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The Effects of Anodal tsDCS on Chronic Neuropathic Pain After SCI

25. april 2017 opdateret af: Hyung-ik Shin, Seoul National University Hospital

The Effects of Anodal Transcutaneous Spinal Direct Current Stimulation on Chronic Neuropathic Pain After Spinal Cord Injury: Pilot Study

The purpose of this study is to evaluate the analgesic effect of transcutaneous spinal direct current stimulation (tsDCS) applied on spinal cord in patients with spinal cord injury who have chronic neuropathic pain.

Studieoversigt

Status

Ukendt

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Twenty patients with spinal cord injury and bilateral neuropathic pain received single sessions of both sham and anodal tsDCS (2 mA) over tenth thoracic vertebra for 20 min (reference electrodes on the head vertex). Treatment order was randomly assigned. A evaluator rated the pain using the visual analogue scale for pain, Patient Global Assessment and Present Pain Intensity.

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

10

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

20 år til 90 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. cervical or upper thoracic complete motor spinal cord injury, at least 6 months after SCI, 20<=age<90
  2. neuropathic pain (LANSS score >= 12), stable chronic pain for at least the three preceding months but not over 5 years
  3. score higher than or equal to 4 cm (0 cm = 'no pain' and 10 cm = 'worst possible pain') on the visual ana- logue scale (VAS) for pain perception at the baseline/start of the treatment
  4. refractoriness to drugs for pain relief - such as tricyclic antidepressants, antiepileptic drugs, and/or narcot- ics (pain resistant to at least two of these drugs supplied in ade- quate dosages for 6 months)
  5. informed consent

Exclusion Criteria:

  1. patients with any clinically significant or unstable medical or progressive neurologic disorder
  2. contraindication for electrial stimulation such as pacemaker implant
  3. Women of childbearing age or pregnancy
  4. significant cognitive deficit
  5. Syringomyelia
  6. neuropsychiatric comorbidity
  7. depressive disorder (as indicated by a score of 10 greater on the Beck Depression Inventory)
  8. history of substance abuse
  9. skin defect under the electrodes
  10. progressive neurological disease or other secondary conditions that could impact neuropathic pain

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: tsDCS
In the tsDCS group, anodal tsDCS will be applied for 20 minutes.
Enhed: tsDCS

Both groups use the same DC-Stimulator Plus (NeuroConn GmbH, Ilmenaus, Germany).

In the tsDCS group, anode electrode is placed over tenth thoracic vertebra to target spinal cord with 2mA for 20 min, and the cathode (reference) electrode on the head vertex (in the Cz location according to the 10-20 EEG system)

In sham tsDCS group, anode electrode is placed over tenth thoracic vertebra to target spinal cord with 2mA for 30s, and the cathode (reference) electrode on the head vertex (in the Cz location according to the 10-20 EEG system). The current was discontinued after 30 s while the power indicator remained on.

Andre navne:
  • DC-Stimulator Plus (NeuroConn GmbH, Ilmenaus, Tyskland)
Placebo komparator: sham
In sham tsDCS group, the current of anodal tsDCS will be discontinued after 30 s while the power indicator remained on for 20 minutes.
Enhed: tsDCS

Both groups use the same DC-Stimulator Plus (NeuroConn GmbH, Ilmenaus, Germany).

In the tsDCS group, anode electrode is placed over tenth thoracic vertebra to target spinal cord with 2mA for 20 min, and the cathode (reference) electrode on the head vertex (in the Cz location according to the 10-20 EEG system)

In sham tsDCS group, anode electrode is placed over tenth thoracic vertebra to target spinal cord with 2mA for 30s, and the cathode (reference) electrode on the head vertex (in the Cz location according to the 10-20 EEG system). The current was discontinued after 30 s while the power indicator remained on.

Andre navne:
  • DC-Stimulator Plus (NeuroConn GmbH, Ilmenaus, Tyskland)

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Numeric rating scale (NRS) for neuropathic pain
Tidsramme: Baseline NRS (average NRS over the preceding 24h), Change from Baseline NRS at 0, 60 and 120 minutes after the start of the stimulation
On a scale of 0 to 10, with 0 being no pain at all and 10 being the worst pain imaginable
Baseline NRS (average NRS over the preceding 24h), Change from Baseline NRS at 0, 60 and 120 minutes after the start of the stimulation

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Patient Global Assessment (PGA)
Tidsramme: Baseline PGA (average PGA over the preceding 24h), Change from Baseline PGA at 0, 60 and 120 minutes after the start of the stimulation

One of the most widely used patient reported outcomes (PROs) & PGA reflects the global impact of the disease from the patient's perspective

  1. Markedly improved
  2. Moderately improved
  3. Mildly improved
  4. No change
  5. Mildly worse
  6. Moderately worse
  7. Markedly worse
Baseline PGA (average PGA over the preceding 24h), Change from Baseline PGA at 0, 60 and 120 minutes after the start of the stimulation
Present Pain Intensity (PPI)
Tidsramme: Baseline PPI (average PPI over the preceding 24h), Change from Baseline PPI at 0, 60 and 120 minutes after the start of the stimulation

Patient's subjective feeling of the intensity of pain right now

0: No pain

  1. Mild
  2. Discomforting
  3. Distressing
  4. Excruciating
  5. Horrible
Baseline PPI (average PPI over the preceding 24h), Change from Baseline PPI at 0, 60 and 120 minutes after the start of the stimulation

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Seoul National University Hospital

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. august 2016

Primær færdiggørelse (Forventet)

1. september 2017

Studieafslutning (Forventet)

1. oktober 2017

Datoer for studieregistrering

Først indsendt

28. juli 2016

Først indsendt, der opfyldte QC-kriterier

7. august 2016

Først opslået (Skøn)

11. august 2016

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

27. april 2017

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

25. april 2017

Sidst verificeret

1. april 2017

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 1604-007-752 SNUH

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

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Kliniske forsøg med Neuropatisk smerte

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