Biothera Pharmaceuticals Announces Presentation at the Upcoming 2017 American Society of Clinical Oncology (ASCO) Annual Meeting

EAGAN, MN — May 31, 2017 — Biothera Pharmaceuticals, Inc. announced today that a poster about the design of IMPRIME-1, the company’s ongoing Phase 2 clinical trial in advanced melanoma/triple negative breast cancer, will be presented at the 2017 ASCO Annual Meeting, taking place in Chicago, IL, June 2-6, 2017. The ASCO presentation details are as follows:

Session Date & Time: Monday, June 5, 2017, 8:00 AM – 11:30 AM Central Time
Session: Developmental Therapeutics—Immunotherapy
Presentation Title A multicenter, open-label, phase II study of PGG beta-glucan and pembrolizumab in patients (pts) with advanced melanoma (MEL) following progression on treatment with checkpoint inhibitors (CPI) or triple negative breast cancer (TNBC) failing front-line chemotherapy for metastatic disease.
Session Location: McCormick Place, Hall A, Poster Board #193a
Abstract Number:  TPS3105

Biothera announced earlier this year initiation of patient dosing in the Phase 2 study, which is evaluating the Company’s Imprime PGG in combination with KEYTRUDA® (pembrolizumab), the anti-PD-1 therapy marketed by Merck (known as MSD outside the United States and Canada). The multi-center, open-label study is anticipated to enroll up to 71 patients who have tested positive for a biomarker that may identify patients with higher probability of responding to Imprime PGG combination therapy. Additional information on the trial is available on

About Biothera Pharmaceuticals, Inc.
Biothera Pharmaceuticals is a privately held biotechnology company developing Imprime PGG, a Phase 2 cancer immunotherapy that enhances the efficacy of anti-cancer immune response in combination with immune checkpoint inhibitor, tumor-targeting and anti-angiogenesis antibodies. Biothera Pharmaceuticals has clinical research agreements with Merck to evaluate Imprime PGG and KEYTRUDA in Phase 2 studies in advanced melanoma, metastatic triple negative breast cancer, and head and neck squamous cell cancer. This therapeutic combination also is the focus of a Big Ten Cancer Research Consortium Phase 1b/2 trial in patients with non-small cell lung cancer. Imprime PGG has demonstrated a favorable safety profile in more than 400 subjects and signals of activity in multiple combinations and tumor types.

KEYTRUDA® is a registered trademark of Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc.

David Walsh
Biothera Pharmaceuticals, Inc.


David Walsh

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