CNSide Diagnostics, LLC, a wholly-owned subsidiary of Plus Therapeutics, Inc. (Nasdaq: PSTV) ("Plus" or the "Company"), announced today that it has signed a regional agreement with Medical Mutual effective July 1, 2026, covering approximately 1.2 million people throughout Ohio and Kentucky, to provide the CNSide® Cerebrospinal Fluid (CSF) Tumor Cell Enumeration (TCE) assay. This brings CNSide CSF TCE assay total contracted coverage to approximately 127 million people.

The CNSide® CSF Assay Platform supports rapid diagnoses, treatment monitoring, and treatment guidance for patients with leptomeningeal metastases. The superior clinical utility of CNSide® over standard of care has been shown in 11 peer-reviewed publications, the FORESEE clinical trial, and has been validated in the market through real-world use.

More than 11,000 CNSide® tests have been performed at over 120 U.S. cancer institutions since 2020, delivering high sensitivity (92%) and specificity (95%), while influencing treatment decisions in 90% of cases.

This test is available exclusively through CNSide Diagnostics, LLC. as a testing service provided to health care professionals in the U.S.

Disclaimer:This article represents the opinion of the author only. It does not represent the opinion of Webull, nor should it be viewed as an indication that Webull either agrees with or confirms the truthfulness or accuracy of the information. It should not be considered as investment advice from Webull or anyone else, nor should it be used as the basis of any investment decision.