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Alpha Tau Receives FDA Clearance to Complete Enrollment in REGAIN Recurrent Glioblastoma Trial and Add Two U.S. Clinical Sites; Early Interim Results Showed 100% Local Disease Control

$DRTSPress releaseJun 11, 2026, 8:30 AM ETRead the release

The FDA cleared Alpha Tau to resume enrollment in its REGAIN trial for recurrent glioblastoma, allowing recruitment of the final seven patients. This decision follows a pre-specified interim safety report from the first three patients, which showed 100% local disease control and a 67% complete response rate with only one manageable grade 3 adverse event. The company also added two new U.S.

Key figures

Drug Name
Alpha DaRT
Phase Of Trial
feasibility/safety (single-arm)
Total trial size
10
Grade 3 sae count
1
New us sites added
2
Complete response rate
67%
Patients treated interim
3
Local disease control rate
100%
Remaining patients to enroll
7

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