Biotech

Pieris Pharmaceuticals (NASDAQ:PIRS), a biotechnology company advancing novel biotherapeutics through its proprietary Anticalin technology platform for cancer, respiratory and other diseases, announced today that it has dosed the first patient in the Company’s Phase 1 combination clinical trial of PRS-343, its lead proprietary immuno-oncology drug candidate targeting HER2 and 4-1BB, plus atezolizumab (Tecentriq), an approved PD-L1 inhibitor. …

Pieris Pharmaceuticals (NASDAQ:PIRS), a biotechnology company advancing novel biotherapeutics through its proprietary Anticalin technology platform for cancer, respiratory and other diseases, announced today that it has dosed the first patient in the Company’s Phase 1 combination clinical trial of PRS-343, its lead proprietary immuno-oncology drug candidate targeting HER2 and 4-1BB, plus atezolizumab (Tecentriq), an approved PD-L1 inhibitor.

As quoted in the press release:

The trial, a multicenter, open-label, Phase 1 dose escalation study, is designed to determine the safety, tolerability, and potential synergistic anti-tumor effects of PRS-343 plus anti-PD-L1 immunotherapy in patients with advanced or metastatic HER2-positive solid tumors. Elevated HER2 expression is associated with multiple cancers, including gastroesophageal, bladder, breast, and a range of other tumor types. The trial is fully funded and sponsored by Pieris, while Roche is supplying atezolizumab.

“The initiation of the combination trial of PRS-343 with an anti-PD-L1 immunotherapy marks the beginning of Pieris’ investigation into the potential synergistic effects of its 4-1BB-targeted therapy with PD-1/L1 blockade,” said Louis Matis, M.D., Senior Vice President and Chief Development Officer of Pieris. “Given evidence from multiple preclinical studies demonstrating synergistic anti-tumor activity from concurrent 4-1BB activation and PD-(L)1 pathway blockade, we believe that combination therapy with PRS-343 and atezolizumab has the potential to provide significant clinical benefit for patients. We are enthusiastic to be initiating this trial and look forward to reporting our findings from this combination study next year.”

Click here to read the full press release.

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