MR-Guided Adaptive Radiotherapy + Temozolomide for Glioblastoma

MK
Overseen ByMichelle Kim, MD
Age: 18+
Sex: Any
Trial Phase: Phase 2
Sponsor: University of Michigan Rogel Cancer Center
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Prior Safety DataThis treatment has passed at least one previous human trial
Approved in 2 JurisdictionsThis treatment is already approved in other countries

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial explores whether a new approach to radiation therapy, combined with the chemotherapy drug Temozolomide, can extend survival for individuals with glioblastoma, an aggressive brain cancer. The trial targets more precise radiation delivery to difficult-to-treat tumor areas, aiming to improve survival compared to standard treatments. It seeks participants recently diagnosed with glioblastoma who have not yet undergone radiation. Those diagnosed with this type of brain cancer, without spread to areas like the brainstem, may find this trial suitable. As a Phase 2 trial, the research focuses on assessing the treatment's effectiveness in an initial, smaller group of participants.

Do I need to stop my current medications for this trial?

The trial protocol does not specify whether you need to stop taking your current medications. Please consult with the study team for guidance.

Will I have to stop taking my current medications?

The trial information does not specify whether you need to stop taking your current medications. It's best to discuss this with the study team or your doctor.

Is there any evidence suggesting that this trial's treatments are likely to be safe?

Research shows that temozolomide (TMZ) is generally safe for treating glioblastoma, a type of brain cancer. Studies indicate that TMZ can help patients, including older ones, live longer. However, some individuals might experience blood-related side effects, such as anemia or low white blood cell counts.

The dose-intensified radiotherapy is currently in a Phase 2 trial, which means researchers are still studying its safety. Phase 2 trials have suggested some safety in earlier research, but more information is needed to fully understand its effects.

In summary, TMZ has a strong safety record, while the intensified radiotherapy is still under investigation for its safety in humans.12345

Why are researchers excited about this study treatment for glioblastoma?

Researchers are excited about dose-intensified radiotherapy for glioblastoma because it combines advanced imaging and targeted radiation in a way that current treatment options do not. Unlike standard therapies that use fixed radiation plans, this approach is adaptive, meaning it can adjust to changes in the tumor's size and shape in real-time, guided by MRI. This precision aims to maximize the radiation dose to the cancer cells while minimizing damage to surrounding healthy tissue, potentially improving outcomes and reducing side effects.

What evidence suggests that dose-intensified radiotherapy and temozolomide could be effective for glioblastoma?

Research shows that adding temozolomide to radiation therapy helps glioblastoma patients live longer. Studies have found that this combination increases the average survival time compared to using radiation alone. Specifically, one study revealed that 70% of patients who received both treatments were alive after 10 years, compared to 47% of those who only had radiation. Additionally, using temozolomide for a longer period has been linked to better survival without causing more severe side effects. In this trial, patients will receive dose-intensified, adaptive photon radiation therapy. Although research on MR-guided adaptive radiotherapy is still developing, this method aims to more accurately target high-risk tumor areas, potentially enhancing treatment effectiveness.13467

Who Is on the Research Team?

MK

Michelle Kim, MD

Principal Investigator

University of Michigan

Are You a Good Fit for This Trial?

This trial is for adults with newly diagnosed glioblastoma who can give informed consent, follow study procedures, and have a life expectancy of at least 12 weeks. They should be in good physical condition (Karnofsky score ≥70), have adequate organ function, and agree to use contraception if applicable. The tumor must be ≤5 cm in diameter and patients must enroll within 6 weeks post-surgery.

Inclusion Criteria

My blood, liver, and kidney functions meet the required levels for the trial.
I have a newly diagnosed high-grade brain tumor.
I registered for the trial within 6 weeks after my last surgery.
See 6 more

Exclusion Criteria

I have had radiation therapy on my head or neck that overlaps with current treatment areas.
My MRI shows cancer in more than one part of an organ.
I have been cancer-free for at least 3 years, except for non-melanoma skin cancer or low-risk cancers not needing treatment.
See 6 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Radiation

Participants receive dose-intensified, adaptive photon radiation therapy

6-8 weeks

Chemotherapy

Concurrent administration of Temozolomide with radiation therapy

6-8 weeks

Follow-up

Participants are monitored for safety and effectiveness after treatment

12 months
Regular visits for monitoring and assessments

Long-term follow-up

Participants are monitored for overall survival and quality of life

Up to 2 years

What Are the Treatments Tested in This Trial?

Interventions

  • Dose-Intensified Radiotherapy
  • Temozolomide
Trial Overview The study tests if intensified radiation therapy targeted at high-risk tumor areas during treatment improves survival in glioblastoma patients compared to standard chemoradiotherapy. It includes dose-intensified radiotherapy with concurrent temozolomide followed by adjuvant temozolomide.
How Is the Trial Designed?
1Treatment groups
Experimental Treatment
Group I: Patients with Newly Diagnosed GlioblastomaExperimental Treatment3 Interventions

Dose-Intensified Radiotherapy is already approved in United States, European Union for the following indications:

🇺🇸
Approved in United States as Temodar for:
🇪🇺
Approved in European Union as Temodal for:

Find a Clinic Near You

Who Is Running the Clinical Trial?

University of Michigan Rogel Cancer Center

Lead Sponsor

Trials
303
Recruited
20,700+

Published Research Related to This Trial

In a trial involving 40 glioblastoma patients, the maximum tolerated dose (MTD) of intensity-modulated radiotherapy (IMRT) was determined to be 70 Gy, delivered in 25 fractions, without unacceptable acute toxicity.
The study demonstrated that this high dose of radiation, combined with standard doses of temozolomide (TMZ), did not result in significant late neurological toxicity after a median follow-up of 25 months, indicating a favorable safety profile.
Accelerated intensity-modulated radiotherapy plus temozolomide in patients with glioblastoma: a phase I dose-escalation study (ISIDE-BT-1).Massaccesi, M., Ferro, M., Cilla, S., et al.[2022]
In a study of 126 newly diagnosed glioblastoma patients, both standard dose radiotherapy (SDRT) and escalated dose radiotherapy (EDRT) combined with temozolomide (TMZ) showed similar overall survival (OS) and local progression-free survival (LPFS), with no statistically significant differences between the two treatments.
While the EDRT group had a median OS of 22 months compared to 14.9 months for SDRT, this difference was not statistically significant, indicating that further research with larger populations is needed to determine the true efficacy of EDRT in combination with TMZ.
Retrospective comparison of standard and escalated doses of radiotherapy in newly diagnosed glioblastoma patients treated with concurrent and adjuvant temozolomide.Guler, OC., Yıldırım, BA., Önal, C., et al.[2019]
In a study of 78 patients with gliomas, combining 3-dimensional conformal radiotherapy with temozolomide resulted in a significantly higher 3-year survival rate of 41.38% compared to 20.83% for temozolomide alone and 20.00% for radiotherapy alone.
The combination therapy also improved progression-free survival time to 23.29 months and overall survival time to 25.75 months, while adverse reactions were reported to be mild and tolerable.
[Efficacy and safety of 3-dimensional conformal radiotherapy combined with temozolomide for glioma].Wang, L., Tu, Q., Zhou, W., et al.[2018]

Citations

Temozolomide (TMZ) in the Treatment of Glioblastoma ...Prolonged TMZ therapy (>6 cycles) may result in improved survival of patients with GBM without increasing the frequency of hematologic side ...
The role of temozolomide as adjuvant therapy in glioblastoma ...TMZ has been shown to significantly improve patient outcomes, notably increasing the median overall survival compared to RT alone [2]. This ...
Clinical trial finds that adding the chemotherapy pill ...“We found that the 10-year survival rate was 70% with the combined treatment with temozolomide chemotherapy and radiation, compared to 47% with ...
Temozolomide based treatment in glioblastoma: 6 vs. 12 ...The present data suggested that extended adjuvant temozolomide appeared to be more effective than the conventional six cycles.
Second-line temozolomide in first recurrent MGMT-methylated ...Among patients receiving temozolomide only, stable disease or partial response was achieved in 53.3%, with a progression-free survival rate at 6 ...
Updated systematic review and meta-analysis - PMCSafety outcomes included the comparison of TMZ-induced grade 3 or worse hematologic toxicity (anemia, neutropenia, and thrombocytopenia) during adjuvant ...
Study Details | NCT01107522 | Safety and Tolerability of ...The purpose of this study is to determine the safety, tolerability, and the maximum tolerated dose/recommended phase II dose of carboxyamidotriazole orotate ...
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