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Completed

NCT Number: NCT05565053

Bilateral Erector Spinae Plane Block for Myofascial Pain Syndrome

The investigators aimed to evaluate the effectiveness of bilateral erector spina plane block application in myofascial pain syndrome.

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Key information

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Istanbul University Istanbul Faculty of Medicine

Istanbul, 34104, Turkey (Türkiye)

About this study

The investigators aimed to evaluate the effectiveness of bilateral erector spina plane block application in myofascial pain syndrome by comparing trigger point injection. Group 1 received erector spinae plane block, and group 2 received trigger point injection both administered in two weekly sessions. Before the application, one week after application and one month after application the investigators aimed to compare pressure pain threshold with algometer, visual analog scale score, neck disability index score, for the two groups. Each group has 30 participants, total 60 participants included this study. The investigators planned to show that bilateral erector spinae plane block can be used as an effective and safe method in the treatment of myofascial pain syndrome, since it is easier to apply than other invasive procedures used in the treatment and has a very low complication profile.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Get a myofascial pain syndrome diagnosis
  • No invasive procedure for myofascial pain syndrome in the last 1 month
  • Signing the informed consent form

Exclusion criteria

  • Cervical disc herniation
  • Neck/shoulder, thoracal trauma or operation history
  • Malignancy
  • Kyphoscoliosis
  • Inflammatory diseases (Rheumatoid arthritis, ankylosing spondylitis...)
  • Congenital vertebral anomalies
  • Pregnancy
  • Mental, psychogenic disorder
  • Hematological diseases that cause bleeding and coagulation disorders
  • Use of antiplatelet, anticoagulant and drugs that cause bleeding tendency
  • Severe systemic infection such as sepsis and local infection at the intervention site
  • Having an allergy to any of the drugs to be used

Treatment and study plan

Bilateral thoracal erector spinae plane block

Procedure

Bilateral upper thoracal erector spinae plane block with ultrasound

Trapezius muscle trigger point injection

Procedure

Trapezius muscle trigger point injection

Primary outcomes

  1. Comparison of the effectiveness of the two interventions (trigger point injection versus Erector spinae plane block) assessed by Visual analog scale (VAS):

    Time frame: Baseline

    The classic interventional treatment of myofascial back pain is trigger point injection. In addition, erector spina plan block has been applied in recent years as an interventional procedure that provides analgesia in the same region and is thought to have a long duration of action. Visual analog scale (VAS): Using a ruler, the score is determined by measuring the distance (mm) on the 10-cm line between the "no pain" anchor and the patient's mark, providing a range of scores from 0-100. A higher score indicates greater pain intensity.

  2. Comparison of the effectiveness of the two interventions (trigger point injection versus Erector spinae plane block) assessed by Visual analog scale (VAS):

    Time frame: 1. month

    The classic interventional treatment of myofascial back pain is trigger point injection. In addition, erector spina plan block has been applied in recent years as an interventional procedure that provides analgesia in the same region and is thought to have a long duration of action. Visual analog scale (VAS): Using a ruler, the score is determined by measuring the distance (mm) on the 10-cm line between the "no pain" anchor and the patient's mark, providing a range of scores from 0-100. A higher score indicates greater pain intensity.

Sponsors and collaborators

Lead sponsor

Istanbul University

Other

Registry information

Important dates

Study start
2021
Primary completion
2025
Study completion
2026
First posted
Oct 4, 2022
Registry last updated
May 15, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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