Optimising Colorectal Cancer Screening Participation

Not Applicable

Completed

• Conditions: Colorectal Neoplasms
• Interventions: Procedure: Invitation procedure

• Registration Number: NCT04292366
• Lead Sponsor: University of Aarhus

Brief Summary

The aim of this study is to demonstrate the effectiveness of three and four-staged invitation procedures compared to two-staged procedures by combining pre-notifications and reminders. The RCT will be nested into the Danish colorectal cancer screening programme in the Central Denmark Region including men and women aged 50-74 years. Participants will consecutively be randomized into four arms in a 1:1 ratio. Intervention arm 1 will receive a pre-notification approximately ten days prior to intervention, invitation and one reminder (three-staged intervention), Intervention arm 2 will receive invitation, one reminder after 45 days and a second reminder three months after invitation (three-staged invitation procedure), Intervention arm 3 will receive pre-notification, invitation, reminder after 45 days and reminder after three months (four-staged invitation procedure). Finally, the forth arm will be a control group receiving usual care which invitation and one reminder 45 days after invitation (two-staged invitation procedure). Both pre-notifications and reminders are sent using digital mail.

The main out-come will be participation within 6 months after invitation.

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Status Verified: 2020-02
• Study First Submitted: 2020-02-27
• Study First Submitted QC: 2020-02-27
• Study First Posted: 2020-03-03
• Study Start: 2020-10-02
• Primary Completion: 2021-05-10
• Study Completion: 2021-05-10
• Last Update Submitted: 2021-09-28
• Last Update Posted: 2021-09-29

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 60000

Inclusion Criteria

• Invited for colorectal cancer screening

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Exclusion Criteria

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Control group	Invitation procedure	invitation and one reminder after 45 days (usual care)
Intervention arm II	Invitation procedure	invitation, one reminder after 45 days and a second reminder three months after invitation (three-staged invitation procedure)
Intervention arm I	Invitation procedure	pre-notification approximately ten days prior to intervention, invitation and one reminder (three-staged intervention)
Intervention arm III	Invitation procedure	pre-notification, invitation, reminder after 45 days and reminder after three months (four-staged invitation procedure)

Primary Outcome Measures

Name	Time	Method
Number of residents participating in colorectal cancer screening	Within six months after invitaiton	Number of residents participating in colorectal cancer screening in each of the four arms

Trial Locations

Locations (1)

Randers Regional Hospital; 🇩🇰 Randers, Denmark