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Clinical Trial Summary

This study compares the efficacy of medial branch block (MBB) vs. paravertebral deep intramuscular (PDI) injection for pain relief in chronic low back pain. Based on randomization in first intervention session, one side receives MBB and the other side takes PDI and in second session the pattern reverses.


Clinical Trial Description

Pain relief following medial branch block (MBB) might be due to facet joints desensitization and/or myofascial trigger points' desensitization. Patients will be randomized to two groups. The first group receives MBB in one side and paravertebral deep intramuscular (PDI) injection in the other side of the back. Next week the pattern of injection will be reversed so the side which had received MBB will take PDI injection and PDI side will take MBB. Second group takes the intervention in reverse order. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02521519
Study type Interventional
Source McGill University Health Center
Contact Yoram Shir
Email yoram.shir@muhc.mcgill.ca
Status Recruiting
Phase Phase 3
Start date August 2014
Completion date June 2020

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