- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02073292
Cooled Radiofrequency Ablation vs. Thermal Radiofrequency Ablation
A Randomized Controlled Trial Comparing Thermal and Cooled Radiofrequency Ablation Techniques of Thoracic Facets' Medial Branches to Manage Thoracic Pain
Nerves in your body transmit signals to and from your brain and the cells in your body. In the event of an injury or disease, these nerves transmit pain. Sometimes, when an injury doesn't heal, chronic pain can develop. One way to treat chronic pain is to interrupt these pain signals. One method of doing this is to use Radio frequency ablation (RFA).
Radio frequency ablation (RFA) is a medical procedure in which heat is generated from high frequency electrical current in order to lesion (burn) nervous tissue. Radiofrequency ablation is used to treat many conditions in several areas of the body including cardiac (heart) as well as chronic pain. Probes (needles) are inserted into the body to a specific location and the electrical current is passed through these needles. This electrical current creates heat in your body and forms small lesions or burns in a specific place. Doctors will use tools, such as fluoroscopy (x-rays) and injections to locate the specific nerves that are transmitting pain and then use the electrical current to destroy those nerves.
Equipment used include generator, built in nerve stimulator, different needles and probes and water cooling system in case of the cooled RFA.
There are several types of probes or needles that are used to transmit energy and create lesions. This study is going to compare 2 types - standard radiofrequency and 'cooled' radiofrequency. The only difference is that the 'cooled' radiofrequency probes have water running through the probe tip, which keeps the tip cool and allows a larger lesion to be made. Since the doctor can't actually see the nerve he is trying to target, the larger lesion should theoretically improve his chances of hitting it. The 'cooling' of the water also allows the temperatures to be lower than what is needed for standard RF. In this study, the investigators would like to compare the differences between standard RFA (90°C) and "cooled" RFA (60°C) ablation techniques and determine if one is better for pain relief.
All of the probes that are used to perform radiofrequency ablation are FDA approved and are commonly used to treat patients with chronic back pain.
Participating in the study involves being randomly assigned to received either standard or cooled RFA. The procedure for both standard and cooled RFA is basically the same. The only difference is with standard RFA, the doctor may perform up to 2 lesions, instead of 1 if they are using cooled RFA.
Both study groups will receive local anesthetic prior to procedure. The treating doctor will use a machine called a C-Arm to take x-rays. These x-rays will guide the doctor to be sure the probes are in the right place. Once the probe placement is confirmed, the doctor will turn on the generator and create the lesion. This process will be repeated depending on how many lesions need to be created.
After the procedure there will be follow up visits at 1, 3 and 6 months. Level of pain, health and recovery information will be collected.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Nagy Mekhail
- Phone Number: 1-216 445-8329
- Email: mekhain@ccf.org
Study Locations
-
-
Ohio
-
Cleveland, Ohio, United States, 44195
- Cleveland Clinic
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18 or older
- Chronic thoracic spine mediated back pain of 3 months duration or longer
- Absence of focal neurologic signs or symptoms related to thoracic radiculopathy
- Failure to respond to conservative measures in the form of oral medication and physical therapy
- More than 50% reduction in their pain less than 2 months duration following a series of 2 diagnostic thoracic medial branch blocks of the affected joints using 1 ml of 1% lidocaine in the first procedure and bupivacaine 0.5 % in the second time
Exclusion Criteria:
- Untreated coagulopathy
- Concomitant medical (e.g. uncontrolled cardiac condition) or psychiatric illness (e.g., untreated depression) likely to endanger the patient or compromise treatment outcomes
- Pregnancy
- Malignancy
- Systemic or local infection
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: c-RFA
cooled radiofrequency ablation
|
|
Active Comparator: t-RFA
thermal radiofrequency ablation
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Pain Score on the visual analogue scale
Time Frame: Change from baseline in pain at 6 months
|
Change from baseline in pain at 6 months
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 13-1073
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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