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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05530798
Other study ID # 00120959
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date December 1, 2023
Est. completion date October 1, 2024

Study information

Verified date January 2024
Source Medical University of South Carolina
Contact Brian F Saway, MD
Phone 8434940234
Email saway@musc.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Spinal cord injury following posterior decompression in patients suffering from chronic, cervicothoracic spinal cord compression is a known complication with multiple etiologies. Currently, intraoperative neuromonitoring (IONM) remains the gold standard for predicting and preventing post-operative deficits from these procedures. However, there is a paucity in the field of spine surgery for further, non-invasive biomarkers that can help detect and prognosticate the degree of spinal cord injury intraoperatively. Contrast enhanced ultrasound (CEUS) is a radiation free imaging modality that utilizes nanobubble technology to allow for visualization of the macro- and microvascular architecture of soft tissue structures. Despite being currently approved for the use in hepatology and cardiology, it has remained absent from the field of spinal cord injury. The study team aims to evaluate and quantify micro- and macrovascular changes that lead to areas of hyper-perfusion as well as areas of ischemia intraoperatively in patients that undergo elective cervicothoracic posterior decompression for chronic compression. In addition, the study team aims to assess the efficacy of CEUS in detecting microvascular changes that correlate with IONM changes and predicting degree and recovery of post-operative neurologic deficits from intraoperative spinal cord injury. The study team hypothesizes that following decompression, subjects will have detectable levels of microvascular changes causing areas of hypoperfusion and reperfusion injury. Second, the study team hypothesizes that these perfusion changes will correlate with intraoperative neuromonitoring changes and can predict and prognosticate the degree of post-operative neurologic injury.


Recruitment information / eligibility

Status Recruiting
Enrollment 20
Est. completion date October 1, 2024
Est. primary completion date October 1, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria: - Patients consented and scheduled for posterior cervicothoracic decompression surgery with the PI for the diagnosis of cervicothoracic myeloradiculopathy - Age 18-80 Exclusion Criteria: - Pregnancy - Patient's with known hypersensitivity to ultrasound contrast - Patients with known hypersensitivity to perflutren lipid microsphere or its components, such as polyethylene glycol (PEG) - Patients unable to actively participate in the consent process physically and/or cognitively - Prior decompression at the intended level of decompression

Study Design


Intervention

Device:
Definity Perflutren Lipid Microsphere Ultrasound Contrast
Before the spinal decompression surgery has started, the study team will inject the ultrasound contrast to visualize the spinal cord prior to decompression of the spinal cord. After the spinal cord has been decompressed, the study team will inject the ultrasound contrast to visualize the spinal cord directly after decompression of the spinal cord. Prior to completion and closure of the incision, the study team will once more inject the ultrasound contrast to visualize the spinal cord. A member of the research team will follow up with study participants within a week of the procedure by phone. The research staff will also review the participants' medical record for up to 360 days after your procedure to collect information on clinical outcomes and any additional treatments, tests or procedures the study participants may have had.

Locations

Country Name City State
United States Medical University of South Carolina Charleston South Carolina

Sponsors (2)

Lead Sponsor Collaborator
Medical University of South Carolina South Carolina Spinal Cord Injury Research Fund

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Contrast Enhanced Ultrasound to determine changes of blood flow in the spinal cord at the site of decompression. Use of Contrast Enhanced ultrasound to identify discreet areas of perfusion changes in the spinal cord of subjects that undergo spinal cord decompression. Intra-operative (Approximately 3 hours)
Secondary Correlation of perfusion changes measured by intra-operative Contrast Enhanced Ultrasound with neurologic outcomes measured by serial neurologic exams and functional outcomes (Frankel Grade and Modified Rankin Scale). To assess whether discreet areas of perfusion changes seen by Contrast Enhanced ultrasound in the spinal cord intraoperatively correlate with the neurologic and functional outcomes of subjects that undergo spinal cord decompression Clinical Monitoring (12 months)
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