Evaluating a New Color Overlay Ultrasound Function for Identifying Nerves

Accuracy of Color Overlay Assisted Ultrasound Imaging for Brachial Plexus Identification A Prospective Validation Study - Accuracy of Color Overlay Assisted Ultrasound Validation Study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059592

Enrollment

Registered

2025-11-20

Start date

2025-11-20

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

Adult

Interventions

Ultrasound images of the neck were obtained for identification of the brachial plexus.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Inclusion Criteria Individuals aged 20 years or older at the time of consent. Individuals without any cervical (neck) disease or trauma. Individuals who have provided written informed consent to participate in the study.

Exclusion criteria

Exclusion criteria: Exclusion Criteria Individuals whose ability to provide informed consent cannot be confirmed. Individuals judged by the investigators to be otherwise unsuitable for participation in this study.

Design outcomes

Primary

Measure	Time frame
Sensitivity, specificity, and accuracy = (TP + TN) / total number of structures (= TPr + TNr)	—

Secondary

Measure	Time frame
TP (True Positive) TN (True Negative) FP (False Positive) FN (False Negative) PPV (Positive Predictive Value) NPV (Negative Predictive Value) Time to image acquisition Optimal image acquisition rate	—

Countries

Japan

Contacts

Public ContactYuji Kamimura

Nagoya City University Graduate School of Medical Sciences Department of Anesthesiology and Intensive Care Medicine

ez4pixy1118@gmail.com0528518281

Outcome results

None listed

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