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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT01743326
Other study ID # METC 12-2-031
Secondary ID
Status Recruiting
Phase N/A
First received November 21, 2012
Last updated January 15, 2015
Start date November 2012
Est. completion date June 2015

Study information

Verified date January 2015
Source Maastricht University Medical Center
Contact Maarten van Eerd, MD
Phone +31 43 3875606
Email mveerd@gmail.com
Is FDA regulated No
Health authority Netherlands: The Central Committee on Research Involving Human Subjects (CCMO)
Study type Interventional

Clinical Trial Summary

Rationale: the facet joints are an important pain generator in chronic neck pain. The beneficial effect of radio frequency treatment (RFD) of the cervical facet joints has been described in a Randomized Clinical Trial (RCT) in patients with Whiplash Associated Disorders. In patients with degenerative neck complaints a positive effect has been described in observational studies. Given this positive effect performing a RCT of RFD in this patient population is indicated.

Objective: to evaluate the effect of Radio Frequency treatment in patients with chronic degenerative neck pain.

Study design: prospective, randomized, double blinded clinical trial. Study population: patients older than 25 years, referred to the University Pain Center of Maastricht and the Pain Center of Amphia hospital Breda, with chronic axial neck pain.

Intervention: patients with at least 3 months of neck pain without radiation to the arm (only radiation beyond the shoulder) will be randomized in 2 groups. The first group (RFD + local anesthesia-group=intervention group) will receive RF treatment adjacent to the medial branch innervating the cervical facet joints after the application of bupivacaine 0.5 ml (0.25%). The second group (local anesthesia-group=control group) will only receive the application of 0.5 ml bupivacaine (0.25%) adjacent to the medial branch. The only difference between the two groups is the RF-denervation of the medial branches.

Main study parameters/endpoints: the primary research question is to evaluate the extent of pain reduction induced by RF treatment (RFD + local anesthesia-group=intervention group) compared with the local anesthesia-group(control group.

Following evaluation tools are used : Numeric Rating Scale (NRS), Patient global Impression of Change on a 7 point Likert Scale (PGIC), consumption of pain medication (MQS), Patient Specific Functional Scale, Quality of life scale (RAND 36), Hospital Anxiety and Depression scale (HADS), and Neck Disability Index (NDI, Dutch version).

Nature and extent of the burden and risks associated with participation, benefit and group relatedness: Patients in the RFD + Local Anesthesia-group and Local Anesthesia-group will undergo a physical examination before and 6 weeks after the intervention, by an independent third party, this will be repeated at 3 and 6 months if abnormalities are observed. At each of these time points the patients will receive questionnaires to fill out. A puncture of a blood vessel is possible, diagnosed by injection of contrast, for which repositioning of the needle is needed. Should accidental intravascular injection of local anesthetic occur, the dose used is low and reports show that intravascular injection of bupivacaine 2,5 mg does not pose clinical problems. The dura can be punctured; as a consequence contrast will flow in the cerebrospinal fluid. The procedure will be stopped and repeated after a few days. In theory a lesion of the nerve root is possible, but the needles are designed to avoid this, this complication has not been seen since more than 10 years. Up till now, a transient pain is occasionally described after the RF treatment. No hypesthesia or motor complications were reported. Since the risks of RF treatment are reported low and more related to needle placement there is no difference in risk and burden between the two treatment groups.


Recruitment information / eligibility

Status Recruiting
Enrollment 84
Est. completion date June 2015
Est. primary completion date June 2015
Accepts healthy volunteers No
Gender Both
Age group 25 Years to 90 Years
Eligibility Inclusion Criteria:

- Patient's age > 25 year

- Signs of degeneration on lateral X-ray

- Cervical facets to be treated between C2 and C7

- Pain for at least 3 months and conservative treatment medication (=paracetamol, Non-Steroidal anti-inflammatory Drugs (NSAID) and/or physical therapy) prior to referral to the pain clinic

- Neck pain on a Numeric Rating Scale = 5

Exclusion Criteria:

- Radiation beyond the shoulder/radicular pain

- Shoulder pain/pathology

- The complaints are directly related to traumatic event e.g. Whiplash (WAD)

- Patient is pregnant, or pregnancy is suspected

- Patient has a cardiac pacemaker, automatic defibrillator or any leads in the neck area

- Allergy to contrast media or drugs to be used in the procedure

- History of anterior fusion at the cervical level to be treated

- Patient is simultaneously participating in another device or drug study related to cervical pain.

- Patient has a spinal fracture, tumor or infection.

- Patient has a central cord lesion in the cervical spine

- Neurologic deficit

- Evidence of disc herniation (extruded, sequestered on MRI imaging)

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Procedure:
Radio Frequency Denervation

Local Anesthesia


Locations

Country Name City State
Netherlands Maastricht University Medical Center Maastricht Limburg

Sponsors (1)

Lead Sponsor Collaborator
Maastricht University Medical Center

Country where clinical trial is conducted

Netherlands, 

Outcome

Type Measure Description Time frame Safety issue
Primary Mean pain intensity measured on a 11-point Numeric Rating Scale (NRS). Baseline, 6 months No
Primary Patient Global Impression of Change according to a 7-point Likert scale (PGIC). Baseline, 6 months No
Primary Changes in use of pain medication according to the Medication Quantification Scale (MQS). Baseline, 6 months No
Primary Changes in the Neck Disability Index scale (NDI). Baseline, 6 months No
Secondary Changes in quality of life and differences between groups by means of RAND 36. Baseline, 6 months No
Secondary Improvement in functionality measured by the Patient Specific Functional Scale. Baseline, 6 months No
Secondary Change in physical/neurological examination parameters. Baseline, 6 months No
Secondary Change in employment status. Baseline, 6 months No
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