NCT01400087

Brief Summary

The aim of this prospective randomized controlled trial is to assess the efficacy of cap-attached colonoscopy to improve cecal intubation in comparison with regular colonoscopy for trainees.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
500

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jun 2011

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

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

June 1, 2011

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

July 21, 2011

Completed
1 day until next milestone

First Posted

Study publicly available on registry

July 22, 2011

Completed
2.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2013

Completed
Last Updated

September 27, 2021

Status Verified

September 1, 2021

Enrollment Period

2.4 years

First QC Date

July 21, 2011

Last Update Submit

September 20, 2021

Conditions

Keywords

colonoscopyLower Gastrointestinal TractCecal intubationCap-attached colonoscopyTrainee

Outcome Measures

Primary Outcomes (1)

  • The success rate of cecal intubation

    24 hours

Secondary Outcomes (6)

  • The procedure time to achieve cecal intubation

    24 hours

  • Success rate in achieving terminal ileum intubation

    24 hours

  • The procedure time to achieve terminal ileum intubation

    24 hours

  • Complications related to the procedure

    24 hours

  • The dose of the intravenous drugs used

    24 hours

  • +1 more secondary outcomes

Study Arms (2)

Cap-attached Colonoscopy

ACTIVE COMPARATOR
Device: Cap-attached Colonoscopy Versus Regular Colonoscopy

Regular colonoscopy

PLACEBO COMPARATOR
Device: Cap-attached Colonoscopy Versus Regular Colonoscopy

Interventions

Trainees were divided into two group; Cap-attached Colonoscopy group or Regular Colonoscopy group. Trainees allocated to the former group undergo colonoscopy with cap for all cases, the latter without cap.

Cap-attached ColonoscopyRegular colonoscopy

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients who undergo colonoscopy examination

You may not qualify if:

  • Known to have colonic stricture or obstructing tumor from the results of other investigations such as CT scan or barium enema
  • Presence of acute surgical conditions such as severe colitis, megacolon, ischemic colitis and active gastrointestinal bleeding ・Patients who diagnosed as inflammatory bowel disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Digestive Disease Center, Showa University Northern Yokohama Hospital

Yokohama, Kanagawa, 224-8503, Japan

Location

Related Publications (3)

  • Kondo S, Yamaji Y, Watabe H, Yamada A, Sugimoto T, Ohta M, Ogura K, Okamoto M, Yoshida H, Kawabe T, Omata M. A randomized controlled trial evaluating the usefulness of a transparent hood attached to the tip of the colonoscope. Am J Gastroenterol. 2007 Jan;102(1):75-81. doi: 10.1111/j.1572-0241.2006.00897.x. Epub 2006 Nov 13.

    PMID: 17100978BACKGROUND
  • Lee YT, Lai LH, Hui AJ, Wong VW, Ching JY, Wong GL, Wu JC, Chan HL, Leung WK, Lau JY, Sung JJ, Chan FK. Efficacy of cap-assisted colonoscopy in comparison with regular colonoscopy: a randomized controlled trial. Am J Gastroenterol. 2009 Jan;104(1):41-6. doi: 10.1038/ajg.2008.56.

    PMID: 19098847BACKGROUND
  • Harada Y, Hirasawa D, Fujita N, Noda Y, Kobayashi G, Ishida K, Yonechi M, Ito K, Suzuki T, Sugawara T, Horaguchi J, Takasawa O, Obana T, Oohira T, Onochi K, Kanno Y, Kuroha M, Iwai W. Impact of a transparent hood on the performance of total colonoscopy: a randomized controlled trial. Gastrointest Endosc. 2009 Mar;69(3 Pt 2):637-44. doi: 10.1016/j.gie.2008.08.029.

    PMID: 19251004BACKGROUND

Study Officials

  • Shin-ei Kudo

    Digestive Disease Center, Showa University Northern Yokohama Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
DIAGNOSTIC
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Researcher

Study Record Dates

First Submitted

July 21, 2011

First Posted

July 22, 2011

Study Start

June 1, 2011

Primary Completion

November 1, 2013

Study Completion

November 1, 2013

Last Updated

September 27, 2021

Record last verified: 2021-09

Locations