Ultrasound Capsule Endoscopy for Esophagus Examination

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-09-26

Study Completion Date

2022-07-30

Brief Summary

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The aim of this pilot study is to assess the feasibility and safety of the clinical application of ultrasound capsule endoscopy in esophageal examination compared with conventional endoscopic ultrasound examination.

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Detailed Description

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Wireless capsule endoscopy has opened a new era by enabling remote diagnostic assessment of the gastrointestinal tract in a painless procedure. However, most commercially available devices only utilise optical imaging to examine the GI wall surface. Using this sensing modality, pathology within the GI wall cannot be detected. Micro-ultrasound (mUS) using high-frequency (\>20 MHz) ultrasound can provide a means of transmural or cross-sectional image of the GI tract. Depth of imaging is approximately 10 mm with a resolution of between 40-120 μm that is sufficient to differentiate between subsurface histologic layers of the various regions of the GI tract. Ultrasound capsule endoscopy (USCE) uses a capsule equipped with mUS transducers that are capable of imaging below the GI wall surface, offering thereby a complementary sensing technique to optical imaging capsule endoscopy. In this work, a USCE device integrated with a 40 MHz ultrasonic transducer was developed to capture a full 360˚ image of the lumen. Previous animal studies of two anaesthetised Landrace pigs have demonstrated the effectiveness of the device. The reconstructed images demonstrate clear layer differentiation of the lumen wall. The tissue thicknesses measured from the B-scan images show good agreement with ex vivo images from the literature. The aim of this pilot study is to assess the feasibility and safety of the clinical application of ultrasound capsule endoscopy in esophageal examination compared with conventional endoscopic ultrasound examination.

Conditions

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Esophageal Diseases

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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ultrasound capsule endoscopy examination

Healthy volunteers or patients with suspected esophageal disease will be enrolled to take ultrasound capsule endoscopy examination followed by conventional endoscopic ultrasound examination within 2 weeks.

Group Type OTHER

ultrasound capsule endoscopy

Intervention Type OTHER

Healthy volunteers or patients with suspected esophageal disease will be enrolled to take ultrasound capsule endoscopy examination followed by conventional endoscopic ultrasound examination within 2 weeks.

Interventions

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ultrasound capsule endoscopy

Healthy volunteers or patients with suspected esophageal disease will be enrolled to take ultrasound capsule endoscopy examination followed by conventional endoscopic ultrasound examination within 2 weeks.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Participants aged 18 years or older.
2. Both inpatients and outpatients.
3. Healthy volunteers or patients with suspected esophageal disease
4. Able to provide informed consent.

Exclusion Criteria

1. known or suspected complex history of gastrointestinal obstruction, stenosis or fistula.
2. dysphagia.
3. known or suspected possibility of active bleeding of digestive tract.
4. Pregnancy or suspected pregnancy..
5. Patients who have participated in or are participating in other clinical trials within three months.
6. Life-threatening conditions.
7. other circumstances that doctors consider inappropriate for the study.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes