Plus Therapeutics Presents Positive ReSPECT-LM Phase 1 Interim Data at SNO Annual Conference

PSTV
October 05, 2025

Plus Therapeutics, Inc. presented data on November 25, 2024, updating the progress of its ReSPECT-LM Phase 1 clinical trial of Rhenium (186Re) Obisbemeda for leptomeningeal disease (LM) at the 2024 Society for Neuro-Oncology (SNO) Annual Meeting.

The single intrathecal dose of Rhenium (186Re) Obisbemeda demonstrated a favorable response rate and median overall survival in LM patients. It achieved up to 8 times the absorbed radiation dose to the CNS subarachnoid space compared to standard external beam radiation.

Furthermore, the company received FDA agreement to initiate the ReSPECT-LM Phase 1 multiple administration dose escalation trial of Rhenium (186Re) Obisbemeda for LM. This marks a key next step in the integrated development plan for the therapy.

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