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| Name | Class |
|---|---|
| Assiut University | OTHER |
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This study is designed to evaluate the effect of two concentric electrode transcranial direct current stimulation over the primary motor cortex versus insular cortical targets in post mastectomy neuropathic pain.
eighty patients within age group 18-65 years old with post mastectomy neuropathic pain that are resistant to medical treatment in the form of tramadol hydrochloride 100 mg twice daily, pregabalin 75 mg twice daily and Amitriptyline 25 mg once daily for at least two months or associated with significant adverse effect from medication will be involved in this study.
twenty patients will be randomly allocated into one of the study designed groups using serially numbered opaque closed envelopes. Each patient will be placed in the appropriate group after opening the corresponding sealed envelope. The patient will receive one of the following interventions either:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| group 1: active primary motor cortex stimulation | Active Comparator | active tDCS (2 mA) targeting the primary motor cortex of the contralateral side of the pain for 20 minute duration for five sessions in five consecutive days (one session /day) |
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| group 2 : sham primary motor cortex stimulation | Sham Comparator | sham tDCS over the primary motor cortex in the same stimulation parameters will be used but the device will be turned off without patient knowledge after 30 seconds. |
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| group 3 : active insula stimulation | Active Comparator | active tDCS (2 mA) targeting the insula of the contralateral side of the pain for 20 minute duration for five sessions in five consecutive days (one session /day) |
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| group 4 : sham insula stimulation | Sham Comparator | sham tDCS over the insula in the same stimulation parameters will be used but the device will be turned off without patient knowledge after 30 seconds. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Transcranial direct current stimulation | Device | tDCS will be delivered with current strength of 2 mA for 20 min . Current will be applied through two concentric electrodes target electrode; return electrode. First we will fill the electrode cage with an electroconductive gel, and then position the electrodes, with the target electrode over the FDI hotspot, and finally we fasten the electrodes with a tubular net-shaped elastic bandage in mesh tissue, making sure that it will not push the electrode forward or backward. This procedure will aim at reducing contact impedance and at creating a uniform adherence between the whole surface of the electrodes and the scalp, avoiding uneven distribution of the current (Fertonani, 2015). We will position the central electrode (anode) according to the study group over C3 or C4 , the stimulating electrode will be placed on the scalp at T7 or T8 for the insular cortex per the 10-20 (EEG) system. |
| Measure | Description | Time Frame |
|---|---|---|
| chronic postmastectomy pain relief | pain relief on the VAS after the 5th session | VAS monitoring after 5th session |
| chronic postmastectomy pain relief | pain relief on the VAS after 15 days | VAS monitoring after 15 days |
| chronic postmastectomy pain relief | pain relief on the VAS 1 month later | VAS monitoring one month later |
| Measure | Description | Time Frame |
|---|---|---|
| VDS, LANSS and depression symptoms by HAM-D | VDS, LANSS and depression symptoms by HAM-D after the 5th session | VDS, LANSS and depression symptoms by HAM-D after 5th session |
| VDS, LANSS and depression symptoms by HAM-D |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Khalid Mohamed Fares, Professor | South Egypt Cancer Institute | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| South Egypt Cancer Institute | Asyut | Egypt |
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| ID | Term |
|---|---|
| D065908 | Transcranial Direct Current Stimulation |
| ID | Term |
|---|---|
| D004599 | Electric Stimulation Therapy |
| D013812 | Therapeutics |
| D003295 | Convulsive Therapy |
| D013000 | Psychiatric Somatic Therapies |
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twenty patients will be randomly allocated into one of the study designed groups using serially numbered opaque closed envelopes. Each patient will be placed in the appropriate group after opening the corresponding sealed envelope. The patient will receive one of the following interventions either:
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serially numbered opaque closed envelopes. Each patient will be placed in the appropriate group after opening the corresponding sealed envelope
|
VDS, LANSS and depression symptoms by HAM-D after 15 days
| VDS, LANSS and depression symptoms by HAM-D after 15 days |
| VDS, LANSS and depression symptoms by HAM-D | VDS, LANSS and depression symptoms by HAM-D 1 month later | VDS, LANSS and depression symptoms by HAM-D after one month |
| D004191 | Behavioral Disciplines and Activities |
| D004597 | Electroshock |
| D011580 | Psychological Techniques |