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

Dr. Yoram Shir

Status and phase

Completed

Phase 2

Conditions

Low Back Pain

Treatments

Drug: Saline

Drug: Bupivacaine

Study type

Interventional

Funder types

Other

Identifiers

NCT01520415

AEPMU-01

Details and patient eligibility

About

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.

Enrollment

40 patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

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