Analgesic Effect of Accelerated Repetitive Transcranial Magnetic Stimulation in Neuropathic Pain
Analgesic Effect of Accelerated Repetitive Transcranial Magnetic Stimulation in Pain Related to Peripheral Neuropathy
Sponsors |
Lead Sponsor: Jakub Antczak |
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Source | Jagiellonian University |
Brief Summary | Peripheral neuropathy is a frequent condition, commonly associated with pain. Repetitive Transcranial Magnetic Stimulation (rTMS) is a noninvasive method of modulation of brain plasticity and is regarded as one of alternative methods to alleviate pain associated with various kind of neuropathies. rTMS is usually performed once a day and the whole therapy of neuropathic pain lasts one week. In a number of recent clinical trials including patients with depression and some other disorders, rTMS was delivered several times a day, which reduced the time of the whole therapy. This approach was termed an accelerated rTMS. The purpose of this study is to investigate feasibility of accelerated rTMS in treatment of neuropathic pain. |
Detailed Description | Peripheral neuropathy is a frequent condition, commonly associated with pain, which is often drug resistant. Repetitive Transcranial Magnetic Stimulation (rTMS) is a noninvasive method of modulation of brain plasticity. In this method, series of magnetic stimuli are delivered to the cerebral cortex, where they turn to electric current and depolarize repetitively the targeted neurons. If the stimulation is repeated during subsequent days it is capable to modify the activity of targeted cortical area for weeks or even months and by this way to achieve therapeutic effect. rTMS is most commonly used to treat drug-resistant depression but a number of other psychiatric and neurologic conditions is increasingly being regarded as therapeutic indication for rTMS. In patients suffering from neuropathic pain rTMS is delivered with high frequency, over primary motor areas (PMA). Stimulation of PMA should result in modulation of thalamic activity, achieved by antidromic excitation of thalamocortical connections. rTMS is usually performed once a day and the whole therapy of neuropathic pain lasts one week. In a number of recent clinical trials including patients with depression and some other disorders, rTMS was delivered several times a day, which reduced the time of the whole therapy. This approach was termed an accelerated rTMS. The purpose of this study is to investigate feasibility of accelerated rTMS in treatment of neuropathic pain. |
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Overall Status | Not yet recruiting | ||||||||||||||||||||||||||
Start Date | 2022-06-05 | ||||||||||||||||||||||||||
Completion Date | 2024-09-30 | ||||||||||||||||||||||||||
Primary Completion Date | 2024-03-31 | ||||||||||||||||||||||||||
Phase | N/A | ||||||||||||||||||||||||||
Study Type | Interventional | ||||||||||||||||||||||||||
Primary Outcome |
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Secondary Outcome |
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Enrollment | 70 |
Condition | |
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Intervention |
Intervention Type: Device Intervention Name: Active repetitive transcranial magnetic stimulation Description: High frequency rTMS over the primary motor area to induce the long term potentiation of primary motor areas for the muscles of upper extremity. Arm Group Label: Active repetitive transcranial magnetic stimulation Intervention Type: Device Intervention Name: Sham repetitive transcranial magnetic stimulation Description: Sham stimulation to mimic the high frequency rTMS over the primary motor area. Arm Group Label: Sham repetitive transcranial magnetic stimulation |
Eligibility |
Criteria:
Inclusion Criteria: - Diagnosis of peripheral neuropathy - Neuropathic pain of constant severity since not less than a month and requiring use of analgesics more than once a week - Score of 30 millimeter or more on the 100 millimeter visual analog scale of pain intensity at inclusion Exclusion Criteria: - Severe depression - Personality disorders and other psychiatric conditions, which could disturb the participation in the study - Cognitive deficits, which could disturb the participation in the study - Epilepsy - Presence of magnetic material in the reach of magnetic field - Pregnancy - Likelihood to get pregnant - Intracranial electrodes Gender: All Minimum Age: 18 Years Maximum Age: N/A Healthy Volunteers: No |
Overall Official |
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Overall Contact | Contact information is only displayed when the study is recruiting subjects. | ||||||
Location |
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Location Countries |
Poland |
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Verification Date |
2022-04-01 |
Responsible Party |
Type: Sponsor-Investigator Investigator Affiliation: Jagiellonian University Investigator Full Name: Jakub Antczak Investigator Title: Principal Investigator |
Keywords | |
Has Expanded Access | No |
Condition Browse | |
Number Of Arms | 2 |
Arm Group |
Label: Active repetitive transcranial magnetic stimulation Type: Experimental Description: 10 hertz (Hz) rTMS will be administered over the primary motor area. Therapy will include 6 sessions (three sessions in two consecutive days). In every sessions 1500 magnetic pulses of 90% of the resting motor threshold intensity will be elicited. Label: Sham repetitive transcranial magnetic stimulation Type: Sham Comparator Description: Sham stimulation will mimic the active one except that the stimulating coil will be held perpendicularly to the scalp, which assures similar impression as the active stimulation but prevents that significant magnetic field will reach brain tissue. |
Patient Data | Yes |
Study Design Info |
Allocation: Randomized Intervention Model: Parallel Assignment Intervention Model Description: Parallel Assignment. Patients will be randomly assigned to active or to sham stimulation. Primary Purpose: Treatment Masking: Triple (Participant, Investigator, Outcomes Assessor) Masking Description: Triple (Participant, Investigator, Outcomes Assessor). Sham stimulation will be provided by holding the stimulating coil perpendicularly to the scalp, which assures similar impression as during active stimulation but prevents significant magnetic field to reach the brain tissue. |
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