Clinical Trial Examining the Short and Long-term Effect of Myofascial Trigger Points Injection in Low Back Pain Patients

• Status: Completed
• Trial end date: 2013-07-01
• Target enrollment: 0
• Participant gender: All

Summary

The objective of this study is to examine the short and long-term effect of myofascial trigger point injections with either a local anesthetic or saline in patients with chronic low back pain presenting with myofasical pain syndrome.

• Phase: Phase 2
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Dr. Yoram Shir
• Treatments: Bupivacaine; Lidocaine

Criteria

Inclusion Criteria:

• CLBP of non-malignant origin, with or without accompanying leg pain, including patients with history of previous back surgery or trauma

• MPS as evident by at least one active MTP, located medial or lateral to the posterior iliac crest involving the gluteus maximus or medius, quadratus lumborum and erector spinae muscles

• While not precluding the participation in the study, MTP in other areas will not make patients eligible

• Pain lasting for at least six months

Exclusion Criteria:

• Any current motor weakness, but not sensory loss or abnormal reflexes in the lower limbs

• Any injection or nerve block in the low back in the last 6 months

• Local or systemic infection

• Bleeding disorder or the use of anticoagulation medications

• Known allergy to local anesthetics

• Poor understanding of written and spoken English or French