- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03212976
Clinical Efficacy of a Non-Invasive Measure of Intracranial Pressure (MR-ICP)
Assessment of the Clinical Efficacy of a Non-Invasive Measurement of Intracranial Pressure by Magnetic Resonance Phase Contrast Imaging
This study is designed to evaluate the accuracy of a non-invasive method phase-contrast magnetic resonance imaging (MR-ICP) for assessing intracranial pressure (Phase 1).
To perform second phase contrast imaging to evaluate the patency and flow of ventricular catheters after MR-ICP imaging (Phase 2).
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The study will be divided into 2 phases. In Phase 1, patients with an intracranial pressure monitor will be recruited to the study, while in Phase 2, patients with shunts or Cerebral Spinal Fluid (CSF) access devices (Ommaya, reservoir, etc.) will be eligible for the study.
Two separate groups of patients will be recruited to each phase of the study. Each phase of the study will involve MR-ICPs. The MR-ICP is an extra 5-10 minute sequence at the end of a MRI that assesses the pressure in the head. The MRI will take scans of the brain during different phases of the cardiac cycle and will assess the volume changes while the patient is lying flat. The pressure in the head will be estimated based on these calculations. This estimate will be compared to the pressure in the head as determined by the ICP monitor.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Ashish Shah, MD
- Phone Number: 305-243-6946
- Email: ashish.shah@jhsmiami.org
Study Locations
-
-
Florida
-
Miami, Florida, United States, 33136
- Recruiting
- Jackson Memorial Hospital
-
Contact:
- Ashish Shah, MD
- Phone Number: 305-243-6946
- Email: ashish.shah@jhsmiami.org
-
Miami, Florida, United States, 33136
- Recruiting
- University of Miami Hospital
-
Contact:
- Ashish Shah, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients referred for a MRI by Attendings in the Department of Neurological Surgery at the University of Miam with intracranial pathology with external ventricular drains (EVDs) or intracranial bolts placed for hydrocephalus or intracranial hypertension. Bolts must be placed prior to enrollment in the study to avoid any alterations in standard procedure
- All pathological entities that produce intracranial hypertension will be included (trauma, tumor, vascular, infectious, inflammatory, etc).
- Patients must undergo a MRI for another clinically indicated reason (diagnosis, surveillance, cervical MRI clearance, prognosis, etc).
- English and Spanish-speaking patients
Exclusion Criteria:
- Unable to obtain MRI due to prior implants, metallic material, inability to sit still
- Refractory intracranial hypertension (not controlled with medications, surgery, or EVD)
- Unable to obtain informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Study Phase 1
Patients with an intracranial pressure monitor will undergo phase contrast magnetic resonance imaging to measure their ICP.
|
Phase-contrast magnetic resonance imaging will be done to assess intracranial pressure
|
Other: Study Phase 2
Patients with shunts or CSF access devices such as Ommaya reservoir, etc will undergo phase contrast magnetic resonance imaging
|
Phase-contrast magnetic resonance imaging will be done to assess intracranial pressure
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Intracranial Pressure Measurement
Time Frame: 1 day
|
Ratio of intracranial volume
|
1 day
|
Patency of ventricular catheters
Time Frame: 7 days
|
Patency of ventricular catheters will be measured using multi-voxel MRI-ICP to qualitatively assess presence of CSF flow.
|
7 days
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Ronald Benveniste, MD, PhD, University of Miami
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
- 20170130
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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