Ultrasound-Guided Proximal Superior Cluneal Nerve Block for Superior Cluneal Nerve Entrapment

Recruiting now

Conditions studied: Superior Cluneal Nerve Entrapment, Chronic Low Back Pain

In brief

Superior cluneal nerve entrapment (SCNE) is an underrecognized cause of chronic low back pain and gluteal pain that may mimic lumbar spine disorders. Ultrasound-guided proximal superior cluneal nerve block has increasingly been used in routine clinical practice .Diagnostic superior cluneal nerve block is commonly used to confirm the diagnosis, whereas ultrasound-guided proximal superior cluneal nerve block has emerged as a therapeutic option. This prospective observational cohort study aims to evaluate the clinical outcomes of ultrasound-guided proximal superior cluneal nerve block in patients with clinically diagnosed superior cluneal nerve entrapment who undergo the procedure as part of routine clinical care. Pain intensity, disability, and neuropathic pain characteristics will be assessed at baseline and during follow-up to evaluate treatment outcomes.

Key facts

Study ID

NCT07712406

Run by

Gaziosmanpasa Research and Education Hospital

People needed

40

Starts

2026-05-15

Expected to finish

2026-12-01

Last updated by the study team

2026-07-28

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age 18-75 years.
• Chronic low back and/or gluteal pain persisting for at least 3 months.
• Localized pain and/or tenderness over the posterior iliac crest.
• At least 50% reduction in pain intensity following diagnostic superior cluneal nerve block.
• Failure of conservative treatment.
• Ability to provide written informed consent.

You may not qualify if…

• Previous superior cluneal nerve surgery.
• Active local or systemic infection.
• Bleeding disorders or contraindications to the procedure.
• Allergy to study medications.
• Pregnancy.
• Severe cognitive impairment or inability to complete study assessments.
• Additional interventional pain procedures involving the affected region during follow-up.

Where it is running

• Gaziosmanpasa Research and Education Hospital — Gaziosmanpaşa, Istanbul, Turkey (Türkiye) (enrolling)

Full record on ClinicalTrials.gov

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