Different Same-day Colonoscopic Bowel Preparation Procedures on Patient Compliance, Tolerability, and Bowel Cleansing

February 25, 2025 updated by: Gülten Sucu Dağ, Eastern Mediterranean University

Investigation of the Effect of Different Same-day Colonoscopic Bowel Preparation Procedures on Patient Compliance, Tolerability, and Bowel Cleansing: a Randomized Controlled Trial

The aim of this study was to investigate the effect of different bowel preparation protocols applied on the same day on patients' compliance, tolerance and bowel cleansing before colonoscopy.

Hypotheses of the Study : Same-day administration of bowel preparation before colonoscopy; H1.1: There is a significant difference between the bowel preparation protocol with polyethylene glycol (Protocol I) and the protocol with sodium phosphate (Protocol II) in bowel preparation score scores H1.2: There is a significant difference between the compliance levels of the patients who underwent a bowel preparation protocol containing polyethylene glycol (Protocol I) and a protocol containing sodium phosphate (Protocol II) H1.3: There is a significant difference between the tolerance of the patients who underwent a bowel preparation protocol containing polyethylene glycol (Protocol I) and a protocol containing sodium phosphate (Protocol II)

In patients in Protocol I and II groups, data will be collected one day before the procedure with the Descriptive Characteristics Form and the procedure will be explained face to face. After the procedure, bowel preparation score during colonoscopy and compliance and tolerance to the bowel preparation protocol will be evaluated from the patients in both groups.

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Detailed Description

The aim of this study was to investigate the effect of different bowel preparation protocols applied on the same day on patients' compliance, tolerance and bowel cleansing before colonoscopy.

This study will be conducted as a single centre prospective randomised controlled trial in accordance with the principles of the Declaration of Helsinki. The study will be conducted in a private clinic in Famagusta region in patients undergoing colonoscopy.

Patients undergoing colonoscopy will be given written material about bowel preparation the day before the procedure and the protocol will be explained verbally and in writing. The bowel preparation protocol is described below.

Protocol I 06.30 Breakfast 09.00 hours: Phospho-Soda 45 ml 10.00: Phospho-Soda 45 ml At least 3 litres of liguid fluid intake until 14.00 14.30- 15.00: Colonoscopy Protocol II 06.30 Breakfast 09.00 :Polyethylene Glycol (PEG) will be diluted with 4 litres of water and one glass (200ml) will be drunk every 10 minutes until it is finished (It will be finished in about 4 hours) Colonoscopy after 2 hours Inclusion criteria

  • Over 18 years of age
  • Drinking at least 75 per cent of the solution
  • Have the ability to read and understand research instructions
  • Patients who agreed to participate in the study Sampling exclusion criteria
  • Patients with active lower intestinal bleeding Patients diagnosed with CHF, liver failure, end-stage acute renal failure

A total of 118 patients were planned to be included in the study with an effect size of d=0.50, α =0.05 margin of error, 85% power, and 59 patients in each group. Considering the possibility of missing data, the sample number was increased by 10% and it was decided to take 128 patients by taking 64 patients in the groups in total.

The patients will be assigned to the experimental and control groups according to the list to be created using the randomisation program at a ratio of 1.1(https://www.random.org/). Randomisation and assignment to groups will be done by an independent researcher who is not involved in the implementation phase of the research. Thus, selection bias will be prevented in the randomization process.

In patients in Protocol I and II groups, data will be collected one day before the procedure with the Descriptive Characteristics Form and the procedure will be explained face to face. After the procedure, the bowel preparation score during colonoscopy and compliance and tolerance to the bowel preparation protocol will be evaluated from the patients in both groups.

Study Type

Interventional

Enrollment (Estimated)

128

Phase

  • Not Applicable

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

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

Description

Inclusion Criteria:

  • Drinking at least 75 per cent of the solution
  • Have the ability to read and understand research instructions
  • Patients who agreed to participate in the study

Exclusion Criteria:

  • Patients with active lower intestinal bleeding
  • KKY
  • Liver failure,
  • Patients with end-stage acute renal failure

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

  • Primary Purpose: Health Services Research
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: Experimental: Intervention group
Intestinal preparation protocol with polyethylene glycol (Protocol I)
Other: polyethylene glycol (Protocol I)
Intestinal preparation protocol with polyethylene glycol (Protocol I)
Other: Control group
Intestinal preparation protocol with with sodium phosphate content (protocol II)
Other: polyethylene glycol (Protocol I)
Intestinal preparation protocol with polyethylene glycol (Protocol I)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Compliance and Tolerance to the Bowel Preparation Protocol
Time Frame: The patients were interviewed 30-60 dk minutes after the procedure was completed.
The Bowel Preparation Protocol Compliance and Tolerance Assessment Form will assess this primary outcome. This form assesses tolerance to the bowel preparation protocol; abdominal pain, nausea, vomiting, Abdominal distension -gas,thirst , headache, weakness and fatigue and intolerance to the solution. The rate of patients experiencing variables including Compliance and Tolerance to the Bowel Preparation Protocol will be calculated.
The patients were interviewed 30-60 dk minutes after the procedure was completed.

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Bowel cleansing quality level
Time Frame: BBPS will be assessed by the surgeon during colonoscopy.
The effect of the bowel preparation protocol on bowel readiness will be assessed using the Boston Bowel Readiness Classification. Boston Classification of Bowel Preparation (BBPS) scores bowel cleanliness between 0 and 3 points. According to BBPS, 3 segments of the colon (left, transverse, right) are scored according to the degree of cleanliness. According to BBPS, a score of 0 indicates inadequate cleanliness and a score of 9 indicates perfect cleanliness. As the cleanliness score progresses from zero to nine, it is assessed that bowel cleanliness is approaching perfection.
BBPS will be assessed by the surgeon during colonoscopy.

Collaborators and Investigators

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

Sponsor

Eastern Mediterranean University

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.

General Publications

Helpful Links

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 (Estimated)

March 1, 2025

Primary Completion (Estimated)

November 10, 2025

Study Completion (Estimated)

December 10, 2025

Study Registration Dates

First Submitted

November 29, 2024

First Submitted That Met QC Criteria

December 5, 2024

First Posted (Actual)

December 9, 2024

Study Record Updates

Last Update Posted (Actual)

March 25, 2025

Last Update Submitted That Met QC Criteria

February 25, 2025

Last Verified

February 1, 2025

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • GSD-3

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

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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