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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03511053
Other study ID # 17-054
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date December 19, 2017
Est. completion date July 26, 2018

Study information

Verified date May 2021
Source Dallas VA Medical Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this research is to find out if there are inflammatory biomarkers (also known as biological markers) in epidural space that can predict response to an epidural steroid injection. This study will also be evaluating whether the results of an EMG study (also known as electromyography) can predict the response to an epidural steroid injection.


Description:

Lumbar spinal stenosis is a common cause of back pain and mobility impairment in older adults. It is often a multi-factorial condition resulting from degenerative changes in the spine, and may result in severe disability, with symptoms of lower back pain and/or pain, numbness and weakness of the lower extremities that are often exacerbated by walking and/or standing. Since lumbar spinal stenosis mostly stems from slowly progressive degenerative changes, symptoms often worsen over time, leading to poor health outcomes and high rates of healthcare utilization. Epidural steroid injection (ESI) with anti-inflammatory compounds such as glucocorticoids is commonly provided to alleviate pain from neurogenic claudication in spinal stenosis: it is estimated that 25% of ESI's performed in the Medicare population and 74% of ESIs in the Veterans Affairs system are for spinal stenosis. However, one recent, large, multi-center, randomized controlled trial (RCT) demonstrated no significant benefit of epidural corticosteroids in alleviating symptoms of spinal stenosis. In this study, Friedly et al. conducted a double-blind, RCT comparing patient outcomes with epidural injection of glucocorticoid plus anesthetic (lidocaine) vs. anesthetic (lidocaine) only. No significant differences were observed at 6 weeks between the two groups of patients with respect to pain-related functional disability or pain intensity. However, a subset of patients who received glucocorticoids plus lidocaine reported significantly higher treatment satisfaction and higher reductions in depressive symptoms. This suggests that ESIs may be effective for a subset of patients with spinal stenosis. Another treatment modality for spinal stenosis is decompression surgery, which may be effective for some patients but is associated with higher risk especially in the elderly and patients with multiple medical comorbidities. In Davis et al.'s observational study, in a two-year period with 68 patients, 32% of patients opted for surgery, 44% of patients were satisfied with non-surgical management and were discharged after 2 years, but the remaining 24% with non-surgical management (some of whom chose to decline surgery) did not seem to be satisfied with treatment. This study indicates the potential key role that non-surgical management options such as ESIs may play, in some patients. However, appropriate patient selection using indicators or biomarkers for patients who may most likely benefit from ESIs would be extremely beneficial. In studying biomarkers that may predict patients' response to ESIs, Scuderi et al. found interferon-gamma (IFG) levels to have high predictive value for patients with lumbar nerve root irritation, while Golish et al. and Smith et al. found fibronectin-aggrecan complex (FAC) levels to have high predictive value for patients with herniated nucleus pulposus (HNP). In addition, many other factors (such as lower age and higher education) have been found to predict better outcome for radiculopathy. In particular, needle electromyography (EMG) has been shown in several studies to be a strong predictor for response to lumbar epidural steroid injection (LESI) and transforaminal epidural steroid injection (TESI) for patients with lumbosacral radiculopathy (LSR). Inspired by these studies, this study aims to explore if certain biomarkers such as IFG & FAC along with EMG findings can help predict which patients with spinal stenosis and neurogenic claudication will optimally benefit from ESIs.


Recruitment information / eligibility

Status Completed
Enrollment 11
Est. completion date July 26, 2018
Est. primary completion date July 26, 2018
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Mild-severe lumbar central canal stenosis identified by MRI or CT scan - Symptoms: - Lower extremety symptoms consistent with neurogenic claudication - Pain, weakness and/or numbness triggered by standing or walking, and relieved by sitting - Must be able to read English and complete assessment instruments Exclusion Criteria: - Cognitive impairment that renders the patient unable to give informed consent or provide accurate data - Clinical co-morbidities that could interfere with the collection of data concerning pain and function - Severe vascular, pulmonary, or coronary artery disease that limits ambulation including recent myocardial infarction (within 6 months) - Spinal instability requiring surgical fusion - Severe osteoporosis as defined by multiple compression fractures or a fracture at the same level as the stenosis - Metastatic cancer - Excessive alcohol consumption or evidence of non-prescribed or illegal drug use - Pregnancy - Concordant pain with internal rotation of the hip (or known hip joint pathology) - Active local or systemic infection - Abnormal coagulation - Allergy to local anesthetic, steroid, or contrast - Previous lumbar spine surgery - Prisoners - Epidural steroid injection within previous 6 months - Rheumatological disorders such as rheumatoid arthritis, psoriatic arthritis, systemic lupus erythematosis

Study Design


Intervention

Procedure:
Epidural Steroid Injection with Lavage
All participants will receive a saline lavage prior to the epidural steroid injection.

Locations

Country Name City State
United States Dallas VA Medical Center Dallas Texas

Sponsors (2)

Lead Sponsor Collaborator
Dallas VA Medical Center University of Texas Southwestern Medical Center

Country where clinical trial is conducted

United States, 

References & Publications (15)

Annaswamy TM, Bierner SM, Chouteau W, Elliott AC. Needle electromyography predicts outcome after lumbar epidural steroid injection. Muscle Nerve. 2012 Mar;45(3):346-55. doi: 10.1002/mus.22320. — View Citation

Davis N, Hourigan P, Clarke A. Transforaminal epidural steroid injection in lumbar spinal stenosis: an observational study with two-year follow-up. Br J Neurosurg. 2017 Apr;31(2):205-208. doi: 10.1080/02688697.2016.1206188. Epub 2016 Aug 22. — View Citation

Fish DE, Shirazi EP, Pham Q. The use of electromyography to predict functional outcome following transforaminal epidural spinal injections for lumbar radiculopathy. J Pain. 2008 Jan;9(1):64-70. Epub 2007 Nov 5. — View Citation

Friedly J, Chan L, Deyo R. Increases in lumbosacral injections in the Medicare population: 1994 to 2001. Spine (Phila Pa 1976). 2007 Jul 15;32(16):1754-60. — View Citation

Friedly J, Nishio I, Bishop MJ, Maynard C. The relationship between repeated epidural steroid injections and subsequent opioid use and lumbar surgery. Arch Phys Med Rehabil. 2008 Jun;89(6):1011-5. doi: 10.1016/j.apmr.2007.10.037. — View Citation

Friedly JL, Bresnahan BW, Comstock B, Turner JA, Deyo RA, Sullivan SD, Heagerty P, Bauer Z, Nedeljkovic SS, Avins AL, Nerenz D, Jarvik JG. Study protocol- Lumbar Epidural steroid injections for Spinal Stenosis (LESS): a double-blind randomized controlled trial of epidural steroid injections for lumbar spinal stenosis among older adults. BMC Musculoskelet Disord. 2012 Mar 29;13:48. doi: 10.1186/1471-2474-13-48. — View Citation

Friedly JL, Comstock BA, Turner JA, Heagerty PJ, Deyo RA, Sullivan SD, Bauer Z, Bresnahan BW, Avins AL, Nedeljkovic SS, Nerenz DR, Standaert C, Kessler L, Akuthota V, Annaswamy T, Chen A, Diehn F, Firtch W, Gerges FJ, Gilligan C, Goldberg H, Kennedy DJ, Mandel S, Tyburski M, Sanders W, Sibell D, Smuck M, Wasan A, Won L, Jarvik JG. A randomized trial of epidural glucocorticoid injections for spinal stenosis. N Engl J Med. 2014 Jul 3;371(1):11-21. doi: 10.1056/NEJMoa1313265. Erratum in: N Engl J Med. 2014 Jul 24;371(4):390. — View Citation

Golish SR, Hanna LS, Bowser RP, Montesano PX, Carragee EJ, Scuderi GJ. Outcome of lumbar epidural steroid injection is predicted by assay of a complex of fibronectin and aggrecan from epidural lavage. Spine (Phila Pa 1976). 2011 Aug 15;36(18):1464-9. doi: 10.1097/BRS.0b013e3181f40e88. — View Citation

Harrast MA. Epidural steroid injections for lumbar spinal stenosis. Curr Rev Musculoskelet Med. 2008 Mar;1(1):32-8. doi: 10.1007/s12178-007-9003-2. — View Citation

Iversen T, Solberg TK, Wilsgaard T, Waterloo K, Brox JI, Ingebrigtsen T. Outcome prediction in chronic unilateral lumbar radiculopathy: prospective cohort study. BMC Musculoskelet Disord. 2015 Feb 7;16:17. doi: 10.1186/s12891-015-0474-9. — View Citation

Lin CK, Borresen A, Kroll M, Annaswamy TM. Predicting Response to Epidural Steroid Injections for Lumbar Spinal Stenosis with Biomarkers and Electromyography. PM R. 2020 Jul;12(7):663-670. doi: 10.1002/pmrj.12272. Epub 2019 Dec 28. — View Citation

McCormick Z, Cushman D, Caldwell M, Marshall B, Ghannad L, Eng C, Patel J, Makovitch S, Chu SK, Babu AN, Walega DR, Marciniak C, Press J, Kennedy DJ, Plastaras C. Does Electrodiagnostic Confirmation of Radiculopathy Predict Pain Reduction after Transforaminal Epidural Steroid Injection? A Multicenter Study. J Nat Sci. 2015 Aug;1(8). pii: e140. — View Citation

Scuderi GJ, Cuellar JM, Cuellar VG, Yeomans DC, Carragee EJ, Angst MS. Epidural interferon gamma-immunoreactivity: a biomarker for lumbar nerve root irritation. Spine (Phila Pa 1976). 2009 Oct 1;34(21):2311-7. doi: 10.1097/BRS.0b013e3181af06b6. — View Citation

Smith MW, Ith A, Carragee EJ, Cheng I, Alamin TF, Golish SR, Mitsunaga K, Scuderi GJ, Smuck M. Does the presence of the fibronectin-aggrecan complex predict outcomes from lumbar discectomy for disc herniation? Spine J. 2019 Feb;19(2):e28-e33. doi: 10.1016/j.spinee.2013.06.064. Epub 2013 Nov 13. — View Citation

Suri P, Pashova H, Heagerty PJ, Jarvik JG, Turner JA, Bauer Z, Annaswamy TM, Nedeljkovic SS, Wasan AD, Friedly JL. Authors' Reply to Manchikanti. Spine (Phila Pa 1976). 2016 Feb;41(3):E183-4. doi: 10.1097/BRS.0000000000001142. — View Citation

* Note: There are 15 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Visual Analogue Scale Number rating of back/leg pain from 0 to 10, 0 being no pain/discomfort, 10 being extreme pain/discomfort Change between baseline, 1 month and 2 months post injection
Primary Swiss Spinal Stenosis Questionnaire Measures how pain due to spinal stenosis is effected the patient based on quality of life/pain questions and satisfaction questions for months 1 and 2 (no scales are used) SSSQ scores are reported in percentages 0-100%, higher scores indicate worse outcomes. Change between baseline, 1 month and 2 months post injection
Primary Pain Disability Questionnaire Measures how pain is affecting the patients lifestyle on a scale from 0 to 10 as defined by each question. The questionnaire contains 15 questions that each range on a scale form 0 to 10. The total score of the questionnaire ranges from 0 to 150. Lower values represent a better outcome. Change between baseline, 1 month and 2 months post injection
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