Digital nudge: can a quick lifestyle report boost health during cancer screening?
NCT ID NCT07135115
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study will enroll 16,000 people invited to colorectal cancer screening in Norway. Participants will fill out a diet and lifestyle questionnaire and receive personalized digital feedback on how their habits compare to health recommendations. Some groups get extra support like phone counseling or webinars. Researchers want to see if this feedback leads to real improvements in diet, exercise, weight, smoking, and alcohol use over two years.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- personalized digital lifestyle feedback and counselling
- What this could lead to
- If successful, this could show that simple digital feedback during cancer screening helps people adopt healthier habits, potentially reducing cancer risk.
- What could go wrong
- This is an early-stage behavioral study with no direct treatment. Lifestyle changes may be small or not sustained, and results may not apply to all populations.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 16,000 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2025
An estimate. Start dates often move.
- Expected to finish
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Dec 2041
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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55 to 56 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Invited to the first round of immunochemical faecal blood testing in the national colorectal cancer screening program via a digital platform. Exclusion Criteria: * Not invited to the national colorectal cancer screening program.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Norwegian Institute of Public Health
Oslo, 0379, Norway
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