Mobile app to improve colonoscopy preparation quality
Official title: Design of a Mobile Application to Improve the Quality of Colonoscopy and Its Implementation in Colorectal Cancer Screening Program: a Randomized Multicenter Study (PrepColon APP Study)
Run by Hospital del Rio Hortega · NCT06314022 · Data updated 2026-11-12
A mobile app is being tested to guide people through colonoscopy prep and try to improve adherence to diet and laxative instructions before screening.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 50 Years to 74 Years |
| Sex | All |
| Enrollment | 470 (estimated) |
| Sponsor | Hospital del Rio Hortega Academic / other |
| Locations | 2 sites (Valladolid, Valladolid and 1 other locations) |
| Status | Recruiting |
| Started | May 2, 2024 |
| Main results expected | December 30, 2026 |
| Study ends | January 30, 2027 |
| Registry record updated | June 4, 2026 |
| Trial ID | NCT06314022 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults aged 50–69 in a CRC screening program with a compatible smartphone and consent to participate.
✕Probably not a fit
Patients without a smartphone or unable to use the app may not benefit, and those with contraindications to laxatives or specific medical conditions may be excluded.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This interventional study designs and tests a mobile application to help patients prepare for colonoscopy in a colorectal cancer screening program. The app delivers diet tips, reminders for laxatives, and customization based on comorbidities and medications, with notifications and 48-hour appointment confirmation. It targets adults 50–69 years old undergoing FIT-based screening and aims to improve prep quality, bowel cleansing consistency, and procedure readiness. Implementation uses a cross‑platform Flutter framework so the app works on Android and iOS devices. The study will assess feasibility, adherence, and potential impact on colonoscopy outcomes.
Why it matters
Potential benefit: If successful, the app could lead to better colon cleansing, higher detection of adenomas, and fewer rescheduled or incomplete procedures.
How similar studies have gone: Previous studies suggest that digital adherence tools can improve preparation quality, but results vary by population and implementation.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * -Subjects between 50-69 years old from the CRC screening program with FIT (\>100ng/ml). * Informed consent granted in writing Exclusion Criteria: * Refusal to give informed consent. * Those who do not have a smartphone with a minimum version of the operating system (Android 4.4 or iOS 14, which cover more than 99% of the terminals in use) * Symptomatic patients * Subjects at elevated risk of CRC due to family history or inherited polyposis diseases or inflammatory bowel disease
Where it's running
-
Hospital Universitario Rio Hortega
Valladolid, Valladolid, Spain Recruiting -
Hospital Universitario Rio Hortega
Valladolid, Valladolid, Spain Recruiting
Study contacts
- Principal investigator: Henar Nuñez Rodriguez, MDPhD — Hospital Universitario Rio Hortega
- Study coordinator: Henar Nuñez Rodriguez, MDPhD
- Email: henarnrod@yahoo.es
- Phone: 34 983 420400
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.