NCT04483037

Brief Summary

The primary objective of this study is to compare the efficacy of administration routine bowel cleansing medication (Bowklean) for the Bowel Preparation at Different Times Prior Colonoscopy in the morning or in the afternoon.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
297

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Jan 2019

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

January 1, 2019

Completed
1.6 years until next milestone

First Submitted

Initial submission to the registry

July 20, 2020

Completed
3 days until next milestone

First Posted

Study publicly available on registry

July 23, 2020

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2020

Completed
Last Updated

July 23, 2021

Status Verified

July 1, 2021

Enrollment Period

2 years

First QC Date

July 20, 2020

Last Update Submit

July 19, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Aronchick Scale Bowel Cleaning Scale

    Aroochick Scale ranges from score 1 : excellent, 2: good, 3: fair, 4: poor 5: failed

    during colonoscopy

Secondary Outcomes (2)

  • Boston Bowel Preparation Scale (BBPS) Bowel Cleaning Scale

    During Colonoscopy

  • Colonscopy Bubble Scale

    During Colonoscopy

Study Arms (3)

split dose, day before, colonoscopy in the morning (Observation Group)

ACTIVE COMPARATOR

routine bowel preparation before colonoscopy in the morning

Drug: Bowklean

split dose, day before, colonoscopy in the afternoon (Random)

ACTIVE COMPARATOR

routine bowel preparation before colonoscopy in the afternoon

Drug: Bowklean

two dose in the same day, colonoscopy in the afternoon (Random)

EXPERIMENTAL

experimental group

Drug: Bowklean

Interventions

assigned intervention

split dose, day before, colonoscopy in the afternoon (Random)split dose, day before, colonoscopy in the morning (Observation Group)two dose in the same day, colonoscopy in the afternoon (Random)

Eligibility Criteria

Age20 Years - 99 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject is 20 and 99 years, inclusive.
  • Men or non-pregnant women who are scheduled for an elective colonoscopy.
  • Subjects should be willing, able to complete the entire procedure and to comply with study instructions.
  • Written informed consent obtained prior to study.

You may not qualify if:

  • Patients who are not suitable for colonoscopy
  • Acute surgical abdominal conditions (e.g. acute obstruction or perforation, etc.)
  • Active (acute/exacerbation of/severe/uncontrolled) Inflammatory Bowel Disease (IBD)
  • Colon disease (history of colonic cancer, toxic megacolon, toxic colitis, idiopathic pseudo- obstruction, hypomotility syndrome)
  • Gastrointestinal disorder (active ulcer, outlet obstruction, gastric retention, gastroparesis, ileus)
  • Uncontrolled angina and/or Myocardial Infarction (MI) within last 3 months before randomization, Congestive Heart Failure (CHF), arrhythmia, cardiomyopathy or uncontrolled hypertension
  • Renal insufficiency
  • Any prior colorectal surgery
  • in the past 3 months, excluding appendectomy, hemorrhoid surgery or prior endoscopic procedures
  • History of upper gastrointestinal surgery (gastric resection, gastric banding, gastric by-pass)
  • Severe chronic constipation
  • Hypersensitivity to any ingredient in the study medication

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hsu-Heng Yen

Changhua, 500, Taiwan

Location

Study Officials

  • HsuHeng Yen, MD

    Changhua Christian Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: The 1st group: split dose, day before, colonoscopy in the morning. The 2nd group: split dose, day before, colonoscopy in the afternoon. The 3rd group: same day, colonoscopy in the afternoon.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Head of Endoscopy Room

Study Record Dates

First Submitted

July 20, 2020

First Posted

July 23, 2020

Study Start

January 1, 2019

Primary Completion

December 31, 2020

Study Completion

December 31, 2020

Last Updated

July 23, 2021

Record last verified: 2021-07

Data Sharing

IPD Sharing
Will not share

Locations