Plus Therapeutics Reports Third Quarter Financial Results and Recent Business Highlights

Core Insights - Plus Therapeutics, Inc. has announced positive results from its RESPECT-LM Phase 1 clinical trial and has introduced the CNSide® CSF diagnostics platform with a national coverage agreement with UnitedHealthcare, covering over 51 million people in the U.S. [1][9] Corporate Overview - The company is focused on three main business verticals: diagnostics, therapeutics, and capital structure, with plans to expand its commercial team and footprint for CNSide [3] - Plus Therapeutics reported a cash and investments balance of $16.6 million as of September 30, 2025, a significant increase from $6.9 million on June 30, 2025, and $3.6 million on December 31, 2024 [7] - The company regained compliance with Nasdaq listing criteria, including market value and stockholder's equity thresholds [8] Clinical Trials and Product Development - Positive results from the ReSPECT-LM Phase 1 trial were presented, indicating that treatment of leptomeningeal metastases with REYOBIQ is feasible and shows promising efficacy [5] - The CNSide CSF assay platform demonstrated the ability to quantify leptomeningeal metastases over time and monitor changes in targetable mutations, potentially aiding in treatment initiation [9] Financial Performance - For Q3 2025, Plus Therapeutics reported a net loss of $4.4 million, or $0.04 per share, compared to a net loss of $2.9 million, or $0.37 per share, in Q3 2024 [15][21] - Total operating loss for Q3 2025 was $4.5 million, an increase from a loss of $3.8 million in the same quarter of 2024, primarily due to higher compensation and professional fees [15] Strategic Partnerships and Market Position - The company received an additional $1.9 million advance payment from the Cancer Prevention and Research Institute of Texas (CPRIT) as part of a previously awarded non-dilutive grant for cancer-targeted radiotherapeutics [8] - CNSide Diagnostics, a subsidiary of Plus Therapeutics, has made its CSF assay platform commercially available in Texas, focusing on National Cancer Institute Designated Cancer Centers [9][12]