top of page


Radiofrequency Denervation for Low Back Pain (RADICAL)


Musculoskeletal and pain

Open to:



Radiofrequency “denervation” (also known as radiofrequency ablation or radiofrequency lesioning) is a procedure offered to people with moderate to severe pain that is coming from the small joints between the bones in the lower back (facet joints). Denervation is used widely in the NHS,but it is not known if this procedure definitely reduces low back pain or is good value for money. The study aims to find out if denervation reduces low back pain and is good value for money.

Inclusion criteria

Adults with chronic moderate to severe Low Back Pain (>3 months duration, pain NRS ≥5); primary pain complaint is Low Back Pain; referred to a pain or spinal clinic; positive response to a single diagnostic Medial Branch Block.

Exclusion criteria

Pregnancy; unwilling or unable to tolerate procedure; severe depression; previous Radiofrequency Denervation; pacemaker or implantable cardioverter defibrillator.

What is involved?

Completing 6 online or paper questionnaires over 24 months.
After the procedure receiving 5 follow up phone calls, one every 2 weeks, over a period of 10 weeks.

Interested in taking part?

Email the team to find out more:

bottom of page