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Trial record 76 of 337 for:    Charcot Marie Tooth

Efficacy of Pulsed Radiofrequency of the Median Nerve Under Ultrasound Guidance in Patients With Carpal Tunnel Syndrome

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ClinicalTrials.gov Identifier: NCT02217293
Recruitment Status : Completed
First Posted : August 15, 2014
Last Update Posted : August 15, 2014
Sponsor:
Information provided by (Responsible Party):
Yung-Tsan Wu, Tri-Service General Hospital

Brief Summary:

Carpal tunnel syndrome (CTS) is the most common peripheral entrapment neuropathy. Although many conservative forms of management including the use of wrist splint, steroid injections and therapeutic ultrasound are applicable, their effectiveness is typically insignificant or short-lived.

Pulsed radiofrequency (PRF) treatment, a relative novel pain intervention at recent decade, was found to be able to alleviate pain for certain kinds of chronic pain conditions without damaging nerve. However, the application of PRF in CTS is scarce.

The purpose of this study was to assess the analgesic effect and prognosis of ultrasound-guided PRF in the median nerve in patients with CTS.


Condition or disease Intervention/treatment Phase
Carpal Tunnel Syndrome Device: Pulsed Radiofrequency Not Applicable

Detailed Description:

Background and Purpose:

Carpal tunnel syndrome (CTS) is the most common peripheral entrapment neuropathy. Although many conservative forms of management including the use of wrist splint, steroid injections and therapeutic ultrasound are applicable, their effectiveness is typically insignificant or short-lived.

Pulsed radiofrequency (PRF) treatment, a relative novel pain intervention at recent decade, was found to be able to alleviate pain for certain kinds of chronic pain conditions without damaging nerve. However, the application of PRF in CTS is scarce. The purpose of this study was to assess the analgesic effect and prognosis of ultrasound-guided PRF in the median nerve in patients with CTS.

Study design Duration: 2012/1/1 to 2012/12/31. Subjects: Outpatient subjects who had typical symptoms and signs of CTS, such as positive Tinel's sign or Phalen's test and numbness/tingling in at least two of the first, second, and third digits and were all confirmed by electrophysiological study, were considered and enrolled. The patients who had conditions mimicking CTS, such as cervical radiculopathy, polyneuropathy, brachial plexopathy, thoracic outlet syndrome or who had previous wrist surgery or steroid injection for CTS, were all excluded. Patient number: 40. Methods: The enrolled patients were randomized into two groups as the intervention group, who received one dose of PRF and the control group, who did not received RPF treatment by using drawing sealed envelope. To provide fundamental medical care of CTS, a wrist night splint was prescribed for each subject in both groups. Patients were ordered to wear the splint while resting at night and at least 8 hours per day during the period of study. All procedures were conducted by single physician. All the measurements were performed by single physician who was blinded for the randomization, and the evaluation time was performed before intervention as well as the 1st, 4th, 8th and 12th weeks after treatment. All patients were instructed to keep away from getting any other treatments for their pain or discomfort resulting from CTS including analgesic agents, injection or acupuncture etc. during the period of follow-up. They were asked to notify us if they had taken these therapies.

Outcome measurements:

  1. Visual analog scale (VAS): The severity of digital pain during any activity most time per day was marked down in the pain scale. Each patient reported the VAS score every day at the same time after the initial treatment until 2 consecutive days reaching the definition of onset time which was defined as the day the VAS score had declined by 40% or more.
  2. Boston Carpal Tunnel Syndrome Questionnaire (BCTQ).
  3. Cross-sectional area of the median nerve: It was measured at the proximal inlet of the carpal tunnel (level with the pisiform bone) by the same physician.
  4. Sensory nerve conduction velocity (SNCV) of median nerve.
  5. Finger pinch. Data analysis: Demographic data were analyzed by the Mann-Whitney U test for continuous data and X2 test for categorical data. Wilcoxon's signed rank test was used to compare the outcome measures within each group of patients. The outcomes at each follow-up period were compared with the baseline values and differences between both groups were investigated using the Mann-Whitney U test. Comparability of change of VAS score and finger pinch measurements among the two groups was assessed using Mann-Whitney U test. Statistical significance was set at p < 0.05.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 44 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single (Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Efficacy of Pulsed Radiofrequency of the Median Nerve Under Ultrasound Guidance in Patients With Carpal Tunnel Syndrome
Study Start Date : November 2012
Actual Primary Completion Date : September 2013
Actual Study Completion Date : September 2013


Arm Intervention/treatment
Active Comparator: Pulsed Radiofrequency
Pulsed radiofrequency (PRF) treatment, a relative novel pain intervention at recent decade, was found to be able to alleviate pain by delivering an electrical field and heat bursts at a temperature less than 42°C to neural tissue in the absence of neural injury
Device: Pulsed Radiofrequency
Pulsed radiofrequency (PRF) treatment, a relative novel pain intervention at recent decade, was found to be able to alleviate pain by delivering an electrical field and heat bursts at a temperature less than 42°C to neural tissue in the absence of neural injury. The ultrasound-guided PRF was performed before night splint in intervention group.
Other Name: Neurotherm NT1000, Neurotherm Inc., USA

No Intervention: Night splint
The wrist night splint was firmly fixed in a neutral position to immobilize the affected wrist. Patients were ordered to wear the splint while resting at night and at least 8 hours per day during the period of study



Primary Outcome Measures :
  1. Change from baseline of pain on1st, 4th, 8th and 12th weeks after treatment. [ Time Frame: Pre-treatment, 1st, 4th, 8th and 12th weeks after treatment. ]
    Using the Visual analog scale (VAS) to measure the pain scale before treatment and multiple time frame after treatment.


Secondary Outcome Measures :
  1. Change from baseline in severity of symptoms and functional status on 1st, 4th, 8th and 12th weeks after treatment. [ Time Frame: Pre-treatment, 1st, 4th, 8th and 12th weeks after treatment. ]
    Using the Boston Carpal Tunnel Syndrome Questionnaire to measure the symptoms and functional status before treatment and multiple time frame after treatment.

  2. Change from baseline in cross-sectional area of the median nerve on 1st, 4th, 8th and 12th weeks after treatment. [ Time Frame: Pre-treatment, 1st, 4th, 8th and 12th weeks after treatment. ]
    Using the musculoskeletal sonogram to measure the cross-sectional area of the median nerve.

  3. Change from baseline in conduction velocity, ampliture of median nerve on 1st, 4th, 8th and 12th weeks after treatment. [ Time Frame: Pre-treatment, 1st, 4th, 8th and 12th weeks after treatment. ]
    The antidromic sensory nerve conduction velocityof the median nerve was performed on all subjects according to the protocol reported by the American Academy of Neurology with SierraWave, Cadwell (USA). The median nerve was stimulated at the wrist between the palmar longus and flexor carpal radialis tendon at a distance of approximately 14 cm from the active electrode.

  4. Change from baseline in finger pinch on 1st, 4th, 8th and 12th weeks after treatment. [ Time Frame: Pre-treatment, 1st, 4th, 8th and 12th weeks after treatment. ]
    The finger pinch strength was measured using Jamar dynamometer (Fabrication Enterprises Inc., USA). The subject was seated with shoulder adducted and neutrally rotated with the elbow flexed at 90°. The forearm and wrist were positioned in a neutral position for the palmar pinch



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Ages Eligible for Study:   18 Years to 80 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Outpatient subjects who had typical symptoms and signs of CTS, such as positive Tinel's sign or Phalen's test and numbness/tingling in at least two of the first, second, and third digits and were all confirmed by electrophysiological study, were considered and enrolled.

Exclusion Criteria:

  • The patients who had conditions mimicking CTS, such as cervical radiculopathy, polyneuropathy, brachial plexopathy, thoracic outlet syndrome or who had previous wrist surgery or steroid injection for CTS

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02217293


Locations
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Taiwan
Tri-Service General Hospital, School of Medicine, National Defense Medical Center
Taipei, Neihu, Taiwan, 886
Sponsors and Collaborators
Tri-Service General Hospital
Investigators
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Principal Investigator: Liang-Cheng Chen, MD, MS Tri-Service General Hospital, School of Medicine, National Defense Medical Center

Publications of Results:
Other Publications:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
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Responsible Party: Yung-Tsan Wu, Attending Physician, Tri-Service General Hospital
ClinicalTrials.gov Identifier: NCT02217293     History of Changes
Other Study ID Numbers: TSGHIRB: 1-101-05-049
First Posted: August 15, 2014    Key Record Dates
Last Update Posted: August 15, 2014
Last Verified: August 2014
Keywords provided by Yung-Tsan Wu, Tri-Service General Hospital:
Pulsed radiofrequency
Ultrasound-guided
Carpal tunnel syndrome
Additional relevant MeSH terms:
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Nerve Compression Syndromes
Carpal Tunnel Syndrome
Syndrome
Disease
Pathologic Processes
Median Neuropathy
Mononeuropathies
Peripheral Nervous System Diseases
Neuromuscular Diseases
Nervous System Diseases
Cumulative Trauma Disorders
Sprains and Strains
Wounds and Injuries