- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02084147
PET-MRI in Diagnosing Patients With Cancer, Cardiac Diseases, or Neurologic Diseases
PET-MRI: Evaluation, Optimization and Clinical Implementation
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
PRIMARY OBJECTIVES:
I. To assess and optimize image quality of PET and MRI focusing on technical artifacts and their correction.
II. To assess the accuracy of PET quantification based on MR attenuation correction (MRAC) derived from various MRI sequences and reconstruction algorithms including the effect of routinely used Gadolinium-based contrast agents on MRAC.
III. To determine the clinical and diagnostic accuracy of PET-MRI in comparison to standard-of-care diagnostic imaging.
IV. To assess the efficacy and workflow in combining PET and MRI in one single examination as compared to separate imaging studies.
V. To assess the potential for radiation dose reduction if PET-CT is substituted by PET-MRI, thus avoiding the radiation exposure from the CT-component.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Ohio
-
Cleveland, Ohio, United States, 44106-5065
- Case Comprehensive Cancer Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Clinically indicated PET/PET-CT (with or without clinically indicated diagnostic MRI)
Presenting with one of the four conditions specified below
- Fludeoxyglucose F 18 (FDG) avid cancers
- Cardiac disease (cardiac viability assessment)
- Neurologic disorders (dementia)
- Inflammatory disease (for example fever of unknown origin, vasculitis, osteomyelitis)
Exclusion Criteria:
- Pregnancy and lactation
- Contraindications to undergo MRI
- Cardiac pacemaker and metal devices (as specified in a separate MRI Informed consent)
- Claustrophobia or inability to tolerate MRI examination (lay still for approximately 1 hour and hold breath intermittently)
- Previously known allergies against MRI contrast agents (exclusion criterion only for contrast enhanced MRI)
- Renal insufficiency: glomerular filtration rate (GFR) < 40ml/min/1.73m^2 and following European Society of Urogenital Radiology (ESUR) guidelines (exclusion criterion only for contrast enhanced MRI)
- Individuals who are not willing or capable of giving informed consent or assent (with legal guardian consent)
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: PET-CT and PET-MRI
Patients undergo PET-CT over approximately 30 minutes and PET-MRI over approximately 45-90 minutes.
|
Undergo PET
Other Names:
Undergo CT
Other Names:
Undergo MRI
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall Image Quality Scores
Time Frame: Day 1
|
Overall image quality scores obtained from the two imaging modalities will be compared with the hypothesis that hybrid PET-MRI images is as good as PET-CT images or superior (not inferior) to the PET-CT images.
Evaluation of overall image quality will be assessed using the following criteria: 1=excellent, 2=good, 3=acceptable, 4=poor, 5=not acceptable.
A Wilcoxon (Mann-Whitney) rank-sum test with a 0.100 significance level will be used.
|
Day 1
|
Lesion Based Standard Uptake Values (SUV)
Time Frame: Day 1
|
Lesion based SUV will be estimated and compared for PET-MR and PET-CT images in normal organs and compared.
A two-sided two-sample t-test will be used to show significance of difference.
|
Day 1
|
Area Under the Receiver Operating Characteristic Curve
Time Frame: Day 1
|
A two-sided z-test will be used to detect the difference in the area under the curve showing the sensitivity, specificity, positive and negative predictive values as well as accuracy of diagnostic information.
|
Day 1
|
Time Effort Associated With the PET-MRI Versus PET-CT With MRI
Time Frame: Day 1
|
Statistical difference in time between PET-MRI versus sequential approach for PET-CT plus MRI.
Workflow with shortest timely efforts and sufficient diagnostic information will be established as routine procedure.
|
Day 1
|
Radiation Dose Reduction With PET-MRI
Time Frame: Day 1
|
Dose measurements will be used to calculate effective radiation dose in each patient.
Dose calculations of effective dose will be used to estimate dose savings in omitting the CT component of PET-CT.
Statistical tests will use a 0.10 significance level and will be 2-sided
|
Day 1
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Pablo Ros, MD, MPH, PhD, Case Comprehensive Cancer Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
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
- CASE16Z12 (Other Identifier: Case Comprehensive Cancer Center)
- P30CA043703 (U.S. NIH Grant/Contract)
- NCI-2014-00376 (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
product manufactured in and exported from the U.S.
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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