- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05720078
UNIty-Based MR-Linac Guided Adaptive RadioThErapy for High GraDe Glioma-3 (UNITED-3) (UNITED-3)
UNIty-Based MR-Linac Guided Adaptive RadioThErapy for High GraDe Glioma-3 (UNITED-3): Applying a Two Phase, Personalized Margin, Reduced Clinical Target Volume Approach
The goal of this study is to test whether an adaptive radiation therapy (RT), two-phase approach in participants with glioblastoma impacts local control compared to standard non-adaptive RT approach. The main questions of the study are to see how this adaptive, two-phase RT approach compares to standard RT in terms of:
- Local control
- Overall and progression-free survival
- Patterns of failure
- Toxicity, Neurological Function, and Quality of Life
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Glioblastoma (GBM) is a high grade glioma (brain tumor) that is treated with surgery or biopsy followed by radiotherapy (RT) given daily over 6 weeks with or without an oral chemotherapy. Radiation is targeted to the visible residual tumor on magnetic resonance imaging (MRI) images plus a large margin of 15 to 30 mm to account for possible cancer cells outside the visible tumor and for potential growth or shifts in tumor position throughout the prolonged RT course. Standard RT uses MRI to create a reference plan (with large margins) and treats that same volume every day. This exposes a large amount of healthy brain tissue to radiation leading to toxicity and reduced quality of life.
A new technology, the MR-Linac, combines an MRI scanner and a Linac (radiation delivery machine) into one unit. This allows for "adaptive" RT by obtaining an updated MRI scan each day just prior to treatment, adapting the RT plan to take into account any changes in the tumor or the patient's anatomy on that given day. This allows for a smaller (5 mm) margin on the visible tumor as its position can be tracked daily. The goal of this study is to use adaptive RT with small margins with a two-phase approach to test the impact on local control of the visible tumor compared to the large volumes used with standard non-adaptive RT, as well as impacts on neurocognitive function and quality of life.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Jay Detsky, MD
- Phone Number: 4806 416-480-6100
- Email: jay.detsky@sunnybrook.ca
Study Locations
-
-
Ontario
-
Toronto, Ontario, Canada, M4N3M5
- Recruiting
- SunnyBrook Health Sciences Centre
-
Contact:
- Jay Detsky, MD
- Phone Number: 416-480-4806
- Email: jay.detsky@sunnybrook.ca
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Histopathologically confirmed, based on biopsy or surgical resection, glioblastoma, or grade 4 astrocytoma, as defined by the World Health Organization (WHO)
- Deemed clinically appropriate for long course radiation therapy concurrent with systemic therapy
- Biopsy or surgical resection performed ≤ 12 weeks prior to study entry
Adequate hematological, renal and hepatic functions as defined by the following required laboratory values obtained within 14 days prior to study entry:
- Absolute granulocyte count (AGC) > 1.5 x 109/L (1,500 cells/mm3)
- Platelet count > 100x109/L (100,000 cells/mm3)
- Serum creatinine < 1.5 times the upper limit of normal
- Total serum bilirubin < 1.5 times the upper limit of normal
- Alanine Aminotransferase (ALT, or formerly serum glutamic-pyruvic transaminase (SGPT)) < 2.5 times the upper limit of normal
- and/or aspartate aminotransferase (AST, or serum glutamic-oxaloacetic transaminase (SGOT)) < 2.5 times the upper limit of normal
- Expected survival ≥ 12 weeks
- Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2
- Able (sufficiently fluent in English) and willing to complete quality of life questionnaires; however, inability to complete the questionnaires will not make the patient ineligible for the study
- Sufficient estimated glomerular filtration rate (eGFR) of ≥ 30 mL / min/1.73 m2 to allow administration of gadolinium-based contrast agent; patients with eGFR < 30 mL/min/1.73 m2 not on dialysis may be allowed on the study after discussion of risks and benefits and approval by study neuroradiologist(s)
- Completed written informed consent
- Patient must be accessible for treatment and follow-up
Exclusion Criteria:
- Contraindications to MRI examination as per standard MRI screening policy
- Contraindication to Gadolinium-based contrast media
- Inability to lie flat in a supine position for at least 30 minutes
- Inability to tolerate immobilization in a head thermoplastic mask
- Patients > 140 kg and/or a circumference > 60 cm
- Prior therapeutic cranial irradiation
- Leptomeningeal dissemination of disease
- History of other malignancies with the exception of adequately treated non-melanoma skin cancer, or curatively treated other solid tumours with no evidence of disease for ≥ 2 years
- Patients with any condition (e.g. psychological, geographical, etc.) that does not permit compliance with the protocol
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Adaptive, two-phase RT
|
Participants in this arm will be treated with an adaptive, two-phase radiation therapy approach
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Rate of marginal failure (if 20-80% of the recurrent GTV (rGTV) falls within the 95% isodose line)
Time Frame: Through study completion, anticipated 6-12 months
|
Through study completion, anticipated 6-12 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall survival
Time Frame: Through study completion, anticipated 6-24 months
|
Through study completion, anticipated 6-24 months
|
|
Progression-free survival
Time Frame: Through study completion, anticipated ~5 months
|
Through study completion, anticipated ~5 months
|
|
Rate of local control, in accordance with RANO-HGG criteria
Time Frame: Through study completion, anticipated ~5 months
|
Through study completion, anticipated ~5 months
|
|
Patterns of failure
Time Frame: Through study completion, anticipated 6-24 months
|
Through study completion, anticipated 6-24 months
|
|
Rate of toxicity
Time Frame: Through study completion, anticipated 6-24 months
|
Assessed using the Radiation Therapy Oncology Group (RTOG) acute toxicity scale, which assesses acute toxicity using a scale of 0-5, and late toxicity using a scale of 1-4.
In both scales, a higher score means a worse outcome.
|
Through study completion, anticipated 6-24 months
|
Health-related Quality of Life
Time Frame: Through study completion, anticipated 6-24 months
|
Assessed using the European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 to measure quality of life
|
Through study completion, anticipated 6-24 months
|
Changes in neurologic function
Time Frame: Through study completion, anticipated 6-24 months
|
Assessed through the Neurologic Assessment in Neuro-Oncology (NANO) scale
|
Through study completion, anticipated 6-24 months
|
Adaptive Radiation Dosimetry
Time Frame: 6 weeks
|
6 weeks
|
|
Functional Imaging Kinetics as a Correlate of Treatment Response
Time Frame: Through study completion, anticipated 12-24 months
|
Through study completion, anticipated 12-24 months
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- UNITED-3
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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