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Imaging glioblastoma pH using CEST-MRI

A single-arm exploratory study examining the feasibility of imaging glioblastoma pH using CEST-MRI

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN86522205
Enrollment
20
Registered
2017-08-07
Start date
2017-10-24
Completion date
Unknown
Last updated
2025-09-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Brain Cancer Cancer Malignant neoplasm of brain

Interventions

Current interventions as of 22/08/2019: Study participants (previously untreated glioblastoma patients for resection/debulking surgery) will undergo a CEST-MRI scan and ASL Perfusion MRI scan in addi

Sponsors

University of Oxford
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Participant is willing, capable of cooperating with the protocol and able to give informed consent for participation in the study 2. Male or female, aged 18 years or above 3. Diagnosed with glioblastoma and scheduled for neurosurgical resection or debulking

Exclusion criteria

Exclusion criteria: Current exclusion criteria as of 16/02/2018: 1. Intolerant of MRI brain (for example: claustrophobia) 2. MRI brain contraindicated (for example: implanted electric and electronic devices, heart pacemakers, insulin pumps, implanted hearing aids, neurostimulators, intracranial metal clips, metallic bodies in the eye) 3. Neoadjuvant chemotherapy/radiotherapy treatment for glioblastoma which would interfere with the interpretation of trial results 4. Pregnancy 5. Other psychological, social or medical condition that the investigator considers would make the patient a poor trial candidate or could interfere with protocol compliance or the interpretation of trial results Previous exclusion criteria: 1. Intolerant of MRI brain (for example: claustrophobia) 2. MRI brain contraindicated (for example: implanted electric and electronic devices, heart pacemakers, insulin pumps, implanted hearing aids, neurostimulators, intracranial metal clips, metallic bodies in the eye) 3. Prior treatment for glioblastoma 4. Pregnancy 5. Other psychological, social or medical condition that the investigator considers would make the patient a poor trial candidate or could interfere with protocol compliance or the interpretation of trial results

Design outcomes

Primary

MeasureTime frame
pH-weighted CEST MRI signal, assessed using amide proton transfer ratio analysis, taken at the patient’s imaging visit

Secondary

MeasureTime frame
Current secondary outcome measures as of 22/08/2019: 1. Protein levels obtained from tissue-based assay using biopsies obtained on the surgery date 2. pH levels obtained from tissue-based assay using biopsies obtained on the surgery date 3. Hypoxia markers obtained from immunohistochemistry using biopsies obtained on the surgery date 4. Cerebral blood flow and bolus arrival time from ASL MRI perfusion scan, taken at the patient’s imaging visit 5. Correlation of tumour metabolite levels and functional genetic pathway expression with CEST-MRI imaging signal Previous secondary outcome measures: 1. Protein levels obtained from tissue-based assay using biopsies obtained on the surgery date 2. pH levels obtained from tissue-based assay using biopsies obtained on the surgery date 3. Hypoxia markers obtained from immunohistochemistry using biopsies obtained on the surgery date 4. Cerebral blood flow and bolus arrival time from ASL MRI perfusion scan, taken at the patient’s imaging visit

Countries

England, United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026