CompletedNCT06901063Soana-ibpUpdated Feb 10, 2026

Research of Brachial Plexus Anatomy

An observational study in Brachial Plexus Injury and Ultrasound, sponsored by Huashan Hospital. Completed at 1 site in China. Open to participants aged 18 Years to 80 Years. Per ClinicalTrials.gov, last updated 2026-02-10.

Sponsored by Huashan Hospital · Observational

Study type: Observational
Model: Case-only
Time perspective: Retrospective
Enrollment: 200
Ages: 18 Years to 80 Years
Sex: All

Study summary

The research aims at analyzing the sonographic anatomy characteristics of the interscalene brachial plexus.

Conditions studied

Brachial Plexus Injury
Ultrasound

Keywords

Brachial plexus
Nerve block
Ultrasound

In context

Lead sponsor

Huashan Hospital is the lead sponsor of 239 studies on the registry; 102 are open to participants now.

Counted across the registry records on this site, refreshed daily.

Who can participate

Ages eligible: 18 Years to 80 Years
Sexes eligible: All
Accepts healthy volunteers: No
Sampling method: Probability sample

Study population

Retrospectively collect ultrasound video of interscalene brachial plexus from existed departmental database.

Inclusion criteria

ASA physical status class I or II
Scheduled for elective surgery

Exclusion criteria

Exclusion Criteria:

Skin lesion or infection of neck
Any known peripheral neuropathy
Brachial nerve plexus injury
Previous injury or operation on neck
Pregnancy or breast feeding
Allergic to ultrasound gel

Study design

Observational model: Case-only
Time perspective: Retrospective
Enrollment: 200 participants (actual)
Patient registry: No

Groups and cohorts

The study group
The recruited patients will be included in this group
Device: ultrasound

Interventions

Deviceultrasound
Using ultrasound probe to scan and record the bilateral interscalene brachial plexus

What researchers measure

Primary outcomes

The distribution of the number of visible bundles in C6 nerve root
The percentage of one, two and multiple nerve bundles which composing the C6 nerve root
Time frame: immediately after the procedure

Secondary outcomes

The distribution of the number of visible bundles in C5 nerve root
The percentage of one, two and multiple nerve bundles which composing the C5 nerve root
Time frame: immediately after the procedure
The distribution of the number of visible bundles in C7 nerve root
The percentage of one, two and multiple nerve bundles which composing the C7 nerve root
Time frame: immediately after the procedure

Study locations

1 site

Huashan Hospital Fudan University
Shanghai, Shanghai Municipality 200040, China

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

Updates

Tracking since Sep 25, 2026

No changes since tracking began. The registry record was last updated on Feb 10, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗

Registry details

Key details

Study ID: NCT06901063
Lead sponsor: Huashan Hospital
Responsible party: Xiaoyu Yang (MD, Huashan Hospital) — Principal investigator
First posted: Mar 28, 2025
Start date: Apr 1, 2025
Primary completion: Dec 30, 2025
Completion: Jan 20, 2026
Last update: Feb 10, 2026

Oversight

Data monitoring committee: Yes
FDA-regulated drug: No
FDA-regulated device: No

View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Feb 2026. You cannot join it, but the record below documents what was studied.

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Discussion

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