High Grade GliomasBRIGHTERNCT07670455
Brain Radiotherapy Imaging for High-grade Glioma Using Hypoxia Targeting Through Oxygen-Enhanced Response
A study testing Oxygen-Enhanced MRI (OE-MRI) in people with High Grade Gliomas and Hypoxia Brain, run by The Leeds Teaching Hospitals NHS Trust.
Trial summary
High-grade gliomas (HGGs) are the most common type of brain cancer in adults. Life expectancy for patients with HGGs is low. Radiotherapy aims to cure the tumour, but this is hard because HGGs are resistant to treatment. Among the possible causes of resistance may be tumour cells with low-oxygen levels (hypoxia). Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- High Grade Gliomas, Hypoxia Brain, Glioblastoma (GBM)
- What is being tested?
- Oxygen-Enhanced MRI (OE-MRI)
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 25 participants
- Where
- No sites listed yet
- Study dates
- 1 Sep 2026to 31 Oct 2028
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- ≥18yrs.
- Participants able to communicate with staff and safely comply with the study procedures.
- Participants to provide informed written consent.
Who cannot join
- Participants with any MRI contraindications including inability to lie flat in MRI scanner, claustrophobia and no foreign bodies, medical devices or other items which are considered an MRI contraindication.
- Geographically remote patients unable to agree to imaging schedule.
- Participants with illness or condition which means they cannot understand the requirements of the study.
- Participants with cardiac or pulmonary disease that are unable to tolerate the flow of oxygen delivered via a mask.
- Participants who have previously been treated with bleomycin (a chemotherapy used to treat some cancers including Hodgkin lymphoma and germ cell tumours).
- Participants with contraindications to gadolinium-based contrast agent
Trial locations and contacts
No sites are listed yet. Contact the study team or a site near you to ask about taking part.
About this study
High-grade gliomas (HGGs) are the most common type of brain cancer in adults. Life expectancy for patients with HGGs is low. Radiotherapy aims to cure the tumour, but this is hard because HGGs are resistant to treatment. Among the possible causes of resistance may be tumour cells with low-oxygen levels (hypoxia). The investigators know that hypoxia reduces tumour sensitivity to radiotherapy. Using a special imaging technique called oxygen-enhanced MRI (OE-MRI), the investigators can try to identify areas of the tumour with hypoxia. The investigators could then give those areas a higher dose of radiotherapy. This might improve tumour control. This study aims to see if OE-MRI can find low-oxygen areas in HGGs. The study will also assess whether higher radiotherapy doses can be simulated in these regions.
Project summary:
- Set up the OE-MRI process at Leeds Cancer Centre (LCC). OE-MRI settings will be tested on healthy volunteer participants to ensure the images are as good as possible.
- Participant Imaging. Patient participants with HGG will be recruited to take part. OE-MRI will be used to image participants during their treatment and track low-oxygen areas before treatment, halfway through treatment and 3 months after treatment has finished.
- Dose Escalation Assessment. Computer programs will be used to design radiotherapy treatments to test if higher radiation doses to the tumour's low-oxygen areas can better control the cancer. This will help understand if this targeted approach has potential benefits. This is modelling and will not alter routine clinical patient participant management.
- Being tested
- Oxygen-Enhanced MRI (OE-MRI)
- Keywords
- Oxygen-enhanced MRI, OE-MRI, Functional MRI, Hypoxia imaging, Quantitative MRI, Tumour hypoxia
- Medical subject headings
- Hypoxia, Brain, Glioblastoma, Brain Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Oxygen-Enhanced MRI (OE-MRI)Diagnostic test
Oxygen-enhanced magnetic resonance imaging (OE-MRI) is performed to assess tumour hypoxia. Participants undergo MRI scanning while breathing oxygen administered as a physiological stimulus to generate contrast related to tissue oxygenation. Imaging is conducted at multiple time points during standard treatment. The procedure is used for assessment only and does not alter clinical management.
| Study group | Role | What they receive |
|---|---|---|
| OE-MRI in high-grade glioma | Experimental | Participants with high-grade glioma undergo oxygen-enhanced MRI (OE-MRI) at multiple time points (pre-treatment, mid-radiotherapy, and post-treatment) to assess tumour hypoxia. Oxygen is administered as a physiological stimulus during imaging. Data are used to evaluate hypoxia and to perform radiotherapy dose escalation modelling. No changes to standard clinical care are made. Receives: Diagnostic Test: Oxygen-Enhanced MRI (OE-MRI) |
What is being measured
The primary outcome is the main question the study is designed to answer.
Quantification of tumour hypoxia using oxygen-enhanced MRI (OE-MRI)
This study aims to determine whether a special MRI- oxygen-enhanced magnetic resonance imaging (OE-MRI)- can effectively show regions of low oxygen in patients with aggressive brain tumours (high-grade glioma (HGG)), and whether this information can help doctors target radiotherapy more accurately and improve patient outcomes.
Measured: From enrolment to the 3 month post-radiotherapy follow-up imaging
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 Jun 2026
- Study start1 Sep 2026 (estimated)
- Primary completion31 Aug 2028 (estimated)
- Study completion31 Oct 2028 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for High Grade GliomasStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 25 participants (estimated)
Sponsor and investigators
- Lead sponsor
- The Leeds Teaching Hospitals NHS Trust
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07670455
- Sponsor's protocol ID
- 26/YH/0136
- Other IDs
- NIHR306045, 349630, 64862 (BRIGHTER)
- Acronym
- BRIGHTER
- Status last verified
- Jun 2026
- First submitted
- 19 Jun 2026
- Last updated
- 30 Jun 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 30 Jun 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Brain Radiotherapy Imaging for High-grade Glioma Using Hypoxia Targeting Through Oxygen-Enhanced Response
- ClinicalTrials.gov ID
- NCT07670455
- Acronym / sponsor ID
- BRIGHTER / 26/YH/0136
- Keywords
- Oxygen-enhanced MRI, OE-MRI, Functional MRI, Hypoxia imaging, Quantitative MRI, Tumour hypoxia
- Study type
- Interventional
- Recruitment status
- Not yet recruiting
- Enrolment
- 25 participants (estimated)
- Lead sponsor
- The Leeds Teaching Hospitals NHS TrustUniversity, hospital or other
- Study start
- 1 Sep 2026 (estimated)
- Primary completion
- 31 Aug 2028 (estimated)
- Study completion
- 31 Oct 2028 (estimated)
- First posted
- 26 Jun 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
High-grade gliomas (HGGs) are the most common type of brain cancer in adults. Life expectancy for patients with HGGs is low. Radiotherapy aims to cure the tumour, but this is hard because HGGs are resistant to treatment. Among the possible causes of resistance may be tumour cells with low-oxygen levels (hypoxia). The investigators know that hypoxia reduces tumour sensitivity to radiotherapy. Using a special imaging technique called oxygen-enhanced MRI (OE-MRI), the investigators can try to identify areas of the tumour with hypoxia. The investigators could then give those areas a higher dose of radiotherapy. This might improve tumour control. This study aims to see if OE-MRI can find low-oxygen areas in HGGs. The study will also assess whether higher radiotherapy doses can be simulated in these regions.
Project summary:
- Set up the OE-MRI process at Leeds Cancer Centre (LCC). OE-MRI settings will be tested on healthy volunteer participants to ensure the images are as good as possible.
- Participant Imaging. Patient participants with HGG will be recruited to take part. OE-MRI will be used to image participants during their treatment and track low-oxygen areas before treatment, halfway through treatment and 3 months after treatment has finished.
- Dose Escalation Assessment. Computer programs will be used to design radiotherapy treatments to test if higher radiation doses to the tumour's low-oxygen areas can better control the cancer. This will help understand if this targeted approach has potential benefits. This is modelling and will not alter routine clinical patient participant management.
Study design
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| OE-MRI in high-grade glioma | Experimental | Diagnostic Test: Oxygen-Enhanced MRI (OE-MRI)Participants with high-grade glioma undergo oxygen-enhanced MRI (OE-MRI) at multiple time points (pre-treatment, mid-radiotherapy, and post-treatment) to assess tumour hypoxia. Oxygen is administered as a physiological stimulus during imaging. Data are used to evaluate hypoxia and to perform radiotherapy dose escalation modelling. No changes to standard clinical care are made. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- ≥18yrs.
- Participants able to communicate with staff and safely comply with the study procedures.
- Participants to provide informed written consent.
Key exclusion criteria (6 listed)
- Participants with any MRI contraindications including inability to lie flat in MRI scanner, claustrophobia and no foreign bodies, medical devices or other items which are considered an MRI contraindication.
- Geographically remote patients unable to agree to imaging schedule.
- Participants with illness or condition which means they cannot understand the requirements of the study.
- Participants with cardiac or pulmonary disease that are unable to tolerate the flow of oxygen delivered via a mask.
- Participants who have previously been treated with bleomycin (a chemotherapy used to treat some cancers including Hodgkin lymphoma and germ cell tumours).
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Oxygen-Enhanced MRI (OE-MRI)Oxygen-enhanced magnetic resonance imaging (OE-MRI) is performed to assess tumour hypoxia. Participants undergo MRI scanning while breathing oxygen administered as a physiological stimulus to generate contrast related to tissue oxygenation. Imaging is conducted at multiple time points during standard treatment. The procedure is used for assessment only and does not alter clinical management. | Diagnostic test | OE-MRI in high-grade glioma |
Primary outcome
Quantification of tumour hypoxia using oxygen-enhanced MRI (OE-MRI)
Time frame: From enrolment to the 3 month post-radiotherapy follow-up imaging
This study aims to determine whether a special MRI- oxygen-enhanced magnetic resonance imaging (OE-MRI)- can effectively show regions of low oxygen in patients with aggressive brain tumours (high-grade glioma (HGG)), and whether this information can help doctors target radiotherapy more accurately and improve patient outcomes.
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Jun 2026.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Questions about this trial
What is this clinical trial studying?
A study testing Oxygen-Enhanced MRI (OE-MRI) in people with High Grade Gliomas and Hypoxia Brain, run by The Leeds Teaching Hospitals NHS Trust.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: opening soon, as of the sponsor's last update on 30 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Christopher J. H. Pagett, MSc, MPhys (+441132067969, christopher.pagett@nhs.net), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Quantification of tumour hypoxia using oxygen-enhanced MRI (OE-MRI) (time frame: From enrolment to the 3 month post-radiotherapy follow-up imaging). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Jun 2026; AzTrials last refreshed its copy on 26 Oct 2026.