Alpha Tau Reports Groundbreaking Interim Results from Glioblastoma Trial: 67% Complete Response, 100% Local Control
DRTS has more than doubled off its 52-week low of $2.57.
Summary
Alpha Tau Medical announced highly positive interim results from its U.S. trial for recurrent glioblastoma, showing a 67% complete response rate and 100% local disease control with a favorable safety profile in initial patients.
Key Events · Product Development and Regulatory · DRTS
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Groundbreaking Glioblastoma Trial Results
Interim data from the REGAIN trial for recurrent glioblastoma showed a 67% complete response rate and 100% local disease control in the first three patients.
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Favorable Safety Profile
Only one resolved Grade 3 serious adverse event was observed, with no unanticipated SAEs or local/distant recurrence reported.
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Significant Efficacy in Deadly Cancer
For a disease with an average survival of 8 months and low response rates to existing therapies, these results represent a major potential breakthrough.
Analysis · DRTS · Industrial Applications And Services
This filing provides exceptionally strong early clinical data for Alpha Tau's Alpha DaRT therapy in recurrent glioblastoma, a highly aggressive and difficult-to-treat brain cancer. The reported 67% complete response rate and 100% local disease control in initial patients, coupled with a favorable safety profile, significantly de-risks the therapy's potential in an area of high unmet medical need. These results could be transformative for the company and patients, potentially leading to accelerated regulatory pathways and a re-evaluation of the company's long-term prospects. The positive news comes as the stock trades near its 52-week high, potentially reinforcing investor confidence.
How filings like this one have moved
In the 30 days to Oct 17, 2026, 44.6% of the 296 measured filings Wiseek scored 9 moved their stock by 5% or more by the next session's close. The median move was -0.43%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, DRTS was trading at $8.73 on NASDAQ in the Industrial Applications And Services sector, with a market capitalization of approximately $749M. The 52-week trading range was $2.57 to $9.07. This filing was assessed with positive market sentiment and an importance score of 9 out of 10.