PDS Biotechnology(PDSB) - 2025 Q1 - Quarterly Report

Clinical Trials and Efficacy - The company reported a 75% survival rate for ICI naïve patients at 36 months in a Phase 2 trial involving the combination of Versamune® HPV, PDS01ADC, and an investigational immune checkpoint inhibitor [89]. - The VERSATILE-003 Phase 3 clinical trial is set to enroll 351 patients, with approximately 234 receiving the combination treatment of Versamune® HPV and pembrolizumab [92]. - Updated interim data from the VERSATILE-002 Phase 2 trial showed promising results based on an August 2, 2023 cut-off, with data presented on 52 patients [98]. - The company completed enrollment in the ICI naïve arm of the VERSATILE-002 trial in May 2023 and filed an amended IND with the FDA in Q3 2023 [96]. - The VERSATILE-002 trial aims to evaluate the efficacy and safety of Versamune® HPV combined with Keytruda® in patients with recurrent/metastatic head and neck cancer [94]. - Interim safety and immune response data for PDS01ADC in combination with docetaxel was presented at a major conference, indicating progress in treating metastatic prostate cancer [87]. - Estimated 12-month overall survival rate was 87.1%, compared to published results of 36-50% with approved ICIs used alone [100]. - Median overall survival was reported at 30 months, while published results for pembrolizumab are 12-18 months [107]. - Objective response rate (ORR) of 36% (19/53), with published ORR for pembrolizumab being 19-25% [107]. - Disease control rate (DCR) is 77% (41/53), indicating a strong efficacy in the patient cohort [107]. - 12-month overall survival rate of 80%, with published results of 30-50% for approved ICIs [100]. - 75% of immune checkpoint inhibitor (ICI) naïve patients remain alive at 36 months, compared to a published median overall survival of 7-11 months [111]. - 81.3% clearance of circulating tumor DNA (ctDNA) after 3 weeks with Versamune® HPV plus chemoradiation, versus 30.3% with standard of care (p=0.0018) [112]. - 44.1% (15/34) of patients had stable disease, demonstrating the treatment's potential for disease management [100]. - The combination of Versamune® HPV and Keytruda® showed a confirmed overall response rate of 34% (18/53) to date, with published results for comparable patients receiving treatment with ICIs being less than 20% [100]. - 9% (5/53) of patients had a complete response, indicating significant treatment efficacy [107]. Financial Performance - The company reported a net loss of $8.5 million for the three months ended March 31, 2025, compared to a net loss of $10.6 million for the same period in 2024, representing a 20% decrease in losses [132]. - Research and development expenses decreased to $5.8 million for the three months ended March 31, 2025, down from $6.7 million in the same period of 2024, a reduction of 13% [133]. - The company had $40.0 million in cash and cash equivalents as of March 31, 2025 [121]. - The company has an accumulated deficit of $190.6 million as of March 31, 2025, primarily due to research and development costs [120]. - The company has never been profitable and does not expect to generate revenue from commercial product sales in the near future [128]. - The company incurred total operating expenses of $9.1 million for the three months ended March 31, 2025, a decrease of 10% from $10.1 million in the same period of 2024 [132]. - Net cash used in operating activities was $9.0 million for the three months ended March 31, 2025, a decrease from $9.9 million in the same period of 2024 [150]. - Net cash provided by financing activities decreased by $12.7 million, primarily due to a $19.2 million decrease in proceeds from common stock issuance [151]. - The company has not generated any product revenue to date and anticipates continued losses as it develops and seeks regulatory approvals for its product candidates [152]. - Substantial doubt exists about the company's ability to continue as a going concern for at least 12 months from the issuance of the financial statements [148]. Research and Development Initiatives - Data from a preclinical trial indicated that the investigational universal flu vaccine, PDS0202, demonstrated broad neutralization across multiple influenza strains [84]. - The company confirmed the required contents of a clinical protocol for a potential registrational trial following a successful Type B meeting with the FDA in February 2023 [82]. - The company is developing a pipeline of targeted immunotherapies, including Versamune® and Infectimune®, aimed at oncology and infectious diseases [80]. - The company is focused on enhancing the proliferation and potency of T cells in the tumor microenvironment through its proprietary combinations of immunotherapies [81]. - The company is advancing multiple clinical trials for PDS01ADC, including a Phase 1/2 trial in combination with docetaxel for prostate cancer [119]. - The company plans to focus on developing a universal seasonal flu vaccine based on preclinical data demonstrating broad protective immune responses [125]. Capital and Financing Activities - The company sold 205,350 shares of common stock for a net value of $0.3 million during the three months ended March 31, 2025, under its New Sales Agreement [137]. - The company issued warrants to purchase a total of 381,625 shares at an initial exercise price of $3.6685 per share [139]. - The company received approximately $0.9 million from the net sale of tax benefits for tax year 2022 [140]. - The company received approximately $1.2 million from the net sale of tax benefits for tax year 2023 [141]. - The February 2025 Offering generated approximately $11 million in gross proceeds, with net proceeds of approximately $10.05 million [143]. - The company entered into a Securities Purchase Agreement to sell senior secured convertible debentures totaling $22,222,222 and warrants for $20 million [144]. - As of March 31, 2025, the company had $40.0 million in cash and cash equivalents [145].