PDS Biotechnology Corp (PDSB) – Triple Therapy Data Shows Large Improvements Over Standard of Care


Thursday, December 29, 2022

PDS Biotech is a clinical-stage immunotherapy company developing a growing pipeline of molecularly targeted cancer and infectious disease immunotherapies based on the Company’s proprietary Versamune® and Infectimune™ T-cell activating technology platforms. Our Versamune®-based products have demonstrated the potential to overcome the limitations of current immunotherapy by inducing in vivo, large quantities of high-quality, highly potent polyfunctional tumor specific CD4+ helper and CD8+ killer T-cells. PDS Biotech has developed multiple therapies, based on combinations of Versamune® and disease-specific antigens, designed to train the immune system to better recognize diseased cells and effectively attack and destroy them. The Company’s pipeline products address various cancers including HPV16-associated cancers (anal, cervical, head and neck, penile, vaginal, vulvar) and breast, colon, lung, prostate and ovarian cancers.

Robert LeBoyer, Vice President, Research Analyst, Life Sciences , Noble Capital Markets, Inc.

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New Data From The Phase 2 Triple Therapy Trial Shows Better Response And Survival Data. PDS Bio announced new data from its Phase 2 trial testing PDS0101 in combination with two immunomodulating drugs. Patients with HPV16-positive cancer received the “Triple Therapy” consisting of PDS0101, an IL-12 fusion protein, and a bivalent checkpoint inhibitor. One of two arms in the trial reached its median objective survival (OS) of 21 months, an improvement over the last interim update and the historical survival of 3 to 4 months.

New Overall Survival Data Shows Improvement Over Last Interim Update. Patients enrolled in the trial had HPV16-positive cancer with progressive disease after standard therapies. Patients who received previous checkpoint inhibitor therapy  but no longer responded (checkpoint inhibitor refractory) reached a medial Overall Survival (OS) of 21 months. This compares to the last interim update of 16 months OS with 66% remaining alive. Expected survival for patients at this stage is 3 to 4 months. In the group that was naïve to checkpoint inhibitors, 75% remained alive at a median follow-up of 27 months, so the median OS has not been reached. Expected survival for similar patients is 7 to 11 months.


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