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OpenTrials
Completed

NCT Number: NCT01307813

Apollo Overstitch, a Treat and Resect Model

The Overstitch (Apollo Endosurgery, Austin, Texas) is an FDA cleared product which attaches to a standard double channel endoscope. The Overstitch can place sutures under endoscopic guidance, with the goal of reproducing standard surgical techniques. These would include hemostasis, tissue approximation, anastomosis formation, fixation of intraluminal devices, or repair/closure of mucosal or full thickness defects such as perforations or endoscopic mucosal resection (EMR) sites. Knot tying of the endoscopically placed sutures is provided by an endoscopic cinching device that passes through the channel of the endoscope.

This feasibility trial will evaluate the ability of the Apollo suturing device (Overstitch) to endoscopically place sutures into normal mucosa, and then "tie" the sutures with the cinching device. These devices have been utilized effectively in explant, live porcine, and human cadaver colon and stomach models. In this treat and resect model, sutures would be placed in a segment of colon or stomach that is being surgically removed via open or laparoscopic technique for the treatment of benign or malignant disease. The sutures would be placed in a segment of normal mucosa remote to the pathology being surgically treated. In addition, the sutures will be placed under direct observation via laparoscopic or open visualization. After resection of the segment of colon, it will be evaluated grossly for level of suture placement, evidence of perforation, and quality of suture approximation with the cinching device.

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Key information

Conditions

Colon Malignant Tumor Colon Benign Tumor

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University Hospitals Case Medical Center

Cleveland, Ohio, 44106, United States

About this study

During the colectomy procedure, the intended proximal and distal margins of resection will be determined, and the protocol will proceed only if it is fully determined that the tissue will be fully resectable. The overstitch device affixed to a standard double channel gastroscope will then be advanced transanally into the segment of planned resected colon, away from the area of disease so as to not interfere with oncologic principles or post-resection pathologic evaluation. Endoscopic sutures and knot tying cinching elements will be placed, with a limit of 15 minutes for the total procedure. The entire procedure will be closely monitored under laparoscopic or open surgical visualization. After suture placement, the surgical resection will continue as planned. The specimen will then be examined for depth of suture placement, evidence of perforation, and quality of the suture approximation with the knot tying element.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • The patient population in this study will be candidates of either sex, over 18' who have an established indication for a surgical procedure requiring resection of a portion of colon distal to the splenic flexure. This will include both benign and malignant diseases.

Exclusion criteria

  • Any underlying pathology in the determination of investigator that subject cannot undergo scoping
  • Sutures cannot be placed in segment of bowel that will be included in the surgical resection
  • Pregnant women will be excluded from participating in this protocol

Treatment and study plan

Overstitch Endoscopic Suturing System

Device

Assess the safety and effectiveness of the Apollo endoscopic suturing device (Overstitch) and cinching device for placement of sutures and surgical knots in a segment of colon under laparoscopic or open visualization of the operative area.

Patients will already require resection of segments of colon for treatment of benign or malignant disease and this will therefore be a treat and resect model

Other names: Endoscopic suturing and cinching device, for placement of sutures and surgical knots

Primary outcomes

  1. Successful Suture Approximation With Cinching Device

    Time frame: Approximately 1 hour post resection of the colon in surgery

    Assess the safety and effectiveness of the Apollo endoscopic suturing device (Overstitch) and cinching device for placement of sutures and surgical knots in a segment of colon under laparoscopic or open visualization of the operative area.

    The quality of cinch element effectiveness was graded on a four-point Likert scale (1 = Poor, 2 = Good, 3 = Very Good, 4 = Excellent).

  2. Successful Suture Approximation With Cinching Device

    Time frame: Approximately 1 hour post resection of the colon in surgery

    Assess the safety and effectiveness of the Apollo endoscopic suturing device (Overstitch) and cinching device for placement of sutures and surgical knots in a segment of colon under laparoscopic or open visualization of the operative area.

    When two tissue bites were taken within an individual stitch, the quality of mucosal approximation was graded on a four-point Likert scale (1 = Poor, 2 = Good, 3 = Very Good, 4 = Excellent).

Sponsors and collaborators

Lead sponsor

University Hospitals Cleveland Medical Center

Other

Collaborators

  • Apollo Endosurgery, Inc.

Registry information

Official study title

Evaluation of a Novel Endoscopic Suturing Device in a Treat and Resect Model

Acronym: Overstitch

Important dates

Study start
2011
Primary completion
2011
Study completion
2011
First posted
Mar 3, 2011
Registry last updated
Feb 24, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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