High-voltage Pulsed Radiofrequency on Gasserian Ganglion to Treat Patients With Primary Trigeminal Neuralgia

October 24, 2021 updated by: Fang Luo, Beijing Tiantan Hospital

Effectiveness and Safety of High-voltage Pulsed Radiofrequency on Gasserian Ganglion to Treat Patients With Primary Trigeminal Neuralgia

The study is designed to compare the effectiveness and safety of high-voltage Pulsed radiofrequency and nerve block for the treatment of primary Trigeminal Neuralgia patients with ineffective conservative treatment and explore better non-surgical treatment methods for Trigeminal Neuralgia patients.

Study Overview

Detailed Description

Trigeminal neuralgia (TN) is a paroxysmal, lightning-like, severe pain in the facial area innervated by trigeminal nerve. Patients who have failed to achieve benefits from drug treatment could try to undergo nerve block, a traditional conservative treatment. Pulsed radiofrequency (PRF) is a noninvasive pain intervention technique for the treatment of TN. However, its treatment effectiveness has rarely been reported and remains controversial among scholars. A recent single-center preliminary clinical study showed that high-voltage PRF had significant effectiveness in the treatment of TN. However, whether high-voltage PRF treatment can become an optional treatment for TN patients who have failed to achieve benefits from drug treatment still needs to be confirmed with standardized clinical studies by utilizing conservative nerve block treatment as a control. The study is designed to compare the effectiveness and safety of high-voltage PRF and nerve block for the treatment of primary TN patients with ineffective conservative treatment and explore better non-surgical treatment methods for TN patients.

Study Type

Interventional

Enrollment (Actual)

134

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Beijing
      • Beijing, Beijing, China, 100050
        • Beijing Friendship Hospital
      • Beijing, Beijing, China, 100050
        • Beijing Tiantan Hospital
      • Beijing, Beijing, China, 100015
        • Beijing Ditan Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Diagnosis of Primary Trigeminal Neuralgia meets the criteria of the International Classification of Headache Disorders.
  • 18-75 years old.
  • Response to drug treatment poorly or unable to tolerate the side effects of drugs.
  • A BNI pain intensity scale score of IV-V.
  • Supposed to undergo neurosurgical intervention according to Trigeminal Neuralgia treatment guidelines.
  • Agree to participate in this trial and have signed the informed consent.

Exclusion Criteria:

  • Abnormal routine blood, liver or kidney functions, abnormal blood biochemistry test, or coagulation disorders.
  • Abnormal electrocardiogram or chest X-ray results.
  • Severe cardiopulmonary dysfunction.
  • Infection at the puncture site.
  • History of mental illness, or history of narcotic drug abuse.
  • Allergy to local anesthetic drugs or steroids.
  • Cannot cooperate with the treatment.
  • History of invasive treatments, such as radiofrequency thermocoagulation, chemical ablation, balloon compression surgery, gamma knife treatment, peripheral denervation or microvascular decompression.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

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: PRF Group
This group will undergo 42°C high-voltage pulsed radiofrequency treatment.
The manual PRF mode of the pain treatment generator will be turned on, the upper temperature limit will be set at 42°C, the PRF output voltage will be gradually increased to the highest voltage the patient can tolerate, and the patient will be treated for 360 s. After the treatment, 1.4 ml of a mixture of 0.4 mL of normal saline and 1 mL of 1% plain lidocaine will be injected through the needle of the cannula, and before the needle being removed, 0.5 mL of normal saline will be injected.
Active Comparator: Nerve Block Group
This group will undergo nerve block treatment with steroid and local anesthesia.
The radiofrequency generator will be set at the sensory stimulating mode, and the lowest frequency of 0.2 V will be used for 360s-sham PRF treatment, after which 1.4 mL of a mixture of 2 mg of dexamethasone sodium phosphate and 1 mL of 1% plain lidocaine will be slowly injected through the radiofrequency treatment cannula needle. Before the needle being removed, 0.5 mL of normal saline will be injected.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Effective rate of Primary Trigeminal Neuralgia treatment
Time Frame: 1 year after operation
The Barrow Neurological Institute (BNI) pain intensity score will be used to assess pain degree. Pain relief degree will be evaluated as "excellent" (BNI pain score I-II), "good" (BNI pain score III), and "poor" (BNI pain score IV-V). The effective rate=excellent and good pain relief (BNI I - III)/total number of cases * 100%.
1 year after operation

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Patient satisfaction
Time Frame: 1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months, 1 year and 2 years after operation
Patient satisfaction score (PSS) score will be used to evaluate patient satisfaction: 0 point indicates unsatisfactory, while 10 points indicates very satisfactory.
1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months, 1 year and 2 years after operation
Dosage of adjuvant antiepileptic drugs
Time Frame: 1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months, 1 year and 2 years after operation
1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months, 1 year and 2 years after operation
Data regarding patients with a BNI of IV or V who switch to other treatments
Time Frame: 1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months, 1 year and 2 years after operation
1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months, 1 year and 2 years after operation
Adverse events
Time Frame: 1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months, 1 year and 2 years after opeartion
Data regarding intraoperative and postoperative adverse events.
1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months, 1 year and 2 years after opeartion
The postoperative response rate
Time Frame: 1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months and 2 years after opeartion
The Barrow Neurological Institute (BNI) pain intensity score will be used to assess pain degree. Pain relief degree will be evaluated as "excellent" (BNI pain score I-II), "good" (BNI pain score III), and "poor" (BNI pain score IV-V). The effective rate=excellent and good pain relief (BNI I - III)/total number of cases * 100%.
1 day, 1 week, 2 weeks, 1 month, 3 months, 6 months and 2 years after opeartion

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 28, 2017

Primary Completion (Actual)

September 3, 2020

Study Completion (Actual)

September 3, 2021

Study Registration Dates

First Submitted

April 22, 2017

First Submitted That Met QC Criteria

April 24, 2017

First Posted (Actual)

April 27, 2017

Study Record Updates

Last Update Posted (Actual)

October 26, 2021

Last Update Submitted That Met QC Criteria

October 24, 2021

Last Verified

October 1, 2021

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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