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Study of the impact of one day versus three days of diet on bowel preparation quality before colonoscopy

One-day versus three-days low residue diet and bowel preparation quality before colonoscopy: a multicenter, randomized, controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN10567113
Enrollment
421
Registered
2021-12-08
Start date
2015-09-01
Completion date
Unknown
Last updated
2022-10-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bowel preparation quality before colonoscopy Digestive System

Interventions

The study informed consent was collected and demographics and medical history recorded on the data collection form. Eligible patients were randomized to one of the following two groups: 1-day structur

Sponsors

Società Italiana Endoscopia Digestiva
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged =18 years 2. Scheduled to have a colonoscopy with bowel preparation

Exclusion criteria

Exclusion criteria: 1. Aged <18 years 2. Have undergone a previous proctocolectomy 3. Undergoing a colonoscopy without bowel preparation or in whom the preparation was contraindicated 4. Dietary regimen to be adopted before preparation was contraindicated 5. Refused to provide informed consent 6. Unable to understand the instructions and explanations relating to the purpose and design of the study

Design outcomes

Primary

MeasureTime frame
The proportion of subjects with a satisfactory degree of bowel cleanliness with a Score 2 and 3 on the Boston scale in each segment on the day of colonoscopy

Secondary

MeasureTime frame
1. Patient satisfaction measured using a standardized questionnaire of satisfaction for colonoscopy preparation on the day of colonoscopy 2. Adherence to the prescribed diet. measured using patient interview on the day of colonoscopy

Countries

Italy

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026