Norwegian University 2012.

Trial name or title	The effect of RF treatment on patients with facet joint pain in cervical‐ and lumbar‐columna
Methods	Double‐blind, randomised, controlled trial
Participants	Patients 20 to 75 years of age with 1‐sided neck pain of at least 1 year's duration
Interventions	Experimental intervention: RF neurotomy of medial branch at 80°C needle temperature for 70 seconds, after diagnostic blocks Sham comparator: RF neurotomy of medial branch at 37°C needle temperature for 70 seconds, after diagnostic blocks
Outcomes	Reduction in self reported pain intensity
Starting date	August 2004
Contact information	ClinicalTrials.gov identifier: NCT00476684
Notes