Silevertinib + Temozolomide for Glioblastoma
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial tests whether adding silevertinib, an experimental treatment, to temozolomide, a standard chemotherapy drug, can more effectively treat glioblastoma (a type of brain cancer) after surgery and radiation. Researchers aim to determine the best dose, potential side effects, and whether this combination helps patients live longer without cancer progression. Participants may qualify if they have a newly diagnosed glioblastoma that hasn't spread, have undergone surgery and radiation, and haven't tried other treatments targeting EGFR (a protein that can promote cancer growth). As a Phase 2 trial, this research measures how well the treatment works in an initial, smaller group of people.
Will I have to stop taking my current medications?
The trial information does not specify whether you need to stop taking your current medications. However, it does exclude those who have had prior or concurrent treatment with certain GBM therapies, so it's best to discuss your current medications with the trial team.
Is there any evidence suggesting that this trial's treatments are likely to be safe?
In earlier studies, silevertinib has shown promise in treating cancers with specific genetic changes, such as EGFR mutations. Researchers have treated over 200 patients with these cancers using silevertinib, and no new safety concerns have emerged, suggesting that silevertinib is generally well-tolerated.
When combined with temozolomide, another cancer treatment, silevertinib did not produce unexpected side effects. Early safety tests indicated that this combination was acceptable for patients with newly diagnosed glioblastoma, with manageable side effects similar to those expected from these drugs.
While further research is necessary to fully understand its safety, current evidence suggests that silevertinib, particularly when combined with temozolomide, is relatively safe for patients.12345Why do researchers think this study treatment might be promising for glioblastoma?
Researchers are excited about Silevertinib for glioblastoma because it offers a new mechanism of action that sets it apart from the standard treatments like temozolomide alone. While most glioblastoma treatments focus on disrupting cancer cell DNA, Silevertinib targets specific molecular pathways involved in tumor growth and survival, potentially improving treatment effectiveness. This unique approach could enhance the impact of existing therapies, offering new hope for patients with this aggressive brain cancer.
What evidence suggests that silevertinib combined with temozolomide might be an effective treatment for glioblastoma?
This trial will compare the combination of silevertinib and temozolomide with temozolomide alone for treating glioblastoma. Research has shown that silevertinib may aid in treating glioblastoma, especially when combined with temozolomide. In studies involving patients with similar cancers, silevertinib helped shrink tumors in 60% of the patients. Temozolomide alone has been proven to extend survival and slow disease progression in glioblastoma patients. Combining silevertinib with temozolomide might enhance these benefits, potentially leading to better outcomes for glioblastoma patients. While more research is needed, early results for this combination treatment are promising.12367
Are You a Good Fit for This Trial?
This trial is for adults with newly diagnosed glioblastoma (GBM) who have had surgery and standard radiation plus chemo, whose tumors have a specific EGFRvIII mutation and an unmethylated MGMT promoter. Participants must be at least 4 weeks out from radiation with no tumor growth on MRI.Inclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Safety Lead-in
Participants receive silevertinib combined with temozolomide to determine safety and best dose
Randomized Treatment
Participants are randomized to receive either silevertinib + temozolomide or temozolomide alone
Follow-up
Participants are monitored for safety and effectiveness after treatment
What Are the Treatments Tested in This Trial?
Interventions
- Silevertinib
- Temozolomide
Trial Overview
The study compares two treatments after initial surgery and radiation: one group gets temozolomide alone, while the other receives silevertinib combined with temozolomide. The goal is to see if adding silevertinib helps patients live longer without their cancer worsening.
How Is the Trial Designed?
2
Treatment groups
Experimental Treatment
Active Control
silevertinib at dose determined in Part 1 until disease progression in combination with temozolomide 150-200 mg/m2 orally once daily on Days 1 to 5 of each 28-day cycle for maximum of 6 cycles
temozolomide 150-200 mg/m2 orally once daily on Days 1 to 5 of each 28-day cycle for maximum of 6 cycles
Find a Clinic Near You
Who Is Running the Clinical Trial?
Black Diamond Therapeutics, Inc.
Lead Sponsor
Citations
NCT07326566 | Study of Silevertinib With Temozolomide ...
The purpose of this study is to see if combining silevertinib with temozolomide after surgery and radiotherapy helps treat newly diagnosed glioblastoma ...
Trial Description
The purpose of this study is to see if combining silevertinib with temozolomide after surgery and radiotherapy helps treat newly diagnosed glioblastoma ...
3.
cancernetwork.com
cancernetwork.com/view/silevertinib-displays-robust-antitumor-activity-in-egfr-mutated-nsclcSilevertinib Displays Robust Antitumor Activity in EGFR- ...
Topline efficacy data revealed that the investigational agent delivered an ORR of 60% per RECIST v1.1 criteria and a CNS ORR of 86% per RANO-BM ...
Black Diamond Therapeutics Announces Oral Presentation ...
To date, over 200 patients with EGFR‑mutant NSCLC or EGFR‑altered GBM have been treated with silevertinib. In December 2025 the Company ...
Temozolomide (TMZ) in the Treatment of Glioblastoma ... - PMC
The study showed that the use of TMZ results in a statistically significant improvement in OS and PFS, and older patients tolerate the ...
Efficacy and safety results of ABT-414 in combination with ...
ABT-414 plus chemoradiation demonstrated an acceptable safety and pharmacokinetic profile in newly diagnosed glioblastoma. Randomized studies are ongoing to ...
Early Silevertinib Data Lead to Phase 2 Trial Development
Of the 43 total patients, 25 have confirmed partial responses and 1 has a confirmed complete response. The objective response rate (ORR) is 60%.
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