BOSTON, MA--(Marketwired - March 06, 2017) - Pieris Pharmaceuticals, Inc. (NASDAQ: PIRS), a clinical-stage biotechnology company advancing novel biotherapeutics through its proprietary Anticalin® technology platform, announced today that a set of ex vivo and in vivo data informing the trial design of a first-in-patient clinical trial for PRS-343, a first-in-class 4-1BB/HER2 bispecific, will be presented in a poster session at the 2017 Annual Meeting of the American Association for Cancer Research (AACR) to be held in Washington D.C., April 1 - 5, 2017. PRS-343 binds to 4-1BB (CD137) on T cells and HER2 on tumor cells, producing tumor-targeted immune activation.
Further details include:
| ||Poster Number: 16|
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| ||Title: Preclinical toxicology and pharmacology for the 4-1BB/HER2 bispecific PRS-343: A first-in-class costimulatory T cell engager.|
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| ||Date and Time: Tuesday April 4, 2017, 8:00 AM - 12:00 PM|
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| ||Location: Walter E. Washington Convention Center, Halls A-C, Poster Section 27|
PRS-343 is a bispecific monoclonal antibody/Anticalin fusion protein comprised of a HER2 tumor-targeting mAb genetically linked to a potent Anticalin specific for the immune costimulatory TNF family receptor 4-1BB (CD137). PRS-343 is being developed as the first 4-1BB based therapeutic to mediate the activation of tumor-specific T lymphocytes selectively within the tumor microenvironment (TME). 4-1BB is a potent costimulatory immunoreceptor and an established marker for tumor-specific infiltrating T lymphocytes (TILs), and is, therefore, an attractive target for cancer immunotherapy. In in vivo preclinical tumor models, PRS-343 has demonstrated potent T lymphocyte activation localized to the TME of established HER2-positive tumors, indicating the potential for both enhanced safety and efficacy.
About Pieris Pharmaceuticals:
Pieris is a clinical stage biotechnology company that discovers and develops Anticalin-based drugs to target validated disease pathways in a unique and transformative way. Our pipeline includes immuno-oncology multi-specifics tailored for the tumor micro-environment, an inhaled Anticalin to treat uncontrolled asthma and a half-life-optimized Anticalin to treat anemia. Proprietary to Pieris, Anticalin proteins are a novel class of therapeutics validated in the clinic and by partnerships with leading pharmaceutical companies. Anticalin®, is a registered trademark of Pieris. Pieris has partnerships with Servier, ASKA, Roche, Sanofi, Daiichi Sankyo and Zydus. For more information visit www.pieris.com.
Forward Looking Statements
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