Plus Therapeutics(PSTV) - 2025 Q3 - Quarterly Report

Product Development and Clinical Trials - Plus Therapeutics is developing REYOBIQ, a targeted radiotherapy for CNS cancers, with the potential to deliver radiation doses up to 20 times greater than traditional external beam radiation therapy (EBRT) while minimizing exposure to healthy tissues [169][171]. - The ReSPECT-GBM trial for recurrent glioblastoma (GBM) has completed Phase 1, with full enrollment in Phase 2 targeted by the end of 2026 [176]. - The ReSPECT-LM trial for leptomeningeal metastases (LM) has shown interim results indicating a consistent decrease in cerebrospinal fluid tumor cell count/ml, with all patients tolerating the treatment well [182]. - REYOBIQ has received both orphan drug designation and Fast Track designations from the FDA for the treatment of GBM [172]. - The company is planning to expand its clinical trials and product offerings, focusing on various cancer types including head and neck, ovarian, and breast cancers [167]. - The Phase 1 ReSPECT-PBC clinical trial for pediatric brain cancer is anticipated to begin enrollment in 2025 [189]. - The FDA cleared the Investigational New Drug application for REYOBIQ for treating pediatric patients with high-grade glioma and ependymoma [190]. Financial Performance and Funding - The company incurred net losses of $16.7 million for the nine months ended September 30, 2025, with an accumulated deficit of $510.2 million as of the same date [219]. - Cash and cash equivalents increased significantly to $13.3 million as of September 30, 2025, compared to $76,000 at December 31, 2024 [219]. - The March 2025 Private Placement generated gross proceeds of approximately $15.0 million, with 4,069,738 shares of common stock and 23,972,400 Pre-Funded Warrants issued [224]. - The company used net cash of $14.5 million to fund operating activities for the nine months ended September 30, 2025, raising concerns about its ability to continue as a going concern [220]. - The company has an ongoing need to raise additional cash through equity offerings, debt financings, and potential collaborations to fund future clinical development programs and commercialization efforts [264][265]. - Net cash provided by financing activities for the nine months ended September 30, 2025, was $27.5 million, significantly higher than $6.2 million in 2024 [275][276]. Expenses and Liabilities - Research and development expenses for the three months ended September 30, 2025, were $2.436 million, a decrease of approximately $0.4 million compared to the same period in 2024 [205]. - General and administrative expenses for the three months ended September 30, 2025, increased by $1.0 million to $3.443 million compared to the same period in 2024 [209]. - Stock-based compensation expense increased to $527,000 for the three months ended September 30, 2025, compared to $125,000 in the same period in 2024 [212]. - The company recorded a $6.4 million liability in accounts payable and accrued expenses as of September 30, 2025, which declined by $1.3 million by October 27, 2025 [198]. Compliance and Regulatory Matters - The company regained compliance with Nasdaq's Minimum Stockholders' Equity Requirement on March 7, 2025, due to the March 2025 Private Placement [248]. - Nasdaq confirmed the company's compliance with the Minimum Stockholders' Equity Requirement on August 22, 2025, allowing an extension to regain compliance with the Minimum Bid Requirement until November 12, 2025 [260]. - The company remains subject to a one-year panel monitoring period through August 22, 2026, regarding compliance with the Equity Standard [262]. - The company received a notice from Nasdaq on May 16, 2025, regarding non-compliance with the Minimum Bid Requirement due to the closing bid price falling below $1.00 for 30 consecutive business days [250]. Future Outlook and Strategic Plans - Future funding and cash requirements will depend on the progress of clinical trials, regulatory approvals, and the development of the CNSide Test [265]. - The CNSide Test, a laboratory developed test for cerebrospinal fluid tumor cell enumeration, is set to be reintroduced to the U.S. market in Q4 2025, with coverage for over 51 million people through a national agreement with UnitedHealthcare [163]. - The company has no assurance of being able to raise additional capital in the future, which could adversely impact operations and strategy implementation [264].