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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01547364
Other study ID # SweetCaudal
Secondary ID
Status Completed
Phase Phase 2
First received
Last updated
Start date February 2012
Est. completion date November 2015

Study information

Verified date April 2018
Source Smigel, Liza, M.D.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

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.


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.


Recruitment information / eligibility

Status Completed
Enrollment 35
Est. completion date November 2015
Est. primary completion date October 2013
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria:

- More than 3 months of back pain

- Some pain below the iliac crest (Either in buttock or in leg)

- At least one conservative (non-injection) modality of treatment to include physical therapy, chiropractic/osteopathic manipulation, exercises, drug therapy, and relative rest.

- Opiate use absent or controlled

- Psychiatric history absent or controlled

- Current medical stability

- Absent steroid use history or no allergy or intolerance to steroid use

Exclusion Criteria:

- Unstable neurologic function

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Saline
Injection of 10 ml of normal saline into the caudal epidural space
Dextrose
Injection of 10 ml or dextrose 5% in water into the caudal epidural space

Locations

Country Name City State
United States Liza Smigel, M.D. Hilo Hawaii

Sponsors (1)

Lead Sponsor Collaborator
Smigel, Liza, M.D.

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change from Baseline to 20 minutes in Numerical Rating Scale(NRS) for Pain Caudal epidural injection of D5W will result in more analgesia at 20 minutes than epidural injection of normal saline. 20 minutes
Secondary Change from Baseline to 1 year in NRS for Pain Those with consistent analgesia after caudal epidural dextrose will note cumulative benefit on pain and disability that will exceed 1.5 times the MCID for pain and disability in low back pain. (NRS change of 3 or more) 1 year
Secondary Percentage Success of Epidurogram Pattern Production with a Blind Needle Placement Using a Vertical Caudal Epidural Method Blind use of the Rosen technique for vertical short needle caudal epidural injection will produce an epidurogram pattern 80% of the time upon first needle placement. Dye instillation immediately after needle placement with observation of dye pattern fluoroscopically.
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