PDS Biotechnology Corp. (PDSB) – Strong Phase 2 Survival Data, But Stock Sells Off Anyway


Wednesday, October 04, 2023

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, Senior Vice President, Equity Research Analyst, Biotechnology, Noble Capital Markets, Inc.

Refer to the full report for the price target, fundamental analysis, and rating.

PDS Biotech Updated Phase 2 Survival Data. PDS Biotech updated its Phase 2 VERSATILE-002 data presented at the ACSO conference in May 2023. This trial is testing the combination of PDS0101 and pembrolizumab (Keytruda, from Merck) in recurrent or metastatic head and neck squamous cell carcinoma (R/M HNSCC). The data presented at ASCO in May included patients followed up to 12 months, while the update followed patients up to 24 months. 

Survival Of 74% Is A Significant Improvement. Patients that were followed for two years had an overall survival rate of 74% compared with published studies showing less than 30% survival. Overall survival at 12 months at 80% compares with published results of 30% to 50%. Tumor shrinkage was seen in 60% (31/52) and confirmed by second MRI scan (overall response rate, ORR) in 27% (14/52 patients). Treatment related adverse events (TRAEs) were limited to Grade 3 in 13% (8/55) patients, and none had Grade 4 or Grade 5. We see these data as significantly improved over pembrolizumab alone or with chemotherapy.


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