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the effects of transcranial direct current stimulation on pain intensity in patients with chronic peripheral neuropathic pain: a randomized, placebo-controlled, crossover trial

the effects of transcranial direct current stimulation on pain intensity in patients with chronic peripheral neuropathic pain: a randomized, placebo-controlled, crossover trial

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20141016001
Enrollment
Unknown
Registered
2014-10-16
Start date
2014-05-26
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

refractory chronic peripheral neuropathic pain transcranial direct current stimulation neuropathic pain

Interventions

Anode was placed at dominant M1 area and cathode was placed at opposite supraorbital area.Stimulation at current 2 mA&#44
20minutes&#44
5 consecutive days,electrodes were placed at the same area as active group. Stimulation at current 2 mA&#44
30 seconds and ramp down within 8 seconds. Electrodes were in place until 20 minutes&#44
5 consecutive days.
transcranial direct current stimulation,sham stimulation

Sponsors

routine to research unit
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1) age 18-65 years 2) duration of peripheral neuropathic pain at least 6 months 3) refractory pain (numeric rating scale 4 or more and the patient was treated with appropriate drugs at least 3 months) 4) pain was not attributable to other causes 5) tDCS naive

Exclusion criteria

Exclusion criteria: 1) poor controlled medical or psychological conditions 2) histoty of substance abuse 3) patients with metallic/electrical implanted devices 4) patients with neurological diseases 5) pregnant woman

Design outcomes

Primary

MeasureTime frame
comparing the effects of tDCS and sham stimulation on pain reduction before, after stimulation 15 minutes and 1,2,4 and 6 weeks after stimulation for NRS , baseline and numeric rating scale and neuropathic pain symptom inventory

Secondary

MeasureTime frame
comparing quality of life of tDCS and sham stimulation baseline and after 5 days of stimulation EuroQol,comparing side effects of tDCS and sham stimulation 15minutes after stimulation and 1,2,4,6 weeks after stimulation numeric rating scale

Countries

Thailand

Contacts

Public ContactPramote Euasobhon

Mahidol University

pramoteo@hotmail.com0839724667

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026