Safety Clinical Trial
Official title:
Phase 1, Single-Center, Dose-Escalating, Open-Label, Safety Clinical Trial of Parenteral Ascorbate-Meglumine as a Novel Magnetic Resonance Imaging-guided Adjunctive Therapeutic for Stereotactic Radiosurgery
Phase 1, Single-Center, Dose-Escalating, Open-Label, Safety Clinical Trial of Parenteral Ascorbate-Meglumine as a Novel Magnetic Resonance Imaging-guided Adjunctive Therapeutic for Stereotactic Radiosurgery (SRS).
Phase 1, single-center, open-label study in subjects receiving SRS for brain metastases. The study will consist of 4 principal cohorts (n=3 in each cohort). Each cohort will receive an escalating dose of ascorbate-meglumine as an MRI-detectable adjunctive therapeutic to SRS. Subjects will complete a planning MRI for SRS with gadolinium- diethylenetriamine penta-acetic acid (GD-DPTA) per standard of care for SRS. Forty-eight hours after the planning MRI, the subjects will complete the study MRI with ascorbate-meglumine contrast agent. Each cohort will receive an escalating dose of ascorbate-meglumine by intravenous administration over 1 hour during the MRI. The total dose of ascorbate-meglumine-will escalate from the first cohort to the next cohort in a sequential manner. During ascorbate-meglumine infusion, MRI scans will be performed to evaluate the contrast effect and PK blood draws will occur at defined time points. Patients will return for the SRS procedure within 1 week following the planning MRI per standard of care. During SRS, subjects will receive a second dose of ascorbate-meglumine as an adjunctive therapeutic. Patients will enter into a follow up phase within 2 weeks after the SRS procedure per standard of care. The primary endpoint is to evaluate the safety of parenteral ascorbate-meglumine as a MRI-detectable adjunctive therapeutic to SRS. ;
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