On June 23, 2026 Alpha Tau Medical Ltd. (Nasdaq: DRTS, DRTSW) ("Alpha Tau"), the developer of the innovative alpha-radiation cancer therapy Alpha DaRT, reported the successful treatment with Alpha DaRT of the first glioblastoma patient in Israel, and the first ever outside of the United States, performed at Hadassah University Medical Center in Jerusalem. The procedure was carried out by a multidisciplinary team led by Prof. Yigal Shoshan, Professor of Neurosurgery at Hadassah University Medical Center. Using the Company’s proprietary brain applicator under real-time stereotactic neuro-navigation, Alpha DaRT sources were precisely delivered to the recurrent tumor through a single, minimally-invasive burr hole entry point into the brain. The procedure was completed safely and without unexpected complications.
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Glioblastoma (GBM) is the most common and most lethal primary brain tumor in adults, with approximately 160,000 new cases diagnosed globally each year. Following standard first-line treatment, typically consisting of a combination of surgery, radiation, and chemotherapy, recurrence is virtually inevitable, occurring in nearly all GBM patients within 6 to 9 months of initial treatment. It is at this stage that the disease becomes most unforgiving: median overall survival from the time of recurrence is only an additional 6 to 9 months, there is no standard of care, and the majority of patients are ineligible for repeat surgical resection – leaving them with severely limited therapeutic options. It is precisely this population, facing progression with nowhere left to turn, that Alpha DaRT aims to reach.
Uzi Sofer, CEO of Alpha Tau, stated: "Today’s announcement marks a significant milestone for Alpha Tau’s glioblastoma program: the first-ever treatment of a GBM patient outside of the United States, delivered at an institution as scientifically rigorous and globally respected as Hadassah. Israel is the birthplace of Alpha DaRT, and bringing this technology to Israeli brain tumor patients, patients who today have so few options, is a moment of deep pride and significance for our entire team."
Prof. Yigal Shoshan, Professor of Neurosurgery at Hadassah University Medical Center, stated: "I am proud that this first Israeli case has advanced the field not just by a geography, but by a genuine technical step forward. My involvement in Alpha DaRT for brain tumors began in the laboratory, through our preclinical study, in which we demonstrated that stereotactic implantation of Alpha DaRT sources in the swine brain was both safe and technically feasible. That work laid the scientific and procedural groundwork for today’s clinical milestone. The procedure was completed successfully, without unexpected complications, and represents an important proof of concept for how the flexibility of Alpha DaRT’s delivery system can be adapted to the complexity of individual brain tumor anatomy. The patient – male 77 years old, with recurrent glioblastoma following surgery and radiation therapy – tolerated the procedure well."
Dr. Robert Den, CMO of Alpha Tau, commented: "Treating a patient with glioblastoma who has no remaining standard of care – under a protocol designed precisely to reach that population – is exactly what this program is built for. The treatment of the first patient in Israel adds to the momentum of our multicenter US Recurrent GBM REGAIN trial, which is continuing to recruit patients swiftly following the fantastic interim results last month and the FDA clearance to proceed to full enrollment with the addition of two new leading U.S. academic centers. Together, these milestones are building a genuine clinical foundation for Alpha DaRT in one of oncology’s most challenging and underserved diseases. We look forward with genuine anticipation to learning from Prof. Shoshan and his team as this work progresses, and above all, we look forward to following this patient’s progress."
(Press release, Alpha Tau Medical, JUN 23, 2026, View Source [SID1234668904])