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Perceptual modification using low-intensity transcranial focused ultrasound for neuropathic pain

Perceptual modification using low-intensity transcranial focused ultrasound for neuropathic pain - TUS-P-01

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs052230116
Enrollment
24
Registered
2023-10-23
Start date
2023-10-23
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Neuropathic pain Neuropathic pain

Interventions

Sponsors

Hosomi Koichi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients with neuropathic pain longer than 3 months after onset (2) Patients with continuous pain at upper extremity (3) Age >= 18 years (4) Patients with written consent for participation in this study

Exclusion criteria

Exclusion criteria: (1) Patients with dementia (MMSE<=23) (2) Patients with severe aphasia or cognitive dysfunction (3) Patients with severe mental illness (4) Patients with a history of epileptic seizures (5) Patients with implantable stimulators such as cardiac pacemaker (excluding implantable spinal cord stimulator) (6) Patients with metal (excluding titanium products) implants in the head (7) Patients with implantable medication devices or implantable ventricular assist devices (8) Pregnant patients (9) Patients unable to answer the questionnaires (10) Patients with complete motor paralysis of the upper extremity to be treated (11) Patients who enrolled in any other clinical trials within the last three months before obtaining consent (12) Others not applicable person determined by the investigators

Design outcomes

Primary

MeasureTime frame
The amount of change in somatosensory threshold (assessed by Quantitative Sensory Testing (QST)) before and after each intervention

Secondary

MeasureTime frame
(1) The amount of change in motor evoked potentials (MEPs) before and after each intervention (2) Change in pain intensity (NRS) before and after each intervention (3) The amount of change in the McGill Pain Questionnaire, Short Form Version 2 (SF-MPQ2) score before and after each intervention (4) The amount of change in the degree of numbness before and after each intervention (5) Patient General Impression Criteria (PGIC) after each intervention (6) Adverse events

Contacts

Public ContactMori Nobuhiko

The University of Osaka Hospital

n-mori@nsurg.med.osaka-u.ac.jp+81-6-6879-3652

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026