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| ID | Type | Description | Link |
|---|---|---|---|
| 2018-A03074-51 ID RCB | Other Identifier | ANSM France |
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This study will compare 2 types of Transcutaneous Electrical Nerve Stimulation (TENS) to treat chronic neuropathic pain. TENS involves the application of electrical stimulation to the skin via surface electrodes to stimulate nerve fibres for pain relief.
TENS is already recommended in clinical practice to treat chronic neuropathic pain. The objective of this study is to compare the efficacy of 2 different modes of TENS: conventional TENS (c-TENS) and mixed-frequency TENS (m-TENS). Randomization will determine the mode that the patient has to test during the first month.
Each patient will test successively each mode during 1 month at home (3 sessions 1 hour/day). Then, the patient will test the other mode during the second month. Up to 6 months, the patient will be free to use the mode of TENS he wants.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| cTENS-mTENS | Experimental | Patients randomized in this arm will test cTENS mode first, the subjects will be crossed over to the mTENS form |
|
| mTENS-cTENS | Experimental | Patients randomized in this arm will test mTENS mode first, the subjects will be cross over to the cTENS mode |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CEFAR Primo Pro (TENS device) | Device | During the first month: Patients will have to test 3 sessions of TENS 1 hour/day. Depending on their arm assigned by randomization, patients will begin with c-TENS or m-TENS. [Cross-over] During the second month: Patients will test the other type they do not have used yet according to the following scheme: 3 sessions of 1 hour, each day. In this way, all patients will test successively the 2 different modes. After the end of the second month and up to the end of their participation (6 months after randomization) patients will be free to use the mode of TENS they prefer. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in the visual analog scale for evaluation of radiculalgia (from 0 to 100) | Visual analogue scales are 10-cm lines anchored at the ends by words that define the bounds of various pain dimensions. The patient is asked to place a vertical mark on the scale to indicate the level of intensity of his or her pain being 0 equivalent to no pain and 100 to the worst possible pain | day 30, day 60 |
| Measure | Description | Time Frame |
|---|---|---|
| Patient preference rate | After having tested each mode during one month, the patients will be asked to give their preference (c-TENS or m-TENS) | day 60 |
| Patient Global Impression of Change (PGIC) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Vincent Ducoulombier, MD | GHICL | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| CH Béthune | Béthune | 62408 | France | |||
| CHU Lille |
| Type | Date | Date Unknown |
|---|---|---|
| Release | Apr 14, 2026 | |
| Reset | May 4, 2026 | |
| Release | Jun 9, 2026 | |
| Reset | Jul 2, 2026 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Apr 14, 2026 | May 4, 2026 | |||
| Jun 9, 2026 |
| ID | Term |
|---|---|
| D009437 | Neuralgia |
| D011843 | Radiculopathy |
| ID | Term |
|---|---|
| D010523 | Peripheral Nervous System Diseases |
| D009468 | Neuromuscular Diseases |
| D009422 | Nervous System Diseases |
| D010146 | Pain |
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Patient Global Impression of Change is a 7-point scale used by the patient to rate the severity of the patient's illness at the time of assessment being 1 equivalent to no change or worsening and 7 to very much improved, making a difference
| day 30, day 60 |
| Rate of patient compliance | Rate of TENS sessions completed by the patient compared to the number of sessions prescribed for each mode | day 30, day 60 |
| Rate of patients with adverse events | Rate of patients with adverse events definitely or possibly attributable to neurostimulation for each type | day 30, day 60, day 180 |
| Brief pain inventory (impact on daily life) (BPI) | The BPI allows patients to rate the severity of their pain and the degree to which their pain interferes with common dimensions of feeling and function. There are line drawings of the front and back of a human body on which patients mark the location of their pain. In addition, patients fill out 11 different questions about pain intensity (present as well as least, most, and average for the past 24 hours) and the effect of the pain on their ability to function during various activities of daily living (pain interference items) rated on 0-10 scales being equivalent to no interference and 10 to complete interference. | day 30, day 60 |
| Mean of post-effect delay | for each mode of TENS, patient estimation between end of a TENS session and return to initial intensity of the pain (calculated from patient journal completed every day during the 2 first months of the study | day 60 |
| Visual analog scale for evaluation of radiculalgia one month after | Visual analogue scales are 10-cm lines anchored at the ends by words that define the bounds of various pain dimensions. The patient is asked to place a vertical mark on the scale to indicate the level of intensity of his or her pain being 0 equivalent to no pain and 100 to the worst possible pain | day 30, day 60 |
| Visual analog scale for evaluation of radiculalgia six months after | Visual analogue scales are 10-cm lines anchored at the ends by words that define the bounds of various pain dimensions. The patient is asked to place a vertical mark on the scale to indicate the level of intensity of his or her pain being 0 equivalent to no pain and 100 to the worst possible pain | day 180 |
| Rate of therapeutic persistence according toTENS mode | day 180 |
| Lille |
| 59037 |
| France |
| GHICL | Lomme | 59462 | France |
| CH Roubaix | Roubaix | 59100 | France |
| Jul 2, 2026 |
| D009461 |
| Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |