Investor Contact:
Beth DelGiacco
Stern Investor Relations, Inc.
(212) 362-1200

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Jounce Therapeutics, Inc.