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AI matches experts in reading ultrasound images for nerve blocks

NCT ID NCT07171502

Knowledge-focused Sponsor: Shanghai Jiao Tong University Affiliated Sixth People's Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether an AI model could accurately identify key structures in ultrasound images used for nerve blocks. Experts with over 10 years of experience collected 1,000 images, which were then annotated by both the AI and human experts. A panel of 10 specialists evaluated the AI's accuracy, comparing it to manual annotations. The goal was to see if AI could assist doctors in performing nerve blocks more efficiently.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this AI model could help doctors perform nerve blocks more quickly and accurately.
What could go wrong
This is a completed image analysis study, not a patient treatment trial. The AI's performance in real procedures is not yet tested.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

1,000 people

The number who actually took part.

Started

Sep 2025

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Aged 18-70 years * BMI between 19-23 kg·m-² * ASA physical status classification I-II * Normal orientation and able to cooperate with physical examination. Exclusion Criteria: * Patient refusal * Infection, trauma, skin defect, deformity, or other abnormalities at the intended nerve block site * Pregnancy

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Ai (artificial intelligence) Ultrasound-guided nerve blocks

Contacts and locations

Locations

  • Shanghai Sixth People's Hospital Affiliated with Shanghai Jiao Tong University School of Medicine

    Shanghai, China

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