Glioblastoma Clinical Trial
— PEAR-GLIOOfficial title:
Prospective Evaluation of AI R&D Tool in Adult Glioma and Other Primary Brain Tumours (PEAR-GLIO)
Pear Bio has developed a 3D microtumor assay and computer vision pipeline through which the response of an individual patient's tumor to different anti-cancer regimens can be tested simultaneously ex vivo. This study will recruit patients with primary brain tumors who are due to undergo surgery. Oncologists will be blinded to treatment response on the Pear Bio tool (the assay will be run in parallel with the patient's treatment). The primary objective of this study is to establish the ex vivo model and confirm whether approved therapies exhibit their intended mechanism of action in the model. Secondary objectives include correlating test results to patient outcomes, where available.
Status | Recruiting |
Enrollment | 50 |
Est. completion date | December 1, 2025 |
Est. primary completion date | December 1, 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion: 1. Patient diagnosed with operable brain cancer, thought likely to be primary solid brain tumor on imaging (grade 2 - 3 meningioma; grade 1 - 4 tumors otherwise) or with histologically proven primary malignant solid brain tumor 2. Able to give written informed consent prior to admission to this study; 3. Female or male aged =18 years; 4. Patient consents to the use of their surgical sample and 40mL of whole blood for research purposes 5. Surgical sample and yields =0.4g for the study 6. Patient consents to providing histopathology data (e.g., confirmation of histological subtype as oligodendroglioma) and other pseudonymised health information including imaging, treatment and outcome data. Exclusion: 1. Inoperable or biopsy only 2. Suspected lymphoma or myeloma, or grade 1 meningioma 3. Preoperative haemoglobin levels below 120g/L 4. Patients who have already received chemotherapy, targeted therapy, immunotherapy, or radiotherapy less than 30 days before date of surgery, unless as part of a clinical trial (requires per-patient sponsor approval) 5. Recurrence of cancer originating from a site other than the brain 6. Any other disease, metabolic dysfunction, physical examination finding, or clinical laboratory finding that, in the investigator's opinion, gives reasonable suspicion of a disease or condition that may affect the interpretation of the results, render the patient at high risk from treatment complications or interferes with obtaining informed consent. |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Imperial College Healthcare NHS Trust | London |
Lead Sponsor | Collaborator |
---|---|
Ourotech, Inc. | Imperial College Healthcare NHS Trust |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Culture success rate of tumor cells | The percentage of cultures in which =70% of viable tumor cells encapsulated post-isolation on day 0 are still alive on day 3 in the control cultures (no treatment) compared to the number of tumor samples successfully accepted at the study central lab. | 1 week | |
Other | Culture rates success for immune cells | The percentage of cultures in which =70% of viable immune cells plated post-extraction on day 0 are still alive on day 3 in the control cultures (no treatment) compared to the number of blood samples successfully accepted at the study central lab. | 1 week | |
Other | Find correlations between ex vivo tumor culture or multi-omic biomarkers and real-world patient outcomes | To correlate Pear assay results, biomarkers and outcomes | 12 months | |
Other | Assess Pear Bio's assay ability to categorise patients for below average or above average overall survival (OS | Categorisation of patients into survival cohorts using the Pear assay | 12 months | |
Other | Assess the correlation of omics biomarkers to patient PFS, ORR and/or OS | Correlation between biomarkers and clinically relevant outcomes | 12 months | |
Primary | Differentiated ex vivo treatment response | Measurement of treatment response in the Pear Assay | 2 weeks | |
Secondary | Progression-free survival correlation | The correlation between response in the Pear Bio system and PFS in patients | 1 year |
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