UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057895
Receipt number R000066172
Scientific Title Application of a Spinal Ultrasound Navigation System for Neuraxial Anesthesia: A Randomized Controlled Trial
Date of disclosure of the study information 2025/06/01
Last modified on 2025/05/17 21:14:41

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Basic information

Public title

Application of a Spinal Ultrasound Navigation System for Neuraxial Anesthesia: A Randomized Controlled Trial

Acronym

Application of a Spinal Ultrasound Navigation System for Neuraxial Anesthesia: A Randomized Controlled Trial

Scientific Title

Application of a Spinal Ultrasound Navigation System for Neuraxial Anesthesia: A Randomized Controlled Trial

Scientific Title:Acronym

Application of a Spinal Ultrasound Navigation System for Neuraxial Anesthesia: A Randomized Controlled Trial

Region

Japan


Condition

Condition

Elective cesarean delivery

Classification by specialty

Obstetrics and Gynecology Anesthesiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study aims to evaluate whether referencing a spinal ultrasound navigation system improves the success rate of neuraxial puncture compared to the use of conventional spinal ultrasound alone.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

First pass success

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

spinal ultrasound with reference to the spinal ultrasound navigation system

Interventions/Control_2

conventional spinal ultrasound

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

18 years-old <=

Age-upper limit

50 years-old >=

Gender

Female

Key inclusion criteria

Patients undergoing elective cesarean delivery under neuraxial anesthesia

Key exclusion criteria

emergency surgery
history of spinal surgery
skin conditions that make ultrasound imaging difficult
thoracic epidural anesthesia
severe obesity (e.g., BMI>40) that require the sitting position
Cases in which the spinal ultrasound was performed by someone other than an obstetric anesthesia trainee (e.g., senior residents or fellows)

Target sample size

160


Research contact person

Name of lead principal investigator

1st name Shohei
Middle name
Last name Noguchi

Organization

Saitama Medical Center

Division name

Obstetric anesthesia

Zip code

3500844

Address

1981 Kamoda Kawagoe city Saitama

TEL

0492283400

Email

noguchi.shohei.521@1985.saitama-med.ac.jp


Public contact

Name of contact person

1st name Shohei
Middle name
Last name Noguchi

Organization

Saitama Medical Center

Division name

Obstetric anesthesia

Zip code

3500844

Address

1981, Kamoda, Kawagoe City, Saitama

TEL

0492283400

Homepage URL


Email

noguchi.shohei.521@1985.saitama-med.ac.jp


Sponsor or person

Institute

Saitama Medical University

Institute

Department

Personal name



Funding Source

Organization

N/A

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board of Saitama Medical University General Medical Center

Address

1981, Kamoda, Kawagoe City, Saitama

Tel

0492283902

Email

smcrinri@saitama-med.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2025 Year 06 Month 01 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2025 Year 05 Month 17 Day

Date of IRB


Anticipated trial start date

2025 Year 06 Month 01 Day

Last follow-up date

2026 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 05 Month 17 Day

Last modified on

2025 Year 05 Month 17 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066172