Dispersal Pattern for Spine Injections (Gadolinium Contrast)

Status Completed

Clinical Trial Summary

This study will analyze injectate dispersal patterns after standard-of-care cervical epidural steroid injections using gadolinium as a marker and magnetic resonance imaging (MRI) to characterize the pattern. Although these procedures are performed with high frequency under the assumption that injectate remains localized to injection site, no peer-reviewed studies have validated this assumption. Comprehensive characterization of injectate dispersal patterns will provide important data regarding safety, as well as diagnostic and therapeutic potential of cervical epidural steroid injections.

Clinical Trial Description

Epidural steroid injections have long had an impact in the treatment of various spine-related conditions, particularly radiculopathy. The efficacy of epidural spinal injections has been attributed to the anatomic location reached by the injectate. Cervical epidural steroid injections are also used as an injury location indicator. This application is based on documenting pain relief after injection into a specific location in the cervical spine. Both the diagnostic and therapeutic applications for epidurals assume that the injectate remains local to the injection site in order to have its effects. However, in a recently completed study, the investigators group documented substantial diffusion of injectate after lumbar epidurals used computerized tomography (CT) assessments.1 Based on the exposure to ionizing radiation associated with CT along with the superior imaging specificity and sensitivity of MRI, the investigators are shifting their imaging modality to MRI for future studies. The proposed study is designed to evaluate the use of gadolinium and MRI to assess nature and amount of diffusion of injectate in the cervical region after standard-of-care epidural injections. To the investigators knowledge, this will be the first study to critically assess this common procedure in order to evaluate safety and efficacy in a clinical setting. ;

Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Health Services Research

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02217280
Study type	Interventional
Source	University of Missouri-Columbia
Contact
Status	Completed
Phase	N/A
Start date	April 2015
Completion date	March 2016

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.