ViewRay's MRIdian MRI-Guided Imaging System Signal Superiority For Localized Prostate Cancer

ViewRay Inc VRAY has announced interim data from the single-center Phase 3 MIRAGE trial comparing MRIdian MRI-guided vs. CT-guided SBRT for localized prostate cancer.

• The data will be featured at the 2022 American Society of Clinical Oncology (ASCO) Genitourinary (GU) Cancers Symposium.
• Interim analysis of the primary endpoint signaled superiority of MRIdian MRI-guided Stereotactic Body Radiotherapy (SBRT) with a significant reduction in acute grade ≥2 GU toxicity over those receiving CT-guided SBRT.
• The interim data from 100 evaluable patients (51 in the CT group and 49 in the MRI group) showed a statistically significant reduction in acute grade ≥2 GU toxicity (47.1% in the CT group vs. 22.4% in the MRI group).
• Significant reduction in acute grade ≥2 gastrointestinal (GI) toxicity in men receiving MRI-guided SBRT (13.7% in the CT group vs. 0 percent in the MRI group). 
• The final analysis for the primary endpoint is anticipated in early 2022.
• Price Action: VRAY shares are down 1.25% at $4.36 during the market session on the last check Tuesday.