Wired Magnetically Assisted Capsule Endoscopy and Esophageal Varices

January 6, 2026 updated by: National Taiwan University Hospital

Difference in Aerosol-generating Amount Between Wired Magnetic-assisted Capsule Endoscopy System and Esophagogastroduodenoscopy Examination of Varices in Biliary Atresia Patients

The goal of this clinical trial is to compare the safeness and effectiveness of traditional esophagogastroduodenoscope (EGD) and wired magnetically assisted capsule endoscopy (MACE) in the diagnosis of esophageal varices in biliary atresia (BA) patients. The main questions it aims to answer are:

  • Subjects who do wired magnetically assisted capsule endoscopy do not need to open the mouths during the process, this study also want to know whether wired magnetically assisted capsule endoscopy can reduce the generation of droplets.
  • Diagnostic accuracy between traditional esophagogastroduodenoscope and wired magnetically assisted capsule endoscopy in biliary atresia patients with esophageal varices.

Participants will do either traditional esophagogastroduodenoscope or wired magnetically assisted capsule endoscopy.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
50

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.
  • Name: Jia-Feng Wu, PhD
  • Phone Number: 271718 +886 23123456
  • Email: wjf@ntu.edu.tw

Study Contact Backup

Study Locations

  • Taiwan
      • Taipei, Taiwan
        • National Taiwan University Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Biliary atresia patients > 6 years old
  • Vital signs are stable
  • Without acute gastrointestinal bleeding

Exclusion Criteria:

  • Patients with metal implants, metal stent, artificial joints, bone plates, and bone screw
  • Patients with electronic devices, such as pacemakers, cochlear implants, or other implanted electronic medical devices
  • Throat or esophageal obstruction leading to dysphagia patients
  • Consciousness disturbance patients unable to swallow
  • Patients with acute upper gastrointestinal bleeding
  • Patients with platelet lower than 40K or PT INR > 1.5

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: wired magnetic assisted capsule endoscopy
Device: wired magnetic assisted capsule endoscopy
once
Other: esophagogastroduodenoscopy
Device: esophagogastroduodenoscopy
once

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Aerosol-generating Amount
Time Frame: 1 day

Aerosol-generating amount were measured using the MET ONE airborne particle counter [DR-528 Handheld Particle Counter (Met One Instruments, Inc., Grants Pass, OR)].

The device was placed on a platform at the same horizontal level as the patient lying flat, to capture airborne particles (sizes: 0.3-10 μm).Background environmental values were measured prior to each procedure and subtracted to determine net aerosol generation. Results are expressed as the total number of particles generated.
1 day

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Particles Generated Per Minute
Time Frame: 1 day
The total number of particles of each size divided by examination time to calculate per-minute production; comparison between the two groups.
1 day
Number of Participants With Esophageal Varices
Time Frame: 1 day
We recorded the number of participants who had esophageal varices after completion of the examination.
1 day
Number of Participants With Gastric Varices
Time Frame: 1 day
We recorded the number of participants who had gastric varices after completion of the examination.
1 day
Questionnaire Assessments
Time Frame: 1 day
After the procedure, we assessed the patient's pain level using a Visual Analogue Scale (VAS) ranging from 0 to 10, where 0 indicates no pain and 10 indicates severe pain. We also evaluated the patient's willingness to undergo the same procedure again using a questionnaire scored from 0 to 5, where 0 indicates no willingness and 5 indicates strong willingness to repeat the procedure.
1 day
Examination Time
Time Frame: 1 day
Examination time is defined as the procedure duration, measured from insertion of the examination device into the participant's mouth to complete removal of the device.
1 day
Completion Rate
Time Frame: 1 day
Completion rate was defined as the proportion of participants in whom successful examination of each anatomical segment (esophagus, stomach, and duodenum) was achieved.Successful completion for each segment was defined as the device reaching and examining the target segment.
1 day

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
National Taiwan University Hospital

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Insight Medical Solutions

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 5, 2023

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
February 4, 2025

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
February 4, 2025

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 24, 2023

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 24, 2023

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 30, 2023

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
January 23, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 6, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
February 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 202210059DIPA

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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