Evaluation of the Clinical Utility of Endoscopic Closure Using a Dual Action Tissue (DAT) Clip

May 17, 2023 updated by: AdventHealth

Prospective Evaluation of the Clinical Utility of Endoscopic Closure Using a Dual Action Tissue (DAT) Clip

This study is designed as a multicenter prospective data recording study to document the performance of the DAT clip as part of standard medical care of patients. No experimental interventions will be performed.

Study Overview

Detailed Description

Endoscopic clipping devices are instruments designed to achieve tissue approximation during gastrointestinal endoscopy. Although endoscopic clips were initially developed for the primary purposes of accomplishing hemostasis of focal gastrointestinal bleeding, the indications for endoscopic clipping have expanded to include closure of perforations and fistulas, securing positioning of catheters and stents as well as to provide a radio-opaque markers to direct endoscopic, radiological, and surgical therapy.

Traditionally, through-the-scope (TTS) clipping devices consist of 2 main components: metallic double pronged clips and delivery/deployment catheter-handle assembly. TTS clips are the most used devices for both hemostasis and defect closure given the familiarity and ease of use. However, larger defects or those in a difficult position within the GI tract can be difficult to close using conventional TTS clips alone, given the inherent restrictions in clip opening width and inability to approximate large gaps firmly and securely. Incomplete closure can have serious consequences, including delayed bleeding and need for additional interventions including surgery for treatment of acute perforations.

The Dual Action Tissue (DAT) clip is a novel, Federal Drug and Administration (FDA) approved commercially available 3-arm TTS clip designed for endoscopic closure of large defects. Compared to conventional TTS clips, the DAT clip has an additional center post or fixed column in the middle position. The two arms of the DAT clip operate independent of each other, with an overall maximum opening width angle of 60 degrees. Opening and closing of each arm is controlled by two color-coded handles, which facilitates distinguishment of the clip arms during operation. The arm on one side of the DAT clip is opened to clamp the edge of a defect. The clamped mucosa can then be pulled close to the other side of the defect. The second arm of the DAT is then opened to clamp the opposite edge. Once both edges of the defect are secured by the arms of the DAT clip, the clip can then be deployed by firmly pressing and releasing both handles simultaneously.

Experimental studies using the DAT clip have confirmed its safety and efficacy and shown it to be easy to operate, safe and effective for defect closure. Our initial experience in 6 cases (unpublished data) supports its safety and its utility as an additional endoscopic tool in our armamentarium for challenging tissue approximation. However, more data is needed to evaluate the performance and the role of the DAT clip. The purpose of this study is to prospectively evaluate our experience with the DAT clip as part of routine medical care.

Study Type

Observational

Enrollment (Anticipated)

250

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 Backup

Study Locations

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

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Adult patients scheduled to undergo endoscopic procedures at participating centers as medically indicated will be considered for the study.

Description

Inclusion Criteria:

  • Age 18 years or older.
  • Patients scheduled to undergo endoscopic procedures as part of their routine care in which endoscopic clip closure is clinically indicated:

Treatment of bleeding Treatment of perforation and/or fistulas Tissue approximation for mucosal gaps associated with endoscopic resection (e.g., endoscopic mucosal resection, endoscopic submucosal dissection) or third space endoscopy (e.g., peroral endoscopic myotomy in the gastrointestinal tract)

Exclusion Criteria:

  • Any contraindications to performing endoscopy.
  • Participants in another research protocol that could interfere or influence the outcomes measures of the present study.

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Complete closure rate.
Time Frame: 12 months
Cases in which complete tissue approximation is achieved with the use of the DAT clip- no substantial gaps are visible in the closure line.
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Procedural time.
Time Frame: 12 months
Measure of procedural time associated with the operation of the DAT clip for its intended purpose.
12 months
Adverse Events
Time Frame: 12 months
Measured based on the rate of adverse events with the procedure.
12 months
Rate of Achievement of intended targeted therapy.
Time Frame: 12 months
Defined as cases in which utilization of the DAT clip accomplished the intended treatment effect (e.g., hemostasis, perforation closure)
12 months

Collaborators and Investigators

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

Sponsor

Investigators

  • Principal Investigator: Dennis Yang, MD, AdventHealth

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

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)

August 31, 2022

Primary Completion (Anticipated)

August 1, 2025

Study Completion (Anticipated)

February 1, 2026

Study Registration Dates

First Submitted

May 2, 2023

First Submitted That Met QC Criteria

May 2, 2023

First Posted (Actual)

May 10, 2023

Study Record Updates

Last Update Posted (Actual)

May 18, 2023

Last Update Submitted That Met QC Criteria

May 17, 2023

Last Verified

May 1, 2023

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

Yes

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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