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Investigation on the Discrimination of Stimulus Propagation to the Ulnar Nerve During Palmar Stimulation of the Median Nerve

Investigation on the Discrimination of Stimulus Propagation to the Ulnar Nerve During Palmar Stimulation of the Median Nerve - Investigation on the Discrimination of Stimulus Propagation to the Ulnar Nerve During Palmar Stimulation of the Median Nerve

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000057645
Enrollment
22
Registered
2025-05-15
Start date
2025-05-15
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

Recurrent Branch of Median Nerve Palsy, Carpal Tunnel Syndrome

Interventions

In 10 healthy subjects, the median and ulnar nerves at the wrist and palm will be stimulated while the fingers are in a resting position with mild flexion, and thumb movements will be observed and rec

Sponsors

Shiga University of Medical Science
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Individuals suspected of having carpal tunnel syndrome and recurrent branch of median nerve palsy, as well as healthy individuals

Exclusion criteria

Exclusion criteria: Those who lack sufficient capacity to consent to research participation. Others whom the research director determines to be unsuitable

Design outcomes

Primary

MeasureTime frame
Attempting to distinguish between median nerve stimulation and ulnar nerve stimulation by thumb movement patterns during wrist and palmar stimulation

Secondary

MeasureTime frame
Comparing waveforms produced by median and ulnar nerve stimulation at the wrist and palm to attempt electrophysiological differentiation between recurrent branch of median nerve palsy cases and stimulus propagation to the ulnar nerve

Countries

Japan

Contacts

Public ContactIsamu Yamakawa

Shiga University of Medical Science Department of Neurology

isamu136@belle.shiga-med.ac.jp0775482160

Outcome results

None listed

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