protocolSection identificationModule nctId: NCT06314022, orgStudyIdInfo id: 22-PI113, briefTitle: A Mobile Application to Improve the Quality of Colonoscopy in Colorectal Cancer Screening Program (PrepColon APP), acronym: PREPCOLON, statusModule overallStatus: NOT_YET_RECRUITING, startDateStruct date: 2024-05-02, primaryCompletionDateStruct date: 2025-12-30, completionDateStruct date: 2025-12-30, studyFirstPostDateStruct date: 2024-03-15, lastUpdatePostDateStruct date: 2024-03-18, sponsorCollaboratorsModule leadSponsor name: Hospital del Río Hortega, class: OTHER, descriptionModule briefSummary: Colonoscopy is the gold standard for the diagnosis and resection of preneoplastic lesions, allowing the prevention of colon cancer. A colonoscopy is more efficient with proper preparation of the colon, as it allows for a higher rate of adenoma detection and cecal intubation. In routine practice, up to 30% of colonoscopies are poorly prepared and 11% of patients do not show up for their appointment. Adenomas not visualized in the initial colonoscopy due to poor preparation reached 68% and the rate of undetected cancers was 66.7%. A proper colon cleanse is conditioned by different factors; among them, failure to comply with the diet and take laxatives poses 5 times the risk of having a deficient colon preparation. The purpose of our study is the design and implementation of an app that facilitates the preparation of colonoscopy and evaluates its impact on compliance with diet and laxative intake., conditionsModule conditions: Colorectal Cancer, conditions: Premalignant Colon Lesions, designModule studyType: INTERVENTIONAL, phases: NA, designInfo allocation: RANDOMIZED, interventionModel: PARALLEL, interventionModelDescription: Each subject will be randomized into two groups according to the instructions given to perform the preparation of the colon prior to colonoscopy: group A: perform the preparation with the written instructions delivered in the consultation and group B: they will be given the instructions in writing and will also be indicated how to install the APP., primaryPurpose: SUPPORTIVE_CARE, maskingInfo masking: SINGLE, maskingDescription: Patients who agree to participate in the study are randomized by a 1:1 block computer program (an attempt will be made to balance the groups according to the type of laxative) into two groups: group A: control group, which receives the standard information given in writing, and group B: APP group, which receives the standard information together with the mobile application individually adapted to the scheduled colonoscopy appointment and the type of laxative.Patients scheduled for a screening colonoscopy will be contacted by telephone, those who agree to participate will be scheduled with the nurse, after giving their consent they are randomized. Group B will indicate how to download the APP and its management. The endoscopist performing the examination is blind for randomization and will assess colon cleansing according to the Boston Bowel Scale (Lai EJ. et al Gastroinest Endosc 2009)., whoMasked: INVESTIGATOR, enrollmentInfo count: 470, type: ESTIMATED, armsInterventionsModule interventions name: Mobile application for colonoscopy preparation instructions, outcomesModule primaryOutcomes measure: Compliance with the diet and intake of laxatives with the use of a mobile application, primaryOutcomes measure: Evaluate the quality of colon cleansing with mobile application as an experimental factor, primaryOutcomes measure: Assessment of the usability of the APP, primaryOutcomes measure: Compliance with the laxative intake with the use of the mobile application, secondaryOutcomes measure: Assessment of the difficulty of the preparation instructions, secondaryOutcomes measure: Evaluate colonoscopy quality indicators:, secondaryOutcomes measure: Evaluate attendance at the scheduled colonoscopy appointment, secondaryOutcomes measure: Evaluate colonoscopy quality indicators, eligibilityModule sex: ALL, minimumAge: 50 Years, maximumAge: 69 Years, stdAges: ADULT, stdAges: OLDER_ADULT, contactsLocationsModule locations facility: Hospital Universitario Rio Hortega, city: Valladolid, zip: 47012, country: Spain, geoPoint lat: 41.65518, lon: -4.72372, hasResults: False