- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03649880
Feasibility of FMISO in Brain Tumors
Feasibility of [¹⁸F]-Fluoromisonidazole (FMISO) in Assessment of Malignant Brain Tumors
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVES:
I. Determine the feasibility of obtaining ¹⁸F- fluoromisonidazole (FMISO) PET (hypoxic volume and tumor to blood background values [T/B]) and dynamic susceptibility contrast enhanced (DSC) & diffusion-weighted imaging (DWI) MRI measures in patients with intracranial brain tumors.
II. Determine if MRI contrast-enhancement and hypoxic volume are imaging profiles of glioblastoma immunotherapy-mediated pseudoprogression or true progression in a clinical trial.
SECONDARY OBJECTIVE:
I. Determine the feasibility of baseline and follow-up FMISO PET and MR imaging co-registration.
TERTIARY OBJECTIVE:
I. Determine the reproducibility of the baseline FMISO PET imaging metrics as assessed by baseline "test" and "retest" experiments.
OUTLINE:
Participants receive FMISO intravenously (IV). Participants also undergo dynamic PET/computed tomography (CT) or PET/MRI over 120 minutes beginning 1 minute prior to FMISO injection, and static PET/CT or PET/MRI over 20-40 minutes approximately 90 minutes after FMISO injection. Participants then undergo a retest examination within 7 days. Participants may undergo 2 more PET/MRI or PET/CT scans no sooner than every 4 weeks. Supplemental oxygen may be administered to effect MRI signal.
After conclusion of the diagnostic tests, participants are followed for up to 5 years.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Locations
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-
Oregon
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Portland, Oregon, United States, 97239
- Recruiting
- OHSU Knight Cancer Institute
-
Principal Investigator:
- Ramon Barajas
-
Contact:
- Ramon Barajas
- Phone Number: 503-494-3408
- Email: RADResearch@ohsu.edu
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Adult patients (greater than 18 years of age) with a known or suspected intracranial tumor.
- Able to provide informed written consent and/or acceptable surrogate capable of providing consent on the patient's behalf.
- Legally authorized representative (LAR)-signed informed consent and assent obtained for those subjects identified as decisionally impaired
- Intracranial lesion known or suspected to be neoplastic greater than 10 mL as assessed by T2/fluid attenuated inversion recovery (FLAIR) MR imaging.
- Karnofsky performance score > 60 or Eastern Cooperative Oncology Group (ECOG) < 3 as assessed by referring clinician.
- Planning to undergo or previously received therapeutic intervention for the intracranial tumor.
Exclusion Criteria:
- Pregnant or breast feeding.
Contraindication to PET, MRI, FMISO, or intravenous gadolinium based contrast agents.
- Claustrophobia.
- Weight greater than modality maximum capacity.
- Presence of metallic foreign body or implanted medical devices in body not documented as MRI safe according to the Oregon Health & Science University (OHSU) Department of Radiology guidelines (including but not limited to cardiac pacemaker, aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants).
- Sickle cell disease.
- Reduced renal function, as determined by glomerular filtration rate (GFR) < 45 mL/min/1.73 m^2 based on a serum creatinine level obtained per OHSU Department of Radiology and Advanced Imaging Research Center (AIRC) clinical criteria.
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to FMISO. An allergic reaction to nitroimidazoles is highly unlikely.
- Unsure of pregnancy status as assessed by Department of Radiology and AIRC guidelines.
- Subjects for whom supplemental oxygen could be harmful such as people with potential for hypoventilation (end-stage COPD, OSA on CPAP/Bi-PAP, etc).
- Subjects with a relative contraindication to supplemental oxygen administration will not be provided oxygen but may still participate in the study.
- Presence of any other co-existing condition that, in the judgment of the principal investigator, might increase the risk to the subject (i.e., plans for hospice or end of life care).
- Poor peripheral intravenous access evaluated by patient history.
- Presence of other serious systemic illnesses, including: uncontrolled infection, other uncontrolled malignancy, uncontrolled diabetes type II, or psychiatric/social situations which might impact the endpoint of the study or limit compliance with study requirements.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Diagnostic (FMISO, PET/MRI or PET/CT)
Participants receive FMISO intravenously (IV).
Participants also undergo dynamic PET/computed tomography (CT) or PET/MRI over 120 minutes beginning 1 minute prior to FMISO injection, and static PET/CT or PET/MRI over 20-40 minutes approximately 90 minutes after FMISO injection.
Participants then undergo a retest examination within 7 days.
Participants may undergo 2 more PET/MRI or PET/CT scans no sooner than every 4 weeks.
Supplemental oxygen may be administered to effect MRI signal.
|
Undergo PET/CT
Other Names:
Undergo PET/MRI
Other Names:
Given IV
Other Names:
Receive supplemental oxygen
Other Names:
Undergo PET/MRI or PET/CT
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
MRI contrast enhancement
Time Frame: Up to 5 years
|
Measured by Response assessment in neuro-oncology criteria sum product diameter assessment.
The primary outcomes for this aim are enhancement mismatch ratio and hypoxic volume.
Differences in imaging metrics will be evaluated using two sample t-test.
If normal assumption is not satisfied, data transformation, or 95% confidence intervals based on bootstrapping method will be used.
Exploratory analysis will assess diagnostic performance of imaging metrics (mismatch ratio and hypoxic volume) to identify pseudoprogression at earlier imaging dates.
|
Up to 5 years
|
Macro-imaging level feasibility
Time Frame: One day of diagnostic imaging
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Assessed as a factor of generating quantitative positron emission tomography (PET)/magnetic resonance imaging (MRI) metrics (intra-tumoral FMISO tumor to blood [T/B] level, hypoxic volume, dynamic susceptibility contrast enhanced [DSC], and diffusion-weighted imaging [DWI] values, and tissue oxygen maps).
Images generated during the administration of oxygen will be used to generate tissue oxygen maps of the brain.
Following completion of cohort enrollment, the generation of each quantitative PET/MRI metric will be independently scored as a dichotomous variable; successful or non-successful.
Proportional assessment will be performed to assess for project feasibility.
The successful generation of PET/MRI metrics in 85% of the initial cohort successfully imaged will need to be achieved for the imaging modality to be deemed feasible for this study.
The estimated proportion of success rate for each metric along with the corresponding 95% binomial confidence interval will be provided.
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One day of diagnostic imaging
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Technical feasibility of PET/MRI
Time Frame: Baseline to the start of long-term follow-up (up to 5 years)
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The generation of co-registered imaging data sets will be independently scored as a dichotomous variable; successful or non-successful (< 10mm versus [vs.] > 10mm alignment error).
Proportional assessment will be performed to assess for project feasibility.
The estimated proportion along with the corresponding 95% binomial confidence interval will be provided.
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Baseline to the start of long-term follow-up (up to 5 years)
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Tumor regions
Time Frame: Baseline to the start of long-term follow-up (up to 5 years)
|
A Wilcoxon signed rank test will be used to test the hypothesis that ¹⁸F-Fluoromisonidazole (FMISO) values observed within the T2/fluid attenuated inversion recovery (FLAIR) hyperintense region of the tumor following therapy will undergo a statistically significant change when compared to baseline pre-therapeutic values.
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Baseline to the start of long-term follow-up (up to 5 years)
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Ramon Barajas, OHSU Knight Cancer Institute
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
- STUDY00016043 (Other Identifier: OHSU Knight Cancer Institute)
- K08CA237809 (U.S. NIH Grant/Contract)
- NCI-2018-01479 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
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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