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NCT number NCT01547364
Study type Interventional
Source Smigel, Liza, M.D.
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Status Completed
Phase Phase 2
Start date February 2012
Completion date November 2015

Clinical Trial Summary

Objective: The purposes of the study are to

1. Explore the immediate and short term (to 48 hour) analgesic potential of epidural D5W in comparison to normal saline.

2. Determine if cumulative benefit results from caudal dextrose injection.

3. Evaluate accuracy of a small needle vertical approach caudal injection that will allow for blind injection of D5W.


Clinical Trial Description

Injection of dextrose into the epidural space as an admixture with various steroids and anesthetic has been utilized for years for purposes of altering the specific gravity of the injectate. No safety issues or concerns have been raised about the dextrose component inclusion but a separate therapeutic effect of dextrose has not heretofore been considered. Recently dextrose has been found to treat neurogenic inflammation (pain from upregulation of the TRPV1 receptor on peptidergic nerves). An analgesic effect of dextrose on chronic pain in the presence of painful sensory nerves has been observed with injection of D5W without anesthetic. That effect begins within seconds clinically. Physicians have empirically trialed D5W for epidural injection in a 10 ml volume and found that marked or complete analgesia of chronic low back and leg pain results in the majority of patients within 15 minutes. An empirical consecutive patient date collection has demonstrated that this initial effect lasts for 2 to 48 hours, and that the effect begins to sustain after 2-3 sessions. For this reason, the current study is designed with the the first two objectives:

1. Explore the immediate and short term (to 48 hour) analgesic potential of epidural D5W in comparison to normal saline.

2. Determine if cumulative benefit results from caudal dextrose injection.

In addition to determining potential benefit from caudal epidural of dextrose, the accuracy of a simple vertical approach to injection of dextrose is to be evaluated. If this vertical approach is accurate it will allow for

1. More comfort with injection.

2. Less need for radiographic exposure, in that needle placement is quicker and easier, allowing for less fluoroscopy time.

3. Potential for blind injection of solutions that do not include anesthetic or particulate matter, increasing potential applicability of caudal dextrose injection to situations in which fluoroscopy is not available.


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


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