NCT01955122

Brief Summary

To compare the adenoma miss rate with the EndoRings™ vs. the adenoma miss rate with Standard view colonoscopy. To compare the polyp miss rate with the EndoRings™ vs. the polyp miss rate with Standard view colonoscopy.In addition, time measurements including time to cecum, time for withdrawal and overall procedure time will be analyzed and reported for each group.

Trial Health

90
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
126

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jul 2013

Geographic Reach
3 countries

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 2013

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

September 23, 2013

Completed
14 days until next milestone

First Posted

Study publicly available on registry

October 7, 2013

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2014

Completed
2.7 years until next milestone

Results Posted

Study results publicly available

March 6, 2017

Completed
Last Updated

March 6, 2017

Status Verified

January 1, 2017

Enrollment Period

1 year

First QC Date

September 23, 2013

Results QC Date

January 20, 2016

Last Update Submit

January 15, 2017

Conditions

Keywords

polyp/adenoma miss ratecolonoscopy add-on deviceenhanced screening

Outcome Measures

Primary Outcomes (1)

  • Adenoma and Polyp Miss Rate

    Group A- we measured the Adenoma\&Polyp miss rates in the first procedure with Standard (based on what we discovered on the second procedure with the EndoRings). Group B- we measured the Adenoma\&Polyp miss rates in the first procedure with EndoRings (based on what we discovered on the second procedure with the Standard). Adenoma/Polyp Miss Rate means: total number of adenomas or polyps detected during the second procedure per Group divided by the total number of adenomas/polyps detected overall per Group\]\*100

    30min for Standard colonoscopy and 30min for EndoRings colonoscopy- 1 hour in total.

Secondary Outcomes (6)

  • Total Number of Therapeutic Interventions Performed

    Interventions during procedure

  • Procedure Time A Stopwatch Will be Used for Stopping the Timing of the Procedure for Any Polypectomy Performed and Then Restarting Once the Polypectomy is Completed, Meaning That Purely Procedure Time is Measured

    During the procedure

  • Sedation

    During the procedure

  • Scope Centering Ability

    During the procedure

  • Colon Area Screened

    During the procedure

  • +1 more secondary outcomes

Study Arms (2)

Group A

OTHER

Tandem Colonoscopy- Each patient will undergo 2 colonoscopy procedures: a Standard view colonoscopy followed immediately by an EndoRings™ colonoscopy.

Device: Tandem Colonoscopy

Group B

OTHER

Tandem Colonoscopy- Each patient will undergo 2 colonoscopy procedures: an EndoRings™ colonoscopy followed immediately by a Standard view colonoscopy.

Device: Tandem Colonoscopy

Interventions

Each patient will undergo a double procedure: standard colonoscopy using the EndoRings™ add-on device and Standard colonoscopy (without using the EndoRings™ add-on device) in a randomized order.

Also known as: Colon screening
Group AGroup B

Eligibility Criteria

Age40 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject between the ages of 40 and 75
  • The patient is undergoing colonoscopy for screening, for surveillance in follow-up of previous polypectomy or for diagnostic workup;
  • Written informed consent must be available before enrollment in the trial

You may not qualify if:

  • Patients with a history of colonic resection;
  • Patients with known (or newly diagnosed) inflammatory bowel disease;
  • Patients with a personal history of polyposis syndrome;
  • Patients with suspected chronic stricture potentially precluding complete colonoscopy;
  • Patients with diverticulitis or toxic megacolon;
  • Patients with a history of radiation therapy to abdomen or pelvis;
  • Patients with a hemorrhagic diathesis
  • Patients with acute lower GI bleeding
  • Pregnant women and women with childbearing potential without adequate contraception
  • Patients who are currently enrolled in another clinical investigation in which the intervention might compromise the safety of the patient's participation in this study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Indiana University

Indianapolis, Indiana, 46202, United States

Location

Elisha Medical Center

Haifa, Please Select, 34601, Israel

Location

University Medical Center Utrecht

Utrecht, Netherlands

Location

Related Publications (1)

  • Dik VK, Gralnek IM, Segol O, Suissa A, Belderbos TD, Moons LM, Segev M, Domanov S, Rex DK, Siersema PD. Multicenter, randomized, tandem evaluation of EndoRings colonoscopy--results of the CLEVER study. Endoscopy. 2015 Dec;47(12):1151-8. doi: 10.1055/s-0034-1392421. Epub 2015 Jul 28.

MeSH Terms

Conditions

Colonic NeoplasmsPolyps

Condition Hierarchy (Ancestors)

Colorectal NeoplasmsIntestinal NeoplasmsGastrointestinal NeoplasmsDigestive System NeoplasmsNeoplasms by SiteNeoplasmsDigestive System DiseasesGastrointestinal DiseasesColonic DiseasesIntestinal DiseasesPathological Conditions, AnatomicalPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Prof. Peter Siersema
Organization
UMC Utrecht

Study Officials

  • Meytal Segev, DMD

    EndoAid Ltd.

    STUDY DIRECTOR
  • Ian Gralnek, Prof.

    Rambam Health Care Campus

    PRINCIPAL INVESTIGATOR
  • Ori Segol, Dr.

    Carmel Medical Center

    PRINCIPAL INVESTIGATOR
  • Peter Siersema, Prof.

    UMC Utrecht

    PRINCIPAL INVESTIGATOR
  • Douglas K. Rex, Dr.

    Indiana University

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
GT60
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 23, 2013

First Posted

October 7, 2013

Study Start

July 1, 2013

Primary Completion

July 1, 2014

Study Completion

July 1, 2014

Last Updated

March 6, 2017

Results First Posted

March 6, 2017

Record last verified: 2017-01

Data Sharing

IPD Sharing
Will not share

Locations