Can a chat boost colon cancer screening in High-Risk younger adults?
NCT ID NCT07503847
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether helping people aged 40-49 with a family history of colon cancer make informed choices about screening leads to more colonoscopies. Participants either get standard care (direct referral for colonoscopy) or a shared decision-making session where they can choose between colonoscopy and a stool test. The goal is to see if this approach increases screening rates and patient satisfaction.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- shared decision-making intervention (educational materials and clinician discussion)
- What this could lead to
- If successful, this could show that involving patients in screening choices increases colonoscopy rates and satisfaction.
- What could go wrong
- This is a behavioral study, not testing a new drug or cure. Results may not apply to other populations or settings.
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 2,286 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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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40 to 49 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: * Age 40 to 49 years at the time of recruitment. * At least one immediate family member (biological parent, sibling, or child) has been pathologically diagnosed with colorectal cancer. * Able to read, understand, and provide prior consent. * Willing to be randomly assigned to any research group and complete all research procedures. Exclusion Criteria: * A personal history of colorectal cancer or inflammatory bowel disease (Crohn's disease or ulcerative colitis). * Presence of warning signs of colorectal cancer requiring diagnostic evaluation rather than screening (e.g., unexplained rectal bleeding, significant involuntary weight loss, persistent changes in bowel habits). * Presence of comorbidities that may contraindicate colonoscopy. * Having undergone colonoscopy within the past three years. * Inability to read, understand, and provide written informed consent.
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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
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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National Taiwan University Hospital
Taipei, 100, Taiwan
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